gnu/dist/gettext/gettext-tools/src/msgfmt.cs

   1 /* GNU gettext for C#
   2  * Copyright (C) 2003 Free Software Foundation, Inc.
   3  * Written by Bruno Haible <bruno@clisp.org>, 2003.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software Foundation,
  17  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * This program creates a .resources file from a set of key/value pairs given
  22  * on standard input.
  23  */
  24
  25 using System; /* String, Console, Exception */
  26 using System.IO; /* Stream, BufferedStream, StreamReader */
  27 using System.Text; /* StringBuilder, UTF8Encoding */
  28 using System.Resources; /* ResourceWriter */
  29
  30 namespace GNU.Gettext {
  31   public class WriteResource {
  32     private StreamReader reader;
  33     // Read a NUL-terminated UTF-8 encoded string.
  34     private String ReadString () {
  35       StringBuilder b = new StringBuilder();
  36       for (;;) {
  37         int c = reader.Read();
  38         if (c < 0) // EOF?
  39           return null;
  40         if (c == 0) // End of String?
  41           break;
  42         b.Append((char)c);
  43       }
  44       return b.ToString();
  45     }
  46     // Read all msgid/msgstr pairs, register them in the ResourceWriter,
  47     // and write the binary contents to the output stream.
  48     private void ReadAllInput (ResourceWriter rw) {
  49       for (;;) {
  50         String msgid = ReadString();
  51         if (msgid == null)
  52           break;
  53         String msgstr = ReadString();
  54         if (msgstr == null)
  55           break;
  56         rw.AddResource(msgid, msgstr);
  57       }
  58       rw.Generate();
  59     }
  60     // Read all msgid/msgstr pairs (each string being NUL-terminated and
  61     // UTF-8 encoded) and write the .resources file to the given filename.
  62     WriteResource (String filename) {
  63       Stream input = new BufferedStream(Console.OpenStandardInput());
  64       reader = new StreamReader(input, new UTF8Encoding());
  65       if (filename.Equals("-")) {
  66         BufferedStream output = new BufferedStream(Console.OpenStandardOutput());
  67         // A temporary output stream is needed because ResourceWriter.Generate
  68         // expects to be able to seek in the Stream.
  69         MemoryStream tmpoutput = new MemoryStream();
  70         ResourceWriter rw = new ResourceWriter(tmpoutput);
  71         ReadAllInput(rw);
  72 #if __CSCC__
  73         // Use the ResourceReader to check against pnet-0.6.0 ResourceWriter
  74         // bug.
  75         try {
  76           ResourceReader rr = new ResourceReader(new MemoryStream(tmpoutput.ToArray()));
  77           foreach (System.Collections.DictionaryEntry entry in rr);
  78         } catch (IOException e) {
  79           throw new Exception("class ResourceWriter is buggy", e);
  80         }
  81 #endif
  82         tmpoutput.WriteTo(output);
  83         rw.Close();
  84         output.Close();
  85       } else {
  86 #if __CSCC__
  87         MemoryStream tmpoutput = new MemoryStream();
  88         ResourceWriter rw = new ResourceWriter(tmpoutput);
  89         ReadAllInput(rw);
  90         // Use the ResourceReader to check against pnet-0.6.0 ResourceWriter
  91         // bug.
  92         try {
  93           ResourceReader rr = new ResourceReader(new MemoryStream(tmpoutput.ToArray()));
  94           foreach (System.Collections.DictionaryEntry entry in rr);
  95         } catch (IOException e) {
  96           throw new Exception("class ResourceWriter is buggy", e);
  97         }
  98         BufferedStream output = new BufferedStream(new FileStream(filename, FileMode.Create, FileAccess.Write));
  99         tmpoutput.WriteTo(output);
 100         rw.Close();
 101         output.Close();
 102 #else
 103         ResourceWriter rw = new ResourceWriter(filename);
 104         ReadAllInput(rw);
 105         rw.Close();
 106 #endif
 107       }
 108     }
 109     public static int Main (String[] args) {
 110       try {
 111         new WriteResource(args[0]);
 112       } catch (Exception e) {
 113         Console.Error.WriteLine(e);
 114         Console.Error.WriteLine(e.StackTrace);
 115         return 1;
 116       }
 117       return 0;
 118     }
 119   }
 120 }