.:F L U X B O X:. - Developer Zone

00001 // I18n.hh for Fluxbox Window Manager
00002 // Copyright (c) 2001 - 2003 Henrik Kinnunen (fluxgen(at)users.sourceforge.net)
00003 //
00004 // I18n.cc for Blackbox - an X11 Window manager
00005 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
00006 //
00007 // Permission is hereby granted, free of charge, to any person obtaining a
00008 // copy of this software and associated documentation files (the "Software"),
00009 // to deal in the Software without restriction, including without limitation
00010 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
00011 // and/or sell copies of the Software, and to permit persons to whom the
00012 // Software is furnished to do so, subject to the following conditions:
00013 //
00014 // The above copyright notice and this permission notice shall be included in
00015 // all copies or substantial portions of the Software.
00016 //
00017 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00018 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00019 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
00020 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00021 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00022 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00023 // DEALINGS IN THE SOFTWARE.
00024 
00025 // $Id: I18n.cc,v 1.5 2004/01/06 13:42:47 grubert Exp $
00026 
00027 //usr GNU extensions
00028 #ifndef  _GNU_SOURCE
00029 #define  _GNU_SOURCE
00030 #endif // _GNU_SOURCE
00031 
00032 #include "I18n.hh"
00033 
00034 #include <X11/Xlocale.h>
00035 
00036 #include <cstdlib>
00037 #include <cstring>
00038 #include <cstdio>
00039 
00040 #include <iostream>
00041 
00042 #include "defaults.hh"
00043 
00044 using std::cerr;
00045 using std::endl;
00046 using std::string;
00047 
00048 void NLSInit(const char *catalog) {
00049     I18n *i18n = I18n::instance();
00050     i18n->openCatalog(catalog);
00051 }
00052 
00053 
00054 I18n::I18n():m_multibyte(false), m_catalog_fd((nl_catd)(-1)) {
00055 #ifdef  HAVE_SETLOCALE
00056     //make sure we don't get 0 to m_locale string
00057     char *temp = setlocale(LC_ALL, "");
00058     m_locale = ( temp ?  temp : ""); 
00059     if (m_locale.size() == 0) {
00060         cerr<<"Warning: Failed to set locale, reverting to \"C\""<<endl;
00061 #endif // HAVE_SETLOCALE
00062 
00063         m_locale = "C";
00064 
00065 #ifdef  HAVE_SETLOCALE
00066 
00067     } else {        
00068         // MB_CUR_MAX returns the size of a char in the current locale
00069         if (MB_CUR_MAX > 1)
00070             m_multibyte = true;
00071         
00072         // truncate any encoding off the end of the locale
00073                 
00074         // remove everything after @
00075         string::size_type index = m_locale.find('@');
00076         if (index != string::npos)
00077             m_locale.erase(index); //erase all characters starting at index                 
00078         // remove everything after .        
00079         index = m_locale.find('.');
00080         if (index != string::npos) 
00081             m_locale.erase(index); //erase all characters starting at index 
00082         // remove everything before =       
00083         index = m_locale.find('=');
00084         if (index != string::npos) 
00085             m_locale.erase(0,index+1); //erase all characters starting up to index 
00086     }
00087 #endif // HAVE_SETLOCALE
00088 }
00089 
00090 
00091 I18n::~I18n() {
00092 
00093 #if defined(NLS) && defined(HAVE_CATCLOSE)
00094     if (m_catalog_fd != (nl_catd)-1)
00095         catclose(m_catalog_fd);
00096 #endif // HAVE_CATCLOSE
00097 }
00098 
00099 I18n *I18n::instance() {
00100     static I18n singleton; //singleton object
00101     return &singleton;
00102 }
00103 
00104 void I18n::openCatalog(const char *catalog) {
00105 #if defined(NLS) && defined(HAVE_CATOPEN)
00106     
00107     string catalog_filename = LOCALEPATH;
00108     catalog_filename += '/';
00109     catalog_filename += m_locale;
00110     catalog_filename += '/';
00111     catalog_filename += catalog;
00112 
00113 #ifdef MCLoadBySet
00114     m_catalog_fd = catopen(catalog_filename.c_str(), MCLoadBySet);
00115 #else // !MCLoadBySet
00116     m_catalog_fd = catopen(catalog_filename.c_str(), NL_CAT_LOCALE);
00117 #endif // MCLoadBySet
00118 
00119     if (m_catalog_fd == (nl_catd)-1) {
00120         cerr<<"Warning: Failed to open file("<<catalog_filename<<")"<<endl;
00121         cerr<<"for translation, using default messages."<<endl;
00122     }
00123     
00124 #else // !HAVE_CATOPEN
00125     
00126     m_catalog_fd = (nl_catd)-1;
00127 #endif // HAVE_CATOPEN
00128 }
00129 
00130 
00131 const char *I18n::getMessage(int set_number, int message_number, 
00132                              const char *default_message) const {
00133 
00134 #if defined(NLS) && defined(HAVE_CATGETS)
00135     if (m_catalog_fd != (nl_catd)-1)
00136         return (const char *) catgets(m_catalog_fd, set_number, message_number, default_message);
00137     else
00138 #endif // NLS && HAVE_CATGETS
00139         return default_message;
00140 }
I18n.cc

Fluxbox CVS-Jan-2003
