rtgui/multilangmgr.cc

   1 /*
   2  *  This file is part of RawTherapee.
   3  *
   4  *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
   5  *
   6  *  RawTherapee is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  RawTherapee is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #include <glib/gstdio.h>
  20 #include <multilangmgr.h>
  21 #include <string.h>
  22
  23 MultiLangMgr langMgr;
  24
  25 Glib::ustring M (std::string key) { return langMgr.getStr (key); }
  26
  27 bool MultiLangMgr::load (Glib::ustring fname, MultiLangMgr* fb) {
  28
  29     fallBack = fb;
  30
  31     FILE *f = g_fopen (fname.c_str(), "rt");
  32
  33     if (f==NULL)
  34         return false;
  35
  36     transTable.clear ();
  37
  38     char* buffer = new char[2048];
  39
  40     while (buffer = fgets (buffer, 2048, f)) {
  41         // find separator
  42         int seppos = 0;
  43         while (buffer[seppos]!=0 && buffer[seppos]!=';')
  44             seppos++;
  45         // no separator found
  46         if (buffer[seppos]==0)
  47             continue;
  48         // cut the last \n and \r characters
  49         int endpos = strlen(buffer)-1;
  50         while (buffer[endpos]=='\n' || buffer[endpos]=='\r')
  51             endpos--;
  52         buffer[endpos+1] = 0;
  53         // replace "\n" to '\n'
  54         int j = 0;
  55         for (int i=0; i<endpos+1; i++)
  56             if (i<endpos && buffer[i]=='\\' && buffer[i+1]=='n') {
  57                 buffer[j++] = '\n';
  58                 i++;
  59             }
  60             else
  61                 buffer[j++] = buffer[i];
  62         buffer[j] = 0;
  63         // cut to two parts
  64         buffer[seppos] = 0;
  65         transTable[buffer] = buffer + seppos + 1;
  66     }
  67
  68     fclose (f);
  69     delete [] buffer;
  70     return true;
  71 }
  72
  73 bool MultiLangMgr::save (Glib::ustring fname) {
  74
  75     FILE *f = g_fopen (fname.c_str(), "wt");
  76
  77     if (f==NULL)
  78         return false;
  79
  80     std::map<std::string, Glib::ustring>::iterator r;
  81     for (r=transTable.begin (); r!=transTable.end(); r++)
  82         fprintf (f, "%s;%s\n", r->first.c_str(), Glib::locale_from_utf8(r->second).c_str());
  83
  84     fclose (f);
  85     return true;
  86 }
  87
  88 Glib::ustring MultiLangMgr::getStr (std::string key) {
  89
  90     std::map<std::string, Glib::ustring>::iterator r = transTable.find (key);
  91     if (r!=transTable.end())
  92         return r->second;
  93     else if (fallBack)
  94         return fallBack->getStr (key);
  95     else
  96         return "";
  97 }