Dogcows Code - chaz/openbox/blob - src/i18n.cc

   1 // i18n.cc for Openbox
   2 // Copyright (c) 2001 Sean 'Shaleh' Perry <shaleh@debian.org>
   3 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining a
   6 // copy of this software and associated documentation files (the "Software"),
   7 // to deal in the Software without restriction, including without limitation
   8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 // and/or sell copies of the Software, and to permit persons to whom the
  10 // Software is furnished to do so, subject to the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be included in
  13 // all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21 // DEALINGS IN THE SOFTWARE.
  22
  23 // stupid macros needed to access some functions in version 2 of the GNU C
  24 // library
  25 #ifndef   _GNU_SOURCE
  26 #define   _GNU_SOURCE
  27 #endif // _GNU_SOURCE
  28
  29 #ifdef    HAVE_CONFIG_H
  30 #  include "../config.h"
  31 #endif // HAVE_CONFIG_H
  32
  33 #include "i18n.h"
  34
  35 #include <X11/Xlocale.h>
  36
  37 #ifdef    HAVE_STDLIB_H
  38 #  include <stdlib.h>
  39 #endif // HAVE_STDLIB_H
  40
  41 #ifdef    HAVE_STRING_H
  42 #  include <string.h>
  43 #endif // HAVE_STRING_H
  44
  45 #ifdef    HAVE_STDIO_H
  46 #  include <stdio.h>
  47 #endif // HAVE_STDIO_H
  48
  49 #ifdef    HAVE_LOCALE_H
  50 #  include <locale.h>
  51 #endif // HAVE_LOCALE_H
  52
  53 // the rest of bb source uses True and False from X, so we continue that
  54 #define True true
  55 #define False false
  56
  57 static I18n static_i18n;
  58 I18n *i18n;
  59
  60 void NLSInit(const char *catalog) {
  61   i18n = &static_i18n;
  62
  63   i18n->openCatalog(catalog);
  64 }
  65
  66
  67 I18n::I18n(void) {
  68   mb = False;
  69 #ifdef    HAVE_SETLOCALE
  70   locale = setlocale(LC_ALL, "");
  71   if (! locale) {
  72     fprintf(stderr, "failed to set locale, reverting to \"C\"\n");
  73 #endif // HAVE_SETLOCALE
  74     locale = "C";
  75 #ifdef    HAVE_SETLOCALE
  76   } else {
  77     // MB_CUR_MAX returns the size of a char in the current locale
  78     if (MB_CUR_MAX > 1)
  79       mb = True;
  80     // truncate any encoding off the end of the locale
  81     char *l = strchr(locale, '@');
  82     if (l) *l = '\0';
  83     l = strchr(locale, '.');
  84     if (l) *l = '\0';
  85   }
  86
  87 #ifdef HAVE_CATOPEN
  88   catalog_fd = (nl_catd) -1;
  89 #endif
  90 #endif // HAVE_SETLOCALE
  91
  92   catalog_filename = (char *) 0;
  93 }
  94
  95
  96 I18n::~I18n(void) {
  97   delete [] catalog_filename;
  98
  99 #if defined(NLS) && defined(HAVE_CATCLOSE)
 100   if (catalog_fd != (nl_catd) -1)
 101     catclose(catalog_fd);
 102 #endif // HAVE_CATCLOSE
 103 }
 104
 105
 106 void I18n::openCatalog(const char *catalog) {
 107 #if defined(NLS) && defined(HAVE_CATOPEN)
 108   int lp = strlen(LOCALEPATH), lc = strlen(locale),
 109       ct = strlen(catalog), len = lp + lc + ct + 3;
 110   catalog_filename = new char[len];
 111
 112   strncpy(catalog_filename, LOCALEPATH, lp);
 113   *(catalog_filename + lp) = '/';
 114   strncpy(catalog_filename + lp + 1, locale, lc);
 115   *(catalog_filename + lp + lc + 1) = '/';
 116   strncpy(catalog_filename + lp + lc + 2, catalog, ct + 1);
 117
 118 #  ifdef    MCLoadBySet
 119   catalog_fd = catopen(catalog_filename, MCLoadBySet);
 120 #  else // !MCLoadBySet
 121   catalog_fd = catopen(catalog_filename, NL_CAT_LOCALE);
 122 #  endif // MCLoadBySet
 123
 124   if (catalog_fd == (nl_catd) -1)
 125     fprintf(stderr, "failed to open catalog, using default messages\n");
 126 #else // !HAVE_CATOPEN
 127
 128   catalog_filename = (char *) 0;
 129 #endif // HAVE_CATOPEN
 130 }
 131
 132
 133 const char *I18n::getMessage(int set, int msg, const char *msgString) const {
 134 #if   defined(NLS) && defined(HAVE_CATGETS)
 135   if (catalog_fd != (nl_catd) -1)
 136     return (const char *) catgets(catalog_fd, set, msg, msgString);
 137   else
 138 #endif
 139     return msgString;
 140 }