From d5dcf771dad3e30f0289f38144156c83954407a1 Mon Sep 17 00:00:00 2001
From: "rjc%netscape.com" <rjc%netscape.com>
Date: Wed, 12 Sep 2007 17:47:08 +0000
Subject: [PATCH] Fix bug # 20817: use default platform charset when reading in
 bookmarks until if/when we find a META charset tag that says to use something
 else. Review: ftang@netscape.com

---
 suite/browser/src/nsBookmarksService.cpp | 28 +++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/suite/browser/src/nsBookmarksService.cpp b/suite/browser/src/nsBookmarksService.cpp
index 9fac47aa922..12db95e405e 100644
--- a/suite/browser/src/nsBookmarksService.cpp
+++ b/suite/browser/src/nsBookmarksService.cpp
@@ -89,6 +89,7 @@
 
 #include "nsICharsetConverterManager.h"
 #include "nsICharsetAlias.h"
+#include "nsIPlatformCharset.h"
 
 #ifdef	DEBUG
 #ifdef	XP_MAC
@@ -114,6 +115,14 @@ static NS_DEFINE_CID(kIOServiceCID,		  NS_IOSERVICE_CID);
 static NS_DEFINE_IID(kIIOServiceIID,		  NS_IIOSERVICE_IID);
 static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
 
+#ifndef	NS_IPLATFORMCHARSET_CID
+// XXX this CID should be defined elsewhere
+#define NS_IPLATFORMCHARSET_CID \
+{ 0x84b0f182, 0xc6c7, 0x11d2, {0xb3, 0xb0, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 }}
+#endif
+
+static NS_DEFINE_CID(kPlatformCharsetCID,	  NS_IPLATFORMCHARSET_CID);
+
 static NS_DEFINE_IID(kStringBundleServiceCID,     NS_STRINGBUNDLESERVICE_CID);
 static NS_DEFINE_IID(kIStringBundleServiceIID,    NS_ISTRINGBUNDLESERVICE_IID);
 
@@ -392,6 +401,22 @@ BookmarkParser::Init(nsFileSpec *fileSpec, nsIRDFDataSource *aDataSource)
 	mIEFavoritesRoot = nsnull;
 	mFoundIEFavoritesRoot = PR_FALSE;
 
+	nsresult		rv;
+	NS_WITH_SERVICE(nsIPlatformCharset, platformCharset, kPlatformCharsetCID, &rv);
+	if (NS_SUCCEEDED(rv) && (platformCharset))
+	{
+		nsAutoString	defaultCharset;
+		if (NS_SUCCEEDED(rv = platformCharset->GetCharset(kPlatformCharsetSel_4xBookmarkFile, defaultCharset)))
+		{
+			// found the default platform charset, now try and get a decoder from it to Unicode
+			NS_WITH_SERVICE(nsICharsetConverterManager, charsetConv, kCharsetConverterManagerCID, &rv);
+			if (NS_SUCCEEDED(rv) && (charsetConv))
+			{
+				rv = charsetConv->GetUnicodeDecoder(&defaultCharset, getter_AddRefs(mUnicodeDecoder));
+			}
+		}
+	}
+
 	if (fileSpec)
 	{
 		mContentsLen = fileSpec->GetFileSize();
@@ -877,7 +902,8 @@ BookmarkParser::ParseBookmark(const nsString &aLine, const nsCOMPtr<nsIRDFContai
 		// Now do properly replace %22's (this is what 4.5 did, anyway...)
 		static const char kEscape22[] = "%22";
 		PRInt32 offset;
-		while ((offset = url.Find(kEscape22)) >= 0) {
+		while ((offset = url.Find(kEscape22)) >= 0)
+		{
 			url.SetCharAt(' ',offset);
 			url.Cut(offset + 1, sizeof(kEscape22) - 2);
 		}