mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-14 03:30:17 +01:00
233 lines
6.7 KiB
C++
233 lines
6.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// Utility that converts file encoded in one charset codepage to
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// another encoding
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#include "nscore.h"
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#include "nsString.h"
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#include "nsIServiceManager.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 "nsICharsetAlias.h"
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static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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void usage()
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{
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printf(
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"nsconv -f fromcode -t tocode infile outfile\n"
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"nsconv -f fromcode -t tocode infile > outfile\n"
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"nsconv -f fromcode -t tocode < infile > outfile\n"
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);
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}
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#define INBUFSIZE (1024*16)
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#define MEDBUFSIZE (1024*16*2)
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#define OUTBUFSIZE (1024*16*8)
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char inbuffer[INBUFSIZE];
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char outbuffer[OUTBUFSIZE];
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PRUnichar medbuffer[MEDBUFSIZE];
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int main(int argc, const char** argv)
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{
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nsIUnicodeEncoder* encoder = nsnull;
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nsIUnicodeDecoder* decoder = nsnull;
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FILE* fin = 0;
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FILE* fout = 0;
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FILE* infile = 0;
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FILE* outfile = 0;
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nsresult res= NS_OK;
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NS_InitXPCOM2(nsnull, nsnull, nsnull);
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// get ccMain;
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nsCOMPtr<nsICharsetConverterManager> ccMain =
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do_GetService(kCharsetConverterManagerCID, &res);
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if(NS_FAILED(res))
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{
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fprintf(stderr, "Cannot get Character Converter Manager %x\n", res);
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return -1;
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}
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// Get the charset alias manager
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nsCOMPtr<nsICharsetAlias> aliasmgr =
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do_GetService(NS_CHARSETALIAS_CONTRACTID, &res);
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if (NS_FAILED(res))
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{
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fprintf(stderr, "Cannot get Charset Alias Manager %x\n", res);
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return -1;
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}
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int i;
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if(argc > 4)
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{
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for(i =0; i < argc; i++)
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{
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if(strcmp(argv[i], "-f") == 0)
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{
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// User has specified the charset to convert from
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nsCAutoString str;
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// First check if a charset alias was given,
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// and convert to the canonical name
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res = aliasmgr->GetPreferred(nsDependentCString(argv[i+1]), str);
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if (NS_FAILED(res))
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{
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fprintf(stderr, "Cannot get charset alias for %s %x\n",
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argv[i+1], res);
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goto error_exit;
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}
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// Finally create the decoder
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res = ccMain->GetUnicodeDecoder(str.get(), &decoder);
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if(NS_FAILED(res)) {
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fprintf(stderr, "Cannot get Unicode decoder %s %x\n",
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argv[i+1],res);
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goto error_exit;
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}
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}
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if(strcmp(argv[i], "-t") == 0)
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{
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// User has specified which charset to convert to
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nsCAutoString str;
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// First check if a charset alias was given,
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// and convert to the canonical name
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res = aliasmgr->GetPreferred(nsDependentCString(argv[i+1]), str);
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if (NS_FAILED(res))
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{
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fprintf(stderr, "Cannot get charset alias for %s %x\n",
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argv[i+1], res);
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goto error_exit;
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}
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// Finally create the encoder
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res = ccMain->GetUnicodeEncoderRaw(str.get(), &encoder);
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if(NS_FAILED(res)) {
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fprintf(stderr, "Cannot get Unicode encoder %s %x\n",
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argv[i+1],res);
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goto error_exit;
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}
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}
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}
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if (argc > 5)
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{
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// The user has specified an input file
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// if we have more than four arguments
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fin = infile = fopen(argv[5], "rb");
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if(NULL == infile)
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{
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usage();
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fprintf(stderr,"cannot open input file %s\n", argv[5]);
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goto error_exit;
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}
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if (argc > 6)
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{
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// The user has specified an output file
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// if we have more than four arguments
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fout = outfile = fopen(argv[6], "ab");
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if(NULL == outfile)
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{
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usage();
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fprintf(stderr,"cannot open output file %s\n", argv[6]);
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goto error_exit;
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}
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}
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else
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fout = stdout;
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}
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else
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{
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// No inputfiles are given. Read and write
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// to/from standard in and standard out
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fin = stdin;
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fout = stdout;
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}
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PRInt32 insize,medsize,outsize;
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while((insize=fread(inbuffer, 1,INBUFSIZE, fin)) > 0)
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{
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medsize=MEDBUFSIZE;
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res = decoder->Convert(inbuffer,&insize, medbuffer, &medsize);
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if(NS_FAILED(res)) {
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fprintf(stderr, "failed in decoder->Convert %x\n",res);
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goto error_exit;
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}
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outsize = OUTBUFSIZE;
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res = encoder->Convert(medbuffer, &medsize, outbuffer,&outsize);
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if(NS_FAILED(res)) {
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fprintf(stderr, "failed in encoder->Convert %x\n",res);
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goto error_exit;
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}
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fwrite(outbuffer, 1, outsize, fout);
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}
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// Clean up
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if (infile != 0)
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fclose(infile);
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if (outfile != 0)
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fclose(outfile);
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fprintf(stderr, "Done!\n");
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NS_IF_RELEASE(encoder);
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NS_IF_RELEASE(decoder);
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return 0;
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}
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usage();
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error_exit:
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// Clean up after
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if (infile != 0)
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fclose(infile);
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if (outfile != 0)
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fclose(outfile);
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NS_IF_RELEASE(encoder);
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NS_IF_RELEASE(decoder);
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return -1;
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}
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