From dc71142bfce3c9be456b6eddceb2d30cc1ecfb10 Mon Sep 17 00:00:00 2001
From: "rickg%netscape.com"
 <rickg%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 25 Nov 1998 02:41:17 +0000
Subject: [PATCH] change Parse(nsString&...) so that an empy string doesn't
 start process

git-svn-id: svn://10.0.0.236/trunk@15285 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/htmlparser/src/nsParser.cpp        | 22 ++++++++++++----------
 mozilla/parser/htmlparser/src/nsParser.cpp | 22 ++++++++++++----------
 2 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/mozilla/htmlparser/src/nsParser.cpp b/mozilla/htmlparser/src/nsParser.cpp
index 81ab783f8a1..9c20c4ddc6a 100644
--- a/mozilla/htmlparser/src/nsParser.cpp
+++ b/mozilla/htmlparser/src/nsParser.cpp
@@ -637,18 +637,20 @@ PRInt32 nsParser::Parse(nsString& aSourceBuffer,PRBool anHTMLString,PRBool aVeri
   PRInt32 result=kNoError;
   mDTDVerification=aVerifyEnabled;
 
-  CParserContext* pc=new CParserContext(new CScanner(aSourceBuffer),&aSourceBuffer,0);
+  if(0<aSourceBuffer.Length()){
+    CParserContext* pc=new CParserContext(new CScanner(aSourceBuffer),&aSourceBuffer,0);
 
-  PushContext(*pc);
-  if(PR_TRUE==anHTMLString)
-    pc->mSourceType="text/html";
-  if(eValidDetect==AutoDetectContentType(aSourceBuffer,mParserContext->mSourceType)) {
-    WillBuildModel(mParserContext->mScanner->GetFilename());
-    result=ResumeParse();
-    DidBuildModel(result);
+    PushContext(*pc);
+    if(PR_TRUE==anHTMLString)
+      pc->mSourceType="text/html";
+    if(eValidDetect==AutoDetectContentType(aSourceBuffer,mParserContext->mSourceType)) {
+      WillBuildModel(mParserContext->mScanner->GetFilename());
+      result=ResumeParse();
+      DidBuildModel(result);
+    }
+    pc=PopContext();
+    delete pc;
   }
-  pc=PopContext();
-  delete pc;
   return result;
 }
 
diff --git a/mozilla/parser/htmlparser/src/nsParser.cpp b/mozilla/parser/htmlparser/src/nsParser.cpp
index 81ab783f8a1..9c20c4ddc6a 100644
--- a/mozilla/parser/htmlparser/src/nsParser.cpp
+++ b/mozilla/parser/htmlparser/src/nsParser.cpp
@@ -637,18 +637,20 @@ PRInt32 nsParser::Parse(nsString& aSourceBuffer,PRBool anHTMLString,PRBool aVeri
   PRInt32 result=kNoError;
   mDTDVerification=aVerifyEnabled;
 
-  CParserContext* pc=new CParserContext(new CScanner(aSourceBuffer),&aSourceBuffer,0);
+  if(0<aSourceBuffer.Length()){
+    CParserContext* pc=new CParserContext(new CScanner(aSourceBuffer),&aSourceBuffer,0);
 
-  PushContext(*pc);
-  if(PR_TRUE==anHTMLString)
-    pc->mSourceType="text/html";
-  if(eValidDetect==AutoDetectContentType(aSourceBuffer,mParserContext->mSourceType)) {
-    WillBuildModel(mParserContext->mScanner->GetFilename());
-    result=ResumeParse();
-    DidBuildModel(result);
+    PushContext(*pc);
+    if(PR_TRUE==anHTMLString)
+      pc->mSourceType="text/html";
+    if(eValidDetect==AutoDetectContentType(aSourceBuffer,mParserContext->mSourceType)) {
+      WillBuildModel(mParserContext->mScanner->GetFilename());
+      result=ResumeParse();
+      DidBuildModel(result);
+    }
+    pc=PopContext();
+    delete pc;
   }
-  pc=PopContext();
-  delete pc;
   return result;
 }