// I18n.hh for Fluxbox Window Manager // Copyright (c) 2001 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org) // // I18n.cc for Blackbox - an X11 Window manager // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // $Id$ /* Note: * A good reference for the older non-gettext style I18n * functions is the "Locale tutorial" * Written by Patrick D'Cruze (pdcruze@orac.iinet.com.au) * A copy of which is available (at the time of writing) here: * http://www.kulichki.com/moshkow/CYRILLIC/locale-tutorial-0_8.txt */ //use GNU extensions #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif // _GNU_SOURCE #include "I18n.hh" #include "FileUtil.hh" #include <X11/Xlocale.h> #ifdef HAVE_CSTDLIB #include <cstdlib> #else #include <stdlib.h> #endif #ifdef HAVE_CSTRING #include <cstring> #else #include <string.h> #endif #ifdef HAVE_CSTDIO #include <cstdio> #else #include <stdio.h> #endif #include <iostream> using std::cerr; using std::endl; using std::string; namespace FbTk { void NLSInit(const char *catalog) { FbStringUtil::init(); I18n *i18n = I18n::instance(); i18n->openCatalog(catalog); } I18n::I18n():m_multibyte(false), m_utf8_translate(false), m_catalog_fd((nl_catd)(-1)) { #ifdef HAVE_SETLOCALE //make sure we don't get 0 to m_locale string char *temp = setlocale(LC_MESSAGES, ""); m_locale = ( temp ? temp : ""); if (m_locale.empty()) { cerr<<"Warning: Failed to set locale, reverting to \"C\""<<endl; #endif // HAVE_SETLOCALE m_locale = "C"; #ifdef HAVE_SETLOCALE } else { setlocale(LC_TIME, ""); // MB_CUR_MAX returns the size of a char in the current locale if (MB_CUR_MAX > 1) m_multibyte = true; // truncate any encoding off the end of the locale // remove everything after @ string::size_type index = m_locale.find('@'); if (index != string::npos) m_locale.erase(index); //erase all characters starting at index // remove everything before = index = m_locale.find('='); if (index != string::npos) m_locale.erase(0,index+1); //erase all characters starting up to index } #endif // HAVE_SETLOCALE } I18n::~I18n() { #if defined(NLS) && defined(HAVE_CATCLOSE) if (m_catalog_fd != (nl_catd)-1) catclose(m_catalog_fd); #endif // HAVE_CATCLOSE } I18n *I18n::instance() { static I18n singleton; //singleton object return &singleton; } void I18n::openCatalog(const char *catalog) { #if defined(NLS) && defined(HAVE_CATOPEN) string catalog_filename = LOCALEPATH; catalog_filename += '/'; catalog_filename += m_locale; catalog_filename += '/'; catalog_filename += catalog; if (!FileUtil::isRegularFile(catalog_filename.c_str()) && m_locale != "C" && FbStringUtil::haveUTF8()) { // try the UTF-8 catalog, this also picks up situations where // the codeset somehow isn't specified // remove everything after @ string::size_type index = m_locale.find('.'); // erase all characters starting at index if (index != string::npos) m_locale.erase(index); m_locale.append(".UTF-8"); m_utf8_translate = true; catalog_filename = LOCALEPATH; catalog_filename += '/'; catalog_filename += m_locale; catalog_filename += '/'; catalog_filename += catalog; } #ifdef MCLoadBySet m_catalog_fd = catopen(catalog_filename.c_str(), MCLoadBySet); #else // !MCLoadBySet m_catalog_fd = catopen(catalog_filename.c_str(), NL_CAT_LOCALE); #endif // MCLoadBySet if (m_catalog_fd == (nl_catd)-1) { cerr<<"Warning: Failed to open file("<<catalog_filename<<")"<<endl; cerr<<"for translation, using default messages."<<endl; } #else // !HAVE_CATOPEN m_catalog_fd = (nl_catd)-1; #endif // HAVE_CATOPEN } // Translate_FB means it'll become an FbString that goes to X for Fonts, // No translate means it stays in the local encoding, for printing to the // console. FbString I18n::getMessage(int set_number, int message_number, const char *default_message, bool translate_fb) const { #if defined(NLS) && defined(HAVE_CATGETS) if (m_catalog_fd != (nl_catd)-1) { const char *ret = catgets(m_catalog_fd, set_number, message_number, default_message); // can't translate, leave it in raw ascii (utf-8 compatible) if (ret == default_message || ret == NULL) return default_message; if (!m_utf8_translate && translate_fb) // Local input, UTF-8 output return FbStringUtil::LocaleStrToFb(ret); else if (m_utf8_translate && !translate_fb) // UTF-8 input, local output return FbStringUtil::FbStrToLocale(ret); else // UTF-8 input, UTF-8 output OR // local input, local output return ret; } else #endif // NLS && HAVE_CATGETS return default_message; } }; // end namespace FbTk