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 3 of the License, or
8 * (at your option) 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, see <http://www.gnu.org/licenses/>.
17 */
18
19/*
20 * This program creates a .resources file from a set of key/value pairs given
21 * on standard input.
22 */
23
24using System; /* String, Console, Exception */
25using System.IO; /* Stream, BufferedStream, StreamReader */
26using System.Text; /* StringBuilder, UTF8Encoding */
27using System.Resources; /* ResourceWriter */
28
29namespace GNU.Gettext {
30  public class WriteResource {
31    private StreamReader reader;
32    // Read a NUL-terminated UTF-8 encoded string.
33    private String ReadString () {
34      StringBuilder b = new StringBuilder();
35      for (;;) {
36        int c = reader.Read();
37        if (c < 0) // EOF?
38          return null;
39        if (c == 0) // End of String?
40          break;
41        b.Append((char)c);
42      }
43      return b.ToString();
44    }
45    // Read all msgid/msgstr pairs, register them in the ResourceWriter,
46    // and write the binary contents to the output stream.
47    private void ReadAllInput (ResourceWriter rw) {
48      for (;;) {
49        String msgid = ReadString();
50        if (msgid == null)
51          break;
52        String msgstr = ReadString();
53        if (msgstr == null)
54          break;
55        rw.AddResource(msgid, msgstr);
56      }
57      rw.Generate();
58    }
59    // Read all msgid/msgstr pairs (each string being NUL-terminated and
60    // UTF-8 encoded) and write the .resources file to the given filename.
61    WriteResource (String filename) {
62      Stream input = new BufferedStream(Console.OpenStandardInput());
63      reader = new StreamReader(input, new UTF8Encoding());
64      if (filename.Equals("-")) {
65        BufferedStream output = new BufferedStream(Console.OpenStandardOutput());
66        // A temporary output stream is needed because ResourceWriter.Generate
67        // expects to be able to seek in the Stream.
68        MemoryStream tmpoutput = new MemoryStream();
69        ResourceWriter rw = new ResourceWriter(tmpoutput);
70        ReadAllInput(rw);
71#if __CSCC__
72        // Use the ResourceReader to check against pnet-0.6.0 ResourceWriter
73        // bug.
74        try {
75          ResourceReader rr = new ResourceReader(new MemoryStream(tmpoutput.ToArray()));
76          foreach (System.Collections.DictionaryEntry entry in rr);
77        } catch (IOException e) {
78          throw new Exception("class ResourceWriter is buggy", e);
79        }
80#endif
81        tmpoutput.WriteTo(output);
82        rw.Close();
83        output.Close();
84      } else {
85#if __CSCC__
86        MemoryStream tmpoutput = new MemoryStream();
87        ResourceWriter rw = new ResourceWriter(tmpoutput);
88        ReadAllInput(rw);
89        // Use the ResourceReader to check against pnet-0.6.0 ResourceWriter
90        // bug.
91        try {
92          ResourceReader rr = new ResourceReader(new MemoryStream(tmpoutput.ToArray()));
93          foreach (System.Collections.DictionaryEntry entry in rr);
94        } catch (IOException e) {
95          throw new Exception("class ResourceWriter is buggy", e);
96        }
97        BufferedStream output = new BufferedStream(new FileStream(filename, FileMode.Create, FileAccess.Write));
98        tmpoutput.WriteTo(output);
99        rw.Close();
100        output.Close();
101#else
102        ResourceWriter rw = new ResourceWriter(filename);
103        ReadAllInput(rw);
104        rw.Close();
105#endif
106      }
107    }
108    public static int Main (String[] args) {
109      try {
110        new WriteResource(args[0]);
111      } catch (Exception e) {
112        Console.Error.WriteLine(e);
113        Console.Error.WriteLine(e.StackTrace);
114        return 1;
115      }
116      return 0;
117    }
118  }
119}
120