perf bug 124570 - configure mathml.css as a catalog stylesheet that is loaded on demand rather than at startup, r=harishd, sr=jst, a=asa

This commit is contained in:
rbs%maths.uq.edu.au 2002-03-15 09:45:31 +00:00
Родитель 3819e7f892
Коммит 271bb8c07c
23 изменённых файлов: 474 добавлений и 363 удалений

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@ -186,20 +186,13 @@ sub InstallNonChromeResources()
MakeAlias(":mozilla:layout:svg:base:src:svg.dtd", "$resource_dir"."dtd:");
}
if (! $main::options{mathml})
{
MakeAlias(":mozilla:layout:html:document:src:ua.css", "$resource_dir");
}
else
if ($main::options{mathml})
{
MakeAlias(":mozilla:layout:mathml:content:src:mathml.dtd", "$resource_dir"."dtd:");
#// Building MathML so include the mathml.css file in ua.css
MakeAlias(":mozilla:layout:mathml:content:src:mathml.css", "$resource_dir");
copy(":mozilla:layout:html:document:src:ua.css", "$resource_dir"."ua.css");
@ARGV = ("$resource_dir"."ua.css");
do ":mozilla:layout:mathml:content:src:mathml-css.pl";
}
MakeAlias(":mozilla:layout:html:document:src:ua.css", "$resource_dir");
MakeAlias(":mozilla:layout:html:document:src:html.css", "$resource_dir");
MakeAlias(":mozilla:layout:html:document:src:forms.css", "$resource_dir");
MakeAlias(":mozilla:layout:html:document:src:quirk.css", "$resource_dir");

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@ -256,13 +256,13 @@ public:
NS_IMETHOD GetNumberOfStyleSheets(PRInt32* aCount) = 0;
NS_IMETHOD GetStyleSheetAt(PRInt32 aIndex, nsIStyleSheet** aSheet) = 0;
NS_IMETHOD GetIndexOfStyleSheet(nsIStyleSheet* aSheet, PRInt32* aIndex) = 0;
virtual void AddStyleSheet(nsIStyleSheet* aSheet) = 0;
virtual void AddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags) = 0;
virtual void RemoveStyleSheet(nsIStyleSheet* aSheet) = 0;
NS_IMETHOD UpdateStyleSheets(nsISupportsArray* aOldSheets, nsISupportsArray* aNewSheets) = 0;
NS_IMETHOD InsertStyleSheetAt(nsIStyleSheet* aSheet, PRInt32 aIndex, PRBool aNotify) = 0;
virtual void SetStyleSheetDisabledState(nsIStyleSheet* aSheet,
PRBool mDisabled) = 0;
PRBool aDisabled) = 0;
/**
* Set the object from which a document can get a script context.

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@ -1254,7 +1254,8 @@ nsDocument::GetIndexOfStyleSheet(nsIStyleSheet* aSheet, PRInt32* aIndex)
return NS_OK;
}
void nsDocument::InternalAddStyleSheet(nsIStyleSheet* aSheet) // subclass hook for sheet ordering
// subclass hooks for sheet ordering
void nsDocument::InternalAddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags)
{
mStyleSheets.AppendElement(aSheet);
}
@ -1274,10 +1275,10 @@ void nsDocument::AddStyleSheetToStyleSets(nsIStyleSheet* aSheet)
}
}
void nsDocument::AddStyleSheet(nsIStyleSheet* aSheet)
void nsDocument::AddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags)
{
NS_PRECONDITION(nsnull != aSheet, "null arg");
InternalAddStyleSheet(aSheet);
InternalAddStyleSheet(aSheet, aFlags);
NS_ADDREF(aSheet);
aSheet->SetOwningDocument(this);
@ -1378,7 +1379,7 @@ nsDocument::UpdateStyleSheets(nsISupportsArray* aOldSheets, nsISupportsArray* aN
aNewSheets->GetElementAt(i, getter_AddRefs(supp));
sheet = do_QueryInterface(supp);
if (sheet) {
InternalAddStyleSheet(sheet);
InternalAddStyleSheet(sheet, 0);
nsIStyleSheet* sheetPtr = sheet;
NS_ADDREF(sheetPtr);
sheet->SetOwningDocument(this);

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@ -392,7 +392,7 @@ public:
NS_IMETHOD GetNumberOfStyleSheets(PRInt32* aCount);
NS_IMETHOD GetStyleSheetAt(PRInt32 aIndex, nsIStyleSheet** aSheet);
NS_IMETHOD GetIndexOfStyleSheet(nsIStyleSheet* aSheet, PRInt32* aIndex);
virtual void AddStyleSheet(nsIStyleSheet* aSheet);
virtual void AddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags);
virtual void RemoveStyleSheet(nsIStyleSheet* aSheet);
NS_IMETHOD UpdateStyleSheets(nsISupportsArray* aOldSheets,
@ -560,7 +560,9 @@ public:
protected:
NS_IMETHOD GetDTD(nsIDTD** aDTD) const;
virtual void InternalAddStyleSheet(nsIStyleSheet* aSheet); // subclass hooks for sheet ordering
// subclass hooks for sheet ordering
virtual void InternalAddStyleSheet(nsIStyleSheet* aSheet,
PRUint32 aFlags);
virtual void InternalInsertStyleSheetAt(nsIStyleSheet* aSheet,
PRInt32 aIndex);

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@ -477,7 +477,7 @@ nsHTMLDocument::BaseResetToURI(nsIURI *aURL)
result = mAttrStyleSheet->Reset(aURL);
}
if (NS_SUCCEEDED(result)) {
AddStyleSheet(mAttrStyleSheet); // tell the world about our new style sheet
AddStyleSheet(mAttrStyleSheet, 0); // tell the world about our new style sheet
if (!mStyleAttrStyleSheet) {
result = NS_NewHTMLCSSStyleSheet(&mStyleAttrStyleSheet, aURL, this);
@ -486,7 +486,7 @@ nsHTMLDocument::BaseResetToURI(nsIURI *aURL)
result = mStyleAttrStyleSheet->Reset(aURL);
}
if (NS_SUCCEEDED(result)) {
AddStyleSheet(mStyleAttrStyleSheet); // tell the world about our new style sheet
AddStyleSheet(mStyleAttrStyleSheet, 0); // tell the world about our new style sheet
}
}
}
@ -1161,8 +1161,9 @@ nsHTMLDocument::GetInlineStyleSheet(nsIHTMLCSSStyleSheet** aResult)
return NS_OK;
}
// subclass hooks for sheet ordering
void
nsHTMLDocument::InternalAddStyleSheet(nsIStyleSheet* aSheet) // subclass hook for sheet ordering
nsHTMLDocument::InternalAddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags)
{
if (aSheet == mAttrStyleSheet) { // always first
mStyleSheets.InsertElementAt(aSheet, 0);

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@ -196,7 +196,8 @@ protected:
nsIContent *MatchId(nsIContent *aContent, const nsAReadableString& aId);
virtual void InternalAddStyleSheet(nsIStyleSheet* aSheet);
virtual void InternalAddStyleSheet(nsIStyleSheet* aSheet,
PRUint32 aFlags);
virtual void InternalInsertStyleSheetAt(nsIStyleSheet* aSheet,
PRInt32 aIndex);
static PRBool MatchLinks(nsIContent *aContent, nsString* aData);

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@ -46,6 +46,8 @@ class nsIURI;
{ 0xa6cf90ca, 0x15b3, 0x11d2, \
{ 0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32 } }
#define NS_STYLESHEET_FROM_CATALOG 0x1
/**
* XML document extensions to nsIDocument
*/

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@ -1460,7 +1460,8 @@ nsXMLContentSink::HandleCDataSection(const PRUnichar *aData,
NS_IMETHODIMP
nsXMLContentSink::HandleDoctypeDecl(const PRUnichar *aDoctype,
PRUint32 aLength)
PRUint32 aLength,
nsISupports* aCatalogData)
{
nsresult rv = NS_OK;
@ -1487,7 +1488,6 @@ nsXMLContentSink::HandleDoctypeDecl(const PRUnichar *aDoctype,
// The rest is the internal subset (minus whitespace)
str.Trim(kWhitespace);
nsCOMPtr<nsIDOMDocumentType> oldDocType;
nsCOMPtr<nsIDOMDocumentType> docType;
// Create a new doctype node
@ -1498,6 +1498,25 @@ nsXMLContentSink::HandleDoctypeDecl(const PRUnichar *aDoctype,
return rv;
}
if (aCatalogData && mCSSLoader && mDocument) {
// bug 124570 - we only expect additional agent sheets for now -- ignore
// exit codes, error are not fatal here, just that the stylesheet won't apply
nsCOMPtr<nsIURI> uri(do_QueryInterface(aCatalogData));
if (uri) {
PRBool complete;
nsCOMPtr<nsICSSStyleSheet> sheet;
mCSSLoader->LoadAgentSheet(uri, *getter_AddRefs(sheet), complete, nsnull);
#ifdef NS_DEBUG
nsCAutoString uriStr;
uri->GetSpec(uriStr);
printf("Loading catalog stylesheet: %s ... %s\n", uriStr.get(), sheet.get() ? "Done" : "Failed");
#endif
if (sheet) {
mDocument->AddStyleSheet(sheet, NS_STYLESHEET_FROM_CATALOG);
}
}
}
nsCOMPtr<nsIDOMNode> tmpNode;
return doc->AppendChild(docType, getter_AddRefs(tmpNode));

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@ -216,7 +216,7 @@ NS_NewXMLDocument(nsIDocument** aInstancePtrResult)
nsXMLDocument::nsXMLDocument()
: mAttrStyleSheet(nsnull), mInlineStyleSheet(nsnull),
mParser(nsnull)
mCountCatalogSheets(0), mParser(nsnull)
{
}
@ -700,10 +700,16 @@ nsXMLDocument::GetInlineStyleSheet(nsIHTMLCSSStyleSheet** aResult)
return NS_OK;
}
void nsXMLDocument::InternalAddStyleSheet(nsIStyleSheet* aSheet) // subclass hook for sheet ordering
// subclass hook for sheet ordering
void nsXMLDocument::InternalAddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags)
{
if (aSheet == mAttrStyleSheet) { // always first
mStyleSheets.InsertElementAt(aSheet, 0);
if (aFlags & NS_STYLESHEET_FROM_CATALOG) {
// always after other catalog sheets
mStyleSheets.InsertElementAt(aSheet, mCountCatalogSheets);
++mCountCatalogSheets;
}
else if (aSheet == mAttrStyleSheet) { // always after catalog sheets
mStyleSheets.InsertElementAt(aSheet, mCountCatalogSheets);
}
else if (aSheet == mInlineStyleSheet) { // always last
mStyleSheets.AppendElement(aSheet);
@ -723,7 +729,8 @@ void nsXMLDocument::InternalAddStyleSheet(nsIStyleSheet* aSheet) // subclass ho
void
nsXMLDocument::InternalInsertStyleSheetAt(nsIStyleSheet* aSheet, PRInt32 aIndex)
{
mStyleSheets.InsertElementAt(aSheet, aIndex + 1); // offset one for the attr style sheet
// offset w.r.t. catalog style sheets and the attr style sheet
mStyleSheets.InsertElementAt(aSheet, aIndex + mCountCatalogSheets + 1);
}
// nsIDOMDocument interface
@ -1005,11 +1012,11 @@ nsXMLDocument::SetDefaultStylesheets(nsIURI* aUrl)
}
}
if (NS_OK == result) {
AddStyleSheet(mAttrStyleSheet); // tell the world about our new style sheet
AddStyleSheet(mAttrStyleSheet, 0); // tell the world about our new style sheet
result = NS_NewHTMLCSSStyleSheet(&mInlineStyleSheet, aUrl, this);
if (NS_OK == result) {
AddStyleSheet(mInlineStyleSheet); // tell the world about our new style sheet
AddStyleSheet(mInlineStyleSheet, 0); // tell the world about our new style sheet
}
}
}

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@ -122,7 +122,8 @@ public:
NS_DECL_NSIDOMXMLDOCUMENT
protected:
virtual void InternalAddStyleSheet(nsIStyleSheet* aSheet); // subclass hook for sheet ordering
// subclass hooks for sheet ordering
virtual void InternalAddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags);
virtual void InternalInsertStyleSheetAt(nsIStyleSheet* aSheet, PRInt32 aIndex);
nsresult CreateElement(nsINodeInfo *aNodeInfo, nsIDOMElement** aResult);
@ -131,6 +132,10 @@ protected:
// XXX This is not clean, but is there a better way?
nsIHTMLStyleSheet* mAttrStyleSheet;
nsIHTMLCSSStyleSheet* mInlineStyleSheet;
// For additional catalog sheets (if any) needed to layout the XML vocabulary
// of the document. Catalog sheets are kept at the beginning of our array of
// style sheets and this counter is used as an offset to distinguish them
PRInt32 mCountCatalogSheets;
nsString mBaseTarget;
nsIParser *mParser;

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@ -1025,7 +1025,8 @@ XULContentSinkImpl::HandleCDataSection(const PRUnichar *aData, PRUint32 aLength)
}
NS_IMETHODIMP
XULContentSinkImpl::HandleDoctypeDecl(const PRUnichar *aDoctype, PRUint32 aLength)
XULContentSinkImpl::HandleDoctypeDecl(const PRUnichar *aDoctype, PRUint32 aLength,
nsISupports* aCatalogData)
{
return NS_OK;
}

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@ -671,7 +671,7 @@ nsXULDocument::PrepareStyleSheets(nsIURI* anURL)
getter_AddRefs(sheet)))) {
if (NS_SUCCEEDED(rv = sheet->Init(anURL, this))) {
mAttrStyleSheet = sheet;
AddStyleSheet(mAttrStyleSheet);
AddStyleSheet(mAttrStyleSheet, 0);
}
}
@ -689,7 +689,7 @@ nsXULDocument::PrepareStyleSheets(nsIURI* anURL)
(void**)&inlineSheet))) {
if (NS_SUCCEEDED(rv = inlineSheet->Init(anURL, this))) {
mInlineStyleSheet = dont_QueryInterface(inlineSheet);
AddStyleSheet(mInlineStyleSheet);
AddStyleSheet(mInlineStyleSheet, 0);
}
NS_RELEASE(inlineSheet);
}
@ -1224,7 +1224,7 @@ nsXULDocument::AddStyleSheetToStyleSets(nsIStyleSheet* aSheet)
}
void
nsXULDocument::AddStyleSheet(nsIStyleSheet* aSheet)
nsXULDocument::AddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags)
{
NS_PRECONDITION(aSheet, "null arg");
if (!aSheet)
@ -1644,7 +1644,7 @@ nsXULDocument::EndLoad()
if (useXULCache && IsChromeURI(sheetURL)) {
mCurrentPrototype->AddStyleSheetReference(sheetURL);
}
AddStyleSheet(sheet);
AddStyleSheet(sheet, 0);
}
}
}
@ -6488,7 +6488,7 @@ nsXULDocument::AddPrototypeSheets()
rv = sheet->Clone(*getter_AddRefs(newsheet));
if (NS_FAILED(rv)) return rv;
AddStyleSheet(newsheet);
AddStyleSheet(newsheet, 0);
}
return NS_OK;

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@ -240,7 +240,7 @@ public:
NS_IMETHOD GetStyleSheetAt(PRInt32 aIndex, nsIStyleSheet** aSheet);
NS_IMETHOD GetIndexOfStyleSheet(nsIStyleSheet* aSheet, PRInt32* aIndex);
virtual void AddStyleSheet(nsIStyleSheet* aSheet);
virtual void AddStyleSheet(nsIStyleSheet* aSheet, PRUint32 aFlags);
virtual void RemoveStyleSheet(nsIStyleSheet* aSheet);
NS_IMETHOD UpdateStyleSheets(nsISupportsArray* aOldSheets, nsISupportsArray* aNewSheets);
void AddStyleSheetToStyleSets(nsIStyleSheet* aSheet);
@ -249,7 +249,7 @@ public:
NS_IMETHOD InsertStyleSheetAt(nsIStyleSheet* aSheet, PRInt32 aIndex, PRBool aNotify);
virtual void SetStyleSheetDisabledState(nsIStyleSheet* aSheet,
PRBool mDisabled);
PRBool aDisabled);
NS_IMETHOD GetCSSLoader(nsICSSLoader*& aLoader);

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@ -107,7 +107,7 @@ AddStyleSheetTxn::DoTransaction()
rv = presShell->GetDocument(getter_AddRefs(document));
if (NS_SUCCEEDED(rv) && document)
document->AddStyleSheet(styleSheet);
document->AddStyleSheet(styleSheet, 0);
}
}
@ -270,7 +270,7 @@ RemoveStyleSheetTxn::UndoTransaction()
rv = presShell->GetDocument(getter_AddRefs(document));
if (NS_SUCCEEDED(rv) && document)
document->AddStyleSheet(styleSheet);
document->AddStyleSheet(styleSheet, 0);
}
}

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@ -53,9 +53,10 @@ interface nsIExpatSink : nsISupports
void HandleCDataSection(in wstring aData,
in unsigned long aLength);
void HandleDoctypeDecl(in wstring aDoctype,
in unsigned long aLength);
in unsigned long aLength,
in nsISupports aCatalogData);
void HandleCharacterData(in wstring aData,
in unsigned long aLength);

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@ -165,61 +165,125 @@ Driver_HandleEndDoctypeDecl(void *aUserData)
}
}
PR_STATIC_CALLBACK(int)
Driver_HandleExternalEntityRef(XML_Parser parser,
Driver_HandleExternalEntityRef(void* aExternalEntityRefHandler,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId)
{
int result = PR_TRUE;
// Load the external entity into a buffer
nsCOMPtr<nsIInputStream> in;
nsAutoString absURL;
nsresult rv = nsExpatDriver::OpenInputStream(publicId, systemId, base, getter_AddRefs(in), absURL);
if (NS_FAILED(rv)) {
return result;
NS_ASSERTION(aExternalEntityRefHandler, "expat driver should exist");
if (aExternalEntityRefHandler) {
return NS_STATIC_CAST(nsExpatDriver*,
aExternalEntityRefHandler)->HandleExternalEntityRef(
(const PRUnichar*)openEntityNames, (const PRUnichar*)base,
(const PRUnichar*)systemId, (const PRUnichar*)publicId);
}
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)) && result) {
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);
}
}
return result;
return 1;
}
/***************************** END CALL BACKS *********************************/
/***************************** CATALOG UTILS **********************************/
// Initially added for bug 113400 to switch from the remote "XHTML 1.0 plus
// MathML 2.0" DTD to the the lightweight customized version that Mozilla uses.
// Since Mozilla is not validating, no need to fetch a *huge* file at each click.
// XXX The cleanest solution here would be to fix Bug 98413: Implement XML Catalogs
struct nsCatalogData {
const char* mPublicID;
const char* mLocalDTD;
const char* mAgentSheet;
};
// The order of this table is guestimated to be in the optimum order
static const nsCatalogData kCatalogTable[] = {
{"-//W3C//DTD XHTML 1.0 Transitional//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML 1.1//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML 1.0 Strict//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML 1.0 Frameset//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML Basic 1.0//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN", "mathml.dtd", "resource:/res/mathml.css" },
{"-//W3C//DTD SVG 20001102//EN", "svg.dtd", nsnull },
{nsnull, nsnull, nsnull}
};
static const nsCatalogData*
LookupCatalogData(const PRUnichar* aPublicID)
{
nsCAutoString publicID;
publicID.AssignWithConversion(aPublicID);
// linear search for now since the number of entries is going to
// be negligible, and the fix for bug 98413 would get rid of this
// code anyway
const nsCatalogData* data = kCatalogTable;
while (data->mPublicID) {
if (publicID.Equals(data->mPublicID)) {
return data;
}
++data;
}
return nsnull;
}
// aCatalogData can be null. If not null, it provides a hook to additional
// built-in knowledge on the resource that we are trying to load.
// aDTD is an in/out parameter. Returns true if the local DTD specified in the
// catalog data exists or if the filename contained within the url exists in
// the special DTD directory. If either of this exists, 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(const nsCatalogData* aCatalogData, nsCOMPtr<nsIURI>* aDTD)
{
PRBool isLoadable = PR_FALSE;
nsresult res = NS_OK;
if (!aDTD || !*aDTD) {
NS_ASSERTION(0, "Null parameter.");
return PR_FALSE;
}
nsCAutoString fileName;
if (aCatalogData) {
// remap the DTD to a known local DTD
fileName.Assign(aCatalogData->mLocalDTD);
}
if (fileName.IsEmpty()) {
// try to see if the user has installed the DTD file -- we extract the
// filename.ext of the DTD here. Hence, for any DTD for which we have
// no predefined mapping, users just have to copy the DTD file to our
// special DTD directory and it will be picked
nsCOMPtr<nsIURL> dtdURL;
dtdURL = do_QueryInterface(*aDTD, &res);
if (NS_FAILED(res)) {
return PR_FALSE;
}
res = dtdURL->GetFileName(fileName);
if (NS_FAILED(res) || fileName.IsEmpty()) {
return PR_FALSE;
}
}
nsSpecialSystemDirectory dtdPath(nsSpecialSystemDirectory::OS_CurrentProcessDirectory);
dtdPath += PromiseFlatCString(nsDependentCString(kDTDDirectory) + fileName).get();
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;
NS_NewURI(getter_AddRefs(dtdURI), dtdFile.GetURLString());
if (dtdURI) {
*aDTD = dtdURI;
isLoadable = PR_TRUE;
}
}
return isLoadable;
}
/***************************** END CATALOG UTILS ******************************/
NS_IMPL_ISUPPORTS2(nsExpatDriver,
nsITokenizer,
nsIDTD);
@ -241,7 +305,8 @@ nsExpatDriver::nsExpatDriver()
mBytesParsed(0),
mBytePosition(0),
mInternalState(NS_OK),
mDoctypePos(-1)
mDoctypePos(-1),
mCatalogData(nsnull)
{
NS_INIT_REFCNT();
}
@ -386,7 +451,15 @@ nsExpatDriver::HandleEndDoctypeDecl()
const PRUnichar* doctypeEnd = mBuffer + ( XML_GetCurrentByteIndex(mExpatParser) - mBytesParsed ) / 2;
if(mSink) {
mInternalState = mSink->HandleDoctypeDecl(doctypeStart, doctypeEnd - doctypeStart);
// let the sink know any additional knowledge that we have about the document
// (currently, from bug 124570, we only expect to pass additional agent sheets
// needed to layout the XML vocabulary of the document)
nsIURI* data = nsnull;
if (mCatalogData && mCatalogData->mAgentSheet) {
NS_NewURI(&data, mCatalogData->mAgentSheet);
}
mInternalState = mSink->HandleDoctypeDecl(doctypeStart, doctypeEnd - doctypeStart, data);
NS_IF_RELEASE(data);
}
mDoctypePos = kNotInDoctype;
@ -394,130 +467,90 @@ nsExpatDriver::HandleEndDoctypeDecl()
return NS_OK;
}
// Initially added for bug 113400 to switch from the remote "XHTML 1.0 plus
// MathML 2.0" DTD to the the lightweight customized version that Mozilla uses.
// Since Mozilla is not validating, no need to fetch a *huge* file at each click.
// XXX The cleanest solution here would be to fix Bug 98413: Implement XML Catalogs
struct nsCatalogEntry {
const char* mPublicID;
const char* mLocalDTD;
};
// The order of this table is guestimated to be in the optimum order
static const nsCatalogEntry kCatalogTable[] = {
{"-//W3C//DTD XHTML 1.0 Transitional//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML 1.1//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML 1.0 Strict//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML 1.0 Frameset//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML Basic 1.0//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN", "mathml.dtd" },
{"-//W3C//DTD SVG 20001102//EN", "svg.dtd" },
{nsnull, nsnull}
};
static void
RemapDTD(const XML_Char* aPublicID, nsAWritableCString& aLocalDTD)
int
nsExpatDriver::HandleExternalEntityRef(const PRUnichar *openEntityNames,
const PRUnichar *base,
const PRUnichar *systemId,
const PRUnichar *publicId)
{
nsCAutoString publicID;
publicID.AssignWithConversion((const PRUnichar*)aPublicID);
int result = 1;
// linear search for now since the number of entries is going to
// be negligible, and the fix for bug 98413 would get rid of this
// code anyway
aLocalDTD.Truncate();
const nsCatalogEntry* data = kCatalogTable;
while (data->mPublicID) {
if (publicID.Equals(data->mPublicID)) {
aLocalDTD = data->mLocalDTD;
return;
}
++data;
}
}
// Load the external entity into a buffer
nsCOMPtr<nsIInputStream> in;
nsAutoString absURL;
// 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.
// 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(const XML_Char* aFPIStr, nsCOMPtr<nsIURI>* aDTD)
{
PRBool isLoadable = PR_FALSE;
nsresult res = NS_OK;
nsresult rv = OpenInputStream(publicId, systemId, base, getter_AddRefs(in), absURL);
if (!aDTD || !*aDTD) {
NS_ASSERTION(0, "Null parameter.");
return PR_FALSE;
if (NS_FAILED(rv)) {
return result;
}
// Return true if the url is a chrome url
res = (*aDTD)->SchemeIs("chrome", &isLoadable);
nsCOMPtr<nsIUnicharInputStream> uniIn;
// 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) {
// try to see if we can map the public ID to a known local DTD
nsCAutoString fileName;
if (aFPIStr) {
RemapDTD(aFPIStr, fileName);
}
if (fileName.IsEmpty()) {
// try to see if the user has installed the DTD file -- we extract the
// filename.ext of the DTD here. Hence, for any DTD for which we have
// no predefined mapping, users just have to copy the DTD file to our
// special DTD directory and it will be picked
nsCOMPtr<nsIURL> dtdURL;
dtdURL = do_QueryInterface(*aDTD, &res);
if (NS_FAILED(res)) {
return PR_FALSE;
}
res = dtdURL->GetFileName(fileName);
if (NS_FAILED(res) || fileName.IsEmpty()) {
return PR_FALSE;
}
}
nsSpecialSystemDirectory dtdPath(nsSpecialSystemDirectory::OS_CurrentProcessDirectory);
dtdPath += PromiseFlatCString(nsDependentCString(kDTDDirectory) + fileName).get();
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;
NS_NewURI(getter_AddRefs(dtdURI), nsDependentCString(dtdFile.GetURLString()));
if (dtdURI) {
*aDTD = dtdURI;
isLoadable = PR_TRUE;
NS_NewUTF8ConverterStream(getter_AddRefs(uniIn), in, 1024);
if (uniIn) {
XML_Parser entParser =
XML_ExternalEntityParserCreate(mExpatParser, 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)) && result) {
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);
}
}
return isLoadable;
return result;
}
nsresult
nsExpatDriver::OpenInputStream(const XML_Char* aFPIStr,
const XML_Char* aURLStr,
const XML_Char* aBaseURL,
nsExpatDriver::OpenInputStream(const PRUnichar* aFPIStr,
const PRUnichar* aURLStr,
const PRUnichar* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL)
{
nsresult rv;
nsCOMPtr<nsIURI> baseURI;
rv = NS_NewURI(getter_AddRefs(baseURI), NS_ConvertUCS2toUTF8((const PRUnichar*)aBaseURL));
rv = NS_NewURI(getter_AddRefs(baseURI), NS_ConvertUCS2toUTF8(aBaseURL).get());
if (NS_SUCCEEDED(rv) && baseURI) {
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), NS_ConvertUCS2toUTF8((const PRUnichar*)aURLStr), nsnull, baseURI);
rv = NS_NewURI(getter_AddRefs(uri), NS_ConvertUCS2toUTF8(aURLStr).get(), baseURI);
if (NS_SUCCEEDED(rv) && uri) {
if (IsLoadableDTD(aFPIStr, address_of(uri))) {
rv = NS_OpenURI(in, uri);
nsCAutoString absURL;
uri->GetSpec(absURL);
aAbsURL = NS_ConvertUTF8toUCS2(absURL);
}
else {
rv = NS_ERROR_NOT_IMPLEMENTED;
// check if it is alright to load this uri
PRBool isChrome = PR_FALSE;
uri->SchemeIs("chrome", &isChrome);
if (!isChrome) {
// since the url is not a chrome url, check to see if we can map the DTD
// to a known local DTD, or if a DTD file of the same name exists in the
// special DTD directory
if (aFPIStr) {
// see if the Formal Public Identifier (FPI) maps to a catalog entry
mCatalogData = LookupCatalogData(aFPIStr);
}
if (!IsLoadableDTD(mCatalogData, address_of(uri)))
return NS_ERROR_NOT_IMPLEMENTED;
}
}
rv = NS_OpenURI(in, uri);
nsCAutoString absURL;
uri->GetSpec(absURL);
aAbsURL = NS_ConvertUTF8toUCS2(absURL);
}
}
return rv;
}
@ -813,6 +846,7 @@ nsExpatDriver::WillBuildModel(const CParserContext& aParserContext,
XML_SetProcessingInstructionHandler(mExpatParser, Driver_HandleProcessingInstruction);
XML_SetDefaultHandlerExpand(mExpatParser, Driver_HandleDefault);
XML_SetExternalEntityRefHandler(mExpatParser, Driver_HandleExternalEntityRef);
XML_SetExternalEntityRefHandlerArg(mExpatParser, this);
XML_SetCommentHandler(mExpatParser, Driver_HandleComment);
XML_SetCdataSectionHandler(mExpatParser, Driver_HandleStartCdataSection,
Driver_HandleEndCdataSection);

Просмотреть файл

@ -46,6 +46,7 @@
#include "nsFileSpec.h"
class nsIExpatSink;
struct nsCatalogData;
class nsExpatDriver : public nsIDTD,
public nsITokenizer
@ -58,13 +59,10 @@ public:
nsExpatDriver();
virtual ~nsExpatDriver();
// Load up an external stream to get external entity information
static nsresult OpenInputStream(const XML_Char* aFPIStr,
const XML_Char* aURLStr,
const XML_Char* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL);
int HandleExternalEntityRef(const PRUnichar *openEntityNames,
const PRUnichar *base,
const PRUnichar *systemId,
const PRUnichar *publicId);
nsresult HandleStartElement(const PRUnichar *aName, const PRUnichar **aAtts);
nsresult HandleEndElement(const PRUnichar *aName);
nsresult HandleCharacterData(const PRUnichar *aCData, const PRUint32 aLength);
@ -77,7 +75,14 @@ public:
nsresult HandleEndDoctypeDecl();
protected:
// Load up an external stream to get external entity information
nsresult OpenInputStream(const PRUnichar* aFPIStr,
const PRUnichar* aURLStr,
const PRUnichar* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL);
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);
@ -93,7 +98,7 @@ protected:
nsresult mInternalState;
PRUint32 mBytesParsed;
PRUint32 mDoctypePos;
const nsCatalogData* mCatalogData; // weak
};
nsresult NS_NewExpatDriver(nsIDTD** aDriver);

Просмотреть файл

@ -61,4 +61,3 @@ EXPORT_RESOURCE_CONTENT = \
libs::
$(INSTALL) $(EXPORT_RESOURCE_CONTENT) $(DIST)/bin/res/dtd
$(INSTALL) $(srcdir)/mathml.css $(DIST)/bin/res
$(PERL) $(srcdir)/mathml-css.pl $(DIST)/bin/res/ua.css

Просмотреть файл

@ -53,7 +53,6 @@ libs:: $(LIBRARY)
libs::
$(MAKE_INSTALL) mathml.dtd $(DIST)\bin\res\dtd
$(MAKE_INSTALL) mathml.css $(DIST)\bin\res
$(PERL) mathml-css.pl $(DIST)\bin\res\ua.css
clobber::
rm -f $(DIST)\lib\$(LIBRARY_NAME).lib

Просмотреть файл

@ -53,9 +53,10 @@ interface nsIExpatSink : nsISupports
void HandleCDataSection(in wstring aData,
in unsigned long aLength);
void HandleDoctypeDecl(in wstring aDoctype,
in unsigned long aLength);
in unsigned long aLength,
in nsISupports aCatalogData);
void HandleCharacterData(in wstring aData,
in unsigned long aLength);

Просмотреть файл

@ -165,61 +165,125 @@ Driver_HandleEndDoctypeDecl(void *aUserData)
}
}
PR_STATIC_CALLBACK(int)
Driver_HandleExternalEntityRef(XML_Parser parser,
Driver_HandleExternalEntityRef(void* aExternalEntityRefHandler,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId)
{
int result = PR_TRUE;
// Load the external entity into a buffer
nsCOMPtr<nsIInputStream> in;
nsAutoString absURL;
nsresult rv = nsExpatDriver::OpenInputStream(publicId, systemId, base, getter_AddRefs(in), absURL);
if (NS_FAILED(rv)) {
return result;
NS_ASSERTION(aExternalEntityRefHandler, "expat driver should exist");
if (aExternalEntityRefHandler) {
return NS_STATIC_CAST(nsExpatDriver*,
aExternalEntityRefHandler)->HandleExternalEntityRef(
(const PRUnichar*)openEntityNames, (const PRUnichar*)base,
(const PRUnichar*)systemId, (const PRUnichar*)publicId);
}
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)) && result) {
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);
}
}
return result;
return 1;
}
/***************************** END CALL BACKS *********************************/
/***************************** CATALOG UTILS **********************************/
// Initially added for bug 113400 to switch from the remote "XHTML 1.0 plus
// MathML 2.0" DTD to the the lightweight customized version that Mozilla uses.
// Since Mozilla is not validating, no need to fetch a *huge* file at each click.
// XXX The cleanest solution here would be to fix Bug 98413: Implement XML Catalogs
struct nsCatalogData {
const char* mPublicID;
const char* mLocalDTD;
const char* mAgentSheet;
};
// The order of this table is guestimated to be in the optimum order
static const nsCatalogData kCatalogTable[] = {
{"-//W3C//DTD XHTML 1.0 Transitional//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML 1.1//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML 1.0 Strict//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML 1.0 Frameset//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML Basic 1.0//EN", "xhtml11.dtd", nsnull },
{"-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN", "mathml.dtd", "resource:/res/mathml.css" },
{"-//W3C//DTD SVG 20001102//EN", "svg.dtd", nsnull },
{nsnull, nsnull, nsnull}
};
static const nsCatalogData*
LookupCatalogData(const PRUnichar* aPublicID)
{
nsCAutoString publicID;
publicID.AssignWithConversion(aPublicID);
// linear search for now since the number of entries is going to
// be negligible, and the fix for bug 98413 would get rid of this
// code anyway
const nsCatalogData* data = kCatalogTable;
while (data->mPublicID) {
if (publicID.Equals(data->mPublicID)) {
return data;
}
++data;
}
return nsnull;
}
// aCatalogData can be null. If not null, it provides a hook to additional
// built-in knowledge on the resource that we are trying to load.
// aDTD is an in/out parameter. Returns true if the local DTD specified in the
// catalog data exists or if the filename contained within the url exists in
// the special DTD directory. If either of this exists, 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(const nsCatalogData* aCatalogData, nsCOMPtr<nsIURI>* aDTD)
{
PRBool isLoadable = PR_FALSE;
nsresult res = NS_OK;
if (!aDTD || !*aDTD) {
NS_ASSERTION(0, "Null parameter.");
return PR_FALSE;
}
nsCAutoString fileName;
if (aCatalogData) {
// remap the DTD to a known local DTD
fileName.Assign(aCatalogData->mLocalDTD);
}
if (fileName.IsEmpty()) {
// try to see if the user has installed the DTD file -- we extract the
// filename.ext of the DTD here. Hence, for any DTD for which we have
// no predefined mapping, users just have to copy the DTD file to our
// special DTD directory and it will be picked
nsCOMPtr<nsIURL> dtdURL;
dtdURL = do_QueryInterface(*aDTD, &res);
if (NS_FAILED(res)) {
return PR_FALSE;
}
res = dtdURL->GetFileName(fileName);
if (NS_FAILED(res) || fileName.IsEmpty()) {
return PR_FALSE;
}
}
nsSpecialSystemDirectory dtdPath(nsSpecialSystemDirectory::OS_CurrentProcessDirectory);
dtdPath += PromiseFlatCString(nsDependentCString(kDTDDirectory) + fileName).get();
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;
NS_NewURI(getter_AddRefs(dtdURI), dtdFile.GetURLString());
if (dtdURI) {
*aDTD = dtdURI;
isLoadable = PR_TRUE;
}
}
return isLoadable;
}
/***************************** END CATALOG UTILS ******************************/
NS_IMPL_ISUPPORTS2(nsExpatDriver,
nsITokenizer,
nsIDTD);
@ -241,7 +305,8 @@ nsExpatDriver::nsExpatDriver()
mBytesParsed(0),
mBytePosition(0),
mInternalState(NS_OK),
mDoctypePos(-1)
mDoctypePos(-1),
mCatalogData(nsnull)
{
NS_INIT_REFCNT();
}
@ -386,7 +451,15 @@ nsExpatDriver::HandleEndDoctypeDecl()
const PRUnichar* doctypeEnd = mBuffer + ( XML_GetCurrentByteIndex(mExpatParser) - mBytesParsed ) / 2;
if(mSink) {
mInternalState = mSink->HandleDoctypeDecl(doctypeStart, doctypeEnd - doctypeStart);
// let the sink know any additional knowledge that we have about the document
// (currently, from bug 124570, we only expect to pass additional agent sheets
// needed to layout the XML vocabulary of the document)
nsIURI* data = nsnull;
if (mCatalogData && mCatalogData->mAgentSheet) {
NS_NewURI(&data, mCatalogData->mAgentSheet);
}
mInternalState = mSink->HandleDoctypeDecl(doctypeStart, doctypeEnd - doctypeStart, data);
NS_IF_RELEASE(data);
}
mDoctypePos = kNotInDoctype;
@ -394,130 +467,90 @@ nsExpatDriver::HandleEndDoctypeDecl()
return NS_OK;
}
// Initially added for bug 113400 to switch from the remote "XHTML 1.0 plus
// MathML 2.0" DTD to the the lightweight customized version that Mozilla uses.
// Since Mozilla is not validating, no need to fetch a *huge* file at each click.
// XXX The cleanest solution here would be to fix Bug 98413: Implement XML Catalogs
struct nsCatalogEntry {
const char* mPublicID;
const char* mLocalDTD;
};
// The order of this table is guestimated to be in the optimum order
static const nsCatalogEntry kCatalogTable[] = {
{"-//W3C//DTD XHTML 1.0 Transitional//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML 1.1//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML 1.0 Strict//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML 1.0 Frameset//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML Basic 1.0//EN", "xhtml11.dtd" },
{"-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN", "mathml.dtd" },
{"-//W3C//DTD SVG 20001102//EN", "svg.dtd" },
{nsnull, nsnull}
};
static void
RemapDTD(const XML_Char* aPublicID, nsAWritableCString& aLocalDTD)
int
nsExpatDriver::HandleExternalEntityRef(const PRUnichar *openEntityNames,
const PRUnichar *base,
const PRUnichar *systemId,
const PRUnichar *publicId)
{
nsCAutoString publicID;
publicID.AssignWithConversion((const PRUnichar*)aPublicID);
int result = 1;
// linear search for now since the number of entries is going to
// be negligible, and the fix for bug 98413 would get rid of this
// code anyway
aLocalDTD.Truncate();
const nsCatalogEntry* data = kCatalogTable;
while (data->mPublicID) {
if (publicID.Equals(data->mPublicID)) {
aLocalDTD = data->mLocalDTD;
return;
}
++data;
}
}
// Load the external entity into a buffer
nsCOMPtr<nsIInputStream> in;
nsAutoString absURL;
// 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.
// 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(const XML_Char* aFPIStr, nsCOMPtr<nsIURI>* aDTD)
{
PRBool isLoadable = PR_FALSE;
nsresult res = NS_OK;
nsresult rv = OpenInputStream(publicId, systemId, base, getter_AddRefs(in), absURL);
if (!aDTD || !*aDTD) {
NS_ASSERTION(0, "Null parameter.");
return PR_FALSE;
if (NS_FAILED(rv)) {
return result;
}
// Return true if the url is a chrome url
res = (*aDTD)->SchemeIs("chrome", &isLoadable);
nsCOMPtr<nsIUnicharInputStream> uniIn;
// 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) {
// try to see if we can map the public ID to a known local DTD
nsCAutoString fileName;
if (aFPIStr) {
RemapDTD(aFPIStr, fileName);
}
if (fileName.IsEmpty()) {
// try to see if the user has installed the DTD file -- we extract the
// filename.ext of the DTD here. Hence, for any DTD for which we have
// no predefined mapping, users just have to copy the DTD file to our
// special DTD directory and it will be picked
nsCOMPtr<nsIURL> dtdURL;
dtdURL = do_QueryInterface(*aDTD, &res);
if (NS_FAILED(res)) {
return PR_FALSE;
}
res = dtdURL->GetFileName(fileName);
if (NS_FAILED(res) || fileName.IsEmpty()) {
return PR_FALSE;
}
}
nsSpecialSystemDirectory dtdPath(nsSpecialSystemDirectory::OS_CurrentProcessDirectory);
dtdPath += PromiseFlatCString(nsDependentCString(kDTDDirectory) + fileName).get();
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;
NS_NewURI(getter_AddRefs(dtdURI), nsDependentCString(dtdFile.GetURLString()));
if (dtdURI) {
*aDTD = dtdURI;
isLoadable = PR_TRUE;
NS_NewUTF8ConverterStream(getter_AddRefs(uniIn), in, 1024);
if (uniIn) {
XML_Parser entParser =
XML_ExternalEntityParserCreate(mExpatParser, 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)) && result) {
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);
}
}
return isLoadable;
return result;
}
nsresult
nsExpatDriver::OpenInputStream(const XML_Char* aFPIStr,
const XML_Char* aURLStr,
const XML_Char* aBaseURL,
nsExpatDriver::OpenInputStream(const PRUnichar* aFPIStr,
const PRUnichar* aURLStr,
const PRUnichar* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL)
{
nsresult rv;
nsCOMPtr<nsIURI> baseURI;
rv = NS_NewURI(getter_AddRefs(baseURI), NS_ConvertUCS2toUTF8((const PRUnichar*)aBaseURL));
rv = NS_NewURI(getter_AddRefs(baseURI), NS_ConvertUCS2toUTF8(aBaseURL).get());
if (NS_SUCCEEDED(rv) && baseURI) {
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), NS_ConvertUCS2toUTF8((const PRUnichar*)aURLStr), nsnull, baseURI);
rv = NS_NewURI(getter_AddRefs(uri), NS_ConvertUCS2toUTF8(aURLStr).get(), baseURI);
if (NS_SUCCEEDED(rv) && uri) {
if (IsLoadableDTD(aFPIStr, address_of(uri))) {
rv = NS_OpenURI(in, uri);
nsCAutoString absURL;
uri->GetSpec(absURL);
aAbsURL = NS_ConvertUTF8toUCS2(absURL);
}
else {
rv = NS_ERROR_NOT_IMPLEMENTED;
// check if it is alright to load this uri
PRBool isChrome = PR_FALSE;
uri->SchemeIs("chrome", &isChrome);
if (!isChrome) {
// since the url is not a chrome url, check to see if we can map the DTD
// to a known local DTD, or if a DTD file of the same name exists in the
// special DTD directory
if (aFPIStr) {
// see if the Formal Public Identifier (FPI) maps to a catalog entry
mCatalogData = LookupCatalogData(aFPIStr);
}
if (!IsLoadableDTD(mCatalogData, address_of(uri)))
return NS_ERROR_NOT_IMPLEMENTED;
}
}
rv = NS_OpenURI(in, uri);
nsCAutoString absURL;
uri->GetSpec(absURL);
aAbsURL = NS_ConvertUTF8toUCS2(absURL);
}
}
return rv;
}
@ -813,6 +846,7 @@ nsExpatDriver::WillBuildModel(const CParserContext& aParserContext,
XML_SetProcessingInstructionHandler(mExpatParser, Driver_HandleProcessingInstruction);
XML_SetDefaultHandlerExpand(mExpatParser, Driver_HandleDefault);
XML_SetExternalEntityRefHandler(mExpatParser, Driver_HandleExternalEntityRef);
XML_SetExternalEntityRefHandlerArg(mExpatParser, this);
XML_SetCommentHandler(mExpatParser, Driver_HandleComment);
XML_SetCdataSectionHandler(mExpatParser, Driver_HandleStartCdataSection,
Driver_HandleEndCdataSection);

Просмотреть файл

@ -46,6 +46,7 @@
#include "nsFileSpec.h"
class nsIExpatSink;
struct nsCatalogData;
class nsExpatDriver : public nsIDTD,
public nsITokenizer
@ -58,13 +59,10 @@ public:
nsExpatDriver();
virtual ~nsExpatDriver();
// Load up an external stream to get external entity information
static nsresult OpenInputStream(const XML_Char* aFPIStr,
const XML_Char* aURLStr,
const XML_Char* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL);
int HandleExternalEntityRef(const PRUnichar *openEntityNames,
const PRUnichar *base,
const PRUnichar *systemId,
const PRUnichar *publicId);
nsresult HandleStartElement(const PRUnichar *aName, const PRUnichar **aAtts);
nsresult HandleEndElement(const PRUnichar *aName);
nsresult HandleCharacterData(const PRUnichar *aCData, const PRUint32 aLength);
@ -77,7 +75,14 @@ public:
nsresult HandleEndDoctypeDecl();
protected:
// Load up an external stream to get external entity information
nsresult OpenInputStream(const PRUnichar* aFPIStr,
const PRUnichar* aURLStr,
const PRUnichar* aBaseURL,
nsIInputStream** in,
nsAString& aAbsURL);
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);
@ -93,7 +98,7 @@ protected:
nsresult mInternalState;
PRUint32 mBytesParsed;
PRUint32 mDoctypePos;
const nsCatalogData* mCatalogData; // weak
};
nsresult NS_NewExpatDriver(nsIDTD** aDriver);

Просмотреть файл

@ -603,7 +603,8 @@ RDFContentSinkImpl::HandleCDataSection(const PRUnichar *aData,
}
NS_IMETHODIMP
RDFContentSinkImpl::HandleDoctypeDecl(const PRUnichar *aDoctype, PRUint32 aLength)
RDFContentSinkImpl::HandleDoctypeDecl(const PRUnichar *aDoctype, PRUint32 aLength,
nsISupports *aCatalogData)
{
return NS_OK;
}