Mozilla/mozilla/content/shared/src/nsHTMLUtils.cpp
shanjian%netscape.com 7beea85904 #181117 Non-ASCII(plane 1 surrogate) link not correctly parsed in UTF-16
if the doc charset is utf-16 or utf-32,use utf8 for url encoding.
r=nhotta, sr=darin


git-svn-id: svn://10.0.0.236/trunk@134442 18797224-902f-48f8-a5cc-f745e15eee43
2002-11-26 04:42:30 +00:00

136 lines
4.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
Some silly extra stuff that doesn't have anywhere better to go.
*/
#include "nsCOMPtr.h"
#include "nsHTMLUtils.h"
#include "nsIDocument.h"
#include "nsIIOService.h"
#include "nsIServiceManager.h"
#include "nsICharsetConverterManager.h"
#include "nsString.h"
#include "nsXPIDLString.h"
#include "prprf.h"
#include "nsNetCID.h"
#include "nsReadableUtils.h"
#include "nsIURI.h"
static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
nsresult
NS_MakeAbsoluteURIWithCharset(nsACString &aResult,
const nsString& aSpec,
nsIDocument* aDocument,
nsIURI* aBaseURI,
nsIIOService* aIOService,
nsICharsetConverterManager* aConvMgr)
{
// Initialize aResult in case of tragedy
aResult.Truncate();
// Sanity
NS_PRECONDITION(aBaseURI != nsnull, "no base URI");
if (! aBaseURI)
return NS_ERROR_FAILURE;
// This gets the relative spec after gyrating it through all the
// necessary encodings and escaping.
if (IsASCII(aSpec)) {
// If it's ASCII, then just copy the characters
return aBaseURI->Resolve(NS_LossyConvertUCS2toASCII(aSpec), aResult);
}
nsCOMPtr<nsIURI> absURI;
nsresult rv;
nsAutoString originCharset; // XXX why store charset as UCS2?
if (aDocument && NS_FAILED(aDocument->GetDocumentCharacterSet(originCharset)))
originCharset.Truncate();
// URI can't be encoded in UTF-16, UTF-16BE, UTF-16LE, UTF-32, UTF-32-LE,
// UTF-32LE, UTF-32BE (yet?). Truncate it and leave it to default (UTF-8)
if (originCharset[0] == 'U' &&
originCharset[1] == 'T' &&
originCharset[2] == 'F')
originCharset.Truncate();
rv = nsHTMLUtils::IOService->NewURI(NS_ConvertUCS2toUTF8(aSpec),
NS_LossyConvertUCS2toASCII(originCharset).get(),
aBaseURI, getter_AddRefs(absURI));
if (NS_FAILED(rv)) return rv;
return absURI->GetSpec(aResult);
}
nsIIOService* nsHTMLUtils::IOService;
nsICharsetConverterManager* nsHTMLUtils::CharsetMgr;
PRInt32 nsHTMLUtils::gRefCnt;
void
nsHTMLUtils::AddRef()
{
if (++gRefCnt == 1) {
nsServiceManager::GetService(kIOServiceCID, NS_GET_IID(nsIIOService),
NS_REINTERPRET_CAST(nsISupports**, &IOService));
nsServiceManager::GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID,
NS_GET_IID(nsICharsetConverterManager),
NS_REINTERPRET_CAST(nsISupports**, &CharsetMgr));
}
}
void
nsHTMLUtils::Release()
{
if (--gRefCnt == 0) {
nsServiceManager::ReleaseService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, CharsetMgr);
nsServiceManager::ReleaseService(kIOServiceCID, IOService);
}
}