nsresult
nsExpatDriver::HandleStartDoctypeDecl(const PRUnichar* aDoctypeName,
const PRUnichar* aSysid,
const PRUnichar* aPubid,
PRBool aHasInternalSubset)
{
mDoctypeName = aDoctypeName;
mSystemID = aSysid;
mPublicID = aPubid;
if (mExtendedSink) {
nsresult rv = mExtendedSink->HandleStartDTD(aDoctypeName, aSysid, aPubid);
MaybeStopParser(rv);
}
if (aHasInternalSubset) {
// Consuming a huge internal subset translates to numerous
// allocations. In an effort to avoid too many allocations
// setting mInternalSubset's capacity to be 1K ( just a guesstimate! ).
mInInternalSubset = PR_TRUE;
mInternalSubset.SetCapacity(1024);
} else {
// Distinguish missing internal subset from an empty one
mInternalSubset.SetIsVoid(PR_TRUE);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndDoctypeDecl()
{
NS_ASSERTION(mSink, "content sink not found!");
mInInternalSubset = PR_FALSE;
if (mSink) {
// 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)
nsCOMPtr<nsIURI> data;
if (mCatalogData && mCatalogData->mAgentSheet) {
NS_NewURI(getter_AddRefs(data), mCatalogData->mAgentSheet);
}
// Note: mInternalSubset already doesn't include the [] around it.
nsresult rv = mSink->HandleDoctypeDecl(mInternalSubset, mDoctypeName,
mSystemID, mPublicID, data);
MaybeStopParser(rv);
}
mInternalSubset.SetCapacity(0);
return NS_OK;
}
nsresult
nsExpatDriver::HandleStartElement(const PRUnichar *aValue,
const PRUnichar **aAtts)
{
NS_ASSERTION(mSink, "content sink not found!");
// Calculate the total number of elements in aAtts.
// XML_GetSpecifiedAttributeCount will only give us the number of specified
// attrs (twice that number, actually), so we have to check for default attrs
// ourselves.
PRUint32 attrArrayLength;
for (attrArrayLength = XML_GetSpecifiedAttributeCount(mExpatParser);
aAtts[attrArrayLength];
attrArrayLength += 2) {
// Just looping till we find out what the length is
}
if (mSink) {
nsresult rv = mSink->
HandleStartElement(aValue, aAtts, attrArrayLength,
XML_GetIdAttributeIndex(mExpatParser),
XML_GetCurrentLineNumber(mExpatParser));
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleDefault(const PRUnichar *aValue,
const PRUint32 aLength)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInExternalDTD) {
// Ignore newlines in external DTDs
return NS_OK;
}
if (mInInternalSubset) {
mInternalSubset.Append(aValue, aLength);
}
else if (mSink) {
PRUint32 i;
nsresult rv = mInternalState;
for (i = 0; i < aLength && NS_SUCCEEDED(rv); ++i) {
if (aValue[i] == '\n' || aValue[i] == '\r') {
rv = mSink->HandleCharacterData(&aValue[i], 1);
}
}
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleProcessingInstruction(const PRUnichar *aTarget,
const PRUnichar *aData)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInExternalDTD) {
// Ignore PIs in external DTDs for now. Eventually we want to
// pass them to the sink in a way that doesn't put them in the DOM
return NS_OK;
}
if (mInInternalSubset) {
mInternalSubset.AppendLiteral("<?");
mInternalSubset.Append(aTarget);
mInternalSubset.Append(' ');
mInternalSubset.Append(aData);
mInternalSubset.AppendLiteral("?>");
}
else if (mSink) {
nsresult rv = mSink->HandleProcessingInstruction(aTarget, aData);
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndDoctypeDecl()
{
NS_ASSERTION(mSink, "content sink not found!");
mInInternalSubset = false;
if (mSink) {
// 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)
nsCOMPtr<nsIURI> data;
#if 0
if (mCatalogData && mCatalogData->mAgentSheet) {
NS_NewURI(getter_AddRefs(data), mCatalogData->mAgentSheet);
}
#endif
// The unused support for "catalog style sheets" was removed. It doesn't
// look like we'll ever fix bug 98413 either.
MOZ_ASSERT(!mCatalogData || !mCatalogData->mAgentSheet,
"Need to add back support for catalog style sheets");
// Note: mInternalSubset already doesn't include the [] around it.
nsresult rv = mSink->HandleDoctypeDecl(mInternalSubset, mDoctypeName,
mSystemID, mPublicID, data);
MaybeStopParser(rv);
}
mInternalSubset.SetCapacity(0);
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndNamespaceDecl(const PRUnichar* aPrefix)
{
if (mExtendedSink && mInternalState != NS_ERROR_HTMLPARSER_STOPPARSING) {
nsresult rv = mExtendedSink->HandleEndNamespaceDecl(aPrefix);
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleStartNamespaceDecl(const PRUnichar* aPrefix,
const PRUnichar* aUri)
{
if (mExtendedSink) {
nsresult rv = mExtendedSink->HandleStartNamespaceDecl(aPrefix, aUri);
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleXMLDeclaration(const PRUnichar *aVersion,
const PRUnichar *aEncoding,
PRInt32 aStandalone)
{
if (mSink) {
nsresult rv = mSink->HandleXMLDeclaration(aVersion, aEncoding, aStandalone);
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleNotationDecl(const PRUnichar* aNotationName,
const PRUnichar* aBase,
const PRUnichar* aSysid,
const PRUnichar* aPubid)
{
if (mExtendedSink) {
nsresult rv = mExtendedSink->HandleNotationDecl(aNotationName, aSysid,
aPubid);
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndElement(const PRUnichar *aValue)
{
NS_ASSERTION(mSink, "content sink not found!");
NS_ASSERTION(mInternalState != NS_ERROR_HTMLPARSER_BLOCK,
"Shouldn't block from HandleStartElement.");
if (mSink && mInternalState != NS_ERROR_HTMLPARSER_STOPPARSING) {
nsresult rv = mSink->HandleEndElement(aValue);
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleEndCdataSection()
{
NS_ASSERTION(mSink, "content sink not found!");
mInCData = PR_FALSE;
if (mSink) {
nsresult rv = mSink->HandleCDataSection(mCDataText.get(),
mCDataText.Length());
MaybeStopParser(rv);
}
mCDataText.Truncate();
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) {
nsresult rv = mSink->HandleCharacterData(aValue, aLength);
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleUnparsedEntityDecl(const char16_t* aEntityName,
const char16_t* aBase,
const char16_t* aSysid,
const char16_t* aPubid,
const char16_t* aNotationName)
{
if (mExtendedSink) {
nsresult rv = mExtendedSink->HandleUnparsedEntityDecl(aEntityName,
aSysid,
aPubid,
aNotationName);
MaybeStopParser(rv);
}
return NS_OK;
}
nsresult
nsExpatDriver::HandleComment(const PRUnichar *aValue)
{
NS_ASSERTION(mSink, "content sink not found!");
if (mInExternalDTD) {
// Ignore comments from external DTDs
return NS_OK;
}
if (mInInternalSubset) {
mInternalSubset.AppendLiteral("<!--");
mInternalSubset.Append(aValue);
mInternalSubset.AppendLiteral("-->");
}
else if (mSink) {
nsresult rv = mSink->HandleComment(aValue);
MaybeStopParser(rv);
}
return NS_OK;
}
