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fixed mail/news crash and bug 4606

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This commit is contained in:
rickg%netscape.com 1999-04-07 21:05:19 +00:00
parent a24681ea5d
commit bc41d2b9f5
8 changed files with 160 additions and 26 deletions
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5
base/src/nsDeque.cpp
View File

@ -164,13 +164,14 @@ nsDeque& nsDeque::PushFront(void* anItem) {
GrowCapacity();
}
if(0==mOrigin){ //case1: [xxx..]
mOrigin=mCapacity-1-mSize++;
//mOrigin=mCapacity-1-mSize++;
mOrigin=mCapacity-1;
mData[mOrigin]=anItem;
}
else {// if(mCapacity==(mOrigin+mSize-1)){ //case2: [..xxx] and case3: [.xxx.]
mData[--mOrigin]=anItem;
mSize++;
}
mSize++;
return *this;
}

81
htmlparser/src/CNavDTD.cpp
View File

@ -25,7 +25,6 @@
#include "nsIParser.h"
#include "nsIHTMLContentSink.h"
#include "nsScanner.h"
//#include "nsVoidArray.h"
#include "nsTokenHandler.h"
#include "nsIDTDDebug.h"
#include "prenv.h" //this is here for debug reasons...
@ -44,6 +43,11 @@
#endif
#include "prmem.h"
#define RICKG_DEBUG 0
#ifdef RICKG_DEBUG
#include <fstream.h>
#endif
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
@ -477,6 +481,7 @@ nsresult CNavDTD::WillBuildModel(nsString& aFilename,PRBool aNotifySink,nsString
return result;
}
/**
* This is called when it's time to read as many tokens from the tokenizer
* as you can. Not all tokens may make sense, so you may not be able to
@ -614,12 +619,6 @@ nsresult CNavDTD::HandleToken(CToken* aToken,nsIParser* aParser){
PRBool isHeadChild=gHTMLElements[eHTMLTag_head].IsChildOfHead(theTag);
if((!isHeadChild) && (mHasOpenScript || (!FindTagInSet(theTag,docElements,sizeof(docElements)/sizeof(eHTMLTag_unknown))))){
//really we want to push the token and all its skipped content and attributes...
if(0==mMisplacedContent.GetSize()){
CTokenRecycler* theRecycler=(CTokenRecycler*)mTokenizer->GetTokenRecycler();
CToken* theBodyToken=theRecycler->CreateTokenOfType(eToken_start,eHTMLTag_body);
mMisplacedContent.Push(theBodyToken);
}
mMisplacedContent.Push(theToken);
theToken=0; //force us to fall to bottom of this method...
result=NS_ERROR_HTMLPARSER_MISPLACED;
@ -627,6 +626,7 @@ nsresult CNavDTD::HandleToken(CToken* aToken,nsIParser* aParser){
}
if(theToken){
CITokenHandler* theHandler=GetTokenHandler(theType);
if(theHandler) {
mParser=(nsParser*)aParser;
@ -988,6 +988,15 @@ nsresult CNavDTD::HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsI
return result;
}
#ifdef RICKG_DEBUG
void WriteTokenToLog(CToken* aToken) {
static fstream outputStream("c:/temp/tokenlog.html",ios::out);
aToken->DebugDumpSource(outputStream); //write token without close bracket...
}
#endif
/**
* This gets called before we've handled a given start tag.
* It's a generic hook to let us do pre processing.
@ -1104,7 +1113,6 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
return result;
}
/**
* This method gets called when a start token has been
* encountered in the parse process. If the current container
@ -1122,6 +1130,10 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
nsresult CNavDTD::HandleStartToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,kNullToken);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
//Begin by gathering up attributes...
eHTMLTags theChildTag=(eHTMLTags)aToken->GetTypeID();
nsCParserNode attrNode((CHTMLToken*)aToken,mLineNumber,GetTokenRecycler());
@ -1304,8 +1316,12 @@ nsresult CNavDTD::HandleEndToken(CToken* aToken) {
nsresult result=NS_OK;
eHTMLTags theChildTag=(eHTMLTags)aToken->GetTypeID();
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
switch(theChildTag) {
case eHTMLTag_script:
@ -1358,6 +1374,11 @@ nsresult CNavDTD::HandleEntityToken(CToken* aToken) {
if(PR_FALSE==CanOmit(mBodyContext->Last(),eHTMLTag_entity)) {
nsCParserNode aNode((CHTMLToken*)aToken,mLineNumber);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
result=AddLeaf(aNode);
}
return result;
@ -1377,6 +1398,10 @@ nsresult CNavDTD::HandleCommentToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,kNullToken);
nsCParserNode aNode((CHTMLToken*)aToken,mLineNumber);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
// You may find this hard to beleive, but this has to be here
// so that the TBODY doesnt die when it sees a comment.
// This case occurs on WWW.CREAF.COM
@ -1480,6 +1505,11 @@ nsresult CNavDTD::HandleStyleToken(CToken* aToken){
nsresult CNavDTD::HandleProcessingInstructionToken(CToken* aToken){
NS_PRECONDITION(0!=aToken,kNullToken);
nsCParserNode aNode((CHTMLToken*)aToken,mLineNumber);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
nsresult result=(mSink) ? mSink->AddProcessingInstruction(aNode) : NS_OK;
return result;
}
@ -1501,6 +1531,11 @@ nsresult CNavDTD::CollectAttributes(nsCParserNode& aNode,PRInt32 aCount){
for(attr=0;attr<aCount;attr++){
CToken* theToken=mTokenizer->PopToken();
if(theToken) {
#ifdef RICKG_DEBUG
WriteTokenToLog(theToken);
#endif
aNode.AddAttribute(theToken);
}
}
@ -1529,6 +1564,11 @@ nsresult CNavDTD::CollectSkippedContent(nsCParserNode& aNode,PRInt32& aCount) {
if(theToken) {
theType=eHTMLTokenTypes(theToken->GetTokenType());
if(eToken_skippedcontent==theType) {
#ifdef RICKG_DEBUG
WriteTokenToLog(theToken);
#endif
aNode.SetSkippedContent(theToken);
aCount++;
}
@ -1566,6 +1606,29 @@ CITokenHandler* CNavDTD::GetTokenHandler(eHTMLTokenTypes aType) const {
*/
void CNavDTD::EmitMisplacedContent(nsITokenizer* aTokenizer){
if(aTokenizer){
if(!mHadBodyOrFrameset){
int index=0;
int max=mMisplacedContent.GetSize();
PRBool isBodyContent=PR_TRUE;
for(index=0;index<max;index++){
CToken* theToken=(CToken*)mMisplacedContent.ObjectAt(index);
if(theToken){
eHTMLTags theTag=(eHTMLTags)theToken->GetTypeID();
static eHTMLTags frameTags[]={eHTMLTag_frame,eHTMLTag_noframes,eHTMLTag_frameset};
if(FindTagInSet(theTag,frameTags,sizeof(frameTags)/sizeof(eHTMLTag_unknown))) {
isBodyContent=PR_FALSE;
break;
}
}
} //for
if(isBodyContent){
CTokenRecycler* theRecycler=(CTokenRecycler*)aTokenizer->GetTokenRecycler();
CToken* theBodyToken=theRecycler->CreateTokenOfType(eToken_start,eHTMLTag_body);
mMisplacedContent.PushFront(theBodyToken);
//mMisplacedContent.PushFront(theBodyToken);
}
}
aTokenizer->PrependTokens(mMisplacedContent);
}
}

5
htmlparser/src/nsHTMLTags.h
View File

@ -61,7 +61,10 @@ enum nsHTMLTag {
/* The remaining enums are not for tags */
eHTMLTag_text=113, eHTMLTag_whitespace=114, eHTMLTag_newline=115,
eHTMLTag_comment=116, eHTMLTag_entity=117, eHTMLTag_userdefined=118
eHTMLTag_comment=116, eHTMLTag_entity=117, eHTMLTag_userdefined=118,
eHTMLTag_secret_h1style=119, eHTMLTag_secret_h2style=120,
eHTMLTag_secret_h3style=121, eHTMLTag_secret_h4style=122,
eHTMLTag_secret_h5style=123, eHTMLTag_secret_h6style=124
};
#define NS_HTML_TAG_MAX 112

2
htmlparser/src/nsHTMLTokens.cpp
View File

@ -1356,7 +1356,7 @@ static PRUint16 PA_HackTable[] = {
0x2039, /* SINGLE LEFT-POINTING ANGLE QUOTATION MARK */
0x0152, /* LATIN CAPITAL LIGATURE OE */
NOT_USED,
NOT_USED,
0x017D, /* CAPITAL Z HACEK */
NOT_USED,
NOT_USED,
0x2018, /* LEFT SINGLE QUOTATION MARK */

81
parser/htmlparser/src/CNavDTD.cpp
View File

@ -25,7 +25,6 @@
#include "nsIParser.h"
#include "nsIHTMLContentSink.h"
#include "nsScanner.h"
//#include "nsVoidArray.h"
#include "nsTokenHandler.h"
#include "nsIDTDDebug.h"
#include "prenv.h" //this is here for debug reasons...
@ -44,6 +43,11 @@
#endif
#include "prmem.h"
#define RICKG_DEBUG 0
#ifdef RICKG_DEBUG
#include <fstream.h>
#endif
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
@ -477,6 +481,7 @@ nsresult CNavDTD::WillBuildModel(nsString& aFilename,PRBool aNotifySink,nsString
return result;
}
/**
* This is called when it's time to read as many tokens from the tokenizer
* as you can. Not all tokens may make sense, so you may not be able to
@ -614,12 +619,6 @@ nsresult CNavDTD::HandleToken(CToken* aToken,nsIParser* aParser){
PRBool isHeadChild=gHTMLElements[eHTMLTag_head].IsChildOfHead(theTag);
if((!isHeadChild) && (mHasOpenScript || (!FindTagInSet(theTag,docElements,sizeof(docElements)/sizeof(eHTMLTag_unknown))))){
//really we want to push the token and all its skipped content and attributes...
if(0==mMisplacedContent.GetSize()){
CTokenRecycler* theRecycler=(CTokenRecycler*)mTokenizer->GetTokenRecycler();
CToken* theBodyToken=theRecycler->CreateTokenOfType(eToken_start,eHTMLTag_body);
mMisplacedContent.Push(theBodyToken);
}
mMisplacedContent.Push(theToken);
theToken=0; //force us to fall to bottom of this method...
result=NS_ERROR_HTMLPARSER_MISPLACED;
@ -627,6 +626,7 @@ nsresult CNavDTD::HandleToken(CToken* aToken,nsIParser* aParser){
}
if(theToken){
CITokenHandler* theHandler=GetTokenHandler(theType);
if(theHandler) {
mParser=(nsParser*)aParser;
@ -988,6 +988,15 @@ nsresult CNavDTD::HandleDefaultStartToken(CToken* aToken,eHTMLTags aChildTag,nsI
return result;
}
#ifdef RICKG_DEBUG
void WriteTokenToLog(CToken* aToken) {
static fstream outputStream("c:/temp/tokenlog.html",ios::out);
aToken->DebugDumpSource(outputStream); //write token without close bracket...
}
#endif
/**
* This gets called before we've handled a given start tag.
* It's a generic hook to let us do pre processing.
@ -1104,7 +1113,6 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
return result;
}
/**
* This method gets called when a start token has been
* encountered in the parse process. If the current container
@ -1122,6 +1130,10 @@ nsresult CNavDTD::HandleOmittedTag(CToken* aToken,eHTMLTags aChildTag,eHTMLTags
nsresult CNavDTD::HandleStartToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,kNullToken);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
//Begin by gathering up attributes...
eHTMLTags theChildTag=(eHTMLTags)aToken->GetTypeID();
nsCParserNode attrNode((CHTMLToken*)aToken,mLineNumber,GetTokenRecycler());
@ -1304,8 +1316,12 @@ nsresult CNavDTD::HandleEndToken(CToken* aToken) {
nsresult result=NS_OK;
eHTMLTags theChildTag=(eHTMLTags)aToken->GetTypeID();
nsCParserNode theNode((CHTMLToken*)aToken,mLineNumber);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
switch(theChildTag) {
case eHTMLTag_script:
@ -1358,6 +1374,11 @@ nsresult CNavDTD::HandleEntityToken(CToken* aToken) {
if(PR_FALSE==CanOmit(mBodyContext->Last(),eHTMLTag_entity)) {
nsCParserNode aNode((CHTMLToken*)aToken,mLineNumber);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
result=AddLeaf(aNode);
}
return result;
@ -1377,6 +1398,10 @@ nsresult CNavDTD::HandleCommentToken(CToken* aToken) {
NS_PRECONDITION(0!=aToken,kNullToken);
nsCParserNode aNode((CHTMLToken*)aToken,mLineNumber);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
// You may find this hard to beleive, but this has to be here
// so that the TBODY doesnt die when it sees a comment.
// This case occurs on WWW.CREAF.COM
@ -1480,6 +1505,11 @@ nsresult CNavDTD::HandleStyleToken(CToken* aToken){
nsresult CNavDTD::HandleProcessingInstructionToken(CToken* aToken){
NS_PRECONDITION(0!=aToken,kNullToken);
nsCParserNode aNode((CHTMLToken*)aToken,mLineNumber);
#ifdef RICKG_DEBUG
WriteTokenToLog(aToken);
#endif
nsresult result=(mSink) ? mSink->AddProcessingInstruction(aNode) : NS_OK;
return result;
}
@ -1501,6 +1531,11 @@ nsresult CNavDTD::CollectAttributes(nsCParserNode& aNode,PRInt32 aCount){
for(attr=0;attr<aCount;attr++){
CToken* theToken=mTokenizer->PopToken();
if(theToken) {
#ifdef RICKG_DEBUG
WriteTokenToLog(theToken);
#endif
aNode.AddAttribute(theToken);
}
}
@ -1529,6 +1564,11 @@ nsresult CNavDTD::CollectSkippedContent(nsCParserNode& aNode,PRInt32& aCount) {
if(theToken) {
theType=eHTMLTokenTypes(theToken->GetTokenType());
if(eToken_skippedcontent==theType) {
#ifdef RICKG_DEBUG
WriteTokenToLog(theToken);
#endif
aNode.SetSkippedContent(theToken);
aCount++;
}
@ -1566,6 +1606,29 @@ CITokenHandler* CNavDTD::GetTokenHandler(eHTMLTokenTypes aType) const {
*/
void CNavDTD::EmitMisplacedContent(nsITokenizer* aTokenizer){
if(aTokenizer){
if(!mHadBodyOrFrameset){
int index=0;
int max=mMisplacedContent.GetSize();
PRBool isBodyContent=PR_TRUE;
for(index=0;index<max;index++){
CToken* theToken=(CToken*)mMisplacedContent.ObjectAt(index);
if(theToken){
eHTMLTags theTag=(eHTMLTags)theToken->GetTypeID();
static eHTMLTags frameTags[]={eHTMLTag_frame,eHTMLTag_noframes,eHTMLTag_frameset};
if(FindTagInSet(theTag,frameTags,sizeof(frameTags)/sizeof(eHTMLTag_unknown))) {
isBodyContent=PR_FALSE;
break;
}
}
} //for
if(isBodyContent){
CTokenRecycler* theRecycler=(CTokenRecycler*)aTokenizer->GetTokenRecycler();
CToken* theBodyToken=theRecycler->CreateTokenOfType(eToken_start,eHTMLTag_body);
mMisplacedContent.PushFront(theBodyToken);
//mMisplacedContent.PushFront(theBodyToken);
}
}
aTokenizer->PrependTokens(mMisplacedContent);
}
}

5
parser/htmlparser/src/nsHTMLTags.h
View File

@ -61,7 +61,10 @@ enum nsHTMLTag {
/* The remaining enums are not for tags */
eHTMLTag_text=113, eHTMLTag_whitespace=114, eHTMLTag_newline=115,
eHTMLTag_comment=116, eHTMLTag_entity=117, eHTMLTag_userdefined=118
eHTMLTag_comment=116, eHTMLTag_entity=117, eHTMLTag_userdefined=118,
eHTMLTag_secret_h1style=119, eHTMLTag_secret_h2style=120,
eHTMLTag_secret_h3style=121, eHTMLTag_secret_h4style=122,
eHTMLTag_secret_h5style=123, eHTMLTag_secret_h6style=124
};
#define NS_HTML_TAG_MAX 112

2
parser/htmlparser/src/nsHTMLTokens.cpp
View File

@ -1356,7 +1356,7 @@ static PRUint16 PA_HackTable[] = {
0x2039, /* SINGLE LEFT-POINTING ANGLE QUOTATION MARK */
0x0152, /* LATIN CAPITAL LIGATURE OE */
NOT_USED,
NOT_USED,
0x017D, /* CAPITAL Z HACEK */
NOT_USED,
NOT_USED,
0x2018, /* LEFT SINGLE QUOTATION MARK */

5
xpcom/ds/nsDeque.cpp
View File

@ -164,13 +164,14 @@ nsDeque& nsDeque::PushFront(void* anItem) {
GrowCapacity();
}
if(0==mOrigin){ //case1: [xxx..]
mOrigin=mCapacity-1-mSize++;
//mOrigin=mCapacity-1-mSize++;
mOrigin=mCapacity-1;
mData[mOrigin]=anItem;
}
else {// if(mCapacity==(mOrigin+mSize-1)){ //case2: [..xxx] and case3: [.xxx.]
mData[--mOrigin]=anItem;
mSize++;
}
mSize++;
return *this;
}