/* -*- 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): * Pierre Phaneuf * * * 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 ***** */ // Utility that converts file encoded in one charset codepage to // another encoding #include "nscore.h" #include "nsString.h" #include "nsIServiceManager.h" #include "nsICharsetConverterManager.h" #include "nsIUnicodeEncoder.h" #include "nsIUnicodeDecoder.h" #include "nsICharsetAlias.h" static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID); static NS_DEFINE_IID(kICharsetConverterManagerIID, NS_ICHARSETCONVERTERMANAGER_IID); #include #include #include void usage() { printf( "nsconv -f fromcode -t tocode infile outfile\n" "nsconv -f fromcode -t tocode infile > outfile\n" "nsconv -f fromcode -t tocode < infile > outfile\n" ); } #define INBUFSIZE (1024*16) #define MEDBUFSIZE (1024*16*2) #define OUTBUFSIZE (1024*16*8) char inbuffer[INBUFSIZE]; char outbuffer[OUTBUFSIZE]; PRUnichar medbuffer[MEDBUFSIZE]; int main(int argc, const char** argv) { nsIUnicodeEncoder* encoder = nsnull; nsIUnicodeDecoder* decoder = nsnull; FILE* fin = 0; FILE* fout = 0; FILE* infile = 0; FILE* outfile = 0; nsresult res= NS_OK; nsICharsetConverterManager* ccMain=nsnull; nsICharsetAlias* aliasmgr = nsnull; // get ccMain; res = nsServiceManager::GetService(kCharsetConverterManagerCID, kICharsetConverterManagerIID, (nsISupports**) &ccMain); if(NS_FAILED(res)) { fprintf(stderr, "Cannot get Character Converter Manager %x\n", res); return -1; } // Get the charset alias manager res = nsServiceManager::GetService(NS_CHARSETALIAS_CONTRACTID, NS_GET_IID(nsICharsetAlias), (nsISupports**) &aliasmgr); if (NS_FAILED(res)) { fprintf(stderr, "Cannot get Charset Alias Manager %x\n", res); nsServiceManager::ReleaseService(kCharsetConverterManagerCID, ccMain); return -1; } int i; if(argc > 4) { for(i =0; i < argc; i++) { if(strcmp(argv[i], "-f") == 0) { // User has specified the charset to convert from nsAutoString str; // First check if a charset alias was given, // and convert to the canonical name res = aliasmgr->GetPreferred(NS_ConvertASCIItoUCS2(argv[i+1]), str); if (NS_FAILED(res)) { fprintf(stderr, "Cannot get charset alias for %s %x\n", argv[i+1], res); goto error_exit; } // Finally create the decoder res = ccMain->GetUnicodeDecoder(&str, &decoder); if(NS_FAILED(res)) { fprintf(stderr, "Cannot get Unicode decoder %s %x\n", argv[i+1],res); goto error_exit; } } if(strcmp(argv[i], "-t") == 0) { // User has specified which charset to convert to nsAutoString str; // First check if a charset alias was given, // and convert to the canonical name res = aliasmgr->GetPreferred(NS_ConvertASCIItoUCS2(argv[i+1]), str); if (NS_FAILED(res)) { fprintf(stderr, "Cannot get charset alias for %s %x\n", argv[i+1], res); goto error_exit; } // Finally create the encoder res = ccMain->GetUnicodeEncoder(&str, &encoder); if(NS_FAILED(res)) { fprintf(stderr, "Cannot get Unicode encoder %s %x\n", argv[i+1],res); goto error_exit; } } } if (argc > 5) { // The user has specified an input file // if we have more than four arguments fin = infile = fopen(argv[5], "rb"); if(NULL == infile) { usage(); fprintf(stderr,"cannot open input file %s\n", argv[5]); goto error_exit; } if (argc > 6) { // The user has specified an output file // if we have more than four arguments fout = outfile = fopen(argv[6], "ab"); if(NULL == outfile) { usage(); fprintf(stderr,"cannot open output file %s\n", argv[6]); goto error_exit; } } else fout = stdout; } else { // No inputfiles are given. Read and write // to/from standard in and standard out fin = stdin; fout = stdout; } PRInt32 insize,medsize,outsize; while((insize=fread(inbuffer, 1,INBUFSIZE, fin)) > 0) { medsize=MEDBUFSIZE; res = decoder->Convert(inbuffer,&insize, medbuffer, &medsize); if(NS_FAILED(res)) { fprintf(stderr, "failed in decoder->Convert %x\n",res); goto error_exit; } outsize = OUTBUFSIZE; res = encoder->Convert(medbuffer, &medsize, outbuffer,&outsize); if(NS_FAILED(res)) { fprintf(stderr, "failed in encoder->Convert %x\n",res); goto error_exit; } fwrite(outbuffer, 1, outsize, fout); } // Clean up if (infile != 0) fclose(infile); if (outfile != 0) fclose(outfile); fprintf(stderr, "Done!\n"); NS_IF_RELEASE(encoder); NS_IF_RELEASE(decoder); nsServiceManager::ReleaseService(kCharsetConverterManagerCID, ccMain); nsServiceManager::ReleaseService(NS_CHARSETALIAS_CONTRACTID, aliasmgr); return 0; } usage(); error_exit: // Clean up after if (infile != 0) fclose(infile); if (outfile != 0) fclose(outfile); NS_IF_RELEASE(encoder); NS_IF_RELEASE(decoder); nsServiceManager::ReleaseService(kCharsetConverterManagerCID, ccMain); nsServiceManager::ReleaseService(NS_CHARSETALIAS_CONTRACTID, aliasmgr); return -1; }