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pjs
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new primaryDetect code in DTD detection system; fixes XIF

This commit is contained in:
rickg%netscape.com 1999-02-18 23:45:44 +00:00
Родитель 7eb8ca88d0
Коммит 3a8879990b
36 изменённых файлов: 252 добавлений и 650 удалений
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68
htmlparser/src/CNavDTD.cpp
Просмотреть файл

@ -437,40 +437,29 @@ PRBool CNavDTD::Verify(nsString& aURLRef,nsIParser* aParser){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CNavDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=PR_FALSE;
if(!aCommand.Equals(kViewSourceCommand)) {
if(PR_TRUE==aContentType.Equals(kHTMLTextContentType) || PR_TRUE==aContentType.Equals(kPlainTextContentType)) {
result=PR_TRUE;
}
}
return result;
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult CNavDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult CNavDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(PR_TRUE==aType.Equals(kHTMLTextContentType) ||
PR_TRUE==aType.Equals(kPlainTextContentType)) {
result=eValidDetect;
}
else {
//otherwise, look into the buffer to see if you recognize anything...
if(BufferContainsHTML(aBuffer)){
if(!aCommand.Equals(kViewSourceCommand)) {
if(PR_TRUE==aContentType.Equals(kHTMLTextContentType)) {
result=ePrimaryDetect;
}
else if(PR_TRUE==aContentType.Equals(kPlainTextContentType)) {
result=eValidDetect;
if(0==aType.Length())
aType=kHTMLTextContentType;
}
else {
//otherwise, look into the buffer to see if you recognize anything...
if(BufferContainsHTML(aBuffer)){
result=ePrimaryDetect;
if(0==aContentType.Length())
aContentType=kHTMLTextContentType;
}
}
}
return result;
}
/**
*
* @update gess5/18/98
@ -558,17 +547,21 @@ nsresult CNavDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParse
result = CloseContainersTo(0,eHTMLTag_unknown,PR_FALSE);
}
result = mSink->DidBuildModel(1);
#ifdef DEBUG
#ifdef NS_DEBUG
if(mComputedCRC32!=mExpectedCRC32) {
if(mExpectedCRC32!=0) {
printf("Expected CRC: %u,",mExpectedCRC32);
result = mSink->DidBuildModel(2);
}
else {
printf("Computed CRC: %u.\n",mComputedCRC32);
result = mSink->DidBuildModel(3);
}
printf("Computed CRC: %u.\n",mComputedCRC32);
}
else result = mSink->DidBuildModel(0);
#else
result = mSink->DidBuildModel(3);
#endif
if(mDTDDebug) {
mDTDDebug->DumpVectorRecord();
}
@ -631,7 +624,7 @@ nsresult CNavDTD::ReleaseTokenPump(nsITagHandler* aHandler){
nsresult result=NS_OK;
return result;
}
/**
* This gets called after we've handled a given start tag.
* It's a generic hook to let us to post processing.
@ -639,7 +632,7 @@ nsresult CNavDTD::ReleaseTokenPump(nsITagHandler* aHandler){
* @param aChildTag is the tag itself.
* @return status
*/
nsresult CNavDTD::DidHandleStartTag(CToken* aToken,eHTMLTags aChildTag){
nsresult CNavDTD::DidHandleStartTag(nsCParserNode& aNode,eHTMLTags aChildTag){
nsresult result=NS_OK;
CToken* theNextToken=mTokenizer->PeekToken();
@ -676,10 +669,9 @@ nsresult CNavDTD::DidHandleStartTag(CToken* aToken,eHTMLTags aChildTag){
case eHTMLTag_plaintext:
case eHTMLTag_xmp:
//grab the skipped content and dump it out as text...
if(theNextToken && mSink){
eHTMLTokenTypes theType=eHTMLTokenTypes(theNextToken->GetTokenType());
if(eToken_skippedcontent==theType){
nsString& theText=((CAttributeToken*)theNextToken)->GetKey();
{
const nsString& theText=aNode.GetSkippedContent();
if(0<theText.Length()) {
CViewSourceHTML::WriteText(theText,*mSink,PR_TRUE);
}
}
@ -1061,7 +1053,7 @@ nsresult CNavDTD::HandleStartToken(CToken* aToken) {
} //switch
//now do any post processing necessary on the tag...
if(NS_OK==result)
DidHandleStartTag(aToken,theChildTag);
DidHandleStartTag(attrNode,theChildTag);
}
} //if

15
htmlparser/src/CNavDTD.h
Просмотреть файл

@ -159,18 +159,7 @@ CLASS_EXPORT_HTMLPARS CNavDTD : public nsIDTD {
* being asked to parse).
* @return TRUE if this DTD parse the given type; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
* This method gets called to determine if the DTD can determine the
* kind of data contained in the given buffer string. If you know the
* type, the you should enter its stringname aType.
* @update gess7/7/98
* @param aBuffer contains data to be examined for autodetection.
* @param aType will contain a typename you specify.
* @return unknown, valid (if you know the type), invalid (if you dont)
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* Called by the parser to initiate dtd verification of the
@ -516,7 +505,7 @@ protected:
nsresult CollectAttributes(nsCParserNode& aNode,PRInt32 aCount);
nsresult CollectSkippedContent(nsCParserNode& aNode,PRInt32& aCount);
nsresult WillHandleStartTag(CToken* aToken,eHTMLTags aChildTag,nsCParserNode& aNode);
nsresult DidHandleStartTag(CToken* aToken,eHTMLTags aChildTag);
nsresult DidHandleStartTag(nsCParserNode& aNode,eHTMLTags aChildTag);
nsIHTMLContentSink* mSink;

15
htmlparser/src/COtherDTD.cpp
Просмотреть файл

@ -177,21 +177,10 @@ nsresult COtherDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool COtherDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
return CNavDTD::CanParse(aContentType,aCommand,aVersion);
eAutoDetectResult COtherDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
return CNavDTD::CanParse(aContentType,aCommand,aBuffer,aVersion);
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult COtherDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
return CNavDTD::AutoDetectContentType(aBuffer,aType);
}
/**
* This method gets called when a start token has been
* encountered in the parse process. If the current container

10
htmlparser/src/COtherDTD.h
Просмотреть файл

@ -81,15 +81,7 @@ class COtherDTD : public CNavDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**

23
htmlparser/src/CRtfDTD.cpp
Просмотреть файл

@ -242,23 +242,14 @@ nsresult CRtfDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CRtfDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=aContentType.Equals(kRTFTextContentType);
return result;
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult CRtfDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult CRtfDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(kNotFound!=aBuffer.Find(kRTFDocHeader))
if(PR_TRUE==aType.Equals(kRTFTextContentType))
result=eValidDetect;
if(aContentType.Equals(kRTFTextContentType)) {
result=ePrimaryDetect;
}
else if(kNotFound!=aBuffer.Find(kRTFDocHeader)) {
result=ePrimaryDetect;
}
return result;
}

10
htmlparser/src/CRtfDTD.h
Просмотреть файл

@ -184,15 +184,7 @@ class CRtfDTD : public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before

24
htmlparser/src/nsIDTD.h
Просмотреть файл

@ -39,6 +39,14 @@
#define NS_IDTD_IID \
{ 0xa6cf9053, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
enum eAutoDetectResult {
eUnknownDetect,
eValidDetect,
ePrimaryDetect,
eInvalidDetect
};
class nsIParser;
class CToken;
class nsIDTDDebug;
@ -47,9 +55,6 @@ class nsString;
class nsITagHandler;
class nsIContentSink;
enum eAutoDetectResult {eUnknownDetect, eValidDetect, eInvalidDetect};
class nsIDTD : public nsISupports {
public:
@ -80,18 +85,7 @@ class nsIDTD : public nsISupports {
* @param aContentType -- string representing type of doc to be converted (ie text/html)
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion)=0;
/**
* This method, typically called by the parser, is used to try to autodetect the
* type of data contained in the given buffer. The implementor should look at the
* buffers contents to try to determine its encoding type.
* @update gess7/7/98
* @param aBuffer-contains data to be scanned to autodetect type
* @param aType-will hold the result if type is autodetected
* @return eValid (if detected), eInvalid (if not) or eUnknown (if nothing can be done)
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType)=0;
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion)=0;
/**
* Called by the parser just before the parsing process begins

12
htmlparser/src/nsIParser.h
Просмотреть файл

@ -65,6 +65,7 @@ enum eCRCQuality {
eCRCPoor
};
enum eStreamState {eNone,eOnStart,eOnDataAvail,eOnStop};
/**
@ -114,17 +115,6 @@ class nsIParser : public nsISupports {
*/
virtual void SetCommand(const char* aCommand)=0;
/**
* This internal method is used when the parser needs to determine the
* type of content it's being asked to parse.
*
* @update gess 3/25/98
* @param aBuffer -- contains data to be tested (autodetected) for type
* @param aType -- string where you store the detected type (if any)
* @return autodetect enum (valid, invalid, unknown)
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType)=0;
/******************************************************************************************
* Parse methods always begin with an input source, and perform conversions

91
htmlparser/src/nsParser.cpp
Просмотреть файл

@ -327,68 +327,34 @@ eParseMode nsParser::GetParseMode(void){
* @param
* @return
*/
PRBool FindSuitableDTD( CParserContext& aParserContext,nsString& aCommand) {
PRBool FindSuitableDTD( CParserContext& aParserContext,nsString& aCommand,nsString& aBuffer) {
//Let's start by tring the defaultDTD, if one exists...
if(aParserContext.mDTD)
if(aParserContext.mDTD->CanParse(aParserContext.mSourceType,aCommand,0))
if(aParserContext.mDTD->CanParse(aParserContext.mSourceType,aCommand,aBuffer,0))
return PR_TRUE;
PRBool result=PR_FALSE;
nsDequeIterator b=gSharedParserObjects.mDTDDeque.Begin();
nsDequeIterator e=gSharedParserObjects.mDTDDeque.End();
while(b<e){
aParserContext.mAutoDetectStatus=eUnknownDetect;
nsIDTD* theBestDTD=0;
while((b<e) && (aParserContext.mAutoDetectStatus!=ePrimaryDetect)){
nsIDTD* theDTD=(nsIDTD*)b.GetCurrent();
if(theDTD) {
result=theDTD->CanParse(aParserContext.mSourceType,aCommand,0);
if(result){
theDTD->CreateNewInstance(&aParserContext.mDTD);
break;
aParserContext.mAutoDetectStatus=theDTD->CanParse(aParserContext.mSourceType,aCommand,aBuffer,0);
if((eValidDetect==aParserContext.mAutoDetectStatus) || (ePrimaryDetect==aParserContext.mAutoDetectStatus)) {
theBestDTD=theDTD;
}
}
b++;
}
return result;
}
/**
* Call this method if you want the known DTD's to try
* to detect the document type based through analysis
* of the underlying stream.
*
* @update gess6/22/98
* @param aBuffer -- nsString containing sample data to be analyzed.
* @param aType -- may hold typename given from netlib; will hold result given by DTD's.
* @return auto-detect result: eValid, eInvalid, eUnknown
*/
eAutoDetectResult nsParser::AutoDetectContentType(nsString& aBuffer,nsString& aType) {
//The process:
// You should go out and ask each DTD if they
// recognize the content in the scanner.
// Somebody should say yes, or we can't continue.
//This method may change mSourceType and mParserContext->mDTD.
//It absolutely changes mParserContext->mAutoDetectStatus
nsDequeIterator b=gSharedParserObjects.mDTDDeque.Begin();
nsDequeIterator e=gSharedParserObjects.mDTDDeque.End();
mParserContext->mAutoDetectStatus=eUnknownDetect;
while(b<e){
nsIDTD* theDTD=(nsIDTD*)b.GetCurrent();
if(theDTD) {
mParserContext->mAutoDetectStatus=theDTD->AutoDetectContentType(aBuffer,aType);
if(eValidDetect==mParserContext->mAutoDetectStatus)
break;
}
b++;
}
return mParserContext->mAutoDetectStatus;
if(theBestDTD) {
theBestDTD->CreateNewInstance(&aParserContext.mDTD);
return PR_TRUE;
}
return PR_FALSE;
}
@ -443,24 +409,21 @@ nsresult nsParser::WillBuildModel(nsString& aFilename,nsIDTD* aDefaultDTD){
nsresult result=NS_OK;
if(eOnStart==mParserContext->mStreamListenerState) {
mMajorIteration=-1;
mMinorIteration=-1;
if(eUnknownDetect==mParserContext->mAutoDetectStatus) {
if(eValidDetect==AutoDetectContentType(mParserContext->mScanner->GetBuffer(),mParserContext->mSourceType)) {
if(mParserContext){
if(mParserContext){
if(eOnStart==mParserContext->mStreamListenerState) {
mMajorIteration=-1;
mMinorIteration=-1;
if(eUnknownDetect==mParserContext->mAutoDetectStatus) {
mParserContext->mDTD=aDefaultDTD;
if(PR_TRUE==FindSuitableDTD(*mParserContext,mCommand,mParserContext->mScanner->GetBuffer())) {
mParserContext->mParseMode=DetermineParseMode(*this);
mParserContext->mDTD=aDefaultDTD;
if(PR_TRUE==FindSuitableDTD(*mParserContext,mCommand)) {
//mParserContext->mDTD->SetContentSink(mSink);
mParserContext->mStreamListenerState=eOnDataAvail;
mParserContext->mDTD->WillBuildModel(aFilename,PRBool(0==mParserContext->mPrevContext),this,mSink);
}
}
else result=kInvalidParserContext;
} //if
}
}
mParserContext->mStreamListenerState=eOnDataAvail;
mParserContext->mDTD->WillBuildModel(aFilename,PRBool(0==mParserContext->mPrevContext),this,mSink);
}//if
}//if
}//if
}
else result=kInvalidParserContext;
return result;
}

12
htmlparser/src/nsParser.h
Просмотреть файл

@ -290,18 +290,6 @@ private:
*/
PRBool DidTokenize();
/**
* This method is used as a backstop to compute the kind of content
* that is contained in the scanner stream. This method is important
* because it allows us to defer the resolution of our DTD (and hence)
* filters and maybe eventually sinks based on the input type.
*
* @update gess6/22/98
* @param
* @return TRUE if we figured it out.
*/
eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
protected:
//*********************************************

16
htmlparser/src/nsValidDTD.cpp
Просмотреть файл

@ -176,12 +176,11 @@ nsresult CValidDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CValidDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=aContentType.Equals(kXMLTextContentType);
eAutoDetectResult CValidDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
return result;
}
/**
* This method is called to determine if the given DTD can perform
* a document conversion from a given source-type to a given target-type.
@ -195,17 +194,6 @@ PRBool CValidDTD::CanConvert(nsString& aSourceType, nsString& aTargetType, PRInt
return result;
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult CValidDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult result=eUnknownDetect;
return result;
}
/**
*
* @update gess5/18/98

11
htmlparser/src/nsValidDTD.h
Просмотреть файл

@ -92,8 +92,7 @@ class CValidDTD : public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* This method is called to determine if the given DTD can perform
@ -105,14 +104,6 @@ class CValidDTD : public nsIDTD {
*/
virtual PRBool CanConvert(nsString& aSourceType, nsString& aTargetType, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser

35
htmlparser/src/nsViewSourceHTML.cpp
Просмотреть файл

@ -227,30 +227,17 @@ nsresult CViewSourceHTML::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CViewSourceHTML::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=PR_FALSE;
if(aCommand.Equals(kViewSourceCommand)) {
result=(aContentType.Equals(kXMLTextContentType) ||
aContentType.Equals(kRDFTextContentType) ||
aContentType.Equals(kHTMLTextContentType) ||
aContentType.Equals(kPlainTextContentType) ||
aContentType.Equals(kXULTextContentType));
}
return result;
}
/**
* This is called to ask the DTD if it recognizes either the aType or data in the buffer.
* We intentionally say NO to autodetect types so that XML and HTML dtds can do the right thing.
* If either of those DTD's say YES, then we'll agree and render either.
*
* @update gess7/7/98
* @param
* @return detect result
*/
eAutoDetectResult CViewSourceHTML::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult CViewSourceHTML::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(aCommand.Equals(kViewSourceCommand)) {
if(aContentType.Equals(kXMLTextContentType) ||
aContentType.Equals(kRDFTextContentType) ||
aContentType.Equals(kHTMLTextContentType) ||
aContentType.Equals(kPlainTextContentType) ||
aContentType.Equals(kXULTextContentType)) {
result=eValidDetect;
}
}
return result;
}
@ -503,7 +490,7 @@ nsresult WriteNBSP(PRInt32 aCount, nsIContentSink& aSink) {
* @param
* @return result status
*/
nsresult CViewSourceHTML::WriteText(nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveSpace) {
nsresult CViewSourceHTML::WriteText(const nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveSpace) {
nsresult result=NS_OK;
CTextToken theTextToken;

12
htmlparser/src/nsViewSourceHTML.h
Просмотреть файл

@ -93,15 +93,7 @@ class CViewSourceHTML: public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
@ -233,7 +225,7 @@ class CViewSourceHTML: public nsIDTD {
virtual PRBool IsContainer(PRInt32 aTag) const;
static nsresult WriteText(nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveText);
static nsresult WriteText(const nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveText);
protected:

41
htmlparser/src/nsWellFormedDTD.cpp
Просмотреть файл

@ -179,39 +179,28 @@ nsresult CWellFormedDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CWellFormedDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=PR_FALSE;
if(!aCommand.Equals(kViewSourceCommand)) {
result=(aContentType.Equals(kXMLTextContentType) ||
aContentType.Equals(kRDFTextContentType) ||
aContentType.Equals(kXULTextContentType));
}
return result;
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult CWellFormedDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult CWellFormedDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(PR_TRUE==aType.Equals(kXMLTextContentType) ||
PR_TRUE==aType.Equals(kRDFTextContentType) ||
PR_TRUE==aType.Equals(kXULTextContentType)) {
result=eValidDetect;
}
else {
if(-1<aBuffer.Find("<?xml ")) {
aType = kXMLTextContentType;
if(!aCommand.Equals(kViewSourceCommand)) {
if(aContentType.Equals(kXMLTextContentType) ||
aContentType.Equals(kRDFTextContentType) ||
aContentType.Equals(kXULTextContentType)) {
result=eValidDetect;
}
else {
if(-1<aBuffer.Find("<?xml ")) {
if(0==aContentType.Length()) {
aContentType = kXMLTextContentType; //only reset it if it's empty
}
result=eValidDetect;
}
}
}
return result;
}
/**
*
* @update gess5/18/98

10
htmlparser/src/nsWellFormedDTD.h
Просмотреть файл

@ -91,15 +91,7 @@ class CWellFormedDTD : public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before

34
htmlparser/src/nsXIFDTD.cpp
Просмотреть файл

@ -383,31 +383,23 @@ nsresult nsXIFDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* 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 gpk 07/09/98
* @update gess 02/16/99
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool nsXIFDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=aContentType.Equals(kXIFTextContentType);
return result;
}
/**
*
* @update gpk 07/09/98
* @param
* @return
*/
eAutoDetectResult nsXIFDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult nsXIFDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(kNotFound!=aBuffer.Find(kXIFDocHeader))
{
PRInt32 offset = aBuffer.Find("<section>");
if (offset != -1)
aBuffer.Cut(0,offset);
aType = kXIFTextContentType;
result=eValidDetect;
if(aContentType.Equals(kXIFTextContentType)){
result=ePrimaryDetect;
}
else {
if(kNotFound!=aBuffer.Find(kXIFDocHeader)) {
PRInt32 offset = aBuffer.Find("<section>");
if (offset != -1)
aBuffer.Cut(0,offset);
aContentType= kXIFTextContentType;
result=ePrimaryDetect;
}
}
return result;
}

12
htmlparser/src/nsXIFDTD.h
Просмотреть файл

@ -146,17 +146,7 @@ class nsXIFDTD : public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gpk 7/9/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
*

68
parser/htmlparser/src/CNavDTD.cpp
Просмотреть файл

@ -437,40 +437,29 @@ PRBool CNavDTD::Verify(nsString& aURLRef,nsIParser* aParser){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CNavDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=PR_FALSE;
if(!aCommand.Equals(kViewSourceCommand)) {
if(PR_TRUE==aContentType.Equals(kHTMLTextContentType) || PR_TRUE==aContentType.Equals(kPlainTextContentType)) {
result=PR_TRUE;
}
}
return result;
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult CNavDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult CNavDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(PR_TRUE==aType.Equals(kHTMLTextContentType) ||
PR_TRUE==aType.Equals(kPlainTextContentType)) {
result=eValidDetect;
}
else {
//otherwise, look into the buffer to see if you recognize anything...
if(BufferContainsHTML(aBuffer)){
if(!aCommand.Equals(kViewSourceCommand)) {
if(PR_TRUE==aContentType.Equals(kHTMLTextContentType)) {
result=ePrimaryDetect;
}
else if(PR_TRUE==aContentType.Equals(kPlainTextContentType)) {
result=eValidDetect;
if(0==aType.Length())
aType=kHTMLTextContentType;
}
else {
//otherwise, look into the buffer to see if you recognize anything...
if(BufferContainsHTML(aBuffer)){
result=ePrimaryDetect;
if(0==aContentType.Length())
aContentType=kHTMLTextContentType;
}
}
}
return result;
}
/**
*
* @update gess5/18/98
@ -558,17 +547,21 @@ nsresult CNavDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParse
result = CloseContainersTo(0,eHTMLTag_unknown,PR_FALSE);
}
result = mSink->DidBuildModel(1);
#ifdef DEBUG
#ifdef NS_DEBUG
if(mComputedCRC32!=mExpectedCRC32) {
if(mExpectedCRC32!=0) {
printf("Expected CRC: %u,",mExpectedCRC32);
result = mSink->DidBuildModel(2);
}
else {
printf("Computed CRC: %u.\n",mComputedCRC32);
result = mSink->DidBuildModel(3);
}
printf("Computed CRC: %u.\n",mComputedCRC32);
}
else result = mSink->DidBuildModel(0);
#else
result = mSink->DidBuildModel(3);
#endif
if(mDTDDebug) {
mDTDDebug->DumpVectorRecord();
}
@ -631,7 +624,7 @@ nsresult CNavDTD::ReleaseTokenPump(nsITagHandler* aHandler){
nsresult result=NS_OK;
return result;
}
/**
* This gets called after we've handled a given start tag.
* It's a generic hook to let us to post processing.
@ -639,7 +632,7 @@ nsresult CNavDTD::ReleaseTokenPump(nsITagHandler* aHandler){
* @param aChildTag is the tag itself.
* @return status
*/
nsresult CNavDTD::DidHandleStartTag(CToken* aToken,eHTMLTags aChildTag){
nsresult CNavDTD::DidHandleStartTag(nsCParserNode& aNode,eHTMLTags aChildTag){
nsresult result=NS_OK;
CToken* theNextToken=mTokenizer->PeekToken();
@ -676,10 +669,9 @@ nsresult CNavDTD::DidHandleStartTag(CToken* aToken,eHTMLTags aChildTag){
case eHTMLTag_plaintext:
case eHTMLTag_xmp:
//grab the skipped content and dump it out as text...
if(theNextToken && mSink){
eHTMLTokenTypes theType=eHTMLTokenTypes(theNextToken->GetTokenType());
if(eToken_skippedcontent==theType){
nsString& theText=((CAttributeToken*)theNextToken)->GetKey();
{
const nsString& theText=aNode.GetSkippedContent();
if(0<theText.Length()) {
CViewSourceHTML::WriteText(theText,*mSink,PR_TRUE);
}
}
@ -1061,7 +1053,7 @@ nsresult CNavDTD::HandleStartToken(CToken* aToken) {
} //switch
//now do any post processing necessary on the tag...
if(NS_OK==result)
DidHandleStartTag(aToken,theChildTag);
DidHandleStartTag(attrNode,theChildTag);
}
} //if

15
parser/htmlparser/src/CNavDTD.h
Просмотреть файл

@ -159,18 +159,7 @@ CLASS_EXPORT_HTMLPARS CNavDTD : public nsIDTD {
* being asked to parse).
* @return TRUE if this DTD parse the given type; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
* This method gets called to determine if the DTD can determine the
* kind of data contained in the given buffer string. If you know the
* type, the you should enter its stringname aType.
* @update gess7/7/98
* @param aBuffer contains data to be examined for autodetection.
* @param aType will contain a typename you specify.
* @return unknown, valid (if you know the type), invalid (if you dont)
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* Called by the parser to initiate dtd verification of the
@ -516,7 +505,7 @@ protected:
nsresult CollectAttributes(nsCParserNode& aNode,PRInt32 aCount);
nsresult CollectSkippedContent(nsCParserNode& aNode,PRInt32& aCount);
nsresult WillHandleStartTag(CToken* aToken,eHTMLTags aChildTag,nsCParserNode& aNode);
nsresult DidHandleStartTag(CToken* aToken,eHTMLTags aChildTag);
nsresult DidHandleStartTag(nsCParserNode& aNode,eHTMLTags aChildTag);
nsIHTMLContentSink* mSink;

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

@ -177,21 +177,10 @@ nsresult COtherDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool COtherDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
return CNavDTD::CanParse(aContentType,aCommand,aVersion);
eAutoDetectResult COtherDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
return CNavDTD::CanParse(aContentType,aCommand,aBuffer,aVersion);
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult COtherDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
return CNavDTD::AutoDetectContentType(aBuffer,aType);
}
/**
* This method gets called when a start token has been
* encountered in the parse process. If the current container

10
parser/htmlparser/src/COtherDTD.h
Просмотреть файл

@ -81,15 +81,7 @@ class COtherDTD : public CNavDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**

23
parser/htmlparser/src/CRtfDTD.cpp
Просмотреть файл

@ -242,23 +242,14 @@ nsresult CRtfDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CRtfDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=aContentType.Equals(kRTFTextContentType);
return result;
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult CRtfDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult CRtfDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(kNotFound!=aBuffer.Find(kRTFDocHeader))
if(PR_TRUE==aType.Equals(kRTFTextContentType))
result=eValidDetect;
if(aContentType.Equals(kRTFTextContentType)) {
result=ePrimaryDetect;
}
else if(kNotFound!=aBuffer.Find(kRTFDocHeader)) {
result=ePrimaryDetect;
}
return result;
}

10
parser/htmlparser/src/CRtfDTD.h
Просмотреть файл

@ -184,15 +184,7 @@ class CRtfDTD : public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before

24
parser/htmlparser/src/nsIDTD.h
Просмотреть файл

@ -39,6 +39,14 @@
#define NS_IDTD_IID \
{ 0xa6cf9053, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
enum eAutoDetectResult {
eUnknownDetect,
eValidDetect,
ePrimaryDetect,
eInvalidDetect
};
class nsIParser;
class CToken;
class nsIDTDDebug;
@ -47,9 +55,6 @@ class nsString;
class nsITagHandler;
class nsIContentSink;
enum eAutoDetectResult {eUnknownDetect, eValidDetect, eInvalidDetect};
class nsIDTD : public nsISupports {
public:
@ -80,18 +85,7 @@ class nsIDTD : public nsISupports {
* @param aContentType -- string representing type of doc to be converted (ie text/html)
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion)=0;
/**
* This method, typically called by the parser, is used to try to autodetect the
* type of data contained in the given buffer. The implementor should look at the
* buffers contents to try to determine its encoding type.
* @update gess7/7/98
* @param aBuffer-contains data to be scanned to autodetect type
* @param aType-will hold the result if type is autodetected
* @return eValid (if detected), eInvalid (if not) or eUnknown (if nothing can be done)
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType)=0;
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion)=0;
/**
* Called by the parser just before the parsing process begins

12
parser/htmlparser/src/nsIParser.h
Просмотреть файл

@ -65,6 +65,7 @@ enum eCRCQuality {
eCRCPoor
};
enum eStreamState {eNone,eOnStart,eOnDataAvail,eOnStop};
/**
@ -114,17 +115,6 @@ class nsIParser : public nsISupports {
*/
virtual void SetCommand(const char* aCommand)=0;
/**
* This internal method is used when the parser needs to determine the
* type of content it's being asked to parse.
*
* @update gess 3/25/98
* @param aBuffer -- contains data to be tested (autodetected) for type
* @param aType -- string where you store the detected type (if any)
* @return autodetect enum (valid, invalid, unknown)
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType)=0;
/******************************************************************************************
* Parse methods always begin with an input source, and perform conversions

91
parser/htmlparser/src/nsParser.cpp
Просмотреть файл

@ -327,68 +327,34 @@ eParseMode nsParser::GetParseMode(void){
* @param
* @return
*/
PRBool FindSuitableDTD( CParserContext& aParserContext,nsString& aCommand) {
PRBool FindSuitableDTD( CParserContext& aParserContext,nsString& aCommand,nsString& aBuffer) {
//Let's start by tring the defaultDTD, if one exists...
if(aParserContext.mDTD)
if(aParserContext.mDTD->CanParse(aParserContext.mSourceType,aCommand,0))
if(aParserContext.mDTD->CanParse(aParserContext.mSourceType,aCommand,aBuffer,0))
return PR_TRUE;
PRBool result=PR_FALSE;
nsDequeIterator b=gSharedParserObjects.mDTDDeque.Begin();
nsDequeIterator e=gSharedParserObjects.mDTDDeque.End();
while(b<e){
aParserContext.mAutoDetectStatus=eUnknownDetect;
nsIDTD* theBestDTD=0;
while((b<e) && (aParserContext.mAutoDetectStatus!=ePrimaryDetect)){
nsIDTD* theDTD=(nsIDTD*)b.GetCurrent();
if(theDTD) {
result=theDTD->CanParse(aParserContext.mSourceType,aCommand,0);
if(result){
theDTD->CreateNewInstance(&aParserContext.mDTD);
break;
aParserContext.mAutoDetectStatus=theDTD->CanParse(aParserContext.mSourceType,aCommand,aBuffer,0);
if((eValidDetect==aParserContext.mAutoDetectStatus) || (ePrimaryDetect==aParserContext.mAutoDetectStatus)) {
theBestDTD=theDTD;
}
}
b++;
}
return result;
}
/**
* Call this method if you want the known DTD's to try
* to detect the document type based through analysis
* of the underlying stream.
*
* @update gess6/22/98
* @param aBuffer -- nsString containing sample data to be analyzed.
* @param aType -- may hold typename given from netlib; will hold result given by DTD's.
* @return auto-detect result: eValid, eInvalid, eUnknown
*/
eAutoDetectResult nsParser::AutoDetectContentType(nsString& aBuffer,nsString& aType) {
//The process:
// You should go out and ask each DTD if they
// recognize the content in the scanner.
// Somebody should say yes, or we can't continue.
//This method may change mSourceType and mParserContext->mDTD.
//It absolutely changes mParserContext->mAutoDetectStatus
nsDequeIterator b=gSharedParserObjects.mDTDDeque.Begin();
nsDequeIterator e=gSharedParserObjects.mDTDDeque.End();
mParserContext->mAutoDetectStatus=eUnknownDetect;
while(b<e){
nsIDTD* theDTD=(nsIDTD*)b.GetCurrent();
if(theDTD) {
mParserContext->mAutoDetectStatus=theDTD->AutoDetectContentType(aBuffer,aType);
if(eValidDetect==mParserContext->mAutoDetectStatus)
break;
}
b++;
}
return mParserContext->mAutoDetectStatus;
if(theBestDTD) {
theBestDTD->CreateNewInstance(&aParserContext.mDTD);
return PR_TRUE;
}
return PR_FALSE;
}
@ -443,24 +409,21 @@ nsresult nsParser::WillBuildModel(nsString& aFilename,nsIDTD* aDefaultDTD){
nsresult result=NS_OK;
if(eOnStart==mParserContext->mStreamListenerState) {
mMajorIteration=-1;
mMinorIteration=-1;
if(eUnknownDetect==mParserContext->mAutoDetectStatus) {
if(eValidDetect==AutoDetectContentType(mParserContext->mScanner->GetBuffer(),mParserContext->mSourceType)) {
if(mParserContext){
if(mParserContext){
if(eOnStart==mParserContext->mStreamListenerState) {
mMajorIteration=-1;
mMinorIteration=-1;
if(eUnknownDetect==mParserContext->mAutoDetectStatus) {
mParserContext->mDTD=aDefaultDTD;
if(PR_TRUE==FindSuitableDTD(*mParserContext,mCommand,mParserContext->mScanner->GetBuffer())) {
mParserContext->mParseMode=DetermineParseMode(*this);
mParserContext->mDTD=aDefaultDTD;
if(PR_TRUE==FindSuitableDTD(*mParserContext,mCommand)) {
//mParserContext->mDTD->SetContentSink(mSink);
mParserContext->mStreamListenerState=eOnDataAvail;
mParserContext->mDTD->WillBuildModel(aFilename,PRBool(0==mParserContext->mPrevContext),this,mSink);
}
}
else result=kInvalidParserContext;
} //if
}
}
mParserContext->mStreamListenerState=eOnDataAvail;
mParserContext->mDTD->WillBuildModel(aFilename,PRBool(0==mParserContext->mPrevContext),this,mSink);
}//if
}//if
}//if
}
else result=kInvalidParserContext;
return result;
}

12
parser/htmlparser/src/nsParser.h
Просмотреть файл

@ -290,18 +290,6 @@ private:
*/
PRBool DidTokenize();
/**
* This method is used as a backstop to compute the kind of content
* that is contained in the scanner stream. This method is important
* because it allows us to defer the resolution of our DTD (and hence)
* filters and maybe eventually sinks based on the input type.
*
* @update gess6/22/98
* @param
* @return TRUE if we figured it out.
*/
eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
protected:
//*********************************************

16
parser/htmlparser/src/nsValidDTD.cpp
Просмотреть файл

@ -176,12 +176,11 @@ nsresult CValidDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CValidDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=aContentType.Equals(kXMLTextContentType);
eAutoDetectResult CValidDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
return result;
}
/**
* This method is called to determine if the given DTD can perform
* a document conversion from a given source-type to a given target-type.
@ -195,17 +194,6 @@ PRBool CValidDTD::CanConvert(nsString& aSourceType, nsString& aTargetType, PRInt
return result;
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult CValidDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult result=eUnknownDetect;
return result;
}
/**
*
* @update gess5/18/98

11
parser/htmlparser/src/nsValidDTD.h
Просмотреть файл

@ -92,8 +92,7 @@ class CValidDTD : public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* This method is called to determine if the given DTD can perform
@ -105,14 +104,6 @@ class CValidDTD : public nsIDTD {
*/
virtual PRBool CanConvert(nsString& aSourceType, nsString& aTargetType, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser

35
parser/htmlparser/src/nsViewSourceHTML.cpp
Просмотреть файл

@ -227,30 +227,17 @@ nsresult CViewSourceHTML::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CViewSourceHTML::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=PR_FALSE;
if(aCommand.Equals(kViewSourceCommand)) {
result=(aContentType.Equals(kXMLTextContentType) ||
aContentType.Equals(kRDFTextContentType) ||
aContentType.Equals(kHTMLTextContentType) ||
aContentType.Equals(kPlainTextContentType) ||
aContentType.Equals(kXULTextContentType));
}
return result;
}
/**
* This is called to ask the DTD if it recognizes either the aType or data in the buffer.
* We intentionally say NO to autodetect types so that XML and HTML dtds can do the right thing.
* If either of those DTD's say YES, then we'll agree and render either.
*
* @update gess7/7/98
* @param
* @return detect result
*/
eAutoDetectResult CViewSourceHTML::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult CViewSourceHTML::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(aCommand.Equals(kViewSourceCommand)) {
if(aContentType.Equals(kXMLTextContentType) ||
aContentType.Equals(kRDFTextContentType) ||
aContentType.Equals(kHTMLTextContentType) ||
aContentType.Equals(kPlainTextContentType) ||
aContentType.Equals(kXULTextContentType)) {
result=eValidDetect;
}
}
return result;
}
@ -503,7 +490,7 @@ nsresult WriteNBSP(PRInt32 aCount, nsIContentSink& aSink) {
* @param
* @return result status
*/
nsresult CViewSourceHTML::WriteText(nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveSpace) {
nsresult CViewSourceHTML::WriteText(const nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveSpace) {
nsresult result=NS_OK;
CTextToken theTextToken;

12
parser/htmlparser/src/nsViewSourceHTML.h
Просмотреть файл

@ -93,15 +93,7 @@ class CViewSourceHTML: public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before
@ -233,7 +225,7 @@ class CViewSourceHTML: public nsIDTD {
virtual PRBool IsContainer(PRInt32 aTag) const;
static nsresult WriteText(nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveText);
static nsresult WriteText(const nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveText);
protected:

41
parser/htmlparser/src/nsWellFormedDTD.cpp
Просмотреть файл

@ -179,39 +179,28 @@ nsresult CWellFormedDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool CWellFormedDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=PR_FALSE;
if(!aCommand.Equals(kViewSourceCommand)) {
result=(aContentType.Equals(kXMLTextContentType) ||
aContentType.Equals(kRDFTextContentType) ||
aContentType.Equals(kXULTextContentType));
}
return result;
}
/**
*
* @update gess7/7/98
* @param
* @return
*/
eAutoDetectResult CWellFormedDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult CWellFormedDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(PR_TRUE==aType.Equals(kXMLTextContentType) ||
PR_TRUE==aType.Equals(kRDFTextContentType) ||
PR_TRUE==aType.Equals(kXULTextContentType)) {
result=eValidDetect;
}
else {
if(-1<aBuffer.Find("<?xml ")) {
aType = kXMLTextContentType;
if(!aCommand.Equals(kViewSourceCommand)) {
if(aContentType.Equals(kXMLTextContentType) ||
aContentType.Equals(kRDFTextContentType) ||
aContentType.Equals(kXULTextContentType)) {
result=eValidDetect;
}
else {
if(-1<aBuffer.Find("<?xml ")) {
if(0==aContentType.Length()) {
aContentType = kXMLTextContentType; //only reset it if it's empty
}
result=eValidDetect;
}
}
}
return result;
}
/**
*
* @update gess5/18/98

10
parser/htmlparser/src/nsWellFormedDTD.h
Просмотреть файл

@ -91,15 +91,7 @@ class CWellFormedDTD : public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gess7/7/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
* The parser uses a code sandwich to wrap the parsing process. Before

34
parser/htmlparser/src/nsXIFDTD.cpp
Просмотреть файл

@ -383,31 +383,23 @@ nsresult nsXIFDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
* 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 gpk 07/09/98
* @update gess 02/16/99
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
PRBool nsXIFDTD::CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion){
PRBool result=aContentType.Equals(kXIFTextContentType);
return result;
}
/**
*
* @update gpk 07/09/98
* @param
* @return
*/
eAutoDetectResult nsXIFDTD::AutoDetectContentType(nsString& aBuffer,nsString& aType){
eAutoDetectResult nsXIFDTD::CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion) {
eAutoDetectResult result=eUnknownDetect;
if(kNotFound!=aBuffer.Find(kXIFDocHeader))
{
PRInt32 offset = aBuffer.Find("<section>");
if (offset != -1)
aBuffer.Cut(0,offset);
aType = kXIFTextContentType;
result=eValidDetect;
if(aContentType.Equals(kXIFTextContentType)){
result=ePrimaryDetect;
}
else {
if(kNotFound!=aBuffer.Find(kXIFDocHeader)) {
PRInt32 offset = aBuffer.Find("<section>");
if (offset != -1)
aBuffer.Cut(0,offset);
aContentType= kXIFTextContentType;
result=ePrimaryDetect;
}
}
return result;
}

12
parser/htmlparser/src/nsXIFDTD.h
Просмотреть файл

@ -146,17 +146,7 @@ class nsXIFDTD : public nsIDTD {
* @param
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
*/
virtual PRBool CanParse(nsString& aContentType, nsString& aCommand, PRInt32 aVersion);
/**
*
* @update gpk 7/9/98
* @param
* @return
*/
virtual eAutoDetectResult AutoDetectContentType(nsString& aBuffer,nsString& aType);
virtual eAutoDetectResult CanParse(nsString& aContentType, nsString& aCommand, nsString& aBuffer, PRInt32 aVersion);
/**
*