зеркало из https://github.com/mozilla/gecko-dev.git
340 строки
12 KiB
C++
340 строки
12 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsIServiceManager.h"
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#include "nsIPlatformCharset.h"
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#include "nsICharsetConverterManager.h"
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#include "nsIUnicodeEncoder.h"
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#include "nsIUnicodeDecoder.h"
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#include "nsIUnicodeEncoder.h"
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#include "nsIUnicodeDecoder.h"
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/* nsFileSpec stuff. put here untill it got obsoleted */
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#include "nsFileSpec.h"
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#ifdef XP_PC
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#include "nsLocalFileWin.h"
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#endif
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#ifdef XP_MAC
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#include "nsLocalFileMac.h"
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#endif
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#if defined(XP_UNIX) || defined(XP_BEOS)
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#include "nsLocalFileUnix.h"
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#endif
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#include "nsString.h"
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#include "nsCOMPtr.h"
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class nsFSStringConversion {
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public:
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nsFSStringConversion();
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virtual ~nsFSStringConversion(){};
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NS_IMETHOD UCSToNewFS( const PRUnichar* aIn, char** aOut);
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NS_IMETHOD FSToNewUCS( const char* aIn, PRUnichar** aOut);
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private:
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NS_IMETHOD PrepareFSCharset();
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NS_IMETHOD PrepareEncoder();
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NS_IMETHOD PrepareDecoder();
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nsAutoString mFSCharset;
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nsCOMPtr<nsIUnicodeEncoder> mEncoder;
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nsCOMPtr<nsIUnicodeDecoder> mDecoder;
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};
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#define GET_UCS( func , arg) \
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{ \
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char* tmp; \
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nsresult res; \
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if(NS_SUCCEEDED(res = (func)(&tmp))) { \
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if(NS_SUCCEEDED(res = gConverter.FSToNewUCS(tmp, (arg)))){ \
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nsAllocator::Free(tmp); \
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} \
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} \
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return res; \
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}
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#define VOID_SET_UCS( func , arg, assertion_msg) \
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{ \
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char* tmp; \
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nsresult res; \
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if(NS_SUCCEEDED(res = gConverter.UCSToNewFS((arg), &tmp))) { \
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(func)(tmp); \
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nsAllocator::Free(tmp); \
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} \
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NS_ASSERTION(NS_SUCCEEDED(res), assertion_msg); \
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}
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#define SET_UCS( func , arg) \
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{ \
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char* tmp; \
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nsresult res; \
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if(NS_SUCCEEDED(res = gConverter.UCSToNewFS((arg), &tmp))) { \
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res = (func)(tmp); \
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nsAllocator::Free(tmp); \
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} \
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return res; \
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}
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#define SET_UCS_2ARGS_2( func , arg1, arg2) \
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{ \
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char* tmp; \
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nsresult res; \
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if(NS_SUCCEEDED(res = gConverter.UCSToNewFS((arg2), &tmp))){ \
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res = (func)(arg1, tmp); \
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nsAllocator::Free(tmp); \
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} \
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return res; \
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}
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#define SET_UCS_2ARGS_1( func , arg1, arg2) \
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{ \
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char* tmp; \
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nsresult res; \
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if(NS_SUCCEEDED(res = gConverter.UCSToNewFS((arg1), &tmp))){ \
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res = (func)(tmp, arg2); \
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nsAllocator::Free(tmp); \
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} \
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return res; \
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}
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nsFSStringConversion gConverter;
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nsFSStringConversion::nsFSStringConversion()
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{
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mEncoder = nsnull;
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mDecoder = nsnull;
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}
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NS_IMETHODIMP
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nsFSStringConversion::PrepareFSCharset()
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{
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nsresult res = NS_OK;
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if(mFSCharset.Length() == 0)
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{
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// lazy eval of the file system charset
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NS_WITH_SERVICE(nsIPlatformCharset, pcharset, NS_PLATFORMCHARSET_PROGID, &res);
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NS_ASSERTION((NS_SUCCEEDED(res) && pcharset), "cannot get platform charset");
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if(NS_SUCCEEDED(res) && pcharset) {
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res = pcharset->GetCharset(kPlatformCharsetSel_FileName, mFSCharset);
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}
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}
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return res;
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}
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NS_IMETHODIMP
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nsFSStringConversion::PrepareEncoder()
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{
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nsresult res = NS_OK;
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if(! mEncoder)
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{
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res = PrepareFSCharset();
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if(NS_SUCCEEDED(res)) {
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NS_WITH_SERVICE(nsICharsetConverterManager,
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ucmgr, NS_CHARSETCONVERTERMANAGER_PROGID, &res);
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NS_ASSERTION((NS_SUCCEEDED(res) && ucmgr),
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"cannot get charset converter manager ");
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if(NS_SUCCEEDED(res) && ucmgr)
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res = ucmgr->GetUnicodeEncoder( &mFSCharset, getter_AddRefs(mEncoder));
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NS_ASSERTION((NS_SUCCEEDED(res) && mEncoder),
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"cannot find the unicode encoder");
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}
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}
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return res;
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}
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NS_IMETHODIMP
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nsFSStringConversion::PrepareDecoder()
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{
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nsresult res = NS_OK;
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if(! mDecoder)
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{
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res = PrepareFSCharset();
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if(NS_SUCCEEDED(res)) {
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NS_WITH_SERVICE(nsICharsetConverterManager,
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ucmgr, NS_CHARSETCONVERTERMANAGER_PROGID, &res);
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NS_ASSERTION((NS_SUCCEEDED(res) && ucmgr),
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"cannot get charset converter manager ");
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if(NS_SUCCEEDED(res) && ucmgr)
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res = ucmgr->GetUnicodeDecoder( &mFSCharset, getter_AddRefs(mDecoder));
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NS_ASSERTION((NS_SUCCEEDED(res) && mDecoder),
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"cannot find the unicode decoder");
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}
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}
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return res;
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}
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NS_IMETHODIMP
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nsFSStringConversion::UCSToNewFS( const PRUnichar* aIn, char** aOut)
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{
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nsresult res = PrepareEncoder();
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if(NS_SUCCEEDED(res))
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{
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PRInt32 inLength = nsCRT::strlen(aIn);
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PRInt32 outLength;
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res= mEncoder->GetMaxLength(aIn, inLength,&outLength);
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if(NS_SUCCEEDED(res)) {
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*aOut = (char*)nsAllocator::Alloc(outLength+1);
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if(nsnull != aOut) {
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res = mEncoder->Convert(aIn, &inLength, *aOut, &outLength);
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if(NS_SUCCEEDED(res)) {
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(*aOut)[outLength] = '\0';
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} else {
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nsAllocator::Free(*aOut);
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aOut = nsnull;
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}
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} else {
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res = NS_ERROR_OUT_OF_MEMORY;
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}
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}
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}
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return res;
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}
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NS_IMETHODIMP
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nsFSStringConversion::FSToNewUCS( const char* aIn, PRUnichar** aOut)
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{
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nsresult res = PrepareDecoder();
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if(NS_SUCCEEDED(res))
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{
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PRInt32 inLength = nsCRT::strlen(aIn);
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PRInt32 outLength;
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res= mDecoder->GetMaxLength(aIn, inLength,&outLength);
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if(NS_SUCCEEDED(res)) {
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*aOut = (PRUnichar*)nsAllocator::Alloc(2*(outLength+1));
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if(nsnull != aOut) {
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res = mDecoder->Convert(aIn, &inLength, *aOut, &outLength);
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if(NS_SUCCEEDED(res)) {
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(*aOut)[outLength] = '\0';
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} else {
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nsAllocator::Free(*aOut);
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aOut = nsnull;
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}
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} else {
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res = NS_ERROR_OUT_OF_MEMORY;
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}
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}
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}
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return res;
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}
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// Unicode interface Wrapper
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NS_IMETHODIMP
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nsLocalFile::InitWithUnicodePath(const PRUnichar *filePath)
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{
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SET_UCS(InitWithPath, filePath);
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}
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NS_IMETHODIMP
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nsLocalFile::AppendUnicode(const PRUnichar *node)
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{
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SET_UCS( Append , node);
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}
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NS_IMETHODIMP
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nsLocalFile::GetUnicodeLeafName(PRUnichar **aLeafName)
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{
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GET_UCS(GetLeafName, aLeafName);
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}
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NS_IMETHODIMP
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nsLocalFile::SetUnicodeLeafName(const PRUnichar * aLeafName)
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{
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SET_UCS( SetLeafName , aLeafName);
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}
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NS_IMETHODIMP
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nsLocalFile::GetUnicodePath(PRUnichar **_retval)
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{
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GET_UCS(GetPath, _retval);
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}
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NS_IMETHODIMP
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nsLocalFile::CopyToUnicode(nsIFile *newParentDir, const PRUnichar *newName)
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{
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SET_UCS_2ARGS_2( CopyTo , newParentDir, newName);
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}
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NS_IMETHODIMP
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nsLocalFile::CopyToFollowingLinksUnicode(nsIFile *newParentDir, const PRUnichar *newName)
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{
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SET_UCS_2ARGS_2( CopyToFollowingLinks , newParentDir, newName);
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}
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NS_IMETHODIMP
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nsLocalFile::MoveToUnicode(nsIFile *newParentDir, const PRUnichar *newName)
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{
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SET_UCS_2ARGS_2( MoveTo , newParentDir, newName);
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}
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NS_IMETHODIMP
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nsLocalFile::GetUnicodeTarget(PRUnichar **_retval)
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{
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GET_UCS(GetTarget, _retval);
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}
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nsresult
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NS_NewUnicodeLocalFile(const PRUnichar* path, nsILocalFile* *result)
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{
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SET_UCS_2ARGS_1( NS_NewLocalFile , path, result)
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}
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// ==================================================================
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// nsFileSpec stuff . put here untill nsFileSpec get obsoleted
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// ==================================================================
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void nsFileSpec::operator = (const nsString& inNativePath)
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{
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char* tmp;
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nsresult res;
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if(NS_SUCCEEDED(res = gConverter.UCSToNewFS((inNativePath.GetUnicode()), &tmp))) {
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*this = tmp;
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nsAllocator::Free(tmp);
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}
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mError = res;
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NS_ASSERTION(NS_SUCCEEDED(res), "nsFileSpec = filed");
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}
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nsFileSpec nsFileSpec::operator + (const nsString& inRelativeUnixPath) const
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{
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nsFileSpec resultSpec;
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char* tmp;
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nsresult res;
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if(NS_SUCCEEDED(res = gConverter.UCSToNewFS((inRelativeUnixPath.GetUnicode()), &tmp))) {
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resultSpec = *this;
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resultSpec += tmp;
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nsAllocator::Free(tmp);
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}
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NS_ASSERTION(NS_SUCCEEDED(res), "nsFileSpec + filed");
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return resultSpec;
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}
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void nsFileSpec::operator += (const nsString& inRelativeUnixPath)
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{
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char* tmp;
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nsresult res;
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if(NS_SUCCEEDED(res = gConverter.UCSToNewFS((inRelativeUnixPath.GetUnicode()), &tmp))) {
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*this += tmp;
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nsAllocator::Free(tmp);
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}
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mError = res;
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NS_ASSERTION(NS_SUCCEEDED(res), "nsFileSpec + filed");
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}
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void nsFileSpec::SetLeafName (const nsString& inLeafName)
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{
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VOID_SET_UCS( SetLeafName , inLeafName.GetUnicode(),"nsFileSpec::SetLeafName failed");
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}
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void nsFileSpec::MakeUnique(const nsString& inSuggestedLeafName)
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{
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VOID_SET_UCS( MakeUnique,inSuggestedLeafName.GetUnicode(),"nsFileSpec::MakeUnique failed");
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}
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nsresult nsFileSpec::Rename(const nsString& inNewName)
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{
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SET_UCS( Rename , inNewName.GetUnicode());
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}
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nsresult nsFileSpec::Execute(const nsString& args) const
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{
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SET_UCS( Execute , args.GetUnicode());
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}
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