The Tor Browser: intl/uconv/tests/nsconv.cpp@b8a032363ba2 (annotated)

intl/uconv/tests/nsconv.cpp@b8a032363ba2 (annotated)

intl/uconv/tests/nsconv.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 // 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"
 static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 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];
 char16_t  medbuffer[MEDBUFSIZE];
 int main(int argc, const char** argv)
 {
   nsIUnicodeEncoder* encoder = nullptr;
   nsIUnicodeDecoder* decoder = nullptr;
   FILE* fin = 0;
   FILE* fout = 0;
   FILE* infile = 0;
   FILE* outfile = 0;
   nsresult res= NS_OK;
   NS_InitXPCOM2(nullptr, nullptr, nullptr);
   // get ccMain;
   nsCOMPtr<nsICharsetConverterManager> ccMain =
       do_GetService(kCharsetConverterManagerCID, &res);
   if(NS_FAILED(res))
   {
     fprintf(stderr, "Cannot get Character Converter Manager %x\n", res);
     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
         nsAutoCString str;
         // First check if a charset alias was given,
         // and convert to the canonical name
         res = ccMain->GetCharsetAlias(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.get(), &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
         nsAutoCString str;
         // First check if a charset alias was given,
         // and convert to the canonical name
         res = ccMain->GetCharsetAlias(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->GetUnicodeEncoderRaw(str.get(), &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(!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(!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;
     }
     int32_t 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);
     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);
   return -1;
 }

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intl/uconv/tests/nsconv.cpp@b8a032363ba2 (annotated)

intl/uconv/tests/nsconv.cpp