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Fix for Bugs 

19977 - Fixed crash due to misplaced TEXTAREA in TABLE.
20797 - Fixed crash caused by stray </TD>.
20645 - Fixed problem caused due to context mismatch.
22623 - Fixed by not displaying bullet for extra </LI> .
23186 - illegal content ( in TABLE ) problem.
23589 - illegal content problem.

r=rickg

For rickg
Bugs 23451 and 23555 ( Making FONT an inline-entity..as per spec. )

r=harishd
This commit is contained in:
harishd%netscape.com 2000-01-11 01:48:35 +00:00
Родитель c7b3eb0e20
Коммит f3385f8f98
10 изменённых файлов: 98 добавлений и 46 удалений
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63
htmlparser/src/CNavDTD.cpp
Просмотреть файл

@ -796,6 +796,19 @@ nsresult CNavDTD::HandleToken(CToken* aToken,nsIParser* aParser){
(theType!=eToken_end) &&
(eHTMLTag_unknown==mSkipTarget) &&
(gHTMLElements[theTag].mSkipTarget)){ //create a new target
// Ref: Bug# 19977
// For optimization, determine if the skipped content is well
// placed. This would avoid unnecessary node creation and
// extra string append. BTW, watch out in handling the head
// children ( especially the TITLE tag).
if(!gHTMLElements[eHTMLTag_head].IsChildOfHead(theTag)) {
eHTMLTags theParentTag = mBodyContext->Last();
PRBool theParentContains = -1;
if(CanOmit(theParentTag,theTag,theParentContains)) {
result=HandleOmittedTag(theToken,theTag,theParentTag,nsnull);
return result;
}
}
mSkipTarget=gHTMLElements[theTag].mSkipTarget;
mSkippedContent.Push(theToken);
}
@ -1085,7 +1098,7 @@ nsresult CNavDTD::HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsI
}
if(theChildAgrees && theChildIsContainer) {
if (theParentTag!=aChildTag) {
if ((theParentTag!=aChildTag) && (nsHTMLElement::IsResidualStyleTag(aChildTag))) {
PRInt32 theChildIndex=GetIndexOfChildOrSynonym(*mBodyContext,aChildTag);
@ -1110,7 +1123,8 @@ nsresult CNavDTD::HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsI
if(!(theParentContains && theChildAgrees)) {
if (!CanPropagate(theParentTag,aChildTag,theParentContains)) {
if(theChildIsContainer || (!theParentContains)){
if((!theChildAgrees) && (!gHTMLElements[aChildTag].CanAutoCloseTag(*mBodyContext,aChildTag))) {
if((!theChildAgrees) && (!gHTMLElements[aChildTag].CanAutoCloseTag(*mBodyContext,aChildTag)) ||
(mBodyContext->mContextTopIndex > 0 && theIndex <= mBodyContext->mContextTopIndex)) {
// Closing the tags above might cause non-compatible results.
// Ex. <TABLE><TR><TD><TBODY>Text</TD></TR></TABLE>.
// In the example above <TBODY> is badly misplaced, but
@ -1286,7 +1300,9 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
CToken* theToken = aToken;
if(aToken) {
PRInt32 attrCount = aToken->GetAttributeCount();
// Note: The node for a misplaced skipped content is not yet created ( for optimization ) and hence
// it's impossible to collect attributes. So, treat the token as though it doesn't have attibutes.
PRInt32 attrCount = (gHTMLElements[aChildTag].mSkipTarget)? 0:aToken->GetAttributeCount();
if((gHTMLElements[aParent].HasSpecialProperty(kBadContentWatch)) &&
(!nsHTMLElement::IsWhitespaceTag(aChildTag))) {
eHTMLTags theTag=eHTMLTag_unknown;
@ -1303,6 +1319,9 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
PRBool done=PR_FALSE;
if(theIndex>kNotFound) {
// Avoid TD and TH getting into misplaced content stack
// because they are legal table elements. -- Ref: Bug# 20797
static eHTMLTags gLegalElements[]={eHTMLTag_td,eHTMLTag_th};
while(!done){
mMisplacedContent.Push(theToken);
theToken->mUseCount++;
@ -1316,7 +1335,9 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
theToken->mUseCount=0;
theTag=(eHTMLTags)theToken->GetTypeID();
if(!nsHTMLElement::IsWhitespaceTag(theTag) && theTag!=eHTMLTag_unknown) {
if((gHTMLElements[theTag].HasSpecialProperty(kBadContentWatch)) ||
if((gHTMLElements[theTag].mSkipTarget && theToken->GetTokenType() != eToken_end) ||
(FindTagInSet(theTag,gLegalElements,sizeof(gLegalElements)/sizeof(theTag))) ||
(gHTMLElements[theTag].HasSpecialProperty(kBadContentWatch)) ||
(gHTMLElements[aParent].CanContain(theTag))) {
done=PR_TRUE;
}
@ -1326,7 +1347,8 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
else done=PR_TRUE;
}//while
if(result==NS_OK) {
result=HandleSavedTokens(theIndex);
result=HandleSavedTokens(mBodyContext->mContextTopIndex=theIndex);
mBodyContext->mContextTopIndex=0;
}
}//if
}//if
@ -1658,9 +1680,12 @@ nsresult CNavDTD::HandleEndToken(CToken* aToken) {
PopStyle(theChildTag);
if(gHTMLElements[theChildTag].IsMemberOf(kBlockEntity) &&
// If the bit kHandleStrayTag is set then we automatically open up a matching
// start tag ( compatibility ). Currently this bit is set on P tag.
// This also fixes Bug: 22623
if(gHTMLElements[theChildTag].HasSpecialProperty(kHandleStrayTag) &&
mParseMode!=eParseMode_noquirks) {
// Oh boy!! we found a "stray" block entity. Nav4.x and IE introduce line break in
// Oh boy!! we found a "stray" tag. Nav4.x and IE introduce line break in
// such cases. So, let's simulate that effect for compatibility.
// Ex. <html><body>Hello</P>There</body></html>
PRBool theParentContains=-1; //set to -1 to force canomit to recompute.
@ -1735,21 +1760,19 @@ nsresult CNavDTD::HandleSavedTokens(PRInt32 anIndex) {
theToken=(CToken*)mMisplacedContent.PopFront();
if(theToken) {
theTag = (eHTMLTags)theToken->GetTypeID();
if(theTag != eHTMLTag_unknown) {
attrCount = theToken->GetAttributeCount();
// Put back attributes, which once got popped out, into the tokenizer
for(PRInt32 j=0;j<attrCount; j++){
CToken* theAttrToken = (CToken*)mMisplacedContent.PopFront();
if(theAttrToken) {
mTokenizer->PushTokenFront(theAttrToken);
}
attrCount = (gHTMLElements[theTag].mSkipTarget)? 0:theToken->GetAttributeCount();
// Put back attributes, which once got popped out, into the tokenizer
for(PRInt32 j=0;j<attrCount; j++){
CToken* theAttrToken = (CToken*)mMisplacedContent.PopFront();
if(theAttrToken) {
mTokenizer->PushTokenFront(theAttrToken);
}
// Make sure that the BeginContext() is ended only by the call to
// EndContext().
if(theTag!=theParentTag || eToken_end!=theToken->GetTokenType())
result=HandleToken(theToken,mParser);
else mTokenRecycler->RecycleToken(theToken);
}
// Make sure that the BeginContext() is ended only by the call to
// EndContext().
if(theTag!=theParentTag || eToken_end!=theToken->GetTokenType())
result=HandleToken(theToken,mParser);
else mTokenRecycler->RecycleToken(theToken);
}
theBadTokenCount--;
}//while

1
htmlparser/src/nsDTDUtils.cpp
Просмотреть файл

@ -341,6 +341,7 @@ nsDTDContext::nsDTDContext() : mStack() {
MOZ_COUNT_CTOR(nsDTDContext);
mResidualStyleCount=0;
mContextTopIndex=0;
#ifdef NS_DEBUG
memset(mXTags,0,sizeof(mXTags));

1
htmlparser/src/nsDTDUtils.h
Просмотреть файл

@ -157,6 +157,7 @@ public:
nsEntryStack mStack; //this will hold a list of tagentries...
PRInt32 mResidualStyleCount;
PRInt32 mContextTopIndex;
#ifdef NS_DEBUG
enum { eMaxTags = 100 };

6
htmlparser/src/nsElementTable.cpp
Просмотреть файл

@ -900,8 +900,8 @@ void InitializeElementTable(void) {
/*req-parent excl-parent*/ eHTMLTag_unknown,eHTMLTag_unknown,
/*rootnodes,endrootnodes*/ &gRootTags,&gRootTags,
/*autoclose starttags and endtags*/ 0,0,0,0,
/*parent,incl,exclgroups*/ kBlock, kInlineEntity, kNone, //this used to contain FLOW. But it's really an inline container.
/*special props, prop-range*/ 0,kDefaultPropRange, //otherwise it tries to contain things like H1..H6
/*parent,incl,exclgroups*/ kBlock, kInlineEntity, kNone, //this used to contain FLOW. But it's really an inline container.
/*special props, prop-range*/ kHandleStrayTag,kDefaultPropRange, //otherwise it tries to contain things like H1..H6
/*special parents,kids,skip*/ 0,&gInP,eHTMLTag_unknown);
Initialize(
@ -1038,7 +1038,7 @@ void InitializeElementTable(void) {
/*req-parent excl-parent*/ eHTMLTag_unknown,eHTMLTag_unknown,
/*rootnodes,endrootnodes*/ &gRootTags,&gRootTags,
/*autoclose starttags and endtags*/ 0,0,0,0,
/*parent,incl,exclgroups*/ kBlockEntity, (kInlineEntity|kSelf|kFlowEntity), kNone,
/*parent,incl,exclgroups*/ kInlineEntity, (kInlineEntity|kSelf|kFlowEntity), kNone,
/*special props, prop-range*/ 0,kDefaultPropRange,
/*special parents,kids,skip*/ 0,0,eHTMLTag_unknown);

1
htmlparser/src/nsElementTable.h
Просмотреть файл

@ -221,6 +221,7 @@ static const int kNoStyleLeaksOut = 0x0080;
static const int kMustCloseSelf = 0x0100;
static const int kSaveMisplaced = 0x0200; //If set, then children this tag can't contain are pushed onto the misplaced stack
static const int kNonContainer = 0x0400; //If set, then this tag is not a container.
static const int kHandleStrayTag = 0x0800; //If set, we automatically open a start tag
#endif

63
parser/htmlparser/src/CNavDTD.cpp
Просмотреть файл

@ -796,6 +796,19 @@ nsresult CNavDTD::HandleToken(CToken* aToken,nsIParser* aParser){
(theType!=eToken_end) &&
(eHTMLTag_unknown==mSkipTarget) &&
(gHTMLElements[theTag].mSkipTarget)){ //create a new target
// Ref: Bug# 19977
// For optimization, determine if the skipped content is well
// placed. This would avoid unnecessary node creation and
// extra string append. BTW, watch out in handling the head
// children ( especially the TITLE tag).
if(!gHTMLElements[eHTMLTag_head].IsChildOfHead(theTag)) {
eHTMLTags theParentTag = mBodyContext->Last();
PRBool theParentContains = -1;
if(CanOmit(theParentTag,theTag,theParentContains)) {
result=HandleOmittedTag(theToken,theTag,theParentTag,nsnull);
return result;
}
}
mSkipTarget=gHTMLElements[theTag].mSkipTarget;
mSkippedContent.Push(theToken);
}
@ -1085,7 +1098,7 @@ nsresult CNavDTD::HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsI
}
if(theChildAgrees && theChildIsContainer) {
if (theParentTag!=aChildTag) {
if ((theParentTag!=aChildTag) && (nsHTMLElement::IsResidualStyleTag(aChildTag))) {
PRInt32 theChildIndex=GetIndexOfChildOrSynonym(*mBodyContext,aChildTag);
@ -1110,7 +1123,8 @@ nsresult CNavDTD::HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsI
if(!(theParentContains && theChildAgrees)) {
if (!CanPropagate(theParentTag,aChildTag,theParentContains)) {
if(theChildIsContainer || (!theParentContains)){
if((!theChildAgrees) && (!gHTMLElements[aChildTag].CanAutoCloseTag(*mBodyContext,aChildTag))) {
if((!theChildAgrees) && (!gHTMLElements[aChildTag].CanAutoCloseTag(*mBodyContext,aChildTag)) ||
(mBodyContext->mContextTopIndex > 0 && theIndex <= mBodyContext->mContextTopIndex)) {
// Closing the tags above might cause non-compatible results.
// Ex. <TABLE><TR><TD><TBODY>Text</TD></TR></TABLE>.
// In the example above <TBODY> is badly misplaced, but
@ -1286,7 +1300,9 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
CToken* theToken = aToken;
if(aToken) {
PRInt32 attrCount = aToken->GetAttributeCount();
// Note: The node for a misplaced skipped content is not yet created ( for optimization ) and hence
// it's impossible to collect attributes. So, treat the token as though it doesn't have attibutes.
PRInt32 attrCount = (gHTMLElements[aChildTag].mSkipTarget)? 0:aToken->GetAttributeCount();
if((gHTMLElements[aParent].HasSpecialProperty(kBadContentWatch)) &&
(!nsHTMLElement::IsWhitespaceTag(aChildTag))) {
eHTMLTags theTag=eHTMLTag_unknown;
@ -1303,6 +1319,9 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
PRBool done=PR_FALSE;
if(theIndex>kNotFound) {
// Avoid TD and TH getting into misplaced content stack
// because they are legal table elements. -- Ref: Bug# 20797
static eHTMLTags gLegalElements[]={eHTMLTag_td,eHTMLTag_th};
while(!done){
mMisplacedContent.Push(theToken);
theToken->mUseCount++;
@ -1316,7 +1335,9 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
theToken->mUseCount=0;
theTag=(eHTMLTags)theToken->GetTypeID();
if(!nsHTMLElement::IsWhitespaceTag(theTag) && theTag!=eHTMLTag_unknown) {
if((gHTMLElements[theTag].HasSpecialProperty(kBadContentWatch)) ||
if((gHTMLElements[theTag].mSkipTarget && theToken->GetTokenType() != eToken_end) ||
(FindTagInSet(theTag,gLegalElements,sizeof(gLegalElements)/sizeof(theTag))) ||
(gHTMLElements[theTag].HasSpecialProperty(kBadContentWatch)) ||
(gHTMLElements[aParent].CanContain(theTag))) {
done=PR_TRUE;
}
@ -1326,7 +1347,8 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
else done=PR_TRUE;
}//while
if(result==NS_OK) {
result=HandleSavedTokens(theIndex);
result=HandleSavedTokens(mBodyContext->mContextTopIndex=theIndex);
mBodyContext->mContextTopIndex=0;
}
}//if
}//if
@ -1658,9 +1680,12 @@ nsresult CNavDTD::HandleEndToken(CToken* aToken) {
PopStyle(theChildTag);
if(gHTMLElements[theChildTag].IsMemberOf(kBlockEntity) &&
// If the bit kHandleStrayTag is set then we automatically open up a matching
// start tag ( compatibility ). Currently this bit is set on P tag.
// This also fixes Bug: 22623
if(gHTMLElements[theChildTag].HasSpecialProperty(kHandleStrayTag) &&
mParseMode!=eParseMode_noquirks) {
// Oh boy!! we found a "stray" block entity. Nav4.x and IE introduce line break in
// Oh boy!! we found a "stray" tag. Nav4.x and IE introduce line break in
// such cases. So, let's simulate that effect for compatibility.
// Ex. <html><body>Hello</P>There</body></html>
PRBool theParentContains=-1; //set to -1 to force canomit to recompute.
@ -1735,21 +1760,19 @@ nsresult CNavDTD::HandleSavedTokens(PRInt32 anIndex) {
theToken=(CToken*)mMisplacedContent.PopFront();
if(theToken) {
theTag = (eHTMLTags)theToken->GetTypeID();
if(theTag != eHTMLTag_unknown) {
attrCount = theToken->GetAttributeCount();
// Put back attributes, which once got popped out, into the tokenizer
for(PRInt32 j=0;j<attrCount; j++){
CToken* theAttrToken = (CToken*)mMisplacedContent.PopFront();
if(theAttrToken) {
mTokenizer->PushTokenFront(theAttrToken);
}
attrCount = (gHTMLElements[theTag].mSkipTarget)? 0:theToken->GetAttributeCount();
// Put back attributes, which once got popped out, into the tokenizer
for(PRInt32 j=0;j<attrCount; j++){
CToken* theAttrToken = (CToken*)mMisplacedContent.PopFront();
if(theAttrToken) {
mTokenizer->PushTokenFront(theAttrToken);
}
// Make sure that the BeginContext() is ended only by the call to
// EndContext().
if(theTag!=theParentTag || eToken_end!=theToken->GetTokenType())
result=HandleToken(theToken,mParser);
else mTokenRecycler->RecycleToken(theToken);
}
// Make sure that the BeginContext() is ended only by the call to
// EndContext().
if(theTag!=theParentTag || eToken_end!=theToken->GetTokenType())
result=HandleToken(theToken,mParser);
else mTokenRecycler->RecycleToken(theToken);
}
theBadTokenCount--;
}//while

1
parser/htmlparser/src/nsDTDUtils.cpp
Просмотреть файл

@ -341,6 +341,7 @@ nsDTDContext::nsDTDContext() : mStack() {
MOZ_COUNT_CTOR(nsDTDContext);
mResidualStyleCount=0;
mContextTopIndex=0;
#ifdef NS_DEBUG
memset(mXTags,0,sizeof(mXTags));

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

@ -157,6 +157,7 @@ public:
nsEntryStack mStack; //this will hold a list of tagentries...
PRInt32 mResidualStyleCount;
PRInt32 mContextTopIndex;
#ifdef NS_DEBUG
enum { eMaxTags = 100 };

6
parser/htmlparser/src/nsElementTable.cpp
Просмотреть файл

@ -900,8 +900,8 @@ void InitializeElementTable(void) {
/*req-parent excl-parent*/ eHTMLTag_unknown,eHTMLTag_unknown,
/*rootnodes,endrootnodes*/ &gRootTags,&gRootTags,
/*autoclose starttags and endtags*/ 0,0,0,0,
/*parent,incl,exclgroups*/ kBlock, kInlineEntity, kNone, //this used to contain FLOW. But it's really an inline container.
/*special props, prop-range*/ 0,kDefaultPropRange, //otherwise it tries to contain things like H1..H6
/*parent,incl,exclgroups*/ kBlock, kInlineEntity, kNone, //this used to contain FLOW. But it's really an inline container.
/*special props, prop-range*/ kHandleStrayTag,kDefaultPropRange, //otherwise it tries to contain things like H1..H6
/*special parents,kids,skip*/ 0,&gInP,eHTMLTag_unknown);
Initialize(
@ -1038,7 +1038,7 @@ void InitializeElementTable(void) {
/*req-parent excl-parent*/ eHTMLTag_unknown,eHTMLTag_unknown,
/*rootnodes,endrootnodes*/ &gRootTags,&gRootTags,
/*autoclose starttags and endtags*/ 0,0,0,0,
/*parent,incl,exclgroups*/ kBlockEntity, (kInlineEntity|kSelf|kFlowEntity), kNone,
/*parent,incl,exclgroups*/ kInlineEntity, (kInlineEntity|kSelf|kFlowEntity), kNone,
/*special props, prop-range*/ 0,kDefaultPropRange,
/*special parents,kids,skip*/ 0,0,eHTMLTag_unknown);

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

@ -221,6 +221,7 @@ static const int kNoStyleLeaksOut = 0x0080;
static const int kMustCloseSelf = 0x0100;
static const int kSaveMisplaced = 0x0200; //If set, then children this tag can't contain are pushed onto the misplaced stack
static const int kNonContainer = 0x0400; //If set, then this tag is not a container.
static const int kHandleStrayTag = 0x0800; //If set, we automatically open a start tag
#endif