mozilla
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pjs
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105137 - Eliminate nsTokens, nsParserNode usage for xml/xbl/xul/rdf documents. r=heikki, sr=jst

This commit is contained in:
harishd%netscape.com 2002-01-09 01:37:50 +00:00
Родитель 9fc8a911cb
Коммит fd33e7c446
85 изменённых файлов: 5893 добавлений и 7052 удалений
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1
build/mac/build_scripts/MozillaBuildList.pm
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@ -759,6 +759,7 @@ sub BuildClientDist()
#HTMLPARSER
InstallFromManifest(":mozilla:htmlparser:public:MANIFEST", "$distdirectory:htmlparser:");
InstallFromManifest(":mozilla:htmlparser:public:MANIFEST_IDL", "$distdirectory:idl:");
#EXPAT
InstallFromManifest(":mozilla:expat:xmlparse:MANIFEST", "$distdirectory:expat:");

1
content/base/src/nsPlainTextSerializer.h
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@ -94,7 +94,6 @@ public:
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError) { return NS_OK; }
NS_IMETHOD AddComment(const nsIParserNode& aNode) { return NS_OK; }
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode) { return NS_OK; }
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0) { return NS_OK; }

20
content/html/document/src/nsHTMLContentSink.cpp
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@ -232,12 +232,15 @@ public:
NS_IMETHOD WillInterrupt(void);
NS_IMETHOD WillResume(void);
NS_IMETHOD SetParser(nsIParser* aParser);
NS_IMETHOD FlushPendingNotifications();
NS_IMETHOD SetDocumentCharset(nsAWritableString& aCharset);
// nsIHTMLContentSink
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD FlushPendingNotifications();
NS_IMETHOD SetDocumentCharset(nsAWritableString& aCharset);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0);
@ -246,9 +249,6 @@ public:
NS_IMETHOD WillProcessAToken(void);
NS_IMETHOD DidProcessAToken(void);
NS_IMETHOD NotifyTagObservers(nsIParserNode* aNode);
// nsIHTMLContentSink
NS_IMETHOD BeginContext(PRInt32 aID);
NS_IMETHOD EndContext(PRInt32 aID);
NS_IMETHOD SetTitle(const nsString& aValue);
@ -5231,14 +5231,6 @@ HTMLContentSink::ProcessSTYLETag(const nsIParserNode& aNode)
return rv;
}
NS_IMETHODIMP
HTMLContentSink::NotifyError(const nsParserError* aError)
{
// Errors in HTML? Who would have thought!
// Why are you telling us, parser. Deal with it yourself.
return NS_OK;
}
NS_IMETHODIMP
HTMLContentSink::FlushPendingNotifications()
{

7
content/html/document/src/nsHTMLFragmentContentSink.cpp
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@ -87,7 +87,6 @@ public:
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0);
@ -663,12 +662,6 @@ nsHTMLFragmentContentSink::AddLeaf(const nsIParserNode& aNode)
return result;
}
NS_IMETHODIMP
nsHTMLFragmentContentSink::NotifyError(const nsParserError* aError)
{
return NS_OK;
}
NS_IMETHODIMP
nsHTMLFragmentContentSink::AddComment(const nsIParserNode& aNode)
{

1
content/shared/public/nsXBLAtomList.h
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@ -96,6 +96,7 @@ XBL_ATOM(content, "content")
XBL_ATOM(constructor, "constructor")
XBL_ATOM(destructor, "destructor")
XBL_ATOM(inheritstyle, "inheritstyle")
XBL_ATOM(button, "button")

1
content/xbl/src/nsXBLAtomList.h
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@ -96,6 +96,7 @@ XBL_ATOM(content, "content")
XBL_ATOM(constructor, "constructor")
XBL_ATOM(destructor, "destructor")
XBL_ATOM(inheritstyle, "inheritstyle")
XBL_ATOM(button, "button")

1093
content/xbl/src/nsXBLContentSink.cpp
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63
content/xbl/src/nsXBLContentSink.h
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@ -88,33 +88,52 @@ public:
nsIWebShell* aContainer);
// nsIContentSink overrides
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddCDATASection(const nsIParserNode& aNode);
NS_IMETHOD HandleStartElement(const PRUnichar *aName,
const PRUnichar **aAtts,
const PRUint32 aAttsCount,
const PRUint32 aIndex,
const PRUint32 aLineNumber);
NS_IMETHOD HandleEndElement(const PRUnichar *aName);
NS_IMETHOD HandleCDataSection(const PRUnichar *aData,
const PRUint32 aLength);
protected:
// nsXMLContentSink overrides
PRBool OnOpenContainer(const PRUnichar **aAtts,
PRUint32 aAttsCount,
PRInt32 aNameSpaceID,
nsIAtom* aTagName);
nsresult CreateElement(const PRUnichar** aAtts,
PRUint32 aAttsCount,
PRInt32 aNameSpaceID,
nsINodeInfo* aNodeInfo,
nsIContent** aResult);
nsresult AddAttributes(const PRUnichar** aAtts,
nsIContent* aContent,
PRBool aIsHTML);
nsresult AddAttributesToXULPrototype(const PRUnichar **aAtts,
PRUint32 aAttsCount,
nsXULPrototypeElement* aElement);
// Our own helpers for constructing XBL prototype objects.
void ConstructBinding();
void ConstructHandler(const PRUnichar **aAtts);
void ConstructResource(const PRUnichar **aAtts, nsIAtom* aResourceType);
void ConstructImplementation(const PRUnichar **aAtts);
void ConstructProperty(const PRUnichar **aAtts);
void ConstructMethod(const PRUnichar **aAtts);
void ConstructParameter(const PRUnichar **aAtts);
void ConstructField(const PRUnichar **aAtts);
// nsXMLContentSink overrides
PRBool OnOpenContainer(const nsIParserNode& aNode, PRInt32 aNameSpaceID, nsIAtom* aTagName);
nsresult FlushText(PRBool aCreateTextNode=PR_TRUE,
PRBool* aDidFlush=nsnull);
nsresult CreateElement(const nsIParserNode& aNode, PRInt32 aNameSpaceID,
nsINodeInfo* aNodeInfo, nsIContent** aResult);
nsresult AddAttributes(const nsIParserNode& aNode,
nsIContent* aContent,
PRBool aIsHTML);
// Our own helpers for constructing XBL prototype objects.
void ConstructBinding();
void ConstructHandler(const nsIParserNode& aNode);
void ConstructResource(const nsIParserNode& aNode, nsIAtom* aResourceType);
void ConstructImplementation(const nsIParserNode& aNode);
void ConstructProperty(const nsIParserNode& aNode);
void ConstructMethod(const nsIParserNode& aNode);
void ConstructParameter(const nsIParserNode& aNode);
void ConstructField(const nsIParserNode& aNode);
nsresult AddAttributesToXULPrototype(const nsIParserNode& aNode, nsXULPrototypeElement* aElement);
protected:
XBLPrimaryState mState;
XBLSecondaryState mSecondaryState;

2
content/xbl/src/nsXBLProtoImpl.h
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@ -90,7 +90,7 @@ NS_NewXBLProtoImpl(nsIXBLPrototypeBinding* aBinding,
nsXBLProtoImpl* impl = new nsXBLProtoImpl();
if (!impl)
return NS_ERROR_OUT_OF_MEMORY;
if (aClassName)
if (aClassName && !aClassName->IsEmpty())
impl->mClassName.AssignWithConversion(*aClassName);
else
aBinding->GetBindingURI(impl->mClassName);

46
content/xml/document/public/nsIXMLContentSink.h
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@ -78,52 +78,6 @@ public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IXMLCONTENT_SINK_IID)
/**
* This method is called by the parser when it encounters
* the XML declaration for a document.
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddXMLDecl(const nsIParserNode& aNode)=0;
/**
* This method is called by the parser when it encounters
* character data - either regular CDATA or a marked CDATA
* section.
*
* XXX Could be removed in favor of nsIContentSink::AddLeaf
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddCharacterData(const nsIParserNode& aNode)=0;
/**
* This method is called by the parser when it encounters
* an unparsed entity (i.e. NDATA)
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddUnparsedEntity(const nsIParserNode& aNode)=0;
/**
* This method is called by the parser when it encounters
* a notation.
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddNotation(const nsIParserNode& aNode)=0;
/**
* This method is called by the parser when it encounters
* an entity reference. Note that the expectation is that
* the content sink itself will expand the entity reference
* in the content model.
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddEntityReference(const nsIParserNode& aNode)=0;
};
extern nsresult NS_NewXMLContentSink(nsIXMLContentSink** aInstancePtrResult,

1576
content/xml/document/src/nsXMLContentSink.cpp
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112
content/xml/document/src/nsXMLContentSink.h
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@ -57,6 +57,7 @@ class nsICSSStyleSheet;
#include "nsIScriptLoader.h"
#include "nsIScriptLoaderObserver.h"
#include "nsSupportsArray.h"
#include "nsIExpatSink.h"
class nsIDocument;
class nsIURI;
@ -83,7 +84,8 @@ class nsXMLContentSink : public nsIXMLContentSink,
public nsIObserver,
public nsSupportsWeakReference,
public nsIScriptLoaderObserver,
public nsICSSLoaderObserver
public nsICSSLoaderObserver,
public nsIExpatSink
{
public:
nsXMLContentSink();
@ -97,30 +99,16 @@ public:
NS_DECL_ISUPPORTS
NS_DECL_NSISCRIPTLOADEROBSERVER
NS_DECL_NSIEXPATSINK
// nsIContentSink
NS_IMETHOD WillBuildModel(void);
NS_IMETHOD DidBuildModel(PRInt32 aQualityLevel);
NS_IMETHOD WillInterrupt(void);
NS_IMETHOD WillResume(void);
NS_IMETHOD SetParser(nsIParser* aParser);
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
NS_IMETHOD AddCDATASection(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0);
NS_IMETHOD FlushPendingNotifications() { return NS_OK; }
NS_IMETHOD SetDocumentCharset(nsAWritableString& aCharset);
NS_IMETHOD NotifyTagObservers(nsIParserNode* aNode) { return NS_OK; }
// nsIXMLContentSink
NS_IMETHOD AddXMLDecl(const nsIParserNode& aNode);
NS_IMETHOD AddCharacterData(const nsIParserNode& aNode);
NS_IMETHOD AddUnparsedEntity(const nsIParserNode& aNode);
NS_IMETHOD AddNotation(const nsIParserNode& aNode);
NS_IMETHOD AddEntityReference(const nsIParserNode& aNode);
// nsICSSLoaderObserver
NS_IMETHOD StyleSheetLoaded(nsICSSStyleSheet*aSheet, PRBool aNotify);
@ -133,15 +121,28 @@ public:
protected:
void StartLayout();
nsresult PushNameSpacesFrom(const PRUnichar** aAttributes);
nsresult AddAttributes(const PRUnichar** aNode, nsIContent* aContent,PRBool aIsHTML);
nsresult AddText(const PRUnichar* aString, PRInt32 aLength);
nsresult ProcessStartSCRIPTTag(PRUint32 aLineNo);
nsresult ProcessSTYLETag();
nsresult ProcessEndSCRIPTTag();
virtual PRBool OnOpenContainer(const PRUnichar **aAtts,
PRUint32 aAttsCount,
PRInt32 aNameSpaceID,
nsIAtom* aTagName) { return PR_TRUE; }
virtual nsresult CreateElement(const PRUnichar** aAtts,
PRUint32 aAttsCount,
PRInt32 aNameSpaceID,
nsINodeInfo* aNodeInfo,
nsIContent** aResult);
virtual nsresult FlushText(PRBool aCreateTextNode=PR_TRUE,
PRBool* aDidFlush=nsnull);
virtual nsresult AddAttributes(const nsIParserNode& aNode,
nsIContent* aContent,
PRBool aIsHTML);
nsresult AddContentAsLeaf(nsIContent *aContent);
virtual nsresult CreateElement(const nsIParserNode& aNode, PRInt32 aNameSpaceID,
nsINodeInfo* aNodeInfo, nsIContent** aResult);
nsresult PushNameSpacesFrom(const nsIParserNode& aNode);
static void SplitXMLName(nsAReadableString& aString, nsIAtom **aPrefix,
nsIAtom **aTagName);
PRInt32 GetNameSpaceId(nsIAtom* aPrefix);
@ -152,9 +153,6 @@ protected:
PRInt32 PushContent(nsIContent *aContent);
nsIContent* PopContent();
nsresult ProcessEndSCRIPTTag(const nsIParserNode& aNode);
nsresult ProcessStartSCRIPTTag(const nsIParserNode& aNode);
nsresult ProcessSTYLETag(const nsIParserNode& aNode);
nsresult ProcessBASETag();
nsresult ProcessMETATag();
@ -173,55 +171,49 @@ protected:
nsresult LoadXSLStyleSheet(nsIURI* aUrl);
nsresult SetupTransformMediator();
nsresult AddText(const nsAReadableString& aString);
static void
GetElementFactory(PRInt32 aNameSpaceID, nsIElementFactory** aResult);
void ScrollToRef();
virtual PRBool OnOpenContainer(const nsIParserNode& aNode, PRInt32 aNameSpaceID, nsIAtom* aTagName) { return PR_TRUE; };
static nsINameSpaceManager* gNameSpaceManager;
static PRUint32 gRefCnt;
nsIDocument* mDocument;
nsIURI* mDocumentURL;
nsIURI* mDocumentBaseURL; // can be set via HTTP headers
nsIWebShell* mWebShell;
nsIParser* mParser;
nsIDocument* mDocument;
nsIURI* mDocumentURL;
nsIURI* mDocumentBaseURL; // can be set via HTTP headers
nsIWebShell* mWebShell;
nsIParser* mParser;
nsIContent* mRootElement;
nsIContent* mDocElement;
nsAutoVoidArray* mNameSpaceStack;
PRUnichar* mText;
nsICSSLoader* mCSSLoader;
nsIContent* mRootElement;
nsIContent* mDocElement;
nsSupportsArray mScriptElements;
XMLContentSinkState mState;
nsCOMPtr<nsISupportsArray> mContentStack;
nsAutoVoidArray* mNameSpaceStack;
PRUnichar* mText;
PRInt32 mTextLength;
PRInt32 mTextSize;
PRPackedBool mConstrainSize;
PRPackedBool mInTitle;
PRPackedBool mNeedToBlockParser;
PRUint32 mScriptLineNo;
nsSupportsArray mScriptElements;
nsString mStyleText;
nsString mPreferredStyle;
PRInt32 mStyleSheetCount;
nsICSSLoader* mCSSLoader;
nsCOMPtr<nsINodeInfoManager> mNodeInfoManager;
nsCOMPtr<nsITransformMediator> mXSLTransformMediator;
nsString mPreferredStyle;
nsString mRef; // ScrollTo #ref
nsString mTitleText;
nsCOMPtr<nsIHTMLContent> mStyleElement;
nsCOMPtr<nsIHTMLContent> mBaseElement;
nsCOMPtr<nsIHTMLContent> mMetaElement;
nsCOMPtr<nsIHTMLContent> mLinkElement;
PRInt32 mStyleSheetCount;
PRInt32 mTextLength;
PRInt32 mTextSize;
PRUint32 mScriptLineNo;
PRPackedBool mConstrainSize;
PRPackedBool mInTitle;
PRPackedBool mNeedToBlockParser;
nsCOMPtr<nsISupportsArray> mContentStack;
nsCOMPtr<nsINodeInfoManager> mNodeInfoManager;
nsCOMPtr<nsITransformMediator> mXSLTransformMediator;
nsCOMPtr<nsIHTMLContent> mStyleElement;
nsCOMPtr<nsIHTMLContent> mBaseElement;
nsCOMPtr<nsIHTMLContent> mMetaElement;
nsCOMPtr<nsIHTMLContent> mLinkElement;
};
#endif // nsXMLContentSink_h__

52
content/xul/document/src/makefile.win
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@ -24,32 +24,32 @@ DEPTH=..\..\..\..
LIBRARY_NAME=contentxuldocument_s
MODULE=content_xul
REQUIRES = xpcom \
string \
exthandler \
mimetype \
widget \
dom \
rdf \
js \
xpconnect \
caps \
locale \
view \
necko \
uriloader \
htmlparser \
lwbrk \
chrome \
docshell \
pref \
layout \
gfx \
layout_xul \
content \
webshell \
webBrowser_core \
unicharutil \
$(NULL)
string \
exthandler \
mimetype \
widget \
dom \
rdf \
js \
xpconnect \
caps \
locale \
view \
necko \
uriloader \
htmlparser \
lwbrk \
chrome \
docshell \
pref \
layout \
gfx \
layout_xul \
content \
webshell \
webBrowser_core \
unicharutil \
$(NULL)
DEFINES=-D_IMPL_NS_HTML -DWIN32_LEAN_AND_MEAN

1753
content/xul/document/src/nsXULContentSink.cpp
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1
content/xul/document/src/nsXULDocument.cpp
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@ -189,7 +189,6 @@ static NS_DEFINE_CID(kRDFInMemoryDataSourceCID, NS_RDFINMEMORYDATASOURCE_CID);
static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
static NS_DEFINE_CID(kRDFXMLDataSourceCID, NS_RDFXMLDATASOURCE_CID);
static NS_DEFINE_CID(kTextNodeCID, NS_TEXTNODE_CID);
static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
static NS_DEFINE_CID(kXMLElementFactoryCID, NS_XML_ELEMENT_FACTORY_CID);
static NS_DEFINE_CID(kXULContentSinkCID, NS_XULCONTENTSINK_CID);
static NS_DEFINE_CID(kXULPrototypeCacheCID, NS_XULPROTOTYPECACHE_CID);

63
expat/xmlparse/xmlparse.c
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@ -285,6 +285,7 @@ typedef struct {
const char *m_bufferPtr;
/* past last character to be parsed */
char *m_bufferEnd;
/* allocated end of buffer */
const char *m_bufferLim;
long m_parseEndByteIndex;
@ -345,6 +346,7 @@ typedef struct {
int m_attsSize;
int m_nSpecifiedAtts;
int m_idAttIndex;
int m_blocked;
ATTRIBUTE *m_atts;
POSITION m_position;
STRING_POOL m_tempPool;
@ -357,6 +359,7 @@ typedef struct {
enum XML_ParamEntityParsing m_paramEntityParsing;
XML_Parser m_parentParser;
#endif
const XML_Char* m_mismatch;
} Parser;
#define userData (((Parser *)parser)->m_userData)
@ -426,12 +429,14 @@ typedef struct {
#define attsSize (((Parser *)parser)->m_attsSize)
#define nSpecifiedAtts (((Parser *)parser)->m_nSpecifiedAtts)
#define idAttIndex (((Parser *)parser)->m_idAttIndex)
#define blocked (((Parser *)parser)->m_blocked)
#define tempPool (((Parser *)parser)->m_tempPool)
#define temp2Pool (((Parser *)parser)->m_temp2Pool)
#define groupConnector (((Parser *)parser)->m_groupConnector)
#define groupSize (((Parser *)parser)->m_groupSize)
#define hadExternalDoctype (((Parser *)parser)->m_hadExternalDoctype)
#define namespaceSeparator (((Parser *)parser)->m_namespaceSeparator)
#define mismatch (((Parser *)parser)->m_mismatch)
#ifdef XML_DTD
#define parentParser (((Parser *)parser)->m_parentParser)
#define paramEntityParsing (((Parser *)parser)->m_paramEntityParsing)
@ -526,6 +531,7 @@ XML_Parser XML_ParserCreate(const XML_Char *encodingName)
dataBufEnd = dataBuf + INIT_DATA_BUF_SIZE;
XmlInitEncoding(&initEncoding, &encoding, 0);
internalEncoding = XmlGetInternalEncoding();
blocked = 0;
return parser;
}
@ -737,6 +743,22 @@ int XML_GetIdAttributeIndex(XML_Parser parser)
return idAttIndex;
}
void XML_BlockParser(XML_Parser parser)
{
blocked = 1;
}
void XML_UnblockParser(XML_Parser parser)
{
blocked = 0;
}
const
XML_Char* XML_GetMismatchedTag(XML_Parser parser)
{
return mismatch;
}
void XML_SetElementHandler(XML_Parser parser,
XML_StartElementHandler start,
XML_EndElementHandler end)
@ -866,6 +888,11 @@ int XML_SetParamEntityParsing(XML_Parser parser,
int XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
{
if (blocked) {
// First unblock parser
return 0;
}
if (len == 0) {
if (!isFinal)
return 1;
@ -893,7 +920,11 @@ int XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
errorCode = processor(parser, s, parseEndPtr = s + len, &end);
if (errorCode != XML_ERROR_NONE) {
eventEndPtr = eventPtr;
processor = errorProcessor;
if (blocked) {
parseEndPtr = eventEndPtr;
parseEndByteIndex -= len - (eventPtr - s); // This is how much we've red thus far
XmlUpdatePosition(encoding, positionPtr, eventEndPtr, &position);
}
return 0;
}
XmlUpdatePosition(encoding, positionPtr, end, &position);
@ -1372,12 +1403,15 @@ doContent(XML_Parser parser,
if (nextPtr)
tag->rawName = tag->buf;
}
*toPtr = XML_T('\0');
*toPtr = XML_T('\0');
result = storeAtts(parser, enc, s, &(tag->name), &(tag->bindings));
if (result)
return result;
startElementHandler(handlerArg, tag->name.str, (const XML_Char **)atts);
poolClear(&tempPool);
if (blocked) {
return XML_ERROR_PARSER_BLOCKED;
}
}
else {
tag->name.str = 0;
@ -1408,12 +1442,19 @@ doContent(XML_Parser parser,
if (result)
return result;
poolFinish(&tempPool);
if (startElementHandler)
if (startElementHandler) {
startElementHandler(handlerArg, name.str, (const XML_Char **)atts);
if (blocked) {
return XML_ERROR_PARSER_BLOCKED;
}
}
if (endElementHandler) {
if (startElementHandler)
*eventPP = *eventEndPP;
endElementHandler(handlerArg, name.str);
if (blocked) {
return XML_ERROR_PARSER_BLOCKED;
}
}
poolClear(&tempPool);
while (bindings) {
@ -1446,6 +1487,7 @@ doContent(XML_Parser parser,
if (len != tag->rawNameLength
|| memcmp(tag->rawName, rawName, len) != 0) {
*eventPP = rawName;
mismatch = tag->name.str;
return XML_ERROR_TAG_MISMATCH;
}
--tagLevel;
@ -1457,6 +1499,9 @@ doContent(XML_Parser parser,
;
}
endElementHandler(handlerArg, tag->name.str);
if (blocked) {
return XML_ERROR_PARSER_BLOCKED;
}
}
else if (defaultHandler)
reportDefault(parser, enc, s, next);
@ -2684,8 +2729,13 @@ doProlog(XML_Parser parser,
case XML_ROLE_NONE:
switch (tok) {
case XML_TOK_PI:
if (!reportProcessingInstruction(parser, enc, s, next))
return XML_ERROR_NO_MEMORY;
if (!reportProcessingInstruction(parser, enc, s, next)) {
if (blocked) {
eventPtr = next;
return XML_ERROR_PARSER_BLOCKED;
}
return XML_ERROR_NO_MEMORY;
}
break;
case XML_TOK_COMMENT:
if (!reportComment(parser, enc, s, next))
@ -3103,6 +3153,9 @@ reportProcessingInstruction(XML_Parser parser, const ENCODING *enc, const char *
normalizeLines(data);
processingInstructionHandler(handlerArg, target, data);
poolClear(&tempPool);
if (blocked) {
return 0;
}
return 1;
}

13
expat/xmlparse/xmlparse.h
Просмотреть файл

@ -72,11 +72,11 @@ XML_ParserCreateNS(const XML_Char *encoding, XML_Char namespaceSeparator);
/* atts is array of name/value pairs, terminated by 0;
names and values are 0 terminated. */
typedef void (*XML_StartElementHandler)(void *userData,
typedef int (*XML_StartElementHandler)(void *userData,
const XML_Char *name,
const XML_Char **atts);
typedef void (*XML_EndElementHandler)(void *userData,
typedef int (*XML_EndElementHandler)(void *userData,
const XML_Char *name);
/* s is not 0 terminated. */
@ -85,7 +85,7 @@ typedef void (*XML_CharacterDataHandler)(void *userData,
int len);
/* target and data are 0 terminated */
typedef void (*XML_ProcessingInstructionHandler)(void *userData,
typedef int (*XML_ProcessingInstructionHandler)(void *userData,
const XML_Char *target,
const XML_Char *data);
@ -401,6 +401,10 @@ attribute/value pair counts as 2; thus this correspondds to an index
into the atts array passed to the XML_StartElementHandler. */
int XMLPARSEAPI XML_GetIdAttributeIndex(XML_Parser parser);
void XMLPARSEAPI XML_BlockParser(XML_Parser parser);
void XMLPARSEAPI XML_UnblockParser(XML_Parser parser);
const XML_Char* XMLPARSEAPI XML_GetMismatchedTag(XML_Parser parser);
/* Parses some input. Returns 0 if a fatal error is detected.
The last call to XML_Parse must have isFinal true;
len may be zero for this call (or any other). */
@ -483,7 +487,8 @@ enum XML_Error {
XML_ERROR_INCORRECT_ENCODING,
XML_ERROR_UNCLOSED_CDATA_SECTION,
XML_ERROR_EXTERNAL_ENTITY_HANDLING,
XML_ERROR_NOT_STANDALONE
XML_ERROR_NOT_STANDALONE,
XML_ERROR_PARSER_BLOCKED
};
/* If XML_Parse or XML_ParseBuffer have returned 0, then XML_GetErrorCode

40
htmlparser/macbuild/htmlparser.xml
Просмотреть файл

@ -990,13 +990,6 @@
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsDebugRobot.cpp</PATH>
@ -1090,7 +1083,7 @@
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
@ -1201,11 +1194,6 @@
<PATH>nsHTMLTags.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsDebugRobot.cpp</PATH>
@ -1248,7 +1236,7 @@
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
@ -2238,13 +2226,6 @@
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsDebugRobot.cpp</PATH>
@ -2331,7 +2312,7 @@
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
@ -2437,11 +2418,6 @@
<PATH>nsHTMLTags.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsDebugRobot.cpp</PATH>
@ -2479,7 +2455,7 @@
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
@ -2625,7 +2601,7 @@
<FILEREF>
<TARGETNAME>htmlparserDebug.shlb</TARGETNAME>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
@ -2664,12 +2640,6 @@
<PATH>nsHTMLEntities.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<TARGETNAME>htmlparserDebug.shlb</TARGETNAME>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<TARGETNAME>htmlparserDebug.shlb</TARGETNAME>
<PATHTYPE>Name</PATHTYPE>

0
htmlparser/public/MANIFEST_IDL Normal file
Просмотреть файл

5
htmlparser/public/Makefile.in
Просмотреть файл

@ -28,10 +28,13 @@ include $(DEPTH)/config/autoconf.mk
MODULE = htmlparser
XPIDLSRCS = \
nsIExpatSink.idl \
$(NULL)
EXPORTS = \
nsIContentSink.h \
nsITokenizer.h \
nsIExpatTokenizer.h \
nsIHTMLContentSink.h \
nsIHTMLFragmentContentSink.h\
nsIParserNode.h \

49
htmlparser/public/makefile.win
Просмотреть файл

@ -1,49 +0,0 @@
#!nmake
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
DEPTH=..\..
MODULE = htmlparser
EXPORTS = \
nsITokenizer.h \
nsIExpatTokenizer.h \
nsIContentSink.h \
nsIHTMLContentSink.h \
nsIHTMLFragmentContentSink.h\
nsIParserNode.h \
nsIParser.h \
nsIParserFilter.h \
nsIDTD.h \
nsIElementObserver.h \
nsIParserService.h \
nsHTMLTagList.h \
nsHTMLTags.h \
nsHTMLTokens.h \
nsParserError.h \
nsParserCIID.h \
nsToken.h \
!ifdef MOZ_DEBUG
nsILoggingSink.h \
!endif
$(NULL)
include <$(DEPTH)\config\rules.mak>

77
htmlparser/public/nsIContentSink.h
Просмотреть файл

@ -49,10 +49,8 @@
* content-sink model building process. There is another one that you may care
* about more, which is the IHTMLContentSink interface. (See that file for details).
*/
#include "nsIParserNode.h"
#include "nsISupports.h"
#include "nsParserError.h"
#include "nsString.h"
class nsIParser;
@ -113,79 +111,6 @@ public:
*/
NS_IMETHOD SetParser(nsIParser* aParser)=0;
/**
* This method is used to open a generic container in the sink.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD OpenContainer(const nsIParserNode& aNode) = 0;
/**
* This method gets called by the parser when a close
* container tag has been consumed and needs to be closed.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD CloseContainer(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddLeaf(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddComment(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode) = 0;
/**
* This method is called by the parser when it encounters
* a document type declaration.
*
* XXX Should the parser also part the internal subset?
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode)=0;
/**
* This gets called by the parser if it hits an unrecoverable
* error (in XML, if the document is not well-formed or valid).
*
* @param aErrorResult the error code
*/
NS_IMETHOD NotifyError(const nsParserError* aError)=0;
/**
* This gets called by the parser to notify observers of
* the tag
*
* @param aErrorResult the error code
*/
NS_IMETHOD NotifyTagObservers(nsIParserNode* aNode)=0;
/**
* Flush all pending notifications so that the content model
* is in sync with the state of the sink.

38
htmlparser/public/nsIDTD.h
Просмотреть файл

@ -89,6 +89,7 @@ public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDTD_IID)
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const = 0;
/**
@ -113,13 +114,6 @@ public:
const nsString& aBuffer,
PRInt32 aVersion) = 0;
/**
* Called by the parser just before the parsing process begins
* @update gess5/18/98
* @param aFilename--string that contains name of file being parsed
* (if applicable)
* @return
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink=0) = 0;
@ -157,13 +151,11 @@ public:
/**
*
* @update gess 12/20/99
* @update gess 12/20/99
* @param ptr-ref to (out) tokenizer
* @return nsresult
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer) = 0;
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void) = 0;
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer) = 0;
/**
* If the parse process gets interrupted midway, this method is
@ -171,7 +163,7 @@ public:
* @update gess5/18/98
* @return ignored
*/
NS_IMETHOD WillResumeParse(void) = 0;
NS_IMETHOD WillResumeParse(nsIContentSink* aSink = 0) = 0;
/**
* If the parse process gets interrupted, this method is called by
@ -179,7 +171,7 @@ public:
* @update gess5/18/98
* @return ignored
*/
NS_IMETHOD WillInterruptParse(void) = 0;
NS_IMETHOD WillInterruptParse(nsIContentSink* aSink = 0) = 0;
/**
* This method is called to determine whether or not a tag of one
@ -234,8 +226,28 @@ public:
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const = 0;
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const = 0;
};
#define NS_DECL_NSIDTD \
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;\
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);\
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext, const nsString& aBuffer, PRInt32 aVersion);\
NS_IMETHOD WillBuildModel( const CParserContext& aParserContext,nsIContentSink* aSink=0);\
NS_IMETHOD DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink=0);\
NS_IMETHOD BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver=0,nsIContentSink* aSink=0);\
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);\
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);\
NS_IMETHOD WillResumeParse(nsIContentSink* aSink = 0);\
NS_IMETHOD WillInterruptParse(nsIContentSink* aSink = 0);\
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;\
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;\
NS_IMETHOD_(nsresult) Terminate(nsIParser* aParser=nsnull);\
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag, PRInt32* aIntTag) const ;\
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const ;\
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity, PRInt32* aUnicode) const ;\
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,PRInt32 aParentID) const;\
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,PRInt32 aParentID) const;
#endif /* nsIDTD_h___ */

67
htmlparser/public/nsIExpatSink.idl Normal file
Просмотреть файл

@ -0,0 +1,67 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
[scriptable, uuid(1DEEA160-C661-11d5-84CC-0010A4E0C706)]
interface nsIExpatSink : nsISupports
{
void HandleStartElement([const] in wstring aName,
[array, size_is (aAttsCount)] in wstring aAtts,
[const] in unsigned long aAttsCount,
[const] in unsigned long aIndex,
[const] in unsigned long aLineNumber);
void HandleEndElement([const] in wstring aName);
void HandleComment([const] in wstring aName);
void HandleCDataSection([const] in wstring aData,
[const] in unsigned long aLength);
void HandleDoctypeDecl([const] in wstring aDoctype);
void HandleCharacterData([const] in wstring aData,
[const] in unsigned long aLength);
void HandleProcessingInstruction([const] in wstring aTarget,
[const] in wstring aData);
void ReportError([const] in wstring aErrorText,
[const] in wstring aSourceText);
};

65
htmlparser/public/nsIHTMLContentSink.h
Просмотреть файл

@ -271,6 +271,71 @@ public:
*/
NS_IMETHOD DidProcessAToken(void)=0;
/**
* This method is used to open a generic container in the sink.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD OpenContainer(const nsIParserNode& aNode) = 0;
/**
* This method gets called by the parser when a close
* container tag has been consumed and needs to be closed.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD CloseContainer(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddLeaf(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddComment(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode) = 0;
/**
* This method is called by the parser when it encounters
* a document type declaration.
*
* XXX Should the parser also part the internal subset?
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode)=0;
/**
* This gets called by the parser to notify observers of
* the tag
*
* @param aErrorResult the error code
*/
NS_IMETHOD NotifyTagObservers(nsIParserNode* aNode)=0;
};
#ifdef NS_DEBUG

38
htmlparser/public/nsITokenizer.h
Просмотреть файл

@ -70,26 +70,38 @@ public:
Notes:
***************************************************************/
class nsITokenizer : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITOKENIZER_IID)
virtual nsresult WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator)=0;
virtual nsresult ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens)=0;
virtual nsresult DidTokenize(PRBool aIsFinalChunk)=0;
virtual nsTokenAllocator* GetTokenAllocator(void)=0;
NS_IMETHOD WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator)=0;
NS_IMETHOD ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens)=0;
NS_IMETHOD DidTokenize(PRBool aIsFinalChunk)=0;
virtual CToken* PushTokenFront(CToken* aToken)=0;
virtual CToken* PushToken(CToken* aToken)=0;
virtual CToken* PopToken(void)=0;
virtual CToken* PeekToken(void)=0;
virtual PRInt32 GetCount(void)=0;
virtual CToken* GetTokenAt(PRInt32 anIndex)=0;
virtual void PrependTokens(nsDeque& aDeque)=0;
NS_IMETHOD_(CToken*) PushTokenFront(CToken* aToken)=0;
NS_IMETHOD_(CToken*) PushToken(CToken* aToken)=0;
NS_IMETHOD_(CToken*) PopToken(void)=0;
NS_IMETHOD_(CToken*) PeekToken(void)=0;
NS_IMETHOD_(CToken*) GetTokenAt(PRInt32 anIndex)=0;
NS_IMETHOD_(PRInt32) GetCount(void)=0;
NS_IMETHOD_(nsTokenAllocator*) GetTokenAllocator(void)=0;
NS_IMETHOD_(void) PrependTokens(nsDeque& aDeque)=0;
};
#define NS_DECL_NSITOKENIZER \
NS_IMETHOD WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator);\
NS_IMETHOD ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens);\
NS_IMETHOD DidTokenize(PRBool aIsFinalChunk);\
NS_IMETHOD_(CToken*) PushTokenFront(CToken* aToken);\
NS_IMETHOD_(CToken*) PushToken(CToken* aToken);\
NS_IMETHOD_(CToken*) PopToken(void);\
NS_IMETHOD_(CToken*) PeekToken(void);\
NS_IMETHOD_(CToken*) GetTokenAt(PRInt32 anIndex);\
NS_IMETHOD_(PRInt32) GetCount(void);\
NS_IMETHOD_(nsTokenAllocator*) GetTokenAllocator(void);\
NS_IMETHOD_(void) PrependTokens(nsDeque& aDeque);
#endif

8
htmlparser/public/nsParserCIID.h
Просмотреть файл

@ -53,10 +53,6 @@
{0x9039c670, 0x2717, 0x11d2, \
{0x92, 0x46, 0x00, 0x80, 0x5f, 0x8a, 0x7a, 0xb6}}
// {E6FD9941-899D-11d2-8EAE-00805F29F370}
#define NS_WELLFORMEDDTD_CID \
{ 0xe6fd9941, 0x899d, 0x11d2, { 0x8e, 0xae, 0x0, 0x80, 0x5f, 0x29, 0xf3, 0x70 } }
// {a6cf9107-15b3-11d2-932e-00805f8add32}
#define NS_CNAVDTD_CID \
{ 0xa6cf9107, 0x15b3, 0x11d2, { 0x93, 0x2e, 0x0, 0x80, 0x5f, 0x8a, 0xdd, 0x32 } }
@ -81,7 +77,9 @@
#define NS_VIEWSOURCE_DTD_CID \
{ 0x8323fad0, 0x2102, 0x11d4, { 0x81, 0x42, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74 } }
// {FFF4FBE9-528A-4b37-819D-FC18F3A401A7}
#define NS_EXPAT_DRIVER_CID \
{ 0xfff4fbe9, 0x528a, 0x4b37, { 0x81, 0x9d, 0xfc, 0x18, 0xf3, 0xa4, 0x1, 0xa7 } }
// {a6cf910f-15b3-11d2-932e-00805f8add32}
#define NS_HTMLCONTENTSINKSTREAM_CID \

6
htmlparser/robot/nsRobotSink.cpp
Просмотреть файл

@ -92,7 +92,6 @@ public:
NS_IMETHOD GetPref(PRInt32 aTag,PRBool& aPref) { return NS_OK; }
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD CloseTopmostContainer();
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
@ -291,11 +290,6 @@ NS_IMETHODIMP RobotSink::AddLeaf(const nsIParserNode& aNode)
return NS_OK;
}
NS_IMETHODIMP RobotSink::NotifyError(const nsParserError* aError)
{
return NS_OK;
}
/**
* This gets called by the parsing system when we find a comment
* @update gess11/9/98

36
htmlparser/src/CNavDTD.cpp
Просмотреть файл

@ -674,6 +674,12 @@ nsresult CNavDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParse
return result;
}
nsresult
CNavDTD::Terminate(nsIParser* aParser)
{
return mDTDState=NS_ERROR_HTMLPARSER_STOPPARSING;
}
/**
* --- Backwards compatibility ---
* Use this method to determine if the tag in question needs a BODY.
@ -3921,7 +3927,8 @@ nsresult CNavDTD::CreateContextStackFor(eHTMLTags aChildTag){
* @param none
* @return ptr to tokenizer
*/
nsresult CNavDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
NS_IMETHODIMP
CNavDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
nsresult result=NS_OK;
if(!mTokenizer) {
result=NS_NewHTMLTokenizer(&mTokenizer,mDTDMode,mDocType,mParserCommand);
@ -3930,37 +3937,18 @@ nsresult CNavDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
return result;
}
/**
*
* @update gess8/4/98
* @param
* @return
*/
NS_IMETHODIMP_(nsTokenAllocator *)
CNavDTD::GetTokenAllocator(void)
{
if(!mTokenAllocator) {
nsresult result=GetTokenizer(mTokenizer);
if (NS_SUCCEEDED(result)) {
mTokenAllocator=mTokenizer->GetTokenAllocator();
}
}
return mTokenAllocator;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
nsresult CNavDTD::WillResumeParse(void){
nsresult CNavDTD::WillResumeParse(nsIContentSink* aSink){
STOP_TIMER();
MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: CNavDTD::WillResumeParse(), this=%p\n", this));
nsresult result=(mSink) ? mSink->WillResume() : NS_OK;
nsresult result=(aSink) ? aSink->WillResume() : NS_OK;
MOZ_TIMER_DEBUGLOG(("Start: Parse Time: CNavDTD::WillResumeParse(), this=%p\n", this));
START_TIMER();
@ -3974,12 +3962,12 @@ nsresult CNavDTD::WillResumeParse(void){
* @update gess5/18/98
* @return error code
*/
nsresult CNavDTD::WillInterruptParse(void){
nsresult CNavDTD::WillInterruptParse(nsIContentSink* aSink){
STOP_TIMER();
MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: CNavDTD::WillInterruptParse(), this=%p\n", this));
nsresult result=(mSink) ? mSink->WillInterrupt() : NS_OK;
nsresult result=(aSink) ? aSink->WillInterrupt() : NS_OK;
MOZ_TIMER_DEBUGLOG(("Start: Parse Time: CNavDTD::WillInterruptParse(), this=%p\n", this));
START_TIMER();

209
htmlparser/src/CNavDTD.h
Просмотреть файл

@ -126,6 +126,7 @@ class CNavDTD : public nsIDTD
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
/**
* Common constructor for navdtd. You probably want to call
@ -134,115 +135,8 @@ public:
* @update gess 7/9/98
*/
CNavDTD();
/**
* Virtual destructor -- you know what to do
* @update gess 7/9/98
*/
virtual ~CNavDTD();
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;
/**
* Call this method if you want the DTD to construct a clone of itself.
* @update gess7/23/98
* @param
* @return
*/
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);
/**
* This method is called to determine if the given DTD can parse
* a document of a given source-type.
* Note that parsing assumes that the end result will always be stored
* in the main content model. Of course, it's up to you which content-
* model you pass in to the parser, so you can always control the process.
*
* @update gess 7/15/98
* @param aContentType contains the name of a filetype that you are
* being asked to parse).
* @return TRUE if this DTD parse the given type; FALSE otherwise.
*/
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
nsITokenObserver* anObserver = nsnull,
nsIContentSink* aSink = nsnull);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param anErrorCode contans the last error that occured
* @return error code
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink = nsnull);
/**
* This method is called by the parser, once for each token
* that has been constructed during the tokenization phase.
* @update gess 3/25/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);
/**
*
* @update gess12/28/98
* @param
* @return
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
/**
*
* @update gess12/28/98
* @param
* @return
*/
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void);
/**
* If the parse process gets interrupted, this method gets called
* prior to the process resuming.
* @update gess5/18/98
* @return error code -- usually NS_OK (0)
*/
NS_IMETHOD WillResumeParse(void);
/**
* If the parse process is about to be interrupted, this method
* will be called just prior.
* @update gess5/18/98
* @return error code -- usually NS_OK (0)
*/
NS_IMETHOD WillInterruptParse(void);
/**
* This method is called to determine whether or not a tag
@ -253,19 +147,9 @@ public:
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanPropagate(eHTMLTags aParent, eHTMLTags aChild,
PRBool aParentContains) ;
virtual PRBool CanPropagate(eHTMLTags aParent,
eHTMLTags aChild,
PRBool aParentContains) ;
/**
* This method gets called to determine whether a given
@ -277,18 +161,9 @@ public:
* @param aParentContains -- can be 0,1,-1 (false,true, unknown)
* @return PR_TRUE if given tag can be omitted
*/
NS_IMETHOD_(PRBool) CanOmit(eHTMLTags aParent, eHTMLTags aChild,
PRBool& aParentContains);
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;
virtual PRBool CanOmit(eHTMLTags aParent,
eHTMLTags aChild,
PRBool& aParentContains);
/**
* This method tries to design a context map (without actually
@ -300,9 +175,9 @@ public:
* @param aChild -- tag type of child
* @return True if closure was achieved -- other false
*/
NS_IMETHOD_(PRBool) ForwardPropagate(nsString& aSequence,
eHTMLTags aParentTag,
eHTMLTags aChildTag);
virtual PRBool ForwardPropagate(nsString& aSequence,
eHTMLTags aParentTag,
eHTMLTags aChildTag);
/**
* This method tries to design a context map (without actually
@ -313,9 +188,9 @@ public:
* @param aChild -- tag type of child
* @return True if closure was achieved -- other false
*/
NS_IMETHOD_(PRBool) BackwardPropagate(nsString& aSequence,
eHTMLTags aParentTag,
eHTMLTags aChildTag) const;
virtual PRBool BackwardPropagate(nsString& aSequence,
eHTMLTags aParentTag,
eHTMLTags aChildTag) const;
/**
* Attempt forward and/or backward propagation for the given
@ -367,40 +242,6 @@ public:
*/
virtual PRInt32 LastOf(eHTMLTags aTagSet[],PRInt32 aCount) const;
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD Terminate(nsIParser* aParser = nsnull)
{
mDTDState = NS_ERROR_HTMLPARSER_STOPPARSING;
return mDTDState;
}
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const;
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const;
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const;
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const;
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const;
/**
* The following set of methods are used to partially construct
* the content model (via the sink) according to the type of token.
@ -489,7 +330,6 @@ public:
nsresult DoFragment(PRBool aFlag);
protected:
nsresult CollectAttributes(nsIParserNode& aNode,eHTMLTags aTag,PRInt32 aCount);
@ -502,26 +342,31 @@ protected:
nsDeque mMisplacedContent;
nsDeque mSkippedContent;
nsIHTMLContentSink* mSink;
nsTokenAllocator* mTokenAllocator;
nsDTDContext* mBodyContext;
nsDTDContext* mTempContext;
PRInt32 mOpenHeadCount;
PRInt32 mOpenMapCount;
PRInt32 mOpenFormCount;
nsParser* mParser;
nsITokenizer* mTokenizer;
nsString mFilename;
nsString mScratch; //used for various purposes; non-persistent
nsAutoString mMimeType; //ok as an autostring; these are short.
nsNodeAllocator mNodeAllocator;
nsDTDMode mDTDMode;
eParserDocType mDocType;
eParserCommands mParserCommand; //tells us to viewcontent/viewsource/viewerrors...
eHTMLTags mSkipTarget;
nsresult mDTDState;
PRUint16 mFlags;
PRInt32 mLineNumber;
nsString mScratch; //used for various purposes; non-persistent
nsAutoString mMimeType; //ok as an autostring; these are short.
nsNodeAllocator mNodeAllocator;
nsString mFilename;
PRInt32 mOpenHeadCount;
PRInt32 mOpenMapCount;
PRInt32 mOpenFormCount;
PRUint16 mFlags;
#ifdef ENABLE_CRC
PRUint32 mComputedCRC32;
@ -533,7 +378,7 @@ inline nsresult NS_NewNavHTMLDTD(nsIDTD** aInstancePtrResult)
{
NS_DEFINE_CID(kNavDTDCID, NS_CNAVDTD_CID);
return nsComponentManager::CreateInstance(kNavDTDCID,
nsnull,
nsnull,
NS_GET_IID(nsIDTD),
(void**)aInstancePtrResult);
}

14
htmlparser/src/COtherDTD.cpp
Просмотреть файл

@ -485,6 +485,12 @@ nsresult COtherDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIPar
return result;
}
nsresult
COtherDTD::Terminate(nsIParser* aParser)
{
return mDTDState=NS_ERROR_HTMLPARSER_STOPPARSING;
}
/**
* This big dispatch method is used to route token handler calls to the right place.
* What's wrong with it? This table, and the dispatch methods themselves need to be
@ -995,12 +1001,12 @@ nsresult COtherDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
* @param
* @return
*/
nsresult COtherDTD::WillResumeParse(void) {
nsresult COtherDTD::WillResumeParse(nsIContentSink* aSink) {
STOP_TIMER();
MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: COtherDTD::WillResumeParse(), this=%p\n", this));
nsresult result=(mSink) ? mSink->WillResume() : NS_OK;
nsresult result=(aSink) ? aSink->WillResume() : NS_OK;
MOZ_TIMER_DEBUGLOG(("Start: Parse Time: COtherDTD::WillResumeParse(), this=%p\n", this));
START_TIMER();
@ -1014,12 +1020,12 @@ nsresult COtherDTD::WillResumeParse(void) {
* @update gess5/18/98
* @return error code
*/
nsresult COtherDTD::WillInterruptParse(void){
nsresult COtherDTD::WillInterruptParse(nsIContentSink* aSink){
STOP_TIMER();
MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: COtherDTD::WillInterruptParse(), this=%p\n", this));
nsresult result=(mSink) ? mSink->WillInterrupt() : NS_OK;
nsresult result=(aSink) ? aSink->WillInterrupt() : NS_OK;
MOZ_TIMER_DEBUGLOG(("Start: Parse Time: COtherDTD::WillInterruptParse(), this=%p\n", this));
START_TIMER();

170
htmlparser/src/COtherDTD.h
Просмотреть файл

@ -122,7 +122,10 @@ class COtherDTD : public nsIDTD
#pragma warning( default : 4275 )
#endif
public:
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
/**
* Common constructor for navdtd. You probably want to call
* NS_NewNavHTMLDTD().
@ -137,171 +140,6 @@ public:
*/
virtual ~COtherDTD();
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;
/**
* Call this method if you want the DTD to construct a clone of itself.
* @update gess7/23/98
* @param
* @return
*/
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);
NS_DECL_ISUPPORTS
/**
* This method is called to determine if the given DTD can parse
* a document of a given source-type.
* Note that parsing assumes that the end result will always be stored
* in the main content model. Of course, it's up to you which content-
* model you pass in to the parser, so you can always control the process.
*
* @update gess 7/15/98
* @param aContentType contains the name of a filetype that you are
* being asked to parse).
* @return TRUE if this DTD parse the given type; FALSE otherwise.
*/
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
nsITokenObserver* anObserver = nsnull,
nsIContentSink* aSink=nsnull);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param anErrorCode contans the last error that occured
* @return error code
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink = nsnull);
/**
* This method is called by the parser, once for each token
* that has been constructed during the tokenization phase.
* @update gess 3/25/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);
/**
*
* @update gess12/28/98
* @param
* @return
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
/**
* Note that the otherDTD get's it's recycler from
* the body context.
*
* @update rickg 16June2000
* @return always 0
*/
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void)
{
return nsnull;
}
/**
* If the parse process gets interrupted, this method gets called
* prior to the process resuming.
* @update gess5/18/98
* @return error code -- usually NS_OK (0)
*/
NS_IMETHOD WillResumeParse(void);
/**
* If the parse process is about to be interrupted, this method
* will be called just prior.
* @update gess5/18/98
* @return error code -- usually NS_OK (0)
*/
NS_IMETHOD WillInterruptParse(void);
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD Terminate(nsIParser* aParser = nsnull)
{
mDTDState=NS_ERROR_HTMLPARSER_STOPPARSING;
return mDTDState;
}
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const;
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const;
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const;
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const;
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const;
/**
* The following set of methods are used to partially construct
* the content model (via the sink) according to the type of token.

2
htmlparser/src/CParserContext.h
Просмотреть файл

@ -84,11 +84,11 @@ public:
nsIDTD* mDTD;
nsIDTD* mValidator;
nsIRequestObserver* mListener;
char* mTransferBuffer;
void* mKey;
CParserContext* mPrevContext;
nsScanner* mScanner;
nsAutoString mMimeType;
nsDTDMode mDTDMode;

3
htmlparser/src/Makefile.in
Просмотреть файл

@ -58,8 +58,8 @@ endif
CPPSRCS = \
nsDTDUtils.cpp \
nsHTMLTokenizer.cpp \
nsExpatTokenizer.cpp\
nsElementTable.cpp \
nsExpatDriver.cpp \
CNavDTD.cpp \
COtherDTD.cpp \
nsHTMLEntities.cpp \
@ -72,7 +72,6 @@ CPPSRCS = \
nsParserNode.cpp \
nsScanner.cpp \
nsToken.cpp \
nsWellFormedDTD.cpp \
nsViewSourceHTML.cpp\
nsParserMsgUtils.cpp\
$(NULL)

13
htmlparser/src/makefile.win
Просмотреть файл

@ -40,13 +40,13 @@ include <$(DEPTH)\config\config.mak>
LIBRARY_NAME=raptorhtmlpars
DEFINES=-D_IMPL_NS_HTMLPARS -DWIN32_LEAN_AND_MEAN -DXML_DTD
LIBRARY_NAME = gkparser
MODULE_NAME = nsParserModule
LIBRARY_NAME = gkparser
MODULE_NAME = nsParserModule
CPP_OBJS = \
CPP_OBJS = \
.\$(OBJDIR)\nsDTDUtils.obj \
.\$(OBJDIR)\nsHTMLTokenizer.obj \
.\$(OBJDIR)\nsExpatTokenizer.obj\
.\$(OBJDIR)\nsExpatDriver.obj \
.\$(OBJDIR)\nsElementTable.obj \
.\$(OBJDIR)\CNavDTD.obj \
.\$(OBJDIR)\COtherDTD.obj \
@ -58,11 +58,10 @@ CPP_OBJS = \
.\$(OBJDIR)\nsParserNode.obj \
.\$(OBJDIR)\nsScanner.obj \
.\$(OBJDIR)\nsToken.obj \
.\$(OBJDIR)\nsWellFormedDTD.obj \
.\$(OBJDIR)\nsViewSourceHTML.obj\
.\$(OBJDIR)\nsParserService.obj \
.\$(OBJDIR)\nsParserService.obj \
.\$(OBJDIR)\nsParserModule.obj \
.\$(OBJDIR)\nsParserMsgUtils.obj \
.\$(OBJDIR)\nsParserMsgUtils.obj\
!ifdef MOZ_DEBUG
.\$(OBJDIR)\nsLoggingSink.obj \
.\$(OBJDIR)\nsHTMLNullSink.obj \

947
htmlparser/src/nsExpatDriver.cpp Normal file
Просмотреть файл

@ -0,0 +1,947 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsExpatDriver.h"
#include "nsIParser.h"
#include "nsCOMPtr.h"
#include "nsParserCIID.h"
#include "CParserContext.h"
#include "nsIExpatSink.h"
#include "nsIContentSink.h"
#include "nsParserMsgUtils.h"
#include "nsSpecialSystemDirectory.h"
#include "nsIURL.h"
#include "nsIUnicharInputStream.h"
#include "nsNetUtil.h"
#include "prprf.h"
#include "prmem.h"
#include "nsTextFormatter.h"
static const char* kDTDDirectory = "dtd/";
/***************************** EXPAT CALL BACKS *******************************/
// The callback handlers that get called from the expat parser
static int
Driver_HandleStartElement(void *aUserData,
const XML_Char *aName,
const XML_Char **aAtts)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
return NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleStartElement((const PRUnichar*)aName,
(const PRUnichar**)aAtts);
}
return XML_ERROR_NONE;
}
static int
Driver_HandleEndElement(void *aUserData,
const XML_Char *aName)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
return NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleEndElement((const PRUnichar*)aName);
}
return XML_ERROR_NONE;
}
static void
Driver_HandleCharacterData(void *aUserData,
const XML_Char *aData,
int aLength)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleCharacterData((PRUnichar*)aData,
PRUint32(aLength));
}
}
static void
Driver_HandleComment(void *aUserData,
const XML_Char *aName)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if(aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleComment((const PRUnichar*)aName);
}
}
static int
Driver_HandleProcessingInstruction(void *aUserData,
const XML_Char *aTarget,
const XML_Char *aData)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
return NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleProcessingInstruction((const PRUnichar*)aTarget,
(const PRUnichar*)aData);
}
return XML_ERROR_NONE;
}
static void
Driver_HandleDefault(void *aUserData,
const XML_Char *aData,
int aLength)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleDefault((const PRUnichar*)aData,
PRUint32(aLength));
}
}
static void
Driver_HandleStartCdataSection(void *aUserData)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleStartCdataSection();
}
}
static void
Driver_HandleEndCdataSection(void *aUserData)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleEndCdataSection();
}
}
static void
Driver_HandleStartDoctypeDecl(void *aUserData,
const XML_Char *aDoctypeName)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleStartDoctypeDecl();
}
}
static void
Driver_HandleEndDoctypeDecl(void *aUserData)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleEndDoctypeDecl();
}
}
static int
Driver_HandleExternalEntityRef(XML_Parser parser,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId)
{
int result = PR_TRUE;
#ifdef XML_DTD
// Load the external entity into a buffer
nsCOMPtr<nsIInputStream> in;
nsAutoString absURL;
nsresult rv = nsExpatDriver::OpenInputStream(systemId, base, getter_AddRefs(in), absURL);
if (NS_FAILED(rv)) {
return result;
}
nsCOMPtr<nsIUnicharInputStream> uniIn;
NS_NewUTF8ConverterStream(getter_AddRefs(uniIn), in, 1024);
if (uniIn) {
XML_Parser entParser =
XML_ExternalEntityParserCreate(parser, 0, (const XML_Char*) NS_LITERAL_STRING("UTF-16").get());
if (entParser) {
PRUint32 readCount = 0;
PRUnichar tmpBuff[1024] = {0};
PRUnichar *uniBuf = tmpBuff;
XML_SetBase(entParser, (const XML_Char*) absURL.get());
while (NS_SUCCEEDED(uniIn->Read(uniBuf, 0, 1024, &readCount))) {
if (readCount) {
// Pass the buffer to expat for parsing
result = XML_Parse(entParser, (char *)uniBuf, readCount * sizeof(PRUnichar), 0);
}
else {
// done reading
result = XML_Parse(entParser, nsnull, 0, 1);
break;
}
}
XML_ParserFree(entParser);
}
}
#else /* ! XML_DTD */
NS_NOTYETIMPLEMENTED("Error: Tokenizer_HandleExternalEntityRef() not yet implemented.");
#endif /* XML_DTD */
return result;
}
/***************************** END CALL BACKS *********************************/
NS_IMPL_ISUPPORTS2(nsExpatDriver,
nsITokenizer,
nsIDTD);
nsresult
NS_NewExpatDriver(nsIDTD** aResult) {
nsExpatDriver* driver = nsnull;
NS_NEWXPCOM(driver, nsExpatDriver);
NS_ENSURE_TRUE(driver,NS_ERROR_OUT_OF_MEMORY);
return driver->QueryInterface(NS_GET_IID(nsIDTD), (void**)aResult);
}
nsExpatDriver::nsExpatDriver()
:mExpatParser(0),
mSink(0),
mInDoctype(0),
mInCData(0),
mBytesParsed(0),
mBytePosition(0),
mInternalState(NS_OK)
{
NS_INIT_REFCNT();
}
nsExpatDriver::~nsExpatDriver()
{
NS_IF_RELEASE(mSink);
}
nsresult
nsExpatDriver::HandleStartElement(const PRUnichar *aValue,
const PRUnichar **aAtts)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mSink){
nsresult result = mSink->HandleStartElement(aValue, aAtts,
XML_GetSpecifiedAttributeCount(mExpatParser) / 2,
XML_GetIdAttributeIndex(mExpatParser),
XML_GetCurrentLineNumber(mExpatParser));
if (result == NS_ERROR_HTMLPARSER_BLOCK) {
mInternalState = NS_ERROR_HTMLPARSER_BLOCK;
XML_BlockParser(mExpatParser);
}
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndElement(const PRUnichar *aValue)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mSink){
nsresult result = mSink->HandleEndElement(aValue);
if (result == NS_ERROR_HTMLPARSER_BLOCK) {
mInternalState = NS_ERROR_HTMLPARSER_BLOCK;
XML_BlockParser(mExpatParser);
}
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleCharacterData(const PRUnichar *aValue,
const PRUint32 aLength)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInCData) {
mCDataText.Append(aValue,aLength);
}
else if (mSink){
mInternalState = mSink->HandleCharacterData(aValue, aLength);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleComment(const PRUnichar *aValue)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInDoctype) {
// We do not want comments popping out of the doctype...
mDoctypeText.Append(NS_LITERAL_STRING("<!--"));
mDoctypeText.Append(aValue);
mDoctypeText.Append(NS_LITERAL_STRING("-->"));
}
else if (mSink){
mInternalState = mSink->HandleComment(aValue);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleProcessingInstruction(const PRUnichar *aTarget,
const PRUnichar *aData)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mSink){
nsresult result = mSink->HandleProcessingInstruction(aTarget, aData);
if (result == NS_ERROR_HTMLPARSER_BLOCK) {
mInternalState = NS_ERROR_HTMLPARSER_BLOCK;
XML_BlockParser(mExpatParser);
}
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleDefault(const PRUnichar *aValue,
const PRUint32 aLength)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInDoctype) {
mDoctypeText.Append(aValue, aLength);
}
else if (mSink) {
static const PRUnichar newline[] = {'\n','\0'};
for (PRUint32 i = 0; i < aLength && NS_SUCCEEDED(mInternalState); i++) {
if (aValue[i] == '\n' || aValue[i] == '\r') {
mInternalState = mSink->HandleCharacterData(newline, 1);
}
}
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleStartCdataSection()
{
mInCData = PR_TRUE;
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndCdataSection()
{
NS_ASSERTION(mSink, "content sink not found!");
mInCData = PR_FALSE;
if (mSink) {
mInternalState = mSink->HandleCDataSection(mCDataText.get(),mCDataText.Length());
}
mCDataText.Truncate();
return NS_OK;
}
nsresult
nsExpatDriver::HandleStartDoctypeDecl()
{
mInDoctype = PR_TRUE;
mDoctypeText.Assign(NS_LITERAL_STRING("<!DOCTYPE "));
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndDoctypeDecl()
{
NS_ASSERTION(mSink, "content sink not found!");
mInDoctype = PR_FALSE;
mDoctypeText.Append(PRUnichar('>'));
if(mSink) {
mInternalState = mSink->HandleDoctypeDecl(mDoctypeText.get());
}
mDoctypeText.Truncate();
return NS_OK;
}
// aDTD is an in/out parameter. Returns true if the aDTD is a chrome url or if the
// filename contained within the url exists in the special DTD directory ("dtd"
// relative to the current process directory). For the latter case, aDTD is set
// to the file: url that points to the DTD file found in the local DTD directory
// AND the old URI is relased.
static PRBool
IsLoadableDTD(nsCOMPtr<nsIURI>* aDTD)
{
PRBool isLoadable = PR_FALSE;
nsresult res = NS_OK;
if (!aDTD || !*aDTD) {
NS_ASSERTION(0, "Null parameter.");
return PR_FALSE;
}
// Return true if the url is a chrome url
res = (*aDTD)->SchemeIs("chrome", &isLoadable);
// If the url is not a chrome url, check to see if a DTD file of the same name
// exists in the special DTD directory
if (!isLoadable) {
nsCOMPtr<nsIURL> dtdURL;
dtdURL = do_QueryInterface(*aDTD, &res);
if (NS_SUCCEEDED(res)) {
nsXPIDLCString fileName;
res = dtdURL->GetFileName(getter_Copies(fileName));
if (NS_SUCCEEDED(res) && fileName) {
nsSpecialSystemDirectory dtdPath(nsSpecialSystemDirectory::OS_CurrentProcessDirectory);
dtdPath += NS_ConvertASCIItoUCS2(nsDependentCString(kDTDDirectory) + fileName);
if (dtdPath.Exists()) {
// The DTD was found in the local DTD directory.
// Set aDTD to a file: url pointing to the local DTD
nsFileURL dtdFile(dtdPath);
nsCOMPtr<nsIURI> dtdURI;
res = NS_NewURI(getter_AddRefs(dtdURI), dtdFile.GetURLString());
if (NS_SUCCEEDED(res) && dtdURI) {
*aDTD = dtdURI;
isLoadable = PR_TRUE;
}
}
}
}
}
return isLoadable;
}
nsresult
nsExpatDriver::OpenInputStream(const XML_Char* aURLStr,
const XML_Char* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL)
{
nsresult rv;
nsCOMPtr<nsIURI> baseURI;
rv = NS_NewURI(getter_AddRefs(baseURI), NS_ConvertUCS2toUTF8((const PRUnichar*)aBaseURL).get());
if (NS_SUCCEEDED(rv) && baseURI) {
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), NS_ConvertUCS2toUTF8((const PRUnichar*)aURLStr).get(), baseURI);
if (NS_SUCCEEDED(rv) && uri) {
if (IsLoadableDTD(address_of(uri))) {
rv = NS_OpenURI(in, uri);
nsXPIDLCString absURL;
uri->GetSpec(getter_Copies(absURL));
CopyASCIItoUCS2(absURL, aAbsURL);
}
else {
rv = NS_ERROR_NOT_IMPLEMENTED;
}
}
}
return rv;
}
static nsresult
CreateErrorText(const PRUnichar* aDescription,
const PRUnichar* aSourceURL,
const PRInt32 aLineNumber,
const PRInt32 aColNumber,
nsString& aErrorString)
{
aErrorString.Truncate();
nsAutoString msg;
nsresult rv = nsParserMsgUtils::GetLocalizedStringByName(XMLPARSER_PROPERTIES,"XMLParsingError",msg);
if (NS_FAILED(rv)) {
return rv;
}
// XML Parsing Error: %1$S\nLocation: %2$S\nLine Number %3$d, Column %4$d:
PRUnichar *message = nsTextFormatter::smprintf(msg.get(),aDescription,aSourceURL,aLineNumber,aColNumber);
if (!message) {
return NS_ERROR_OUT_OF_MEMORY;
}
aErrorString.Assign(message);
nsTextFormatter::smprintf_free(message);
return NS_OK;
}
static nsresult
CreateSourceText(const PRInt32 aColNumber,
const PRUnichar* aSourceLine,
nsString& aSourceString)
{
PRInt32 errorPosition = aColNumber;
aSourceString.Append(aSourceLine);
aSourceString.Append(PRUnichar('\n'));
for (PRInt32 i = 0; i < errorPosition - 1; i++) {
aSourceString.Append(PRUnichar('-'));
}
aSourceString.Append(PRUnichar('^'));
return NS_OK;
}
nsresult
nsExpatDriver::HandleError(const char *aBuffer,
PRUint32 aLength,
PRBool aIsFinal)
{
PRInt32 code = XML_GetErrorCode(mExpatParser);
NS_WARN_IF_FALSE(code >= 1, "unexpected XML error code");
// Map Expat error code to an error string
// XXX Deal with error returns.
nsAutoString description;
nsParserMsgUtils::GetLocalizedStringByID(XMLPARSER_PROPERTIES, code, description);
if (code == XML_ERROR_TAG_MISMATCH) {
description.Append(NS_LITERAL_STRING(". Expected: "));
description.Append(NS_LITERAL_STRING("</"));
description.Append((const PRUnichar*)XML_GetMismatchedTag(mExpatParser));
description.Append(NS_LITERAL_STRING(">."));
}
nsAutoString sourceLine;
if (!aIsFinal) {
GetLine(aBuffer, aLength, (XML_GetCurrentByteIndex(mExpatParser) - mBytesParsed), sourceLine);
}
else {
sourceLine.Append(mLastLine);
}
// Adjust the column number so that it is one based rather than zero based.
PRInt32 colNumber = XML_GetCurrentColumnNumber(mExpatParser) + 1;
nsAutoString errorText;
CreateErrorText(description.get(),
(PRUnichar*)XML_GetBase(mExpatParser),
XML_GetCurrentLineNumber(mExpatParser),
colNumber, errorText);
nsAutoString sourceText;
CreateSourceText(colNumber, sourceLine.get(), sourceText);
NS_ASSERTION(mSink,"no sink?");
if (mSink) {
mSink->ReportError(errorText.get(), sourceText.get());
}
return NS_ERROR_HTMLPARSER_STOPPARSING;
}
nsresult
nsExpatDriver::ParseBuffer(const char* aBuffer,
PRUint32 aLength,
PRBool aIsFinal)
{
nsresult result = NS_OK;
NS_ASSERTION((aBuffer && aLength) || (aBuffer == nsnull && aLength == 0), "?");
if (mExpatParser && mInternalState == NS_OK) {
if (!XML_Parse(mExpatParser, aBuffer, aLength, aIsFinal)) {
if (mInternalState == NS_ERROR_HTMLPARSER_BLOCK ||
mInternalState == NS_ERROR_HTMLPARSER_STOPPARSING) {
mBytePosition = (XML_GetCurrentByteIndex(mExpatParser) - mBytesParsed);
mBytesParsed += mBytePosition;
}
else {
HandleError(aBuffer,aLength,aIsFinal);
mInternalState = NS_ERROR_HTMLPARSER_STOPPARSING;
}
return mInternalState;
}
else if (aBuffer && aLength) {
// Cache the last line in the buffer
GetLine(aBuffer, aLength, aLength - sizeof(PRUnichar), mLastLine);
}
mBytesParsed += aLength;
mBytePosition = 0;
}
return result;
}
void
nsExpatDriver::GetLine(const char* aSourceBuffer,
PRUint32 aLength,
PRUint32 aOffset,
nsString& aLine)
{
/* Figure out the line inside aSourceBuffer that contains character specified by aOffset.
Copy it into aLine. */
NS_ASSERTION(aOffset >= 0 && aOffset < aLength, "?");
/* Assert that the byteIndex and the length of the buffer is even */
NS_ASSERTION(aOffset % 2 == 0 && aLength % 2 == 0, "?");
PRUnichar* start = (PRUnichar* ) &aSourceBuffer[aOffset]; /* Will try to find the start of the line */
PRUnichar* end = (PRUnichar* ) &aSourceBuffer[aOffset]; /* Will try to find the end of the line */
PRUint32 startIndex = aOffset / sizeof(PRUnichar); /* Track the position of the 'start' pointer into the buffer */
PRUint32 endIndex = aOffset / sizeof(PRUnichar); /* Track the position of the 'end' pointer into the buffer */
PRUint32 numCharsInBuffer = aLength / sizeof(PRUnichar);
PRBool reachedStart;
PRBool reachedEnd;
/* Use start to find the first new line before the error position and
end to find the first new line after the error position */
reachedStart = (startIndex <= 0 || '\n' == *start || '\r' == *start);
reachedEnd = (endIndex >= numCharsInBuffer || '\n' == *end || '\r' == *end);
while (!reachedStart || !reachedEnd) {
if (!reachedStart) {
--start;
--startIndex;
reachedStart = (startIndex <= 0 || '\n' == *start || '\r' == *start);
}
if (!reachedEnd) {
++end;
++endIndex;
reachedEnd = (endIndex >= numCharsInBuffer || '\n' == *end || '\r' == *end);
}
}
aLine.Truncate(0);
if (startIndex == endIndex) {
// Special case if the error is on a line where the only character is a newline.
// Do nothing
}
else {
NS_ASSERTION(endIndex - startIndex >= sizeof(PRUnichar), "?");
/* At this point, there are two cases. Either the error is on the first line or
on subsequent lines. If the error is on the first line, startIndex will decrement
all the way to zero. If not, startIndex will decrement to the position of the
newline character on the previous line. So, in the first case, the start position
of the error line = startIndex (== 0). In the second case, the start position of the
error line = startIndex + 1. In both cases, the end position of the error line will be
(endIndex - 1). */
PRUint32 startPosn = (startIndex <= 0) ? startIndex : startIndex + 1;
/* At this point, the substring starting at startPosn and ending at (endIndex - 1),
is the line on which the error occurred. Copy that substring into the error structure. */
const PRUnichar* unicodeBuffer = (const PRUnichar*) aSourceBuffer;
aLine.Append(&unicodeBuffer[startPosn], endIndex - startPosn);
}
}
NS_IMETHODIMP
nsExpatDriver::CreateNewInstance(nsIDTD** aInstancePtrResult)
{
return NS_NewExpatDriver(aInstancePtrResult);
}
NS_IMETHODIMP
nsExpatDriver::ConsumeToken(nsScanner& aScanner,
PRBool& aFlushTokens)
{
// Ask the scanner to send us all the data it has
// scanned and pass that data to expat.
mInternalState = NS_OK; // Resume in case we're blocked.
XML_UnblockParser(mExpatParser);
nsReadingIterator<PRUnichar> start, end;
aScanner.CurrentPosition(start);
aScanner.EndReading(end);
while (start != end) {
PRUint32 fragLength = PRUint32(start.size_forward());
const PRUnichar* expatBuffer = start.get();
mInternalState = ParseBuffer((const char *)expatBuffer,
fragLength * sizeof(PRUnichar),
aFlushTokens);
if (NS_FAILED(mInternalState)) {
if (mInternalState == NS_ERROR_HTMLPARSER_BLOCK) {
// mBytePosition / 2 => character position. Since one char = two bytes.
aScanner.SetPosition(start.advance(mBytePosition / 2), PR_TRUE);
aScanner.Mark();
}
return mInternalState;
}
start.advance(fragLength);
}
aScanner.SetPosition(end, PR_TRUE);
if(NS_SUCCEEDED(mInternalState)) {
return aScanner.Eof();
}
return NS_OK;
}
NS_IMETHODIMP_(eAutoDetectResult)
nsExpatDriver::CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion)
{
eAutoDetectResult result = eUnknownDetect;
if (eViewSource != aParserContext.mParserCommand) {
if (aParserContext.mMimeType.EqualsWithConversion(kXMLTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXHTMLApplicationContentType)||
aParserContext.mMimeType.EqualsWithConversion(kRDFTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXULTextContentType)) {
result=ePrimaryDetect;
}
else {
if (0 == aParserContext.mMimeType.Length() &&
kNotFound != aBuffer.Find("<?xml ")) {
aParserContext.SetMimeType(NS_LITERAL_STRING(kXMLTextContentType));
result=eValidDetect;
}
}
}
return result;
}
NS_IMETHODIMP
nsExpatDriver::WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink)
{
NS_ENSURE_ARG_POINTER(aSink);
aSink->QueryInterface(NS_GET_IID(nsIExpatSink),(void**)&(mSink));
NS_ENSURE_TRUE(mSink,NS_ERROR_FAILURE);
mExpatParser = XML_ParserCreate((const XML_Char*) NS_LITERAL_STRING("UTF-16").get());
NS_ENSURE_TRUE(mExpatParser, NS_ERROR_FAILURE);
#ifdef XML_DTD
XML_SetParamEntityParsing(mExpatParser, XML_PARAM_ENTITY_PARSING_ALWAYS);
#endif
XML_SetBase(mExpatParser, (const XML_Char*) (aParserContext.mScanner->GetFilename()).get());
// Set up the callbacks
XML_SetElementHandler(mExpatParser, Driver_HandleStartElement, Driver_HandleEndElement);
XML_SetCharacterDataHandler(mExpatParser, Driver_HandleCharacterData);
XML_SetProcessingInstructionHandler(mExpatParser, Driver_HandleProcessingInstruction);
XML_SetDefaultHandlerExpand(mExpatParser, Driver_HandleDefault);
XML_SetExternalEntityRefHandler(mExpatParser, Driver_HandleExternalEntityRef);
XML_SetCommentHandler(mExpatParser, Driver_HandleComment);
XML_SetCdataSectionHandler(mExpatParser, Driver_HandleStartCdataSection,
Driver_HandleEndCdataSection);
XML_SetDoctypeDeclHandler(mExpatParser, Driver_HandleStartDoctypeDecl, Driver_HandleEndDoctypeDecl);
// Set up the user data.
XML_SetUserData(mExpatParser, this);
return aSink->WillBuildModel();
}
NS_IMETHODIMP
nsExpatDriver::BuildModel(nsIParser* aParser,
nsITokenizer* aTokenizer,
nsITokenObserver* anObserver,
nsIContentSink* aSink)
{
return mInternalState;
}
NS_IMETHODIMP
nsExpatDriver::DidBuildModel(nsresult anErrorCode,
PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink)
{
// Check for mSink is intentional. This would make sure
// that DidBuildModel() is called only once on the sink.
nsresult result = (mSink)? aSink->DidBuildModel(0) : NS_OK;
NS_IF_RELEASE(mSink);
return result;
}
NS_IMETHODIMP nsExpatDriver::GetTokenizer(nsITokenizer*& aTokenizer)
{
aTokenizer = this;
return NS_OK;
}
NS_IMETHODIMP
nsExpatDriver::WillTokenize(PRBool aIsFinalChunk,
nsTokenAllocator* aTokenAllocator)
{
return NS_OK;
}
NS_IMETHODIMP
nsExpatDriver::WillResumeParse(nsIContentSink* aSink)
{
return (aSink)? aSink->WillResume():NS_OK;
}
NS_IMETHODIMP
nsExpatDriver::WillInterruptParse(nsIContentSink* aSink)
{
return (aSink)? aSink->WillInterrupt():NS_OK;
}
NS_IMETHODIMP
nsExpatDriver::DidTokenize(PRBool aIsFinalChunk)
{
return ParseBuffer(nsnull, 0, aIsFinalChunk);
}
NS_IMETHODIMP_(const nsIID&)
nsExpatDriver::GetMostDerivedIID(void) const
{
return NS_GET_IID(nsIDTD);
}
NS_IMETHODIMP nsExpatDriver::Terminate(nsIParser* aParser)
{
XML_BlockParser(mExpatParser); // XXX - not sure what happens to the unparsed data.
return mInternalState = NS_ERROR_HTMLPARSER_STOPPARSING;
}
/*************************** Unused methods ***************************************/
NS_IMETHODIMP_(CToken*)
nsExpatDriver::PushTokenFront(CToken* aToken)
{
return 0;
}
NS_IMETHODIMP_(CToken*)
nsExpatDriver::PushToken(CToken* aToken)
{
return 0;
}
NS_IMETHODIMP_(CToken*)
nsExpatDriver::PopToken(void)
{
return 0;
}
NS_IMETHODIMP_(CToken*)
nsExpatDriver::PeekToken(void)
{
return 0;
}
NS_IMETHODIMP_(CToken*)
nsExpatDriver::GetTokenAt(PRInt32 anIndex)
{
return 0;
}
NS_IMETHODIMP_(PRInt32)
nsExpatDriver::GetCount(void)
{
return 0;
}
NS_IMETHODIMP_(nsTokenAllocator*)
nsExpatDriver::GetTokenAllocator(void)
{
return 0;
}
NS_IMETHODIMP_(void)
nsExpatDriver::PrependTokens(nsDeque& aDeque)
{
}
NS_IMETHODIMP
nsExpatDriver::HandleToken(CToken* aToken,nsIParser* aParser)
{
return NS_OK;
}
NS_IMETHODIMP_(PRBool)
nsExpatDriver::IsBlockElement(PRInt32 aTagID,PRInt32 aParentID) const
{
return PR_FALSE;
}
NS_IMETHODIMP_(PRBool)
nsExpatDriver::IsInlineElement(PRInt32 aTagID,PRInt32 aParentID) const
{
return PR_FALSE;
}
NS_IMETHODIMP_(PRBool)
nsExpatDriver::IsContainer(PRInt32 aTag) const
{
return PR_TRUE;
}
NS_IMETHODIMP_(PRBool)
nsExpatDriver::CanContain(PRInt32 aParent,PRInt32 aChild) const
{
return PR_TRUE;
}
NS_IMETHODIMP
nsExpatDriver::StringTagToIntTag(const nsAReadableString &aTag, PRInt32* aIntTag) const
{
return NS_OK;
}
NS_IMETHODIMP_(const PRUnichar *)
nsExpatDriver::IntTagToStringTag(PRInt32 aIntTag) const
{
return 0;
}
NS_IMETHODIMP
nsExpatDriver::ConvertEntityToUnicode(const nsAReadableString& aEntity, PRInt32* aUnicode) const
{
return NS_OK;
}
/******************************************************************************/

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htmlparser/src/nsExpatDriver.h Normal file
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef NS_EXPAT_DRIVER__
#define NS_EXPAT_DRIVER__
#include "xmlparse.h"
#include "nsString.h"
#include "nsIDTD.h"
#include "nsITokenizer.h"
#include "nsFileSpec.h"
class nsIExpatSink;
class nsExpatDriver : public nsIDTD,
public nsITokenizer
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
NS_DECL_NSITOKENIZER
nsExpatDriver();
virtual ~nsExpatDriver();
// Load up an external stream to get external entity information
static nsresult OpenInputStream(const XML_Char* aURLStr, const XML_Char* aBaseURL, nsIInputStream** in, nsAString& aAbsURL);
nsresult HandleStartElement(const PRUnichar *aName, const PRUnichar **aAtts);
nsresult HandleEndElement(const PRUnichar *aName);
nsresult HandleCharacterData(const PRUnichar *aCData, const PRUint32 aLength);
nsresult HandleComment(const PRUnichar *aName);
nsresult HandleProcessingInstruction(const PRUnichar *aTarget, const PRUnichar *aData);
nsresult HandleDefault(const PRUnichar *aData, const PRUint32 aLength);
nsresult HandleStartCdataSection();
nsresult HandleEndCdataSection();
nsresult HandleStartDoctypeDecl();
nsresult HandleEndDoctypeDecl();
protected:
nsresult ParseBuffer(const char* aBuffer, PRUint32 aLength, PRBool aIsFinal);
nsresult HandleError(const char *aBuffer, PRUint32 aLength, PRBool aIsFinal);
void GetLine(const char* aSourceBuffer, PRUint32 aLength, PRUint32 aOffset, nsString& aLine);
XML_Parser mExpatParser;
nsIExpatSink* mSink;
nsString mLastLine;
nsString mDoctypeText;
nsString mCDataText;
PRPackedBool mInDoctype;
PRPackedBool mInCData;
PRUint32 mBytesParsed;
PRInt32 mBytePosition;
nsresult mInternalState;
};
nsresult NS_NewExpatDriver(nsIDTD** aDriver);
#endif

7
htmlparser/src/nsHTMLNullSink.cpp
Просмотреть файл

@ -66,7 +66,6 @@ public:
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0);
@ -624,12 +623,6 @@ nsHTMLNullSink::SetParser(nsIParser* aParser)
return NS_OK;
}
NS_IMETHODIMP
nsHTMLNullSink::NotifyError(const nsParserError* aError)
{
return NS_OK;
}
/**
*
* @update gpk03/14/99

25
htmlparser/src/nsHTMLTokenizer.h
Просмотреть файл

@ -70,27 +70,14 @@
class nsHTMLTokenizer : public nsITokenizer {
public:
nsHTMLTokenizer( PRInt32 aParseMode=eDTDMode_quirks,
eParserDocType aDocType=eHTML3_Quirks,
eParserCommands aCommand=eViewNormal);
NS_DECL_ISUPPORTS
NS_DECL_NSITOKENIZER
nsHTMLTokenizer(PRInt32 aParseMode=eDTDMode_quirks,
eParserDocType aDocType=eHTML3_Quirks,
eParserCommands aCommand=eViewNormal);
virtual ~nsHTMLTokenizer();
NS_DECL_ISUPPORTS
virtual nsresult WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator);
virtual nsresult ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens);
virtual nsresult DidTokenize(PRBool aIsFinalChunk);
virtual nsTokenAllocator* GetTokenAllocator(void);
virtual CToken* PushTokenFront(CToken* theToken);
virtual CToken* PushToken(CToken* theToken);
virtual CToken* PopToken(void);
virtual CToken* PeekToken(void);
virtual CToken* GetTokenAt(PRInt32 anIndex);
virtual PRInt32 GetCount(void);
virtual void PrependTokens(nsDeque& aDeque);
protected:
virtual nsresult ConsumeScriptContent(nsScanner& aScanner,CToken*& aToken);

14
htmlparser/src/nsLoggingSink.cpp
Просмотреть файл

@ -253,20 +253,6 @@ nsLoggingSink::AddLeaf(const nsIParserNode& aNode) {
}
NS_IMETHODIMP
nsLoggingSink::NotifyError(const nsParserError* aError) {
nsresult theResult=NS_OK;
//then proxy the call to the real sink if you have one.
if(mSink) {
theResult=mSink->NotifyError(aError);
}
return theResult;
}
/**
* This gets called by the parser when you want to add
* a PI node to the current container in the content

1
htmlparser/src/nsLoggingSink.h
Просмотреть файл

@ -68,7 +68,6 @@ public:
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0);

14
htmlparser/src/nsParser.cpp
Просмотреть файл

@ -49,7 +49,6 @@
#include "nsScanner.h"
#include "plstr.h"
#include "nsIParserFilter.h"
#include "nsWellFormedDTD.h"
#include "nsViewSourceHTML.h"
#include "nsIStringStream.h"
#include "nsIChannel.h"
@ -65,13 +64,14 @@
#include "nsCOMPtr.h"
#include "nsIEventQueue.h"
#include "nsIEventQueueService.h"
#include "nsExpatDriver.h"
//#define rickgdebug
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_CID(kCParserCID, NS_PARSER_CID);
static NS_DEFINE_IID(kIParserIID, NS_IPARSER_IID);
static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
static NS_DEFINE_IID(kExpatDriverCID, NS_EXPAT_DRIVER_CID);
static NS_DEFINE_CID(kNavDTDCID, NS_CNAVDTD_CID);
static NS_DEFINE_CID(kCOtherDTDCID, NS_COTHER_DTD_CID);
static NS_DEFINE_CID(kViewSourceDTDCID, NS_VIEWSOURCE_DTD_CID);
@ -1159,7 +1159,7 @@ PRBool FindSuitableDTD( CParserContext& aParserContext,nsString& aBuffer) {
}
if((theDTDIndex==gSharedObjects.mDTDDeque.GetSize()) && (!thePrimaryFound)) {
if(!gSharedObjects.mHasXMLDTD) {
NS_NewWellFormed_DTD(&theDTD); //do this to view XML files...
NS_NewExpatDriver(&theDTD); //do this to view XML files...
gSharedObjects.mDTDDeque.Push(theDTD);
gSharedObjects.mHasXMLDTD=PR_TRUE;
}
@ -1261,7 +1261,7 @@ NS_IMETHODIMP nsParser::CreateCompatibleDTD(nsIDTD** aDTD,
theDTDClassID=&kNavDTDCID;
break;
case eXML:
theDTDClassID=&kWellFormedDTDCID;
theDTDClassID=&kExpatDriverCID;
break;
default:
theDTDClassID=&kNavDTDCID;
@ -1288,7 +1288,7 @@ NS_IMETHODIMP nsParser::CreateCompatibleDTD(nsIDTD** aDTD,
aMimeType->EqualsWithConversion(kXHTMLApplicationContentType) ||
aMimeType->EqualsWithConversion(kXULTextContentType) ||
aMimeType->EqualsWithConversion(kRDFTextContentType)) {
theDTDClassID=&kWellFormedDTDCID;
theDTDClassID=&kExpatDriverCID;
}
else {
theDTDClassID=&kNavDTDCID;
@ -1836,7 +1836,7 @@ nsresult nsParser::ResumeParse(PRBool allowIteration, PRBool aIsFinalChunk, PRBo
// as if it was read from the input stream.
// Adding UngetReadable() per vidur!!
mParserContext->mScanner->UngetReadable(mUnusedInput);
mUnusedInput.Truncate(0);
mUnusedInput.Truncate(0);
}
}
@ -1864,7 +1864,7 @@ nsresult nsParser::ResumeParse(PRBool allowIteration, PRBool aIsFinalChunk, PRBo
if(NS_ERROR_HTMLPARSER_BLOCK==result) {
//BLOCK == 2152596464
if (mParserContext->mDTD) {
mParserContext->mDTD->WillInterruptParse();
mParserContext->mDTD->WillInterruptParse(mSink);
}
BlockParser();

41
htmlparser/src/nsParser.h
Просмотреть файл

@ -162,10 +162,10 @@ class nsParser : public nsIParser,
*/
virtual void SetDocumentCharset(nsString& aCharset, PRInt32 aSource);
void GetDocumentCharset(nsString& oCharset, PRInt32& oSource)
void GetDocumentCharset(nsString& aCharset, PRInt32& aSource)
{
oCharset = mCharset;
oSource = mCharsetSource;
aCharset = mCharset;
aSource = mCharsetSource;
}
@ -454,28 +454,29 @@ protected:
//*********************************************
CParserContext* mParserContext;
PRInt32 mMajorIteration;
PRInt32 mMinorIteration;
nsIRequestObserver* mObserver;
nsIContentSink* mSink;
nsCOMPtr<nsIEventQueue> mEventQueue;
CParserContext* mParserContext;
nsIRequestObserver* mObserver;
nsIContentSink* mSink;
nsIParserFilter* mParserFilter;
PRBool mDTDVerification;
eParserCommands mCommand;
PRInt32 mStreamStatus;
nsITokenObserver* mTokenObserver;
nsString mUnusedInput;
nsString mCharset;
PRInt32 mCharsetSource;
nsresult mInternalState;
PRBool mObserversEnabled;
nsString mCommandStr;
PRBool mParserEnabled;
nsTokenAllocator mTokenAllocator;
nsCOMPtr<nsIEventQueue> mEventQueue;
eParserCommands mCommand;
nsresult mInternalState;
PRInt32 mStreamStatus;
PRInt32 mMajorIteration;
PRInt32 mMinorIteration;
PRInt32 mCharsetSource;
nsString mUnusedInput;
nsString mCharset;
nsString mCommandStr;
PRPackedBool mDTDVerification;
PRPackedBool mParserEnabled;
PRPackedBool mObserversEnabled;
PRPackedBool mPendingContinueEvent;
PRPackedBool mCanInterrupt;

15
htmlparser/src/nsParserFactory.cpp
Просмотреть файл

@ -44,7 +44,6 @@
#include "nsILoggingSink.h"
#include "nsParser.h"
#include "nsParserNode.h"
#include "nsWellFormedDTD.h"
#include "CNavDTD.h"
#include "nsHTMLTags.h"
@ -52,12 +51,12 @@
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
static NS_DEFINE_IID(kCParserNode, NS_PARSER_NODE_IID);
static NS_DEFINE_CID(kCParserCID NS_PARSER_CID);
static NS_DEFINE_IID(kCParserNode, NS_PARSER_NODE_IID);
static NS_DEFINE_IID(kLoggingSinkCID, NS_LOGGING_SINK_CID);
static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
static NS_DEFINE_CID(kCNavDTDCID, NS_CNAVDTD_CID);
static NS_DEFINE_CID(kCParserCID NS_PARSER_CID);
static NS_DEFINE_CID(kLoggingSinkCID, NS_LOGGING_SINK_CID);
static NS_DEFINE_CID(kExpatDriverCID, NS_EXPAT_DRIVER_CID);
static NS_DEFINE_CID(kCNavDTDCID, NS_CNAVDTD_CID);
class nsParserFactory : public nsIFactory
{
@ -144,8 +143,8 @@ nsresult nsParserFactory::CreateInstance(nsISupports *aOuter,
*aResult = cs;
return rv;
}
else if (mClassID.Equals(kWellFormedDTDCID)) {
nsresult rv = NS_NewWellFormed_DTD((nsIDTD**) &inst);
else if (mClassID.Equals(kExpatDriverCID)) {
nsresult rv = NS_NewExpatDriver((nsIDTD**) &inst);
if (NS_FAILED(rv)) {
return rv;
}

7
htmlparser/src/nsParserModule.cpp
Просмотреть файл

@ -44,7 +44,6 @@
#include "nsIModule.h"
#include "nsParserCIID.h"
#include "nsParser.h"
#include "nsWellFormedDTD.h"
#include "CNavDTD.h"
#include "COtherDTD.h"
#include "COtherDTD.h"
@ -52,22 +51,22 @@
#include "nsHTMLEntities.h"
#include "nsHTMLTokenizer.h"
//#include "nsTextTokenizer.h"
#include "nsExpatTokenizer.h"
#include "nsElementTable.h"
#include "nsParserService.h"
#ifdef NS_DEBUG
#include "nsLoggingSink.h"
#include "nsExpatDriver.h"
#endif
//----------------------------------------------------------------------
#ifdef NS_DEBUG
NS_GENERIC_FACTORY_CONSTRUCTOR(nsLoggingSink)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsExpatDriver)
#endif
NS_GENERIC_FACTORY_CONSTRUCTOR(nsParser)
NS_GENERIC_FACTORY_CONSTRUCTOR(CWellFormedDTD)
NS_GENERIC_FACTORY_CONSTRUCTOR(CNavDTD)
NS_GENERIC_FACTORY_CONSTRUCTOR(COtherDTD)
NS_GENERIC_FACTORY_CONSTRUCTOR(CTransitionalDTD)
@ -78,10 +77,10 @@ static nsModuleComponentInfo gComponents[] = {
#ifdef NS_DEBUG
{ "Logging sink", NS_LOGGING_SINK_CID, NULL, nsLoggingSinkConstructor },
{ "Expat Driver", NS_EXPAT_DRIVER_CID, NULL, nsExpatDriverConstructor },
#endif
{ "Parser", NS_PARSER_CID, NULL, nsParserConstructor },
{ "Well formed DTD", NS_WELLFORMEDDTD_CID, NULL, CWellFormedDTDConstructor },
{ "Navigator HTML DTD", NS_CNAVDTD_CID, NULL, CNavDTDConstructor },
{ "OTHER DTD", NS_COTHER_DTD_CID, NULL, COtherDTDConstructor },
{ "Transitional DTD", NS_CTRANSITIONAL_DTD_CID, NULL,

20
htmlparser/src/nsViewSourceHTML.cpp
Просмотреть файл

@ -713,22 +713,6 @@ NS_IMETHODIMP CViewSourceHTML::DidBuildModel(nsresult anErrorCode,PRBool aNotify
return result;
}
/**
*
* @update gess8/4/98
* @param
* @return
*/
nsTokenAllocator* CViewSourceHTML::GetTokenAllocator(void){
nsITokenizer* theTokenizer=0;
nsresult result=GetTokenizer(theTokenizer);
if (NS_SUCCEEDED(result)) {
return theTokenizer->GetTokenAllocator();
}
return 0;
}
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
@ -767,7 +751,7 @@ nsresult CViewSourceHTML::GetTokenizer(nsITokenizer*& aTokenizer) {
* @param
* @return
*/
NS_IMETHODIMP CViewSourceHTML::WillResumeParse(void){
NS_IMETHODIMP CViewSourceHTML::WillResumeParse(nsIContentSink* aSink){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillResume();
@ -781,7 +765,7 @@ NS_IMETHODIMP CViewSourceHTML::WillResumeParse(void){
* @param
* @return
*/
NS_IMETHODIMP CViewSourceHTML::WillInterruptParse(void){
NS_IMETHODIMP CViewSourceHTML::WillInterruptParse(nsIContentSink* aSink){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillInterrupt();

186
htmlparser/src/nsViewSourceHTML.h
Просмотреть файл

@ -53,128 +53,11 @@ class CViewSourceHTML: public nsIDTD
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
/**
*
*
* @update gess 4/9/98
* @param
* @return
*/
CViewSourceHTML();
/**
*
*
* @update gess 4/9/98
* @param
* @return
*/
virtual ~CViewSourceHTML();
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;
/**
* Call this method if you want the DTD to construct a clone of itself.
* @update gess7/23/98
* @param
* @return
*/
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);
/**
* This method is called to determine if the given DTD can parse
* a document in a given source-type.
* NOTE: Parsing always assumes that the end result will involve
* storing the result in the main content model.
* @update gess6/24/98
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
nsITokenObserver* anObserver = nsnull,
nsIContentSink* aSink = nsnull);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param anErrorCode contans the last error that occured
* @return error code
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink = nsnull);
/**
*
* @update gess 3/25/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);
/**
*
* @update gess 12/20/99
* @param ptr-ref to (out) tokenizer
* @return nsresult
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
/**
*
* @update gess12/28/98
* @param
* @return
*/
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void);
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHOD WillResumeParse(void);
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHOD WillInterruptParse(void);
/**
* Set this to TRUE if you want the DTD to verify its
* context stack.
@ -184,61 +67,20 @@ public:
*/
virtual void SetVerification(PRBool aEnable);
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD Terminate(nsIParser* aParser = nsnull);
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const;
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const;
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const;
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const;
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const;
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;
private:
nsresult WriteTag(PRInt32 tagType,const nsAReadableString &aText,PRInt32 attrCount,PRBool aNewlineRequired);
nsresult WriteTagWithError(PRInt32 tagType,const nsAReadableString& aToken,PRInt32 attrCount,PRBool aNewlineRequired);
void AddContainmentError(eHTMLTags aChild,eHTMLTags aParent,PRInt32 aLineNumber);
nsresult WriteTag(PRInt32 tagType,
const nsAReadableString &aText,
PRInt32 attrCount,
PRBool aNewlineRequired);
nsresult WriteTagWithError(PRInt32 tagType,
const nsAReadableString& aToken,
PRInt32 attrCount,
PRBool aNewlineRequired);
void AddContainmentError(eHTMLTags aChild,
eHTMLTags aParent,
PRInt32 aLineNumber);
nsresult WriteAttributes(PRInt32 attrCount);
nsresult GenerateSummary();

788
htmlparser/src/nsWellFormedDTD.cpp
Просмотреть файл

@ -1,788 +0,0 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/**
* MODULE NOTES:
* @update gess 4/8/98
*
*
*/
#include "nsWellFormedDTD.h"
#include "nsCRT.h"
#include "nsParser.h"
#include "nsScanner.h"
#include "nsIParser.h"
#include "nsDTDUtils.h"
#include "nsIContentSink.h"
#include "nsIHTMLContentSink.h"
#include "nsHTMLTokenizer.h"
#include "nsExpatTokenizer.h"
#include "prenv.h" //this is here for debug reasons...
#include "prtypes.h" //this is here for debug reasons...
#include "prio.h"
#include "plstr.h"
#include "prprf.h"
#include "prmem.h"
#include "nsSpecialSystemDirectory.h"
#include <ctype.h> // toupper()
#include "nsString.h"
#include "nsReadableUtils.h"
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
static NS_DEFINE_IID(kClassIID, NS_WELLFORMED_DTD_IID);
/**
* This method gets called as part of our COM-like interfaces.
* Its purpose is to create an interface to parser object
* of some type.
*
* @update gess 4/8/98
* @param nsIID id of object to discover
* @param aInstancePtr ptr to newly discovered interface
* @return NS_xxx result code
*/
nsresult CWellFormedDTD::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if(aIID.Equals(kISupportsIID)) { //do IUnknown...
*aInstancePtr = (nsIDTD*)(this);
}
else if(aIID.Equals(kIDTDIID)) { //do IParser base class...
*aInstancePtr = (nsIDTD*)(this);
}
else if(aIID.Equals(kClassIID)) { //do this class...
*aInstancePtr = (CWellFormedDTD*)(this);
}
else {
*aInstancePtr=0;
return NS_NOINTERFACE;
}
NS_ADDREF_THIS();
return NS_OK;
}
/**
* This method is defined in nsIParser. It is used to
* cause the COM-like construction of an nsParser.
*
* @update gess 4/8/98
* @param nsIParser** ptr to newly instantiated parser
* @return NS_xxx error result
*/
nsresult NS_NewWellFormed_DTD(nsIDTD** aInstancePtrResult)
{
CWellFormedDTD* it = new CWellFormedDTD();
if (it == 0) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kClassIID, (void **) aInstancePtrResult);
}
NS_IMPL_ADDREF(CWellFormedDTD)
NS_IMPL_RELEASE(CWellFormedDTD)
/**
* Default constructor
*
* @update gess 4/9/98
* @param
* @return
*/
CWellFormedDTD::CWellFormedDTD() : nsIDTD() {
NS_INIT_REFCNT();
mParser=0;
mSink=0;
mLineNumber=1;
mTokenizer=0;
mDTDState=NS_OK;
}
/**
* Default destructor
*
* @update gess 4/9/98
* @param
* @return
*/
CWellFormedDTD::~CWellFormedDTD(){
mParser=0; //just to prove we destructed...
NS_IF_RELEASE(mTokenizer);
}
/**
*
* @update gess1/8/99
* @param
* @return
*/
const nsIID& CWellFormedDTD::GetMostDerivedIID(void) const{
return kClassIID;
}
/**
* Call this method if you want the DTD to construct a fresh
* instance of itself.
* @update gess7/23/98
* @param
* @return
*/
nsresult CWellFormedDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
return NS_NewWellFormed_DTD(aInstancePtrResult);
}
/**
* This method is called to determine if the given DTD can parse
* a document in a given source-type.
* NOTE: Parsing always assumes that the end result will involve
* storing the result in the main content model.
* @update gess6/24/98
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
NS_IMETHODIMP_(eAutoDetectResult)
CWellFormedDTD::CanParse(CParserContext& aParserContext,
const nsString& aBuffer, PRInt32 aVersion)
{
eAutoDetectResult result=eUnknownDetect;
if(eViewSource!=aParserContext.mParserCommand) {
if(aParserContext.mMimeType.EqualsWithConversion(kXMLTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXHTMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kRDFTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXULTextContentType)
#ifdef MOZ_SVG
|| aParserContext.mMimeType.Equals(NS_LITERAL_STRING(kSVGTextContentType))
#endif
) {
result=ePrimaryDetect;
}
else if (aParserContext.mMimeType.IsEmpty()) {
nsAReadableString::const_iterator iter, end;
aBuffer.BeginReading(iter);
aBuffer.EndReading(end);
if (FindInReadable(NS_LITERAL_STRING("<?xml "), iter, end)) {
aParserContext.SetMimeType(NS_ConvertASCIItoUCS2(kXMLTextContentType));
result=eValidDetect;
}
}
}
return result;
}
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
nsresult CWellFormedDTD::WillBuildModel( const CParserContext& aParserContext,nsIContentSink* aSink){
nsresult result=NS_OK;
mFilename=aParserContext.mScanner->GetFilename();
mSink=aSink;
if((!aParserContext.mPrevContext) && (mSink)) {
mLineNumber=1;
result = mSink->WillBuildModel();
#if 0
/* COMMENT OUT THIS BLOCK IF: you aren't using an nsHTMLContentSink...*/
{
//now let's automatically open the html...
CStartToken theHTMLToken(eHTMLTag_html);
nsCParserNode theHTMLNode(&theHTMLToken,0);
mSink->OpenHTML(theHTMLNode);
//now let's automatically open the body...
CStartToken theBodyToken(eHTMLTag_body);
nsCParserNode theBodyNode(&theBodyToken,0);
mSink->OpenBody(theBodyNode);
}
/* COMMENT OUT THIS BLOCK IF: you aren't using an nsHTMLContentSink...*/
#endif
}
return result;
}
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess 1/4/99
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHODIMP CWellFormedDTD::BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver,nsIContentSink* aSink) {
nsresult result=NS_OK;
if(aTokenizer) {
nsHTMLTokenizer* oldTokenizer=mTokenizer;
mTokenizer=(nsHTMLTokenizer*)aTokenizer;
while(NS_SUCCEEDED(result)){
if(mDTDState!=NS_ERROR_HTMLPARSER_STOPPARSING) {
CToken* theToken=mTokenizer->PopToken();
if(theToken) {
result=HandleToken(theToken,aParser);
if(NS_SUCCEEDED(result) || (NS_ERROR_HTMLPARSER_BLOCK==result)) {
IF_FREE(theToken, mTokenizer->GetTokenAllocator());
}
else {
// if(NS_ERROR_HTMLPARSER_BLOCK!=result){
mTokenizer->PushTokenFront(theToken);
}
}
else break;
}
else result=mDTDState;
}//while
mTokenizer=oldTokenizer;
}
else result=NS_ERROR_HTMLPARSER_BADTOKENIZER;
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP CWellFormedDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink){
nsresult result= NS_OK;
//ADD CODE HERE TO CLOSE OPEN CONTAINERS...
if(aParser){
mSink=aParser->GetContentSink();
if((aNotifySink) && (mSink)) {
result = mSink->DidBuildModel(1);
#if 0
/* COMMENT OUT THIS BLOCK IF: you aren't using an nsHTMLContentSink...*/
{
nsIHTMLContentSink* mSink=(nsIHTMLContentSink*)mSink;
//now let's automatically open the body...
CEndToken theBodyToken(eHTMLTag_body);
nsCParserNode theBodyNode(&theBodyToken,0);
mSink->CloseBody(theBodyNode);
//now let's automatically open the html...
CEndToken theHTMLToken(eHTMLTag_html);
nsCParserNode theHTMLNode(&theBodyToken,0);
mSink->CloseHTML(theBodyNode);
}
/* COMMENT OUT THIS BLOCK IF: you aren't using an nsHTMLContentSink...*/
#endif
}
}
return result;
}
/**
*
* @update gess8/4/98
* @param
* @return
*/
nsTokenAllocator* CWellFormedDTD::GetTokenAllocator(void){
nsITokenizer* theTokenizer=0;
nsresult result=GetTokenizer(theTokenizer);
if (NS_SUCCEEDED(result)) {
return theTokenizer->GetTokenAllocator();
}
return 0;
}
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method. Here we process only
* the "error" token.
*
* @update harishd 07/22/99
* @param aParser - Parser that exists.
* @return NS_ERROR_HTMLPARSER_STOPPARSING or the appropriate error.
*/
nsresult CWellFormedDTD::Terminate(nsIParser* aParser)
{
nsresult result=NS_OK;
if(mTokenizer) {
nsTokenAllocator* theAllocator=mTokenizer->GetTokenAllocator();
if(theAllocator) {
eHTMLTokenTypes theType=eToken_unknown;
mDTDState=NS_ERROR_HTMLPARSER_STOPPARSING;
while(result==NS_OK){
CToken* theToken=mTokenizer->PopToken();
if(theToken) {
theType=(eHTMLTokenTypes)theToken->GetTokenType();
if(theType==eToken_error) {
result=HandleToken(theToken,aParser);
}
IF_FREE(theToken, mTokenizer->GetTokenAllocator());
}
else break;
}//while
}//if
}//if
result=(NS_SUCCEEDED(result))? mDTDState:result;
return result;
}
/**
* Retrieve the preferred tokenizer for use by this DTD.
* @update gess12/28/98
* @param none
* @return ptr to tokenizer
*/
nsresult CWellFormedDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
nsresult result=NS_OK;
if(!mTokenizer) {
mTokenizer=(nsHTMLTokenizer*)new nsExpatTokenizer(&mFilename);
NS_IF_ADDREF(mTokenizer);
}
aTokenizer=mTokenizer;
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP CWellFormedDTD::WillResumeParse(void){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillResume();
}
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP CWellFormedDTD::WillInterruptParse(void){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillInterrupt();
}
return result;
}
/**
* Called by the parser to enable/disable dtd verification of the
* internal context stack.
* @update gess 7/23/98
* @param
* @return
*/
void CWellFormedDTD::SetVerification(PRBool aEnabled){
}
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
PRBool CWellFormedDTD::CanContain(PRInt32 aParent,PRInt32 aChild) const{
PRBool result=PR_TRUE;
return result;
}
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHODIMP
CWellFormedDTD::StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP_(const PRUnichar *)
CWellFormedDTD::IntTagToStringTag(PRInt32 aIntTag) const
{
return nsnull;
}
NS_IMETHODIMP
CWellFormedDTD::ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
PRBool CWellFormedDTD::IsContainer(PRInt32 aTag) const{
PRBool result=PR_TRUE;
return result;
}
/**
*
* @update vidur 11/12/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHODIMP CWellFormedDTD::HandleToken(CToken* aToken,nsIParser* aParser) {
nsresult result=NS_OK;
CHTMLToken* theToken= (CHTMLToken*)(aToken);
eHTMLTokenTypes theType= (eHTMLTokenTypes)theToken->GetTokenType();
mParser=(nsParser*)aParser;
mSink=aParser->GetContentSink();
switch(theType) {
case eToken_newline:
mLineNumber++; //now fall through
case eToken_entity:
case eToken_whitespace:
case eToken_text:
case eToken_cdatasection:
case eToken_markupDecl:
result=HandleLeafToken(aToken);
break;
case eToken_comment:
result=HandleCommentToken(aToken);
break;
case eToken_instruction:
result=HandleProcessingInstructionToken(aToken);
break;
case eToken_start:
result=HandleStartToken(aToken);
break;
case eToken_end:
result=HandleEndToken(aToken);
break;
case eToken_error:
result=HandleErrorToken(aToken);
break;
case eToken_doctypeDecl:
result=HandleDocTypeDeclToken(aToken);
break;
case eToken_style:
case eToken_skippedcontent:
default:
result=NS_OK;
}//switch
return result;
}
/**
* This method gets called when a leaf token has been
* encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleLeafToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result= (mSink)? mSink->AddLeaf(theNode):NS_OK;
return result;
}
/**
* This method gets called when a comment token has been
* encountered in the parse process. Here we also make sure
* to count the newlines in the comment.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleCommentToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
CCommentToken* theToken = (CCommentToken*)aToken;
mLineNumber += CountCharInReadable(theToken->GetStringValue(),
PRUnichar(kNewLine));
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result=(mSink)? mSink->AddComment(theNode):NS_OK;
return result;
}
/**
* This method gets called when a prcessing instruction
* has been encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleProcessingInstructionToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result=(mSink)? mSink->AddProcessingInstruction(theNode):NS_OK;
return result;
}
/**
* This method gets called when a start token has been
* encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next (start) token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleStartToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
PRInt16 attrCount=aToken->GetAttributeCount();
if(0<attrCount){ //go collect the attributes...
int attr=0;
for(attr=0;attr<attrCount;attr++){
CToken* theInnerToken= (mTokenizer)? mTokenizer->PeekToken():nsnull;
if(theInnerToken) {
eHTMLTokenTypes theInnerType=eHTMLTokenTypes(theInnerToken->GetTokenType());
if(eToken_attribute==theInnerType){
mTokenizer->PopToken(); //pop it for real...
theNode.AddAttribute(theInnerToken);
}
}
else return kEOF;
}
}
// Pass the ID Attribute atom from the start token to the parser node
CStartToken* startToken = NS_STATIC_CAST(CStartToken *, aToken);
nsCOMPtr<nsIAtom> IDAttr=nsnull;
result = startToken->GetIDAttributeAtom(getter_AddRefs(IDAttr));
if (IDAttr && NS_SUCCEEDED(result))
result = theNode.SetIDAttributeAtom(IDAttr);
if(NS_OK==result){
if(mSink) {
result=mSink->OpenContainer(theNode);
if(((CStartToken*)aToken)->IsEmpty()){
result=mSink->CloseContainer(theNode);
}
}
}
return result;
}
/**
* This method gets called when an end token has been
* encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next (end) token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleEndToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result=(mSink)? mSink->CloseContainer(theNode):NS_OK;
return result;
}
/**
* This method gets called when an error token has been
* encountered in the parse process.
* FYI: when the document is malformed this is the only
* token that will get reported to the content sink.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleErrorToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
if(mTokenizer) {
// Cycle through the remaining tokens in the token stream and handle them
// These tokens were added so that content objects for the error message
// are generated by the content sink
while (PR_TRUE) {
CToken* token = mTokenizer->PopToken();
if(token) {
eHTMLTokenTypes type = (eHTMLTokenTypes) token->GetTokenType();
switch(type) {
case eToken_newline:
mLineNumber++; //now fall through
case eToken_whitespace:
case eToken_text:
HandleLeafToken(token);
break;
case eToken_start:
HandleStartToken(token);
break;
case eToken_end:
HandleEndToken(token);
break;
default:
// Do nothing
break;
}
IF_FREE(token, mTokenizer->GetTokenAllocator());
}
else
break;
}
}
// Propagate the error onto the content sink.
CErrorToken *errTok = (CErrorToken *)aToken;
const nsParserError* error = errTok->GetError();
result=(mSink)? mSink->NotifyError(error):NS_OK;
// Output the error to the console
if (error) {
nsCAutoString temp;
temp.AssignWithConversion(mFilename);
PR_fprintf(PR_STDOUT, "XML Error in file '%s', ", temp.get());
PR_fprintf(PR_STDOUT, "Line Number: %d, ", error->lineNumber);
PR_fprintf(PR_STDOUT, "Col Number: %d, ", error->colNumber);
temp.AssignWithConversion(error->description);
PR_fprintf(PR_STDOUT, "Description: %s\n", temp.get());
temp.AssignWithConversion(error->sourceLine);
PR_fprintf(PR_STDOUT, "Source Line: %s\n", temp.get());
}
return result;
}
/**
* This method gets called when a doc. type token has been
* encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleDocTypeDeclToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result = (mSink)? mSink->AddDocTypeDecl(theNode, 0):NS_OK;
return result;
}

271
htmlparser/src/nsWellFormedDTD.h
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@ -1,271 +0,0 @@
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/**
* MODULE NOTES:
* @update gess 4/8/98
*
*
*/
#ifndef __NS_WELLFORMED_DTD
#define __NS_WELLFORMED_DTD
#include "nsIDTD.h"
#include "nsISupports.h"
#include "nsHTMLTokens.h"
#include "nsIContentSink.h"
#define NS_WELLFORMED_DTD_IID \
{0xa39c6bfd, 0x15f0, 0x11d2, \
{0x80, 0x41, 0x0, 0x10, 0x4b, 0x98, 0x3f, 0xd4}}
class nsIDTDDebug;
class nsIParserNode;
class nsParser;
class nsHTMLTokenizer;
class CWellFormedDTD : public nsIDTD
{
public:
NS_DECL_ISUPPORTS
/**
*
*
* @update gess 4/9/98
* @param
* @return
*/
CWellFormedDTD();
/**
*
*
* @update gess 4/9/98
* @param
* @return
*/
virtual ~CWellFormedDTD();
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;
/**
* Call this method if you want the DTD to construct a clone of itself.
* @update gess7/23/98
* @param
* @return
*/
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);
/**
* This method is called to determine if the given DTD can parse
* a document in a given source-type.
* NOTE: Parsing always assumes that the end result will involve
* storing the result in the main content model.
* @update gess6/24/98
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
nsITokenObserver* anObserver = nsnull,
nsIContentSink* aSink = nsnull);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param anErrorCode contans the last error that occured
* @return error code
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink = nsnull);
/**
*
* @update gess 3/25/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHOD HandleToken(CToken* aToken, nsIParser* aParser);
/**
*
* @update gess 12/20/99
* @param ptr-ref to (out) tokenizer
* @return nsresult
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHOD WillResumeParse(void);
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHOD WillInterruptParse(void);
/**
* Set this to TRUE if you want the DTD to verify its
* context stack.
* @update gess 7/23/98
* @param
* @return
*/
virtual void SetVerification(PRBool aEnable);
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent, PRInt32 aChild) const;
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;
/**
* Retrieve a ptr to the global token recycler...
* @update gess8/4/98
* @return ptr to recycler (or null)
*/
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void);
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD Terminate(nsIParser* aParser = nsnull);
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const;
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const;
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const;
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const
{
return PR_FALSE;
}
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const
{
return PR_FALSE;
}
protected:
/*
NS_IMETHODIMP ConsumeTag(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeStartTag(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeText(const nsString& aString,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeNewline(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeWhitespace(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeEscapedContent(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeComment(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeEntity(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeAttributes(PRUnichar aChar,nsScanner& aScanner,CStartToken* aToken);
*/
nsresult HandleStartToken(CToken* aToken);
nsresult HandleEndToken(CToken* aToken);
nsresult HandleCommentToken(CToken* aToken);
nsresult HandleErrorToken(CToken* aToken);
nsresult HandleDocTypeDeclToken(CToken* aToken);
nsresult HandleLeafToken(CToken* aToken);
nsresult HandleProcessingInstructionToken(CToken* aToken);
nsParser* mParser;
nsIContentSink* mSink;
nsString mFilename;
PRInt32 mLineNumber;
nsHTMLTokenizer* mTokenizer;
nsresult mDTDState;
};
extern nsresult NS_NewWellFormed_DTD(nsIDTD** aInstancePtrResult);
#endif

63
parser/expat/lib/xmlparse.c
Просмотреть файл

@ -285,6 +285,7 @@ typedef struct {
const char *m_bufferPtr;
/* past last character to be parsed */
char *m_bufferEnd;
/* allocated end of buffer */
const char *m_bufferLim;
long m_parseEndByteIndex;
@ -345,6 +346,7 @@ typedef struct {
int m_attsSize;
int m_nSpecifiedAtts;
int m_idAttIndex;
int m_blocked;
ATTRIBUTE *m_atts;
POSITION m_position;
STRING_POOL m_tempPool;
@ -357,6 +359,7 @@ typedef struct {
enum XML_ParamEntityParsing m_paramEntityParsing;
XML_Parser m_parentParser;
#endif
const XML_Char* m_mismatch;
} Parser;
#define userData (((Parser *)parser)->m_userData)
@ -426,12 +429,14 @@ typedef struct {
#define attsSize (((Parser *)parser)->m_attsSize)
#define nSpecifiedAtts (((Parser *)parser)->m_nSpecifiedAtts)
#define idAttIndex (((Parser *)parser)->m_idAttIndex)
#define blocked (((Parser *)parser)->m_blocked)
#define tempPool (((Parser *)parser)->m_tempPool)
#define temp2Pool (((Parser *)parser)->m_temp2Pool)
#define groupConnector (((Parser *)parser)->m_groupConnector)
#define groupSize (((Parser *)parser)->m_groupSize)
#define hadExternalDoctype (((Parser *)parser)->m_hadExternalDoctype)
#define namespaceSeparator (((Parser *)parser)->m_namespaceSeparator)
#define mismatch (((Parser *)parser)->m_mismatch)
#ifdef XML_DTD
#define parentParser (((Parser *)parser)->m_parentParser)
#define paramEntityParsing (((Parser *)parser)->m_paramEntityParsing)
@ -526,6 +531,7 @@ XML_Parser XML_ParserCreate(const XML_Char *encodingName)
dataBufEnd = dataBuf + INIT_DATA_BUF_SIZE;
XmlInitEncoding(&initEncoding, &encoding, 0);
internalEncoding = XmlGetInternalEncoding();
blocked = 0;
return parser;
}
@ -737,6 +743,22 @@ int XML_GetIdAttributeIndex(XML_Parser parser)
return idAttIndex;
}
void XML_BlockParser(XML_Parser parser)
{
blocked = 1;
}
void XML_UnblockParser(XML_Parser parser)
{
blocked = 0;
}
const
XML_Char* XML_GetMismatchedTag(XML_Parser parser)
{
return mismatch;
}
void XML_SetElementHandler(XML_Parser parser,
XML_StartElementHandler start,
XML_EndElementHandler end)
@ -866,6 +888,11 @@ int XML_SetParamEntityParsing(XML_Parser parser,
int XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
{
if (blocked) {
// First unblock parser
return 0;
}
if (len == 0) {
if (!isFinal)
return 1;
@ -893,7 +920,11 @@ int XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
errorCode = processor(parser, s, parseEndPtr = s + len, &end);
if (errorCode != XML_ERROR_NONE) {
eventEndPtr = eventPtr;
processor = errorProcessor;
if (blocked) {
parseEndPtr = eventEndPtr;
parseEndByteIndex -= len - (eventPtr - s); // This is how much we've red thus far
XmlUpdatePosition(encoding, positionPtr, eventEndPtr, &position);
}
return 0;
}
XmlUpdatePosition(encoding, positionPtr, end, &position);
@ -1372,12 +1403,15 @@ doContent(XML_Parser parser,
if (nextPtr)
tag->rawName = tag->buf;
}
*toPtr = XML_T('\0');
*toPtr = XML_T('\0');
result = storeAtts(parser, enc, s, &(tag->name), &(tag->bindings));
if (result)
return result;
startElementHandler(handlerArg, tag->name.str, (const XML_Char **)atts);
poolClear(&tempPool);
if (blocked) {
return XML_ERROR_PARSER_BLOCKED;
}
}
else {
tag->name.str = 0;
@ -1408,12 +1442,19 @@ doContent(XML_Parser parser,
if (result)
return result;
poolFinish(&tempPool);
if (startElementHandler)
if (startElementHandler) {
startElementHandler(handlerArg, name.str, (const XML_Char **)atts);
if (blocked) {
return XML_ERROR_PARSER_BLOCKED;
}
}
if (endElementHandler) {
if (startElementHandler)
*eventPP = *eventEndPP;
endElementHandler(handlerArg, name.str);
if (blocked) {
return XML_ERROR_PARSER_BLOCKED;
}
}
poolClear(&tempPool);
while (bindings) {
@ -1446,6 +1487,7 @@ doContent(XML_Parser parser,
if (len != tag->rawNameLength
|| memcmp(tag->rawName, rawName, len) != 0) {
*eventPP = rawName;
mismatch = tag->name.str;
return XML_ERROR_TAG_MISMATCH;
}
--tagLevel;
@ -1457,6 +1499,9 @@ doContent(XML_Parser parser,
;
}
endElementHandler(handlerArg, tag->name.str);
if (blocked) {
return XML_ERROR_PARSER_BLOCKED;
}
}
else if (defaultHandler)
reportDefault(parser, enc, s, next);
@ -2684,8 +2729,13 @@ doProlog(XML_Parser parser,
case XML_ROLE_NONE:
switch (tok) {
case XML_TOK_PI:
if (!reportProcessingInstruction(parser, enc, s, next))
return XML_ERROR_NO_MEMORY;
if (!reportProcessingInstruction(parser, enc, s, next)) {
if (blocked) {
eventPtr = next;
return XML_ERROR_PARSER_BLOCKED;
}
return XML_ERROR_NO_MEMORY;
}
break;
case XML_TOK_COMMENT:
if (!reportComment(parser, enc, s, next))
@ -3103,6 +3153,9 @@ reportProcessingInstruction(XML_Parser parser, const ENCODING *enc, const char *
normalizeLines(data);
processingInstructionHandler(handlerArg, target, data);
poolClear(&tempPool);
if (blocked) {
return 0;
}
return 1;
}

13
parser/expat/lib/xmlparse.h
Просмотреть файл

@ -72,11 +72,11 @@ XML_ParserCreateNS(const XML_Char *encoding, XML_Char namespaceSeparator);
/* atts is array of name/value pairs, terminated by 0;
names and values are 0 terminated. */
typedef void (*XML_StartElementHandler)(void *userData,
typedef int (*XML_StartElementHandler)(void *userData,
const XML_Char *name,
const XML_Char **atts);
typedef void (*XML_EndElementHandler)(void *userData,
typedef int (*XML_EndElementHandler)(void *userData,
const XML_Char *name);
/* s is not 0 terminated. */
@ -85,7 +85,7 @@ typedef void (*XML_CharacterDataHandler)(void *userData,
int len);
/* target and data are 0 terminated */
typedef void (*XML_ProcessingInstructionHandler)(void *userData,
typedef int (*XML_ProcessingInstructionHandler)(void *userData,
const XML_Char *target,
const XML_Char *data);
@ -401,6 +401,10 @@ attribute/value pair counts as 2; thus this correspondds to an index
into the atts array passed to the XML_StartElementHandler. */
int XMLPARSEAPI XML_GetIdAttributeIndex(XML_Parser parser);
void XMLPARSEAPI XML_BlockParser(XML_Parser parser);
void XMLPARSEAPI XML_UnblockParser(XML_Parser parser);
const XML_Char* XMLPARSEAPI XML_GetMismatchedTag(XML_Parser parser);
/* Parses some input. Returns 0 if a fatal error is detected.
The last call to XML_Parse must have isFinal true;
len may be zero for this call (or any other). */
@ -483,7 +487,8 @@ enum XML_Error {
XML_ERROR_INCORRECT_ENCODING,
XML_ERROR_UNCLOSED_CDATA_SECTION,
XML_ERROR_EXTERNAL_ENTITY_HANDLING,
XML_ERROR_NOT_STANDALONE
XML_ERROR_NOT_STANDALONE,
XML_ERROR_PARSER_BLOCKED
};
/* If XML_Parse or XML_ParseBuffer have returned 0, then XML_GetErrorCode

40
parser/htmlparser/macbuild/htmlparser.xml
Просмотреть файл

@ -990,13 +990,6 @@
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsDebugRobot.cpp</PATH>
@ -1090,7 +1083,7 @@
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
@ -1201,11 +1194,6 @@
<PATH>nsHTMLTags.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsDebugRobot.cpp</PATH>
@ -1248,7 +1236,7 @@
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
@ -2238,13 +2226,6 @@
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsDebugRobot.cpp</PATH>
@ -2331,7 +2312,7 @@
</FILE>
<FILE>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
<FILEKIND>Text</FILEKIND>
<FILEFLAGS>Debug</FILEFLAGS>
@ -2437,11 +2418,6 @@
<PATH>nsHTMLTags.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsDebugRobot.cpp</PATH>
@ -2479,7 +2455,7 @@
</FILEREF>
<FILEREF>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
@ -2625,7 +2601,7 @@
<FILEREF>
<TARGETNAME>htmlparserDebug.shlb</TARGETNAME>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsExpatTokenizer.cpp</PATH>
<PATH>nsExpatDriver.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
@ -2664,12 +2640,6 @@
<PATH>nsHTMLEntities.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<TARGETNAME>htmlparserDebug.shlb</TARGETNAME>
<PATHTYPE>Name</PATHTYPE>
<PATH>nsWellFormedDTD.cpp</PATH>
<PATHFORMAT>MacOS</PATHFORMAT>
</FILEREF>
<FILEREF>
<TARGETNAME>htmlparserDebug.shlb</TARGETNAME>
<PATHTYPE>Name</PATHTYPE>

0
parser/htmlparser/public/MANIFEST_IDL Normal file
Просмотреть файл

5
parser/htmlparser/public/Makefile.in
Просмотреть файл

@ -28,10 +28,13 @@ include $(DEPTH)/config/autoconf.mk
MODULE = htmlparser
XPIDLSRCS = \
nsIExpatSink.idl \
$(NULL)
EXPORTS = \
nsIContentSink.h \
nsITokenizer.h \
nsIExpatTokenizer.h \
nsIHTMLContentSink.h \
nsIHTMLFragmentContentSink.h\
nsIParserNode.h \

49
parser/htmlparser/public/makefile.win
Просмотреть файл

@ -1,49 +0,0 @@
#!nmake
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
DEPTH=..\..
MODULE = htmlparser
EXPORTS = \
nsITokenizer.h \
nsIExpatTokenizer.h \
nsIContentSink.h \
nsIHTMLContentSink.h \
nsIHTMLFragmentContentSink.h\
nsIParserNode.h \
nsIParser.h \
nsIParserFilter.h \
nsIDTD.h \
nsIElementObserver.h \
nsIParserService.h \
nsHTMLTagList.h \
nsHTMLTags.h \
nsHTMLTokens.h \
nsParserError.h \
nsParserCIID.h \
nsToken.h \
!ifdef MOZ_DEBUG
nsILoggingSink.h \
!endif
$(NULL)
include <$(DEPTH)\config\rules.mak>

77
parser/htmlparser/public/nsIContentSink.h
Просмотреть файл

@ -49,10 +49,8 @@
* content-sink model building process. There is another one that you may care
* about more, which is the IHTMLContentSink interface. (See that file for details).
*/
#include "nsIParserNode.h"
#include "nsISupports.h"
#include "nsParserError.h"
#include "nsString.h"
class nsIParser;
@ -113,79 +111,6 @@ public:
*/
NS_IMETHOD SetParser(nsIParser* aParser)=0;
/**
* This method is used to open a generic container in the sink.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD OpenContainer(const nsIParserNode& aNode) = 0;
/**
* This method gets called by the parser when a close
* container tag has been consumed and needs to be closed.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD CloseContainer(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddLeaf(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddComment(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode) = 0;
/**
* This method is called by the parser when it encounters
* a document type declaration.
*
* XXX Should the parser also part the internal subset?
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode)=0;
/**
* This gets called by the parser if it hits an unrecoverable
* error (in XML, if the document is not well-formed or valid).
*
* @param aErrorResult the error code
*/
NS_IMETHOD NotifyError(const nsParserError* aError)=0;
/**
* This gets called by the parser to notify observers of
* the tag
*
* @param aErrorResult the error code
*/
NS_IMETHOD NotifyTagObservers(nsIParserNode* aNode)=0;
/**
* Flush all pending notifications so that the content model
* is in sync with the state of the sink.

38
parser/htmlparser/public/nsIDTD.h
Просмотреть файл

@ -89,6 +89,7 @@ public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDTD_IID)
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const = 0;
/**
@ -113,13 +114,6 @@ public:
const nsString& aBuffer,
PRInt32 aVersion) = 0;
/**
* Called by the parser just before the parsing process begins
* @update gess5/18/98
* @param aFilename--string that contains name of file being parsed
* (if applicable)
* @return
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink=0) = 0;
@ -157,13 +151,11 @@ public:
/**
*
* @update gess 12/20/99
* @update gess 12/20/99
* @param ptr-ref to (out) tokenizer
* @return nsresult
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer) = 0;
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void) = 0;
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer) = 0;
/**
* If the parse process gets interrupted midway, this method is
@ -171,7 +163,7 @@ public:
* @update gess5/18/98
* @return ignored
*/
NS_IMETHOD WillResumeParse(void) = 0;
NS_IMETHOD WillResumeParse(nsIContentSink* aSink = 0) = 0;
/**
* If the parse process gets interrupted, this method is called by
@ -179,7 +171,7 @@ public:
* @update gess5/18/98
* @return ignored
*/
NS_IMETHOD WillInterruptParse(void) = 0;
NS_IMETHOD WillInterruptParse(nsIContentSink* aSink = 0) = 0;
/**
* This method is called to determine whether or not a tag of one
@ -234,8 +226,28 @@ public:
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const = 0;
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const = 0;
};
#define NS_DECL_NSIDTD \
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;\
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);\
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext, const nsString& aBuffer, PRInt32 aVersion);\
NS_IMETHOD WillBuildModel( const CParserContext& aParserContext,nsIContentSink* aSink=0);\
NS_IMETHOD DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink=0);\
NS_IMETHOD BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver=0,nsIContentSink* aSink=0);\
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);\
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);\
NS_IMETHOD WillResumeParse(nsIContentSink* aSink = 0);\
NS_IMETHOD WillInterruptParse(nsIContentSink* aSink = 0);\
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;\
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;\
NS_IMETHOD_(nsresult) Terminate(nsIParser* aParser=nsnull);\
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag, PRInt32* aIntTag) const ;\
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const ;\
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity, PRInt32* aUnicode) const ;\
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,PRInt32 aParentID) const;\
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,PRInt32 aParentID) const;
#endif /* nsIDTD_h___ */

67
parser/htmlparser/public/nsIExpatSink.idl Normal file
Просмотреть файл

@ -0,0 +1,67 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
[scriptable, uuid(1DEEA160-C661-11d5-84CC-0010A4E0C706)]
interface nsIExpatSink : nsISupports
{
void HandleStartElement([const] in wstring aName,
[array, size_is (aAttsCount)] in wstring aAtts,
[const] in unsigned long aAttsCount,
[const] in unsigned long aIndex,
[const] in unsigned long aLineNumber);
void HandleEndElement([const] in wstring aName);
void HandleComment([const] in wstring aName);
void HandleCDataSection([const] in wstring aData,
[const] in unsigned long aLength);
void HandleDoctypeDecl([const] in wstring aDoctype);
void HandleCharacterData([const] in wstring aData,
[const] in unsigned long aLength);
void HandleProcessingInstruction([const] in wstring aTarget,
[const] in wstring aData);
void ReportError([const] in wstring aErrorText,
[const] in wstring aSourceText);
};

65
parser/htmlparser/public/nsIHTMLContentSink.h
Просмотреть файл

@ -271,6 +271,71 @@ public:
*/
NS_IMETHOD DidProcessAToken(void)=0;
/**
* This method is used to open a generic container in the sink.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD OpenContainer(const nsIParserNode& aNode) = 0;
/**
* This method gets called by the parser when a close
* container tag has been consumed and needs to be closed.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD CloseContainer(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddLeaf(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddComment(const nsIParserNode& aNode) = 0;
/**
* This gets called by the parser when you want to add
* a leaf node to the current container in the content
* model.
*
* @update 4/1/98 gess
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode) = 0;
/**
* This method is called by the parser when it encounters
* a document type declaration.
*
* XXX Should the parser also part the internal subset?
*
* @param nsIParserNode reference to parser node interface
*/
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode)=0;
/**
* This gets called by the parser to notify observers of
* the tag
*
* @param aErrorResult the error code
*/
NS_IMETHOD NotifyTagObservers(nsIParserNode* aNode)=0;
};
#ifdef NS_DEBUG

38
parser/htmlparser/public/nsITokenizer.h
Просмотреть файл

@ -70,26 +70,38 @@ public:
Notes:
***************************************************************/
class nsITokenizer : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITOKENIZER_IID)
virtual nsresult WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator)=0;
virtual nsresult ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens)=0;
virtual nsresult DidTokenize(PRBool aIsFinalChunk)=0;
virtual nsTokenAllocator* GetTokenAllocator(void)=0;
NS_IMETHOD WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator)=0;
NS_IMETHOD ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens)=0;
NS_IMETHOD DidTokenize(PRBool aIsFinalChunk)=0;
virtual CToken* PushTokenFront(CToken* aToken)=0;
virtual CToken* PushToken(CToken* aToken)=0;
virtual CToken* PopToken(void)=0;
virtual CToken* PeekToken(void)=0;
virtual PRInt32 GetCount(void)=0;
virtual CToken* GetTokenAt(PRInt32 anIndex)=0;
virtual void PrependTokens(nsDeque& aDeque)=0;
NS_IMETHOD_(CToken*) PushTokenFront(CToken* aToken)=0;
NS_IMETHOD_(CToken*) PushToken(CToken* aToken)=0;
NS_IMETHOD_(CToken*) PopToken(void)=0;
NS_IMETHOD_(CToken*) PeekToken(void)=0;
NS_IMETHOD_(CToken*) GetTokenAt(PRInt32 anIndex)=0;
NS_IMETHOD_(PRInt32) GetCount(void)=0;
NS_IMETHOD_(nsTokenAllocator*) GetTokenAllocator(void)=0;
NS_IMETHOD_(void) PrependTokens(nsDeque& aDeque)=0;
};
#define NS_DECL_NSITOKENIZER \
NS_IMETHOD WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator);\
NS_IMETHOD ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens);\
NS_IMETHOD DidTokenize(PRBool aIsFinalChunk);\
NS_IMETHOD_(CToken*) PushTokenFront(CToken* aToken);\
NS_IMETHOD_(CToken*) PushToken(CToken* aToken);\
NS_IMETHOD_(CToken*) PopToken(void);\
NS_IMETHOD_(CToken*) PeekToken(void);\
NS_IMETHOD_(CToken*) GetTokenAt(PRInt32 anIndex);\
NS_IMETHOD_(PRInt32) GetCount(void);\
NS_IMETHOD_(nsTokenAllocator*) GetTokenAllocator(void);\
NS_IMETHOD_(void) PrependTokens(nsDeque& aDeque);
#endif

8
parser/htmlparser/public/nsParserCIID.h
Просмотреть файл

@ -53,10 +53,6 @@
{0x9039c670, 0x2717, 0x11d2, \
{0x92, 0x46, 0x00, 0x80, 0x5f, 0x8a, 0x7a, 0xb6}}
// {E6FD9941-899D-11d2-8EAE-00805F29F370}
#define NS_WELLFORMEDDTD_CID \
{ 0xe6fd9941, 0x899d, 0x11d2, { 0x8e, 0xae, 0x0, 0x80, 0x5f, 0x29, 0xf3, 0x70 } }
// {a6cf9107-15b3-11d2-932e-00805f8add32}
#define NS_CNAVDTD_CID \
{ 0xa6cf9107, 0x15b3, 0x11d2, { 0x93, 0x2e, 0x0, 0x80, 0x5f, 0x8a, 0xdd, 0x32 } }
@ -81,7 +77,9 @@
#define NS_VIEWSOURCE_DTD_CID \
{ 0x8323fad0, 0x2102, 0x11d4, { 0x81, 0x42, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74 } }
// {FFF4FBE9-528A-4b37-819D-FC18F3A401A7}
#define NS_EXPAT_DRIVER_CID \
{ 0xfff4fbe9, 0x528a, 0x4b37, { 0x81, 0x9d, 0xfc, 0x18, 0xf3, 0xa4, 0x1, 0xa7 } }
// {a6cf910f-15b3-11d2-932e-00805f8add32}
#define NS_HTMLCONTENTSINKSTREAM_CID \

6
parser/htmlparser/robot/nsRobotSink.cpp
Просмотреть файл

@ -92,7 +92,6 @@ public:
NS_IMETHOD GetPref(PRInt32 aTag,PRBool& aPref) { return NS_OK; }
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD CloseTopmostContainer();
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
@ -291,11 +290,6 @@ NS_IMETHODIMP RobotSink::AddLeaf(const nsIParserNode& aNode)
return NS_OK;
}
NS_IMETHODIMP RobotSink::NotifyError(const nsParserError* aError)
{
return NS_OK;
}
/**
* This gets called by the parsing system when we find a comment
* @update gess11/9/98

36
parser/htmlparser/src/CNavDTD.cpp
Просмотреть файл

@ -674,6 +674,12 @@ nsresult CNavDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParse
return result;
}
nsresult
CNavDTD::Terminate(nsIParser* aParser)
{
return mDTDState=NS_ERROR_HTMLPARSER_STOPPARSING;
}
/**
* --- Backwards compatibility ---
* Use this method to determine if the tag in question needs a BODY.
@ -3921,7 +3927,8 @@ nsresult CNavDTD::CreateContextStackFor(eHTMLTags aChildTag){
* @param none
* @return ptr to tokenizer
*/
nsresult CNavDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
NS_IMETHODIMP
CNavDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
nsresult result=NS_OK;
if(!mTokenizer) {
result=NS_NewHTMLTokenizer(&mTokenizer,mDTDMode,mDocType,mParserCommand);
@ -3930,37 +3937,18 @@ nsresult CNavDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
return result;
}
/**
*
* @update gess8/4/98
* @param
* @return
*/
NS_IMETHODIMP_(nsTokenAllocator *)
CNavDTD::GetTokenAllocator(void)
{
if(!mTokenAllocator) {
nsresult result=GetTokenizer(mTokenizer);
if (NS_SUCCEEDED(result)) {
mTokenAllocator=mTokenizer->GetTokenAllocator();
}
}
return mTokenAllocator;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
nsresult CNavDTD::WillResumeParse(void){
nsresult CNavDTD::WillResumeParse(nsIContentSink* aSink){
STOP_TIMER();
MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: CNavDTD::WillResumeParse(), this=%p\n", this));
nsresult result=(mSink) ? mSink->WillResume() : NS_OK;
nsresult result=(aSink) ? aSink->WillResume() : NS_OK;
MOZ_TIMER_DEBUGLOG(("Start: Parse Time: CNavDTD::WillResumeParse(), this=%p\n", this));
START_TIMER();
@ -3974,12 +3962,12 @@ nsresult CNavDTD::WillResumeParse(void){
* @update gess5/18/98
* @return error code
*/
nsresult CNavDTD::WillInterruptParse(void){
nsresult CNavDTD::WillInterruptParse(nsIContentSink* aSink){
STOP_TIMER();
MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: CNavDTD::WillInterruptParse(), this=%p\n", this));
nsresult result=(mSink) ? mSink->WillInterrupt() : NS_OK;
nsresult result=(aSink) ? aSink->WillInterrupt() : NS_OK;
MOZ_TIMER_DEBUGLOG(("Start: Parse Time: CNavDTD::WillInterruptParse(), this=%p\n", this));
START_TIMER();

209
parser/htmlparser/src/CNavDTD.h
Просмотреть файл

@ -126,6 +126,7 @@ class CNavDTD : public nsIDTD
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
/**
* Common constructor for navdtd. You probably want to call
@ -134,115 +135,8 @@ public:
* @update gess 7/9/98
*/
CNavDTD();
/**
* Virtual destructor -- you know what to do
* @update gess 7/9/98
*/
virtual ~CNavDTD();
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;
/**
* Call this method if you want the DTD to construct a clone of itself.
* @update gess7/23/98
* @param
* @return
*/
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);
/**
* This method is called to determine if the given DTD can parse
* a document of a given source-type.
* Note that parsing assumes that the end result will always be stored
* in the main content model. Of course, it's up to you which content-
* model you pass in to the parser, so you can always control the process.
*
* @update gess 7/15/98
* @param aContentType contains the name of a filetype that you are
* being asked to parse).
* @return TRUE if this DTD parse the given type; FALSE otherwise.
*/
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
nsITokenObserver* anObserver = nsnull,
nsIContentSink* aSink = nsnull);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param anErrorCode contans the last error that occured
* @return error code
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink = nsnull);
/**
* This method is called by the parser, once for each token
* that has been constructed during the tokenization phase.
* @update gess 3/25/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);
/**
*
* @update gess12/28/98
* @param
* @return
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
/**
*
* @update gess12/28/98
* @param
* @return
*/
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void);
/**
* If the parse process gets interrupted, this method gets called
* prior to the process resuming.
* @update gess5/18/98
* @return error code -- usually NS_OK (0)
*/
NS_IMETHOD WillResumeParse(void);
/**
* If the parse process is about to be interrupted, this method
* will be called just prior.
* @update gess5/18/98
* @return error code -- usually NS_OK (0)
*/
NS_IMETHOD WillInterruptParse(void);
/**
* This method is called to determine whether or not a tag
@ -253,19 +147,9 @@ public:
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanPropagate(eHTMLTags aParent, eHTMLTags aChild,
PRBool aParentContains) ;
virtual PRBool CanPropagate(eHTMLTags aParent,
eHTMLTags aChild,
PRBool aParentContains) ;
/**
* This method gets called to determine whether a given
@ -277,18 +161,9 @@ public:
* @param aParentContains -- can be 0,1,-1 (false,true, unknown)
* @return PR_TRUE if given tag can be omitted
*/
NS_IMETHOD_(PRBool) CanOmit(eHTMLTags aParent, eHTMLTags aChild,
PRBool& aParentContains);
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;
virtual PRBool CanOmit(eHTMLTags aParent,
eHTMLTags aChild,
PRBool& aParentContains);
/**
* This method tries to design a context map (without actually
@ -300,9 +175,9 @@ public:
* @param aChild -- tag type of child
* @return True if closure was achieved -- other false
*/
NS_IMETHOD_(PRBool) ForwardPropagate(nsString& aSequence,
eHTMLTags aParentTag,
eHTMLTags aChildTag);
virtual PRBool ForwardPropagate(nsString& aSequence,
eHTMLTags aParentTag,
eHTMLTags aChildTag);
/**
* This method tries to design a context map (without actually
@ -313,9 +188,9 @@ public:
* @param aChild -- tag type of child
* @return True if closure was achieved -- other false
*/
NS_IMETHOD_(PRBool) BackwardPropagate(nsString& aSequence,
eHTMLTags aParentTag,
eHTMLTags aChildTag) const;
virtual PRBool BackwardPropagate(nsString& aSequence,
eHTMLTags aParentTag,
eHTMLTags aChildTag) const;
/**
* Attempt forward and/or backward propagation for the given
@ -367,40 +242,6 @@ public:
*/
virtual PRInt32 LastOf(eHTMLTags aTagSet[],PRInt32 aCount) const;
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD Terminate(nsIParser* aParser = nsnull)
{
mDTDState = NS_ERROR_HTMLPARSER_STOPPARSING;
return mDTDState;
}
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const;
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const;
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const;
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const;
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const;
/**
* The following set of methods are used to partially construct
* the content model (via the sink) according to the type of token.
@ -489,7 +330,6 @@ public:
nsresult DoFragment(PRBool aFlag);
protected:
nsresult CollectAttributes(nsIParserNode& aNode,eHTMLTags aTag,PRInt32 aCount);
@ -502,26 +342,31 @@ protected:
nsDeque mMisplacedContent;
nsDeque mSkippedContent;
nsIHTMLContentSink* mSink;
nsTokenAllocator* mTokenAllocator;
nsDTDContext* mBodyContext;
nsDTDContext* mTempContext;
PRInt32 mOpenHeadCount;
PRInt32 mOpenMapCount;
PRInt32 mOpenFormCount;
nsParser* mParser;
nsITokenizer* mTokenizer;
nsString mFilename;
nsString mScratch; //used for various purposes; non-persistent
nsAutoString mMimeType; //ok as an autostring; these are short.
nsNodeAllocator mNodeAllocator;
nsDTDMode mDTDMode;
eParserDocType mDocType;
eParserCommands mParserCommand; //tells us to viewcontent/viewsource/viewerrors...
eHTMLTags mSkipTarget;
nsresult mDTDState;
PRUint16 mFlags;
PRInt32 mLineNumber;
nsString mScratch; //used for various purposes; non-persistent
nsAutoString mMimeType; //ok as an autostring; these are short.
nsNodeAllocator mNodeAllocator;
nsString mFilename;
PRInt32 mOpenHeadCount;
PRInt32 mOpenMapCount;
PRInt32 mOpenFormCount;
PRUint16 mFlags;
#ifdef ENABLE_CRC
PRUint32 mComputedCRC32;
@ -533,7 +378,7 @@ inline nsresult NS_NewNavHTMLDTD(nsIDTD** aInstancePtrResult)
{
NS_DEFINE_CID(kNavDTDCID, NS_CNAVDTD_CID);
return nsComponentManager::CreateInstance(kNavDTDCID,
nsnull,
nsnull,
NS_GET_IID(nsIDTD),
(void**)aInstancePtrResult);
}

14
parser/htmlparser/src/COtherDTD.cpp
Просмотреть файл

@ -485,6 +485,12 @@ nsresult COtherDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIPar
return result;
}
nsresult
COtherDTD::Terminate(nsIParser* aParser)
{
return mDTDState=NS_ERROR_HTMLPARSER_STOPPARSING;
}
/**
* This big dispatch method is used to route token handler calls to the right place.
* What's wrong with it? This table, and the dispatch methods themselves need to be
@ -995,12 +1001,12 @@ nsresult COtherDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
* @param
* @return
*/
nsresult COtherDTD::WillResumeParse(void) {
nsresult COtherDTD::WillResumeParse(nsIContentSink* aSink) {
STOP_TIMER();
MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: COtherDTD::WillResumeParse(), this=%p\n", this));
nsresult result=(mSink) ? mSink->WillResume() : NS_OK;
nsresult result=(aSink) ? aSink->WillResume() : NS_OK;
MOZ_TIMER_DEBUGLOG(("Start: Parse Time: COtherDTD::WillResumeParse(), this=%p\n", this));
START_TIMER();
@ -1014,12 +1020,12 @@ nsresult COtherDTD::WillResumeParse(void) {
* @update gess5/18/98
* @return error code
*/
nsresult COtherDTD::WillInterruptParse(void){
nsresult COtherDTD::WillInterruptParse(nsIContentSink* aSink){
STOP_TIMER();
MOZ_TIMER_DEBUGLOG(("Stop: Parse Time: COtherDTD::WillInterruptParse(), this=%p\n", this));
nsresult result=(mSink) ? mSink->WillInterrupt() : NS_OK;
nsresult result=(aSink) ? aSink->WillInterrupt() : NS_OK;
MOZ_TIMER_DEBUGLOG(("Start: Parse Time: COtherDTD::WillInterruptParse(), this=%p\n", this));
START_TIMER();

170
parser/htmlparser/src/COtherDTD.h
Просмотреть файл

@ -122,7 +122,10 @@ class COtherDTD : public nsIDTD
#pragma warning( default : 4275 )
#endif
public:
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
/**
* Common constructor for navdtd. You probably want to call
* NS_NewNavHTMLDTD().
@ -137,171 +140,6 @@ public:
*/
virtual ~COtherDTD();
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;
/**
* Call this method if you want the DTD to construct a clone of itself.
* @update gess7/23/98
* @param
* @return
*/
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);
NS_DECL_ISUPPORTS
/**
* This method is called to determine if the given DTD can parse
* a document of a given source-type.
* Note that parsing assumes that the end result will always be stored
* in the main content model. Of course, it's up to you which content-
* model you pass in to the parser, so you can always control the process.
*
* @update gess 7/15/98
* @param aContentType contains the name of a filetype that you are
* being asked to parse).
* @return TRUE if this DTD parse the given type; FALSE otherwise.
*/
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
nsITokenObserver* anObserver = nsnull,
nsIContentSink* aSink=nsnull);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param anErrorCode contans the last error that occured
* @return error code
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink = nsnull);
/**
* This method is called by the parser, once for each token
* that has been constructed during the tokenization phase.
* @update gess 3/25/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);
/**
*
* @update gess12/28/98
* @param
* @return
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
/**
* Note that the otherDTD get's it's recycler from
* the body context.
*
* @update rickg 16June2000
* @return always 0
*/
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void)
{
return nsnull;
}
/**
* If the parse process gets interrupted, this method gets called
* prior to the process resuming.
* @update gess5/18/98
* @return error code -- usually NS_OK (0)
*/
NS_IMETHOD WillResumeParse(void);
/**
* If the parse process is about to be interrupted, this method
* will be called just prior.
* @update gess5/18/98
* @return error code -- usually NS_OK (0)
*/
NS_IMETHOD WillInterruptParse(void);
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD Terminate(nsIParser* aParser = nsnull)
{
mDTDState=NS_ERROR_HTMLPARSER_STOPPARSING;
return mDTDState;
}
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const;
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const;
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const;
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const;
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const;
/**
* The following set of methods are used to partially construct
* the content model (via the sink) according to the type of token.

2
parser/htmlparser/src/CParserContext.h
Просмотреть файл

@ -84,11 +84,11 @@ public:
nsIDTD* mDTD;
nsIDTD* mValidator;
nsIRequestObserver* mListener;
char* mTransferBuffer;
void* mKey;
CParserContext* mPrevContext;
nsScanner* mScanner;
nsAutoString mMimeType;
nsDTDMode mDTDMode;

3
parser/htmlparser/src/Makefile.in
Просмотреть файл

@ -58,8 +58,8 @@ endif
CPPSRCS = \
nsDTDUtils.cpp \
nsHTMLTokenizer.cpp \
nsExpatTokenizer.cpp\
nsElementTable.cpp \
nsExpatDriver.cpp \
CNavDTD.cpp \
COtherDTD.cpp \
nsHTMLEntities.cpp \
@ -72,7 +72,6 @@ CPPSRCS = \
nsParserNode.cpp \
nsScanner.cpp \
nsToken.cpp \
nsWellFormedDTD.cpp \
nsViewSourceHTML.cpp\
nsParserMsgUtils.cpp\
$(NULL)

13
parser/htmlparser/src/makefile.win
Просмотреть файл

@ -40,13 +40,13 @@ include <$(DEPTH)\config\config.mak>
LIBRARY_NAME=raptorhtmlpars
DEFINES=-D_IMPL_NS_HTMLPARS -DWIN32_LEAN_AND_MEAN -DXML_DTD
LIBRARY_NAME = gkparser
MODULE_NAME = nsParserModule
LIBRARY_NAME = gkparser
MODULE_NAME = nsParserModule
CPP_OBJS = \
CPP_OBJS = \
.\$(OBJDIR)\nsDTDUtils.obj \
.\$(OBJDIR)\nsHTMLTokenizer.obj \
.\$(OBJDIR)\nsExpatTokenizer.obj\
.\$(OBJDIR)\nsExpatDriver.obj \
.\$(OBJDIR)\nsElementTable.obj \
.\$(OBJDIR)\CNavDTD.obj \
.\$(OBJDIR)\COtherDTD.obj \
@ -58,11 +58,10 @@ CPP_OBJS = \
.\$(OBJDIR)\nsParserNode.obj \
.\$(OBJDIR)\nsScanner.obj \
.\$(OBJDIR)\nsToken.obj \
.\$(OBJDIR)\nsWellFormedDTD.obj \
.\$(OBJDIR)\nsViewSourceHTML.obj\
.\$(OBJDIR)\nsParserService.obj \
.\$(OBJDIR)\nsParserService.obj \
.\$(OBJDIR)\nsParserModule.obj \
.\$(OBJDIR)\nsParserMsgUtils.obj \
.\$(OBJDIR)\nsParserMsgUtils.obj\
!ifdef MOZ_DEBUG
.\$(OBJDIR)\nsLoggingSink.obj \
.\$(OBJDIR)\nsHTMLNullSink.obj \

947
parser/htmlparser/src/nsExpatDriver.cpp Normal file
Просмотреть файл

@ -0,0 +1,947 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsExpatDriver.h"
#include "nsIParser.h"
#include "nsCOMPtr.h"
#include "nsParserCIID.h"
#include "CParserContext.h"
#include "nsIExpatSink.h"
#include "nsIContentSink.h"
#include "nsParserMsgUtils.h"
#include "nsSpecialSystemDirectory.h"
#include "nsIURL.h"
#include "nsIUnicharInputStream.h"
#include "nsNetUtil.h"
#include "prprf.h"
#include "prmem.h"
#include "nsTextFormatter.h"
static const char* kDTDDirectory = "dtd/";
/***************************** EXPAT CALL BACKS *******************************/
// The callback handlers that get called from the expat parser
static int
Driver_HandleStartElement(void *aUserData,
const XML_Char *aName,
const XML_Char **aAtts)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
return NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleStartElement((const PRUnichar*)aName,
(const PRUnichar**)aAtts);
}
return XML_ERROR_NONE;
}
static int
Driver_HandleEndElement(void *aUserData,
const XML_Char *aName)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
return NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleEndElement((const PRUnichar*)aName);
}
return XML_ERROR_NONE;
}
static void
Driver_HandleCharacterData(void *aUserData,
const XML_Char *aData,
int aLength)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleCharacterData((PRUnichar*)aData,
PRUint32(aLength));
}
}
static void
Driver_HandleComment(void *aUserData,
const XML_Char *aName)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if(aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleComment((const PRUnichar*)aName);
}
}
static int
Driver_HandleProcessingInstruction(void *aUserData,
const XML_Char *aTarget,
const XML_Char *aData)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
return NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleProcessingInstruction((const PRUnichar*)aTarget,
(const PRUnichar*)aData);
}
return XML_ERROR_NONE;
}
static void
Driver_HandleDefault(void *aUserData,
const XML_Char *aData,
int aLength)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleDefault((const PRUnichar*)aData,
PRUint32(aLength));
}
}
static void
Driver_HandleStartCdataSection(void *aUserData)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleStartCdataSection();
}
}
static void
Driver_HandleEndCdataSection(void *aUserData)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleEndCdataSection();
}
}
static void
Driver_HandleStartDoctypeDecl(void *aUserData,
const XML_Char *aDoctypeName)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleStartDoctypeDecl();
}
}
static void
Driver_HandleEndDoctypeDecl(void *aUserData)
{
NS_ASSERTION(aUserData, "expat driver should exist");
if (aUserData) {
NS_STATIC_CAST(nsExpatDriver*,aUserData)->HandleEndDoctypeDecl();
}
}
static int
Driver_HandleExternalEntityRef(XML_Parser parser,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId)
{
int result = PR_TRUE;
#ifdef XML_DTD
// Load the external entity into a buffer
nsCOMPtr<nsIInputStream> in;
nsAutoString absURL;
nsresult rv = nsExpatDriver::OpenInputStream(systemId, base, getter_AddRefs(in), absURL);
if (NS_FAILED(rv)) {
return result;
}
nsCOMPtr<nsIUnicharInputStream> uniIn;
NS_NewUTF8ConverterStream(getter_AddRefs(uniIn), in, 1024);
if (uniIn) {
XML_Parser entParser =
XML_ExternalEntityParserCreate(parser, 0, (const XML_Char*) NS_LITERAL_STRING("UTF-16").get());
if (entParser) {
PRUint32 readCount = 0;
PRUnichar tmpBuff[1024] = {0};
PRUnichar *uniBuf = tmpBuff;
XML_SetBase(entParser, (const XML_Char*) absURL.get());
while (NS_SUCCEEDED(uniIn->Read(uniBuf, 0, 1024, &readCount))) {
if (readCount) {
// Pass the buffer to expat for parsing
result = XML_Parse(entParser, (char *)uniBuf, readCount * sizeof(PRUnichar), 0);
}
else {
// done reading
result = XML_Parse(entParser, nsnull, 0, 1);
break;
}
}
XML_ParserFree(entParser);
}
}
#else /* ! XML_DTD */
NS_NOTYETIMPLEMENTED("Error: Tokenizer_HandleExternalEntityRef() not yet implemented.");
#endif /* XML_DTD */
return result;
}
/***************************** END CALL BACKS *********************************/
NS_IMPL_ISUPPORTS2(nsExpatDriver,
nsITokenizer,
nsIDTD);
nsresult
NS_NewExpatDriver(nsIDTD** aResult) {
nsExpatDriver* driver = nsnull;
NS_NEWXPCOM(driver, nsExpatDriver);
NS_ENSURE_TRUE(driver,NS_ERROR_OUT_OF_MEMORY);
return driver->QueryInterface(NS_GET_IID(nsIDTD), (void**)aResult);
}
nsExpatDriver::nsExpatDriver()
:mExpatParser(0),
mSink(0),
mInDoctype(0),
mInCData(0),
mBytesParsed(0),
mBytePosition(0),
mInternalState(NS_OK)
{
NS_INIT_REFCNT();
}
nsExpatDriver::~nsExpatDriver()
{
NS_IF_RELEASE(mSink);
}
nsresult
nsExpatDriver::HandleStartElement(const PRUnichar *aValue,
const PRUnichar **aAtts)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mSink){
nsresult result = mSink->HandleStartElement(aValue, aAtts,
XML_GetSpecifiedAttributeCount(mExpatParser) / 2,
XML_GetIdAttributeIndex(mExpatParser),
XML_GetCurrentLineNumber(mExpatParser));
if (result == NS_ERROR_HTMLPARSER_BLOCK) {
mInternalState = NS_ERROR_HTMLPARSER_BLOCK;
XML_BlockParser(mExpatParser);
}
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndElement(const PRUnichar *aValue)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mSink){
nsresult result = mSink->HandleEndElement(aValue);
if (result == NS_ERROR_HTMLPARSER_BLOCK) {
mInternalState = NS_ERROR_HTMLPARSER_BLOCK;
XML_BlockParser(mExpatParser);
}
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleCharacterData(const PRUnichar *aValue,
const PRUint32 aLength)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInCData) {
mCDataText.Append(aValue,aLength);
}
else if (mSink){
mInternalState = mSink->HandleCharacterData(aValue, aLength);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleComment(const PRUnichar *aValue)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInDoctype) {
// We do not want comments popping out of the doctype...
mDoctypeText.Append(NS_LITERAL_STRING("<!--"));
mDoctypeText.Append(aValue);
mDoctypeText.Append(NS_LITERAL_STRING("-->"));
}
else if (mSink){
mInternalState = mSink->HandleComment(aValue);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleProcessingInstruction(const PRUnichar *aTarget,
const PRUnichar *aData)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mSink){
nsresult result = mSink->HandleProcessingInstruction(aTarget, aData);
if (result == NS_ERROR_HTMLPARSER_BLOCK) {
mInternalState = NS_ERROR_HTMLPARSER_BLOCK;
XML_BlockParser(mExpatParser);
}
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleDefault(const PRUnichar *aValue,
const PRUint32 aLength)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInDoctype) {
mDoctypeText.Append(aValue, aLength);
}
else if (mSink) {
static const PRUnichar newline[] = {'\n','\0'};
for (PRUint32 i = 0; i < aLength && NS_SUCCEEDED(mInternalState); i++) {
if (aValue[i] == '\n' || aValue[i] == '\r') {
mInternalState = mSink->HandleCharacterData(newline, 1);
}
}
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleStartCdataSection()
{
mInCData = PR_TRUE;
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndCdataSection()
{
NS_ASSERTION(mSink, "content sink not found!");
mInCData = PR_FALSE;
if (mSink) {
mInternalState = mSink->HandleCDataSection(mCDataText.get(),mCDataText.Length());
}
mCDataText.Truncate();
return NS_OK;
}
nsresult
nsExpatDriver::HandleStartDoctypeDecl()
{
mInDoctype = PR_TRUE;
mDoctypeText.Assign(NS_LITERAL_STRING("<!DOCTYPE "));
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndDoctypeDecl()
{
NS_ASSERTION(mSink, "content sink not found!");
mInDoctype = PR_FALSE;
mDoctypeText.Append(PRUnichar('>'));
if(mSink) {
mInternalState = mSink->HandleDoctypeDecl(mDoctypeText.get());
}
mDoctypeText.Truncate();
return NS_OK;
}
// aDTD is an in/out parameter. Returns true if the aDTD is a chrome url or if the
// filename contained within the url exists in the special DTD directory ("dtd"
// relative to the current process directory). For the latter case, aDTD is set
// to the file: url that points to the DTD file found in the local DTD directory
// AND the old URI is relased.
static PRBool
IsLoadableDTD(nsCOMPtr<nsIURI>* aDTD)
{
PRBool isLoadable = PR_FALSE;
nsresult res = NS_OK;
if (!aDTD || !*aDTD) {
NS_ASSERTION(0, "Null parameter.");
return PR_FALSE;
}
// Return true if the url is a chrome url
res = (*aDTD)->SchemeIs("chrome", &isLoadable);
// If the url is not a chrome url, check to see if a DTD file of the same name
// exists in the special DTD directory
if (!isLoadable) {
nsCOMPtr<nsIURL> dtdURL;
dtdURL = do_QueryInterface(*aDTD, &res);
if (NS_SUCCEEDED(res)) {
nsXPIDLCString fileName;
res = dtdURL->GetFileName(getter_Copies(fileName));
if (NS_SUCCEEDED(res) && fileName) {
nsSpecialSystemDirectory dtdPath(nsSpecialSystemDirectory::OS_CurrentProcessDirectory);
dtdPath += NS_ConvertASCIItoUCS2(nsDependentCString(kDTDDirectory) + fileName);
if (dtdPath.Exists()) {
// The DTD was found in the local DTD directory.
// Set aDTD to a file: url pointing to the local DTD
nsFileURL dtdFile(dtdPath);
nsCOMPtr<nsIURI> dtdURI;
res = NS_NewURI(getter_AddRefs(dtdURI), dtdFile.GetURLString());
if (NS_SUCCEEDED(res) && dtdURI) {
*aDTD = dtdURI;
isLoadable = PR_TRUE;
}
}
}
}
}
return isLoadable;
}
nsresult
nsExpatDriver::OpenInputStream(const XML_Char* aURLStr,
const XML_Char* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL)
{
nsresult rv;
nsCOMPtr<nsIURI> baseURI;
rv = NS_NewURI(getter_AddRefs(baseURI), NS_ConvertUCS2toUTF8((const PRUnichar*)aBaseURL).get());
if (NS_SUCCEEDED(rv) && baseURI) {
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), NS_ConvertUCS2toUTF8((const PRUnichar*)aURLStr).get(), baseURI);
if (NS_SUCCEEDED(rv) && uri) {
if (IsLoadableDTD(address_of(uri))) {
rv = NS_OpenURI(in, uri);
nsXPIDLCString absURL;
uri->GetSpec(getter_Copies(absURL));
CopyASCIItoUCS2(absURL, aAbsURL);
}
else {
rv = NS_ERROR_NOT_IMPLEMENTED;
}
}
}
return rv;
}
static nsresult
CreateErrorText(const PRUnichar* aDescription,
const PRUnichar* aSourceURL,
const PRInt32 aLineNumber,
const PRInt32 aColNumber,
nsString& aErrorString)
{
aErrorString.Truncate();
nsAutoString msg;
nsresult rv = nsParserMsgUtils::GetLocalizedStringByName(XMLPARSER_PROPERTIES,"XMLParsingError",msg);
if (NS_FAILED(rv)) {
return rv;
}
// XML Parsing Error: %1$S\nLocation: %2$S\nLine Number %3$d, Column %4$d:
PRUnichar *message = nsTextFormatter::smprintf(msg.get(),aDescription,aSourceURL,aLineNumber,aColNumber);
if (!message) {
return NS_ERROR_OUT_OF_MEMORY;
}
aErrorString.Assign(message);
nsTextFormatter::smprintf_free(message);
return NS_OK;
}
static nsresult
CreateSourceText(const PRInt32 aColNumber,
const PRUnichar* aSourceLine,
nsString& aSourceString)
{
PRInt32 errorPosition = aColNumber;
aSourceString.Append(aSourceLine);
aSourceString.Append(PRUnichar('\n'));
for (PRInt32 i = 0; i < errorPosition - 1; i++) {
aSourceString.Append(PRUnichar('-'));
}
aSourceString.Append(PRUnichar('^'));
return NS_OK;
}
nsresult
nsExpatDriver::HandleError(const char *aBuffer,
PRUint32 aLength,
PRBool aIsFinal)
{
PRInt32 code = XML_GetErrorCode(mExpatParser);
NS_WARN_IF_FALSE(code >= 1, "unexpected XML error code");
// Map Expat error code to an error string
// XXX Deal with error returns.
nsAutoString description;
nsParserMsgUtils::GetLocalizedStringByID(XMLPARSER_PROPERTIES, code, description);
if (code == XML_ERROR_TAG_MISMATCH) {
description.Append(NS_LITERAL_STRING(". Expected: "));
description.Append(NS_LITERAL_STRING("</"));
description.Append((const PRUnichar*)XML_GetMismatchedTag(mExpatParser));
description.Append(NS_LITERAL_STRING(">."));
}
nsAutoString sourceLine;
if (!aIsFinal) {
GetLine(aBuffer, aLength, (XML_GetCurrentByteIndex(mExpatParser) - mBytesParsed), sourceLine);
}
else {
sourceLine.Append(mLastLine);
}
// Adjust the column number so that it is one based rather than zero based.
PRInt32 colNumber = XML_GetCurrentColumnNumber(mExpatParser) + 1;
nsAutoString errorText;
CreateErrorText(description.get(),
(PRUnichar*)XML_GetBase(mExpatParser),
XML_GetCurrentLineNumber(mExpatParser),
colNumber, errorText);
nsAutoString sourceText;
CreateSourceText(colNumber, sourceLine.get(), sourceText);
NS_ASSERTION(mSink,"no sink?");
if (mSink) {
mSink->ReportError(errorText.get(), sourceText.get());
}
return NS_ERROR_HTMLPARSER_STOPPARSING;
}
nsresult
nsExpatDriver::ParseBuffer(const char* aBuffer,
PRUint32 aLength,
PRBool aIsFinal)
{
nsresult result = NS_OK;
NS_ASSERTION((aBuffer && aLength) || (aBuffer == nsnull && aLength == 0), "?");
if (mExpatParser && mInternalState == NS_OK) {
if (!XML_Parse(mExpatParser, aBuffer, aLength, aIsFinal)) {
if (mInternalState == NS_ERROR_HTMLPARSER_BLOCK ||
mInternalState == NS_ERROR_HTMLPARSER_STOPPARSING) {
mBytePosition = (XML_GetCurrentByteIndex(mExpatParser) - mBytesParsed);
mBytesParsed += mBytePosition;
}
else {
HandleError(aBuffer,aLength,aIsFinal);
mInternalState = NS_ERROR_HTMLPARSER_STOPPARSING;
}
return mInternalState;
}
else if (aBuffer && aLength) {
// Cache the last line in the buffer
GetLine(aBuffer, aLength, aLength - sizeof(PRUnichar), mLastLine);
}
mBytesParsed += aLength;
mBytePosition = 0;
}
return result;
}
void
nsExpatDriver::GetLine(const char* aSourceBuffer,
PRUint32 aLength,
PRUint32 aOffset,
nsString& aLine)
{
/* Figure out the line inside aSourceBuffer that contains character specified by aOffset.
Copy it into aLine. */
NS_ASSERTION(aOffset >= 0 && aOffset < aLength, "?");
/* Assert that the byteIndex and the length of the buffer is even */
NS_ASSERTION(aOffset % 2 == 0 && aLength % 2 == 0, "?");
PRUnichar* start = (PRUnichar* ) &aSourceBuffer[aOffset]; /* Will try to find the start of the line */
PRUnichar* end = (PRUnichar* ) &aSourceBuffer[aOffset]; /* Will try to find the end of the line */
PRUint32 startIndex = aOffset / sizeof(PRUnichar); /* Track the position of the 'start' pointer into the buffer */
PRUint32 endIndex = aOffset / sizeof(PRUnichar); /* Track the position of the 'end' pointer into the buffer */
PRUint32 numCharsInBuffer = aLength / sizeof(PRUnichar);
PRBool reachedStart;
PRBool reachedEnd;
/* Use start to find the first new line before the error position and
end to find the first new line after the error position */
reachedStart = (startIndex <= 0 || '\n' == *start || '\r' == *start);
reachedEnd = (endIndex >= numCharsInBuffer || '\n' == *end || '\r' == *end);
while (!reachedStart || !reachedEnd) {
if (!reachedStart) {
--start;
--startIndex;
reachedStart = (startIndex <= 0 || '\n' == *start || '\r' == *start);
}
if (!reachedEnd) {
++end;
++endIndex;
reachedEnd = (endIndex >= numCharsInBuffer || '\n' == *end || '\r' == *end);
}
}
aLine.Truncate(0);
if (startIndex == endIndex) {
// Special case if the error is on a line where the only character is a newline.
// Do nothing
}
else {
NS_ASSERTION(endIndex - startIndex >= sizeof(PRUnichar), "?");
/* At this point, there are two cases. Either the error is on the first line or
on subsequent lines. If the error is on the first line, startIndex will decrement
all the way to zero. If not, startIndex will decrement to the position of the
newline character on the previous line. So, in the first case, the start position
of the error line = startIndex (== 0). In the second case, the start position of the
error line = startIndex + 1. In both cases, the end position of the error line will be
(endIndex - 1). */
PRUint32 startPosn = (startIndex <= 0) ? startIndex : startIndex + 1;
/* At this point, the substring starting at startPosn and ending at (endIndex - 1),
is the line on which the error occurred. Copy that substring into the error structure. */
const PRUnichar* unicodeBuffer = (const PRUnichar*) aSourceBuffer;
aLine.Append(&unicodeBuffer[startPosn], endIndex - startPosn);
}
}
NS_IMETHODIMP
nsExpatDriver::CreateNewInstance(nsIDTD** aInstancePtrResult)
{
return NS_NewExpatDriver(aInstancePtrResult);
}
NS_IMETHODIMP
nsExpatDriver::ConsumeToken(nsScanner& aScanner,
PRBool& aFlushTokens)
{
// Ask the scanner to send us all the data it has
// scanned and pass that data to expat.
mInternalState = NS_OK; // Resume in case we're blocked.
XML_UnblockParser(mExpatParser);
nsReadingIterator<PRUnichar> start, end;
aScanner.CurrentPosition(start);
aScanner.EndReading(end);
while (start != end) {
PRUint32 fragLength = PRUint32(start.size_forward());
const PRUnichar* expatBuffer = start.get();
mInternalState = ParseBuffer((const char *)expatBuffer,
fragLength * sizeof(PRUnichar),
aFlushTokens);
if (NS_FAILED(mInternalState)) {
if (mInternalState == NS_ERROR_HTMLPARSER_BLOCK) {
// mBytePosition / 2 => character position. Since one char = two bytes.
aScanner.SetPosition(start.advance(mBytePosition / 2), PR_TRUE);
aScanner.Mark();
}
return mInternalState;
}
start.advance(fragLength);
}
aScanner.SetPosition(end, PR_TRUE);
if(NS_SUCCEEDED(mInternalState)) {
return aScanner.Eof();
}
return NS_OK;
}
NS_IMETHODIMP_(eAutoDetectResult)
nsExpatDriver::CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion)
{
eAutoDetectResult result = eUnknownDetect;
if (eViewSource != aParserContext.mParserCommand) {
if (aParserContext.mMimeType.EqualsWithConversion(kXMLTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXHTMLApplicationContentType)||
aParserContext.mMimeType.EqualsWithConversion(kRDFTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXULTextContentType)) {
result=ePrimaryDetect;
}
else {
if (0 == aParserContext.mMimeType.Length() &&
kNotFound != aBuffer.Find("<?xml ")) {
aParserContext.SetMimeType(NS_LITERAL_STRING(kXMLTextContentType));
result=eValidDetect;
}
}
}
return result;
}
NS_IMETHODIMP
nsExpatDriver::WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink)
{
NS_ENSURE_ARG_POINTER(aSink);
aSink->QueryInterface(NS_GET_IID(nsIExpatSink),(void**)&(mSink));
NS_ENSURE_TRUE(mSink,NS_ERROR_FAILURE);
mExpatParser = XML_ParserCreate((const XML_Char*) NS_LITERAL_STRING("UTF-16").get());
NS_ENSURE_TRUE(mExpatParser, NS_ERROR_FAILURE);
#ifdef XML_DTD
XML_SetParamEntityParsing(mExpatParser, XML_PARAM_ENTITY_PARSING_ALWAYS);
#endif
XML_SetBase(mExpatParser, (const XML_Char*) (aParserContext.mScanner->GetFilename()).get());
// Set up the callbacks
XML_SetElementHandler(mExpatParser, Driver_HandleStartElement, Driver_HandleEndElement);
XML_SetCharacterDataHandler(mExpatParser, Driver_HandleCharacterData);
XML_SetProcessingInstructionHandler(mExpatParser, Driver_HandleProcessingInstruction);
XML_SetDefaultHandlerExpand(mExpatParser, Driver_HandleDefault);
XML_SetExternalEntityRefHandler(mExpatParser, Driver_HandleExternalEntityRef);
XML_SetCommentHandler(mExpatParser, Driver_HandleComment);
XML_SetCdataSectionHandler(mExpatParser, Driver_HandleStartCdataSection,
Driver_HandleEndCdataSection);
XML_SetDoctypeDeclHandler(mExpatParser, Driver_HandleStartDoctypeDecl, Driver_HandleEndDoctypeDecl);
// Set up the user data.
XML_SetUserData(mExpatParser, this);
return aSink->WillBuildModel();
}
NS_IMETHODIMP
nsExpatDriver::BuildModel(nsIParser* aParser,
nsITokenizer* aTokenizer,
nsITokenObserver* anObserver,
nsIContentSink* aSink)
{
return mInternalState;
}
NS_IMETHODIMP
nsExpatDriver::DidBuildModel(nsresult anErrorCode,
PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink)
{
// Check for mSink is intentional. This would make sure
// that DidBuildModel() is called only once on the sink.
nsresult result = (mSink)? aSink->DidBuildModel(0) : NS_OK;
NS_IF_RELEASE(mSink);
return result;
}
NS_IMETHODIMP nsExpatDriver::GetTokenizer(nsITokenizer*& aTokenizer)
{
aTokenizer = this;
return NS_OK;
}
NS_IMETHODIMP
nsExpatDriver::WillTokenize(PRBool aIsFinalChunk,
nsTokenAllocator* aTokenAllocator)
{
return NS_OK;
}
NS_IMETHODIMP
nsExpatDriver::WillResumeParse(nsIContentSink* aSink)
{
return (aSink)? aSink->WillResume():NS_OK;
}
NS_IMETHODIMP
nsExpatDriver::WillInterruptParse(nsIContentSink* aSink)
{
return (aSink)? aSink->WillInterrupt():NS_OK;
}
NS_IMETHODIMP
nsExpatDriver::DidTokenize(PRBool aIsFinalChunk)
{
return ParseBuffer(nsnull, 0, aIsFinalChunk);
}
NS_IMETHODIMP_(const nsIID&)
nsExpatDriver::GetMostDerivedIID(void) const
{
return NS_GET_IID(nsIDTD);
}
NS_IMETHODIMP nsExpatDriver::Terminate(nsIParser* aParser)
{
XML_BlockParser(mExpatParser); // XXX - not sure what happens to the unparsed data.
return mInternalState = NS_ERROR_HTMLPARSER_STOPPARSING;
}
/*************************** Unused methods ***************************************/
NS_IMETHODIMP_(CToken*)
nsExpatDriver::PushTokenFront(CToken* aToken)
{
return 0;
}
NS_IMETHODIMP_(CToken*)
nsExpatDriver::PushToken(CToken* aToken)
{
return 0;
}
NS_IMETHODIMP_(CToken*)
nsExpatDriver::PopToken(void)
{
return 0;
}
NS_IMETHODIMP_(CToken*)
nsExpatDriver::PeekToken(void)
{
return 0;
}
NS_IMETHODIMP_(CToken*)
nsExpatDriver::GetTokenAt(PRInt32 anIndex)
{
return 0;
}
NS_IMETHODIMP_(PRInt32)
nsExpatDriver::GetCount(void)
{
return 0;
}
NS_IMETHODIMP_(nsTokenAllocator*)
nsExpatDriver::GetTokenAllocator(void)
{
return 0;
}
NS_IMETHODIMP_(void)
nsExpatDriver::PrependTokens(nsDeque& aDeque)
{
}
NS_IMETHODIMP
nsExpatDriver::HandleToken(CToken* aToken,nsIParser* aParser)
{
return NS_OK;
}
NS_IMETHODIMP_(PRBool)
nsExpatDriver::IsBlockElement(PRInt32 aTagID,PRInt32 aParentID) const
{
return PR_FALSE;
}
NS_IMETHODIMP_(PRBool)
nsExpatDriver::IsInlineElement(PRInt32 aTagID,PRInt32 aParentID) const
{
return PR_FALSE;
}
NS_IMETHODIMP_(PRBool)
nsExpatDriver::IsContainer(PRInt32 aTag) const
{
return PR_TRUE;
}
NS_IMETHODIMP_(PRBool)
nsExpatDriver::CanContain(PRInt32 aParent,PRInt32 aChild) const
{
return PR_TRUE;
}
NS_IMETHODIMP
nsExpatDriver::StringTagToIntTag(const nsAReadableString &aTag, PRInt32* aIntTag) const
{
return NS_OK;
}
NS_IMETHODIMP_(const PRUnichar *)
nsExpatDriver::IntTagToStringTag(PRInt32 aIntTag) const
{
return 0;
}
NS_IMETHODIMP
nsExpatDriver::ConvertEntityToUnicode(const nsAReadableString& aEntity, PRInt32* aUnicode) const
{
return NS_OK;
}
/******************************************************************************/

94
parser/htmlparser/src/nsExpatDriver.h Normal file
Просмотреть файл

@ -0,0 +1,94 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef NS_EXPAT_DRIVER__
#define NS_EXPAT_DRIVER__
#include "xmlparse.h"
#include "nsString.h"
#include "nsIDTD.h"
#include "nsITokenizer.h"
#include "nsFileSpec.h"
class nsIExpatSink;
class nsExpatDriver : public nsIDTD,
public nsITokenizer
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
NS_DECL_NSITOKENIZER
nsExpatDriver();
virtual ~nsExpatDriver();
// Load up an external stream to get external entity information
static nsresult OpenInputStream(const XML_Char* aURLStr, const XML_Char* aBaseURL, nsIInputStream** in, nsAString& aAbsURL);
nsresult HandleStartElement(const PRUnichar *aName, const PRUnichar **aAtts);
nsresult HandleEndElement(const PRUnichar *aName);
nsresult HandleCharacterData(const PRUnichar *aCData, const PRUint32 aLength);
nsresult HandleComment(const PRUnichar *aName);
nsresult HandleProcessingInstruction(const PRUnichar *aTarget, const PRUnichar *aData);
nsresult HandleDefault(const PRUnichar *aData, const PRUint32 aLength);
nsresult HandleStartCdataSection();
nsresult HandleEndCdataSection();
nsresult HandleStartDoctypeDecl();
nsresult HandleEndDoctypeDecl();
protected:
nsresult ParseBuffer(const char* aBuffer, PRUint32 aLength, PRBool aIsFinal);
nsresult HandleError(const char *aBuffer, PRUint32 aLength, PRBool aIsFinal);
void GetLine(const char* aSourceBuffer, PRUint32 aLength, PRUint32 aOffset, nsString& aLine);
XML_Parser mExpatParser;
nsIExpatSink* mSink;
nsString mLastLine;
nsString mDoctypeText;
nsString mCDataText;
PRPackedBool mInDoctype;
PRPackedBool mInCData;
PRUint32 mBytesParsed;
PRInt32 mBytePosition;
nsresult mInternalState;
};
nsresult NS_NewExpatDriver(nsIDTD** aDriver);
#endif

7
parser/htmlparser/src/nsHTMLNullSink.cpp
Просмотреть файл

@ -66,7 +66,6 @@ public:
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0);
@ -624,12 +623,6 @@ nsHTMLNullSink::SetParser(nsIParser* aParser)
return NS_OK;
}
NS_IMETHODIMP
nsHTMLNullSink::NotifyError(const nsParserError* aError)
{
return NS_OK;
}
/**
*
* @update gpk03/14/99

25
parser/htmlparser/src/nsHTMLTokenizer.h
Просмотреть файл

@ -70,27 +70,14 @@
class nsHTMLTokenizer : public nsITokenizer {
public:
nsHTMLTokenizer( PRInt32 aParseMode=eDTDMode_quirks,
eParserDocType aDocType=eHTML3_Quirks,
eParserCommands aCommand=eViewNormal);
NS_DECL_ISUPPORTS
NS_DECL_NSITOKENIZER
nsHTMLTokenizer(PRInt32 aParseMode=eDTDMode_quirks,
eParserDocType aDocType=eHTML3_Quirks,
eParserCommands aCommand=eViewNormal);
virtual ~nsHTMLTokenizer();
NS_DECL_ISUPPORTS
virtual nsresult WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator);
virtual nsresult ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens);
virtual nsresult DidTokenize(PRBool aIsFinalChunk);
virtual nsTokenAllocator* GetTokenAllocator(void);
virtual CToken* PushTokenFront(CToken* theToken);
virtual CToken* PushToken(CToken* theToken);
virtual CToken* PopToken(void);
virtual CToken* PeekToken(void);
virtual CToken* GetTokenAt(PRInt32 anIndex);
virtual PRInt32 GetCount(void);
virtual void PrependTokens(nsDeque& aDeque);
protected:
virtual nsresult ConsumeScriptContent(nsScanner& aScanner,CToken*& aToken);

14
parser/htmlparser/src/nsLoggingSink.cpp
Просмотреть файл

@ -253,20 +253,6 @@ nsLoggingSink::AddLeaf(const nsIParserNode& aNode) {
}
NS_IMETHODIMP
nsLoggingSink::NotifyError(const nsParserError* aError) {
nsresult theResult=NS_OK;
//then proxy the call to the real sink if you have one.
if(mSink) {
theResult=mSink->NotifyError(aError);
}
return theResult;
}
/**
* This gets called by the parser when you want to add
* a PI node to the current container in the content

1
parser/htmlparser/src/nsLoggingSink.h
Просмотреть файл

@ -68,7 +68,6 @@ public:
NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
NS_IMETHOD NotifyError(const nsParserError* aError);
NS_IMETHOD AddComment(const nsIParserNode& aNode);
NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode, PRInt32 aMode=0);

14
parser/htmlparser/src/nsParser.cpp
Просмотреть файл

@ -49,7 +49,6 @@
#include "nsScanner.h"
#include "plstr.h"
#include "nsIParserFilter.h"
#include "nsWellFormedDTD.h"
#include "nsViewSourceHTML.h"
#include "nsIStringStream.h"
#include "nsIChannel.h"
@ -65,13 +64,14 @@
#include "nsCOMPtr.h"
#include "nsIEventQueue.h"
#include "nsIEventQueueService.h"
#include "nsExpatDriver.h"
//#define rickgdebug
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_CID(kCParserCID, NS_PARSER_CID);
static NS_DEFINE_IID(kIParserIID, NS_IPARSER_IID);
static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
static NS_DEFINE_IID(kExpatDriverCID, NS_EXPAT_DRIVER_CID);
static NS_DEFINE_CID(kNavDTDCID, NS_CNAVDTD_CID);
static NS_DEFINE_CID(kCOtherDTDCID, NS_COTHER_DTD_CID);
static NS_DEFINE_CID(kViewSourceDTDCID, NS_VIEWSOURCE_DTD_CID);
@ -1159,7 +1159,7 @@ PRBool FindSuitableDTD( CParserContext& aParserContext,nsString& aBuffer) {
}
if((theDTDIndex==gSharedObjects.mDTDDeque.GetSize()) && (!thePrimaryFound)) {
if(!gSharedObjects.mHasXMLDTD) {
NS_NewWellFormed_DTD(&theDTD); //do this to view XML files...
NS_NewExpatDriver(&theDTD); //do this to view XML files...
gSharedObjects.mDTDDeque.Push(theDTD);
gSharedObjects.mHasXMLDTD=PR_TRUE;
}
@ -1261,7 +1261,7 @@ NS_IMETHODIMP nsParser::CreateCompatibleDTD(nsIDTD** aDTD,
theDTDClassID=&kNavDTDCID;
break;
case eXML:
theDTDClassID=&kWellFormedDTDCID;
theDTDClassID=&kExpatDriverCID;
break;
default:
theDTDClassID=&kNavDTDCID;
@ -1288,7 +1288,7 @@ NS_IMETHODIMP nsParser::CreateCompatibleDTD(nsIDTD** aDTD,
aMimeType->EqualsWithConversion(kXHTMLApplicationContentType) ||
aMimeType->EqualsWithConversion(kXULTextContentType) ||
aMimeType->EqualsWithConversion(kRDFTextContentType)) {
theDTDClassID=&kWellFormedDTDCID;
theDTDClassID=&kExpatDriverCID;
}
else {
theDTDClassID=&kNavDTDCID;
@ -1836,7 +1836,7 @@ nsresult nsParser::ResumeParse(PRBool allowIteration, PRBool aIsFinalChunk, PRBo
// as if it was read from the input stream.
// Adding UngetReadable() per vidur!!
mParserContext->mScanner->UngetReadable(mUnusedInput);
mUnusedInput.Truncate(0);
mUnusedInput.Truncate(0);
}
}
@ -1864,7 +1864,7 @@ nsresult nsParser::ResumeParse(PRBool allowIteration, PRBool aIsFinalChunk, PRBo
if(NS_ERROR_HTMLPARSER_BLOCK==result) {
//BLOCK == 2152596464
if (mParserContext->mDTD) {
mParserContext->mDTD->WillInterruptParse();
mParserContext->mDTD->WillInterruptParse(mSink);
}
BlockParser();

41
parser/htmlparser/src/nsParser.h
Просмотреть файл

@ -162,10 +162,10 @@ class nsParser : public nsIParser,
*/
virtual void SetDocumentCharset(nsString& aCharset, PRInt32 aSource);
void GetDocumentCharset(nsString& oCharset, PRInt32& oSource)
void GetDocumentCharset(nsString& aCharset, PRInt32& aSource)
{
oCharset = mCharset;
oSource = mCharsetSource;
aCharset = mCharset;
aSource = mCharsetSource;
}
@ -454,28 +454,29 @@ protected:
//*********************************************
CParserContext* mParserContext;
PRInt32 mMajorIteration;
PRInt32 mMinorIteration;
nsIRequestObserver* mObserver;
nsIContentSink* mSink;
nsCOMPtr<nsIEventQueue> mEventQueue;
CParserContext* mParserContext;
nsIRequestObserver* mObserver;
nsIContentSink* mSink;
nsIParserFilter* mParserFilter;
PRBool mDTDVerification;
eParserCommands mCommand;
PRInt32 mStreamStatus;
nsITokenObserver* mTokenObserver;
nsString mUnusedInput;
nsString mCharset;
PRInt32 mCharsetSource;
nsresult mInternalState;
PRBool mObserversEnabled;
nsString mCommandStr;
PRBool mParserEnabled;
nsTokenAllocator mTokenAllocator;
nsCOMPtr<nsIEventQueue> mEventQueue;
eParserCommands mCommand;
nsresult mInternalState;
PRInt32 mStreamStatus;
PRInt32 mMajorIteration;
PRInt32 mMinorIteration;
PRInt32 mCharsetSource;
nsString mUnusedInput;
nsString mCharset;
nsString mCommandStr;
PRPackedBool mDTDVerification;
PRPackedBool mParserEnabled;
PRPackedBool mObserversEnabled;
PRPackedBool mPendingContinueEvent;
PRPackedBool mCanInterrupt;

15
parser/htmlparser/src/nsParserFactory.cpp
Просмотреть файл

@ -44,7 +44,6 @@
#include "nsILoggingSink.h"
#include "nsParser.h"
#include "nsParserNode.h"
#include "nsWellFormedDTD.h"
#include "CNavDTD.h"
#include "nsHTMLTags.h"
@ -52,12 +51,12 @@
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
static NS_DEFINE_IID(kCParserNode, NS_PARSER_NODE_IID);
static NS_DEFINE_CID(kCParserCID NS_PARSER_CID);
static NS_DEFINE_IID(kCParserNode, NS_PARSER_NODE_IID);
static NS_DEFINE_IID(kLoggingSinkCID, NS_LOGGING_SINK_CID);
static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
static NS_DEFINE_CID(kCNavDTDCID, NS_CNAVDTD_CID);
static NS_DEFINE_CID(kCParserCID NS_PARSER_CID);
static NS_DEFINE_CID(kLoggingSinkCID, NS_LOGGING_SINK_CID);
static NS_DEFINE_CID(kExpatDriverCID, NS_EXPAT_DRIVER_CID);
static NS_DEFINE_CID(kCNavDTDCID, NS_CNAVDTD_CID);
class nsParserFactory : public nsIFactory
{
@ -144,8 +143,8 @@ nsresult nsParserFactory::CreateInstance(nsISupports *aOuter,
*aResult = cs;
return rv;
}
else if (mClassID.Equals(kWellFormedDTDCID)) {
nsresult rv = NS_NewWellFormed_DTD((nsIDTD**) &inst);
else if (mClassID.Equals(kExpatDriverCID)) {
nsresult rv = NS_NewExpatDriver((nsIDTD**) &inst);
if (NS_FAILED(rv)) {
return rv;
}

7
parser/htmlparser/src/nsParserModule.cpp
Просмотреть файл

@ -44,7 +44,6 @@
#include "nsIModule.h"
#include "nsParserCIID.h"
#include "nsParser.h"
#include "nsWellFormedDTD.h"
#include "CNavDTD.h"
#include "COtherDTD.h"
#include "COtherDTD.h"
@ -52,22 +51,22 @@
#include "nsHTMLEntities.h"
#include "nsHTMLTokenizer.h"
//#include "nsTextTokenizer.h"
#include "nsExpatTokenizer.h"
#include "nsElementTable.h"
#include "nsParserService.h"
#ifdef NS_DEBUG
#include "nsLoggingSink.h"
#include "nsExpatDriver.h"
#endif
//----------------------------------------------------------------------
#ifdef NS_DEBUG
NS_GENERIC_FACTORY_CONSTRUCTOR(nsLoggingSink)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsExpatDriver)
#endif
NS_GENERIC_FACTORY_CONSTRUCTOR(nsParser)
NS_GENERIC_FACTORY_CONSTRUCTOR(CWellFormedDTD)
NS_GENERIC_FACTORY_CONSTRUCTOR(CNavDTD)
NS_GENERIC_FACTORY_CONSTRUCTOR(COtherDTD)
NS_GENERIC_FACTORY_CONSTRUCTOR(CTransitionalDTD)
@ -78,10 +77,10 @@ static nsModuleComponentInfo gComponents[] = {
#ifdef NS_DEBUG
{ "Logging sink", NS_LOGGING_SINK_CID, NULL, nsLoggingSinkConstructor },
{ "Expat Driver", NS_EXPAT_DRIVER_CID, NULL, nsExpatDriverConstructor },
#endif
{ "Parser", NS_PARSER_CID, NULL, nsParserConstructor },
{ "Well formed DTD", NS_WELLFORMEDDTD_CID, NULL, CWellFormedDTDConstructor },
{ "Navigator HTML DTD", NS_CNAVDTD_CID, NULL, CNavDTDConstructor },
{ "OTHER DTD", NS_COTHER_DTD_CID, NULL, COtherDTDConstructor },
{ "Transitional DTD", NS_CTRANSITIONAL_DTD_CID, NULL,

20
parser/htmlparser/src/nsViewSourceHTML.cpp
Просмотреть файл

@ -713,22 +713,6 @@ NS_IMETHODIMP CViewSourceHTML::DidBuildModel(nsresult anErrorCode,PRBool aNotify
return result;
}
/**
*
* @update gess8/4/98
* @param
* @return
*/
nsTokenAllocator* CViewSourceHTML::GetTokenAllocator(void){
nsITokenizer* theTokenizer=0;
nsresult result=GetTokenizer(theTokenizer);
if (NS_SUCCEEDED(result)) {
return theTokenizer->GetTokenAllocator();
}
return 0;
}
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
@ -767,7 +751,7 @@ nsresult CViewSourceHTML::GetTokenizer(nsITokenizer*& aTokenizer) {
* @param
* @return
*/
NS_IMETHODIMP CViewSourceHTML::WillResumeParse(void){
NS_IMETHODIMP CViewSourceHTML::WillResumeParse(nsIContentSink* aSink){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillResume();
@ -781,7 +765,7 @@ NS_IMETHODIMP CViewSourceHTML::WillResumeParse(void){
* @param
* @return
*/
NS_IMETHODIMP CViewSourceHTML::WillInterruptParse(void){
NS_IMETHODIMP CViewSourceHTML::WillInterruptParse(nsIContentSink* aSink){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillInterrupt();

186
parser/htmlparser/src/nsViewSourceHTML.h
Просмотреть файл

@ -53,128 +53,11 @@ class CViewSourceHTML: public nsIDTD
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDTD
/**
*
*
* @update gess 4/9/98
* @param
* @return
*/
CViewSourceHTML();
/**
*
*
* @update gess 4/9/98
* @param
* @return
*/
virtual ~CViewSourceHTML();
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;
/**
* Call this method if you want the DTD to construct a clone of itself.
* @update gess7/23/98
* @param
* @return
*/
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);
/**
* This method is called to determine if the given DTD can parse
* a document in a given source-type.
* NOTE: Parsing always assumes that the end result will involve
* storing the result in the main content model.
* @update gess6/24/98
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
nsITokenObserver* anObserver = nsnull,
nsIContentSink* aSink = nsnull);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param anErrorCode contans the last error that occured
* @return error code
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink = nsnull);
/**
*
* @update gess 3/25/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);
/**
*
* @update gess 12/20/99
* @param ptr-ref to (out) tokenizer
* @return nsresult
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
/**
*
* @update gess12/28/98
* @param
* @return
*/
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void);
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHOD WillResumeParse(void);
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHOD WillInterruptParse(void);
/**
* Set this to TRUE if you want the DTD to verify its
* context stack.
@ -184,61 +67,20 @@ public:
*/
virtual void SetVerification(PRBool aEnable);
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD Terminate(nsIParser* aParser = nsnull);
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const;
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const;
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const;
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const;
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const;
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;
private:
nsresult WriteTag(PRInt32 tagType,const nsAReadableString &aText,PRInt32 attrCount,PRBool aNewlineRequired);
nsresult WriteTagWithError(PRInt32 tagType,const nsAReadableString& aToken,PRInt32 attrCount,PRBool aNewlineRequired);
void AddContainmentError(eHTMLTags aChild,eHTMLTags aParent,PRInt32 aLineNumber);
nsresult WriteTag(PRInt32 tagType,
const nsAReadableString &aText,
PRInt32 attrCount,
PRBool aNewlineRequired);
nsresult WriteTagWithError(PRInt32 tagType,
const nsAReadableString& aToken,
PRInt32 attrCount,
PRBool aNewlineRequired);
void AddContainmentError(eHTMLTags aChild,
eHTMLTags aParent,
PRInt32 aLineNumber);
nsresult WriteAttributes(PRInt32 attrCount);
nsresult GenerateSummary();

788
parser/htmlparser/src/nsWellFormedDTD.cpp
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@ -1,788 +0,0 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/**
* MODULE NOTES:
* @update gess 4/8/98
*
*
*/
#include "nsWellFormedDTD.h"
#include "nsCRT.h"
#include "nsParser.h"
#include "nsScanner.h"
#include "nsIParser.h"
#include "nsDTDUtils.h"
#include "nsIContentSink.h"
#include "nsIHTMLContentSink.h"
#include "nsHTMLTokenizer.h"
#include "nsExpatTokenizer.h"
#include "prenv.h" //this is here for debug reasons...
#include "prtypes.h" //this is here for debug reasons...
#include "prio.h"
#include "plstr.h"
#include "prprf.h"
#include "prmem.h"
#include "nsSpecialSystemDirectory.h"
#include <ctype.h> // toupper()
#include "nsString.h"
#include "nsReadableUtils.h"
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
static NS_DEFINE_IID(kClassIID, NS_WELLFORMED_DTD_IID);
/**
* This method gets called as part of our COM-like interfaces.
* Its purpose is to create an interface to parser object
* of some type.
*
* @update gess 4/8/98
* @param nsIID id of object to discover
* @param aInstancePtr ptr to newly discovered interface
* @return NS_xxx result code
*/
nsresult CWellFormedDTD::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if(aIID.Equals(kISupportsIID)) { //do IUnknown...
*aInstancePtr = (nsIDTD*)(this);
}
else if(aIID.Equals(kIDTDIID)) { //do IParser base class...
*aInstancePtr = (nsIDTD*)(this);
}
else if(aIID.Equals(kClassIID)) { //do this class...
*aInstancePtr = (CWellFormedDTD*)(this);
}
else {
*aInstancePtr=0;
return NS_NOINTERFACE;
}
NS_ADDREF_THIS();
return NS_OK;
}
/**
* This method is defined in nsIParser. It is used to
* cause the COM-like construction of an nsParser.
*
* @update gess 4/8/98
* @param nsIParser** ptr to newly instantiated parser
* @return NS_xxx error result
*/
nsresult NS_NewWellFormed_DTD(nsIDTD** aInstancePtrResult)
{
CWellFormedDTD* it = new CWellFormedDTD();
if (it == 0) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kClassIID, (void **) aInstancePtrResult);
}
NS_IMPL_ADDREF(CWellFormedDTD)
NS_IMPL_RELEASE(CWellFormedDTD)
/**
* Default constructor
*
* @update gess 4/9/98
* @param
* @return
*/
CWellFormedDTD::CWellFormedDTD() : nsIDTD() {
NS_INIT_REFCNT();
mParser=0;
mSink=0;
mLineNumber=1;
mTokenizer=0;
mDTDState=NS_OK;
}
/**
* Default destructor
*
* @update gess 4/9/98
* @param
* @return
*/
CWellFormedDTD::~CWellFormedDTD(){
mParser=0; //just to prove we destructed...
NS_IF_RELEASE(mTokenizer);
}
/**
*
* @update gess1/8/99
* @param
* @return
*/
const nsIID& CWellFormedDTD::GetMostDerivedIID(void) const{
return kClassIID;
}
/**
* Call this method if you want the DTD to construct a fresh
* instance of itself.
* @update gess7/23/98
* @param
* @return
*/
nsresult CWellFormedDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
return NS_NewWellFormed_DTD(aInstancePtrResult);
}
/**
* This method is called to determine if the given DTD can parse
* a document in a given source-type.
* NOTE: Parsing always assumes that the end result will involve
* storing the result in the main content model.
* @update gess6/24/98
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
NS_IMETHODIMP_(eAutoDetectResult)
CWellFormedDTD::CanParse(CParserContext& aParserContext,
const nsString& aBuffer, PRInt32 aVersion)
{
eAutoDetectResult result=eUnknownDetect;
if(eViewSource!=aParserContext.mParserCommand) {
if(aParserContext.mMimeType.EqualsWithConversion(kXMLTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXHTMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kRDFTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXULTextContentType)
#ifdef MOZ_SVG
|| aParserContext.mMimeType.Equals(NS_LITERAL_STRING(kSVGTextContentType))
#endif
) {
result=ePrimaryDetect;
}
else if (aParserContext.mMimeType.IsEmpty()) {
nsAReadableString::const_iterator iter, end;
aBuffer.BeginReading(iter);
aBuffer.EndReading(end);
if (FindInReadable(NS_LITERAL_STRING("<?xml "), iter, end)) {
aParserContext.SetMimeType(NS_ConvertASCIItoUCS2(kXMLTextContentType));
result=eValidDetect;
}
}
}
return result;
}
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
nsresult CWellFormedDTD::WillBuildModel( const CParserContext& aParserContext,nsIContentSink* aSink){
nsresult result=NS_OK;
mFilename=aParserContext.mScanner->GetFilename();
mSink=aSink;
if((!aParserContext.mPrevContext) && (mSink)) {
mLineNumber=1;
result = mSink->WillBuildModel();
#if 0
/* COMMENT OUT THIS BLOCK IF: you aren't using an nsHTMLContentSink...*/
{
//now let's automatically open the html...
CStartToken theHTMLToken(eHTMLTag_html);
nsCParserNode theHTMLNode(&theHTMLToken,0);
mSink->OpenHTML(theHTMLNode);
//now let's automatically open the body...
CStartToken theBodyToken(eHTMLTag_body);
nsCParserNode theBodyNode(&theBodyToken,0);
mSink->OpenBody(theBodyNode);
}
/* COMMENT OUT THIS BLOCK IF: you aren't using an nsHTMLContentSink...*/
#endif
}
return result;
}
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess 1/4/99
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHODIMP CWellFormedDTD::BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver,nsIContentSink* aSink) {
nsresult result=NS_OK;
if(aTokenizer) {
nsHTMLTokenizer* oldTokenizer=mTokenizer;
mTokenizer=(nsHTMLTokenizer*)aTokenizer;
while(NS_SUCCEEDED(result)){
if(mDTDState!=NS_ERROR_HTMLPARSER_STOPPARSING) {
CToken* theToken=mTokenizer->PopToken();
if(theToken) {
result=HandleToken(theToken,aParser);
if(NS_SUCCEEDED(result) || (NS_ERROR_HTMLPARSER_BLOCK==result)) {
IF_FREE(theToken, mTokenizer->GetTokenAllocator());
}
else {
// if(NS_ERROR_HTMLPARSER_BLOCK!=result){
mTokenizer->PushTokenFront(theToken);
}
}
else break;
}
else result=mDTDState;
}//while
mTokenizer=oldTokenizer;
}
else result=NS_ERROR_HTMLPARSER_BADTOKENIZER;
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP CWellFormedDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink){
nsresult result= NS_OK;
//ADD CODE HERE TO CLOSE OPEN CONTAINERS...
if(aParser){
mSink=aParser->GetContentSink();
if((aNotifySink) && (mSink)) {
result = mSink->DidBuildModel(1);
#if 0
/* COMMENT OUT THIS BLOCK IF: you aren't using an nsHTMLContentSink...*/
{
nsIHTMLContentSink* mSink=(nsIHTMLContentSink*)mSink;
//now let's automatically open the body...
CEndToken theBodyToken(eHTMLTag_body);
nsCParserNode theBodyNode(&theBodyToken,0);
mSink->CloseBody(theBodyNode);
//now let's automatically open the html...
CEndToken theHTMLToken(eHTMLTag_html);
nsCParserNode theHTMLNode(&theBodyToken,0);
mSink->CloseHTML(theBodyNode);
}
/* COMMENT OUT THIS BLOCK IF: you aren't using an nsHTMLContentSink...*/
#endif
}
}
return result;
}
/**
*
* @update gess8/4/98
* @param
* @return
*/
nsTokenAllocator* CWellFormedDTD::GetTokenAllocator(void){
nsITokenizer* theTokenizer=0;
nsresult result=GetTokenizer(theTokenizer);
if (NS_SUCCEEDED(result)) {
return theTokenizer->GetTokenAllocator();
}
return 0;
}
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method. Here we process only
* the "error" token.
*
* @update harishd 07/22/99
* @param aParser - Parser that exists.
* @return NS_ERROR_HTMLPARSER_STOPPARSING or the appropriate error.
*/
nsresult CWellFormedDTD::Terminate(nsIParser* aParser)
{
nsresult result=NS_OK;
if(mTokenizer) {
nsTokenAllocator* theAllocator=mTokenizer->GetTokenAllocator();
if(theAllocator) {
eHTMLTokenTypes theType=eToken_unknown;
mDTDState=NS_ERROR_HTMLPARSER_STOPPARSING;
while(result==NS_OK){
CToken* theToken=mTokenizer->PopToken();
if(theToken) {
theType=(eHTMLTokenTypes)theToken->GetTokenType();
if(theType==eToken_error) {
result=HandleToken(theToken,aParser);
}
IF_FREE(theToken, mTokenizer->GetTokenAllocator());
}
else break;
}//while
}//if
}//if
result=(NS_SUCCEEDED(result))? mDTDState:result;
return result;
}
/**
* Retrieve the preferred tokenizer for use by this DTD.
* @update gess12/28/98
* @param none
* @return ptr to tokenizer
*/
nsresult CWellFormedDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
nsresult result=NS_OK;
if(!mTokenizer) {
mTokenizer=(nsHTMLTokenizer*)new nsExpatTokenizer(&mFilename);
NS_IF_ADDREF(mTokenizer);
}
aTokenizer=mTokenizer;
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP CWellFormedDTD::WillResumeParse(void){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillResume();
}
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP CWellFormedDTD::WillInterruptParse(void){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillInterrupt();
}
return result;
}
/**
* Called by the parser to enable/disable dtd verification of the
* internal context stack.
* @update gess 7/23/98
* @param
* @return
*/
void CWellFormedDTD::SetVerification(PRBool aEnabled){
}
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
PRBool CWellFormedDTD::CanContain(PRInt32 aParent,PRInt32 aChild) const{
PRBool result=PR_TRUE;
return result;
}
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHODIMP
CWellFormedDTD::StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP_(const PRUnichar *)
CWellFormedDTD::IntTagToStringTag(PRInt32 aIntTag) const
{
return nsnull;
}
NS_IMETHODIMP
CWellFormedDTD::ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
PRBool CWellFormedDTD::IsContainer(PRInt32 aTag) const{
PRBool result=PR_TRUE;
return result;
}
/**
*
* @update vidur 11/12/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHODIMP CWellFormedDTD::HandleToken(CToken* aToken,nsIParser* aParser) {
nsresult result=NS_OK;
CHTMLToken* theToken= (CHTMLToken*)(aToken);
eHTMLTokenTypes theType= (eHTMLTokenTypes)theToken->GetTokenType();
mParser=(nsParser*)aParser;
mSink=aParser->GetContentSink();
switch(theType) {
case eToken_newline:
mLineNumber++; //now fall through
case eToken_entity:
case eToken_whitespace:
case eToken_text:
case eToken_cdatasection:
case eToken_markupDecl:
result=HandleLeafToken(aToken);
break;
case eToken_comment:
result=HandleCommentToken(aToken);
break;
case eToken_instruction:
result=HandleProcessingInstructionToken(aToken);
break;
case eToken_start:
result=HandleStartToken(aToken);
break;
case eToken_end:
result=HandleEndToken(aToken);
break;
case eToken_error:
result=HandleErrorToken(aToken);
break;
case eToken_doctypeDecl:
result=HandleDocTypeDeclToken(aToken);
break;
case eToken_style:
case eToken_skippedcontent:
default:
result=NS_OK;
}//switch
return result;
}
/**
* This method gets called when a leaf token has been
* encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleLeafToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result= (mSink)? mSink->AddLeaf(theNode):NS_OK;
return result;
}
/**
* This method gets called when a comment token has been
* encountered in the parse process. Here we also make sure
* to count the newlines in the comment.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleCommentToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
CCommentToken* theToken = (CCommentToken*)aToken;
mLineNumber += CountCharInReadable(theToken->GetStringValue(),
PRUnichar(kNewLine));
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result=(mSink)? mSink->AddComment(theNode):NS_OK;
return result;
}
/**
* This method gets called when a prcessing instruction
* has been encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleProcessingInstructionToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result=(mSink)? mSink->AddProcessingInstruction(theNode):NS_OK;
return result;
}
/**
* This method gets called when a start token has been
* encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next (start) token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleStartToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
PRInt16 attrCount=aToken->GetAttributeCount();
if(0<attrCount){ //go collect the attributes...
int attr=0;
for(attr=0;attr<attrCount;attr++){
CToken* theInnerToken= (mTokenizer)? mTokenizer->PeekToken():nsnull;
if(theInnerToken) {
eHTMLTokenTypes theInnerType=eHTMLTokenTypes(theInnerToken->GetTokenType());
if(eToken_attribute==theInnerType){
mTokenizer->PopToken(); //pop it for real...
theNode.AddAttribute(theInnerToken);
}
}
else return kEOF;
}
}
// Pass the ID Attribute atom from the start token to the parser node
CStartToken* startToken = NS_STATIC_CAST(CStartToken *, aToken);
nsCOMPtr<nsIAtom> IDAttr=nsnull;
result = startToken->GetIDAttributeAtom(getter_AddRefs(IDAttr));
if (IDAttr && NS_SUCCEEDED(result))
result = theNode.SetIDAttributeAtom(IDAttr);
if(NS_OK==result){
if(mSink) {
result=mSink->OpenContainer(theNode);
if(((CStartToken*)aToken)->IsEmpty()){
result=mSink->CloseContainer(theNode);
}
}
}
return result;
}
/**
* This method gets called when an end token has been
* encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next (end) token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleEndToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result=(mSink)? mSink->CloseContainer(theNode):NS_OK;
return result;
}
/**
* This method gets called when an error token has been
* encountered in the parse process.
* FYI: when the document is malformed this is the only
* token that will get reported to the content sink.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleErrorToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
if(mTokenizer) {
// Cycle through the remaining tokens in the token stream and handle them
// These tokens were added so that content objects for the error message
// are generated by the content sink
while (PR_TRUE) {
CToken* token = mTokenizer->PopToken();
if(token) {
eHTMLTokenTypes type = (eHTMLTokenTypes) token->GetTokenType();
switch(type) {
case eToken_newline:
mLineNumber++; //now fall through
case eToken_whitespace:
case eToken_text:
HandleLeafToken(token);
break;
case eToken_start:
HandleStartToken(token);
break;
case eToken_end:
HandleEndToken(token);
break;
default:
// Do nothing
break;
}
IF_FREE(token, mTokenizer->GetTokenAllocator());
}
else
break;
}
}
// Propagate the error onto the content sink.
CErrorToken *errTok = (CErrorToken *)aToken;
const nsParserError* error = errTok->GetError();
result=(mSink)? mSink->NotifyError(error):NS_OK;
// Output the error to the console
if (error) {
nsCAutoString temp;
temp.AssignWithConversion(mFilename);
PR_fprintf(PR_STDOUT, "XML Error in file '%s', ", temp.get());
PR_fprintf(PR_STDOUT, "Line Number: %d, ", error->lineNumber);
PR_fprintf(PR_STDOUT, "Col Number: %d, ", error->colNumber);
temp.AssignWithConversion(error->description);
PR_fprintf(PR_STDOUT, "Description: %s\n", temp.get());
temp.AssignWithConversion(error->sourceLine);
PR_fprintf(PR_STDOUT, "Source Line: %s\n", temp.get());
}
return result;
}
/**
* This method gets called when a doc. type token has been
* encountered in the parse process.
*
* @update harishd 08/18/99
*
* @param aToken -- next token to be handled
* @return NS_OK if all went well; NS_ERROR_XXX if error occured
*/
nsresult CWellFormedDTD::HandleDocTypeDeclToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,"null token");
nsresult result=NS_OK;
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber,mTokenizer->GetTokenAllocator());
result = (mSink)? mSink->AddDocTypeDecl(theNode, 0):NS_OK;
return result;
}

271
parser/htmlparser/src/nsWellFormedDTD.h
Просмотреть файл

@ -1,271 +0,0 @@
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/**
* MODULE NOTES:
* @update gess 4/8/98
*
*
*/
#ifndef __NS_WELLFORMED_DTD
#define __NS_WELLFORMED_DTD
#include "nsIDTD.h"
#include "nsISupports.h"
#include "nsHTMLTokens.h"
#include "nsIContentSink.h"
#define NS_WELLFORMED_DTD_IID \
{0xa39c6bfd, 0x15f0, 0x11d2, \
{0x80, 0x41, 0x0, 0x10, 0x4b, 0x98, 0x3f, 0xd4}}
class nsIDTDDebug;
class nsIParserNode;
class nsParser;
class nsHTMLTokenizer;
class CWellFormedDTD : public nsIDTD
{
public:
NS_DECL_ISUPPORTS
/**
*
*
* @update gess 4/9/98
* @param
* @return
*/
CWellFormedDTD();
/**
*
*
* @update gess 4/9/98
* @param
* @return
*/
virtual ~CWellFormedDTD();
NS_IMETHOD_(const nsIID&) GetMostDerivedIID(void) const;
/**
* Call this method if you want the DTD to construct a clone of itself.
* @update gess7/23/98
* @param
* @return
*/
NS_IMETHOD CreateNewInstance(nsIDTD** aInstancePtrResult);
/**
* This method is called to determine if the given DTD can parse
* a document in a given source-type.
* NOTE: Parsing always assumes that the end result will involve
* storing the result in the main content model.
* @update gess6/24/98
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
NS_IMETHOD_(eAutoDetectResult) CanParse(CParserContext& aParserContext,
const nsString& aBuffer,
PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update rickg 03.20.2000
* @param aParserContext
* @param aSink
* @return error code (almost always 0)
*/
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsIContentSink* aSink);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
nsITokenObserver* anObserver = nsnull,
nsIContentSink* aSink = nsnull);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess5/18/98
* @param anErrorCode contans the last error that occured
* @return error code
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
nsIParser* aParser,
nsIContentSink* aSink = nsnull);
/**
*
* @update gess 3/25/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHOD HandleToken(CToken* aToken, nsIParser* aParser);
/**
*
* @update gess 12/20/99
* @param ptr-ref to (out) tokenizer
* @return nsresult
*/
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHOD WillResumeParse(void);
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHOD WillInterruptParse(void);
/**
* Set this to TRUE if you want the DTD to verify its
* context stack.
* @update gess 7/23/98
* @param
* @return
*/
virtual void SetVerification(PRBool aEnable);
/**
* This method is called to determine whether or not a tag
* of one type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return PR_TRUE if parent can contain child
*/
NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent, PRInt32 aChild) const;
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return PR_TRUE if given tag can contain other tags
*/
NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;
/**
* Retrieve a ptr to the global token recycler...
* @update gess8/4/98
* @return ptr to recycler (or null)
*/
NS_IMETHOD_(nsTokenAllocator *) GetTokenAllocator(void);
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD Terminate(nsIParser* aParser = nsnull);
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHOD StringTagToIntTag(const nsAReadableString &aTag,
PRInt32* aIntTag) const;
NS_IMETHOD_(const PRUnichar *) IntTagToStringTag(PRInt32 aIntTag) const;
NS_IMETHOD ConvertEntityToUnicode(const nsAReadableString& aEntity,
PRInt32* aUnicode) const;
NS_IMETHOD_(PRBool) IsBlockElement(PRInt32 aTagID,
PRInt32 aParentID) const
{
return PR_FALSE;
}
NS_IMETHOD_(PRBool) IsInlineElement(PRInt32 aTagID,
PRInt32 aParentID) const
{
return PR_FALSE;
}
protected:
/*
NS_IMETHODIMP ConsumeTag(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeStartTag(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeText(const nsString& aString,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeNewline(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeWhitespace(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeEscapedContent(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeComment(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeEntity(PRUnichar aChar,nsScanner& aScanner,CToken*& aToken);
NS_IMETHODIMP ConsumeAttributes(PRUnichar aChar,nsScanner& aScanner,CStartToken* aToken);
*/
nsresult HandleStartToken(CToken* aToken);
nsresult HandleEndToken(CToken* aToken);
nsresult HandleCommentToken(CToken* aToken);
nsresult HandleErrorToken(CToken* aToken);
nsresult HandleDocTypeDeclToken(CToken* aToken);
nsresult HandleLeafToken(CToken* aToken);
nsresult HandleProcessingInstructionToken(CToken* aToken);
nsParser* mParser;
nsIContentSink* mSink;
nsString mFilename;
PRInt32 mLineNumber;
nsHTMLTokenizer* mTokenizer;
nsresult mDTDState;
};
extern nsresult NS_NewWellFormed_DTD(nsIDTD** aInstancePtrResult);
#endif

1472
rdf/base/src/nsRDFContentSink.cpp
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8
rdf/tests/rdfpoll/rdfpoll.cpp
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@ -125,11 +125,11 @@ SetupRegistry(void)
nsComponentManager::RegisterComponent(kIOServiceCID, NULL, NULL, NETLIB_DLL, PR_FALSE, PR_FALSE);
// parser
static NS_DEFINE_CID(kParserCID, NS_PARSER_CID);
static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
static NS_DEFINE_CID(kParserCID, NS_PARSER_CID);
static NS_DEFINE_IID(kExpatDriverCID, NS_EXPAT_DRIVER_CID);
nsComponentManager::RegisterComponent(kParserCID, NULL, NULL, PARSER_DLL, PR_FALSE, PR_FALSE);
nsComponentManager::RegisterComponent(kWellFormedDTDCID, NULL, NULL, PARSER_DLL, PR_FALSE, PR_FALSE);
nsComponentManager::RegisterComponent(kParserCID, NULL, NULL, PARSER_DLL, PR_FALSE, PR_FALSE);
nsComponentManager::RegisterComponent(kExpatDriverCID, NULL, NULL, PARSER_DLL, PR_FALSE, PR_FALSE);
// layout
static NS_DEFINE_CID(kNameSpaceManagerCID, NS_NAMESPACEMANAGER_CID);