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Bugscape bug 9924, fix perceived hang by improving comment parsing performance in strict mode. Patch from harishd, r=heikki, sr=vidur.

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git-svn-id: svn://10.0.0.236/trunk@104529 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
heikki%netscape.com
2001-10-03 06:54:31 +00:00
parent 0392d6f008
commit 38b093fce3
2 changed files with 34 additions and 22 deletions
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28
mozilla/htmlparser/src/nsHTMLTokens.cpp
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@@ -1058,20 +1058,26 @@ nsresult ConsumeStrictComment(PRUnichar aChar, nsScanner& aScanner,nsString& aSt
//in this case, we're reading a long-form comment <-- xxx -->
aString+=aChar;
if(NS_OK==result) {
PRInt32 findpos=-1;
//Find the first ending sequence '--'
PRBool found = PR_FALSE;
nsAutoString temp;
//Read to the first ending sequence '--'
while((kNotFound==findpos) && (NS_OK==result)) {
result=aScanner.ReadUntil(temp,kMinus,PR_TRUE);
findpos=temp.RFind("--");
}
aString+=temp;
if(NS_OK==result) {
if(NS_OK==result) {
do {
result = aScanner.ReadUntil(temp,kMinus,PR_TRUE);
if (NS_FAILED(result)) return result;
result = aScanner.Peek(aChar);
if (NS_FAILED(result)) return result;
if (aChar == kMinus) {
// found matching '--'
found = PR_TRUE;
aScanner.GetChar(aChar);
aString += temp;
aString += aChar;
// Read until "-" or ">"
result=aScanner.ReadUntil(aString,endCommentCondition,PR_FALSE);
result = aScanner.ReadUntil(aString,endCommentCondition,PR_FALSE);
}
}
} while (!found);
}
} //
else break; //go find '>'