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Go back to producing output as ISO-8859-1 when possible, for compatibility. b=355358 r+sr=bzbarsky

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This commit is contained in:
dbaron%dbaron.org 2006-10-06 05:34:32 +00:00
parent f64610acf3
commit 488bcd3e2e
1 changed files with 35 additions and 8 deletions
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43
dom/src/jsurl/nsJSProtocolHandler.cpp
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@ -1,5 +1,5 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=2 sw=4 et tw=80: */
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=4 sw=4 et tw=78: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
@ -115,6 +115,18 @@ nsresult nsJSThunk::Init(nsIURI* uri)
return NS_OK;
}
static PRBool
IsISO88591(const nsString& aString)
{
for (nsString::const_char_iterator c = aString.BeginReading(),
c_end = aString.EndReading();
c < c_end; ++c) {
if (*c > 255)
return PR_FALSE;
}
return PR_TRUE;
}
nsresult nsJSThunk::EvaluateScript(nsIChannel *aChannel)
{
nsresult rv;
@ -301,11 +313,27 @@ nsresult nsJSThunk::EvaluateScript(nsIChannel *aChannel)
rv = NS_ERROR_DOM_RETVAL_UNDEFINED;
}
else {
PRUint32 resultUTF8len;
char *resultUTF8 = ToNewUTF8String(result, &resultUTF8len);
if (resultUTF8)
char *bytes;
PRUint32 bytesLen;
NS_NAMED_LITERAL_CSTRING(isoCharset, "ISO-8859-1");
NS_NAMED_LITERAL_CSTRING(utf8Charset, "UTF-8");
const nsCString *charset;
if (IsISO88591(result)) {
// For compatibility, if the result is ISO-8859-1, we use
// ISO-8859-1, so that people can compatibly create images
// using javascript: URLs.
bytes = ToNewCString(result);
bytesLen = result.Length();
charset = &isoCharset;
}
else {
bytes = ToNewUTF8String(result, &bytesLen);
charset = &utf8Charset;
}
aChannel->SetContentCharset(*charset);
if (bytes)
rv = NS_NewByteInputStream(getter_AddRefs(mInnerStream),
resultUTF8, resultUTF8len,
bytes, bytesLen,
NS_ASSIGNMENT_ADOPT);
else
rv = NS_ERROR_OUT_OF_MEMORY;
@ -420,8 +448,7 @@ nsresult nsJSChannel::Init(nsIURI *aURI)
// If the resultant script evaluation actually does return a value, we
// treat it as html.
rv = NS_NewInputStreamChannel(getter_AddRefs(channel), aURI, mIOThunk,
NS_LITERAL_CSTRING("text/html"),
NS_LITERAL_CSTRING("UTF-8"));
NS_LITERAL_CSTRING("text/html"));
if (NS_FAILED(rv)) return rv;
rv = mIOThunk->Init(aURI);