167 lines
4.8 KiB
C++
167 lines
4.8 KiB
C++
// I18n.hh for Fluxbox Window Manager
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// Copyright (c) 2001 - 2003 Henrik Kinnunen (fluxgen(at)users.sourceforge.net)
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//
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// I18n.cc for Blackbox - an X11 Window manager
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// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// $Id$
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/* Note:
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* A good reference for the older non-gettext style I18n
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* functions is the "Locale tutorial"
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* Written by Patrick D'Cruze (pdcruze@orac.iinet.com.au)
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* A copy of which is available (at the time of writing) here:
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* http://www.kulichki.com/moshkow/CYRILLIC/locale-tutorial-0_8.txt
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*/
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//usr GNU extensions
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif // _GNU_SOURCE
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#include "I18n.hh"
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#include <X11/Xlocale.h>
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#ifdef HAVE_CSTDLIB
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#include <cstdlib>
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#else
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#include <stdlib.h>
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#endif
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#ifdef HAVE_CSTRING
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#include <cstring>
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#else
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#include <string.h>
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#endif
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#ifdef HAVE_CSTDIO
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#include <cstdio>
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#else
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#include <stdio.h>
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#endif
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#include <iostream>
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// TODO: FIXME: the LOCALEPATH from this file should be ./configure-ed into config.h
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#include "../defaults.hh"
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using std::cerr;
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using std::endl;
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using std::string;
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namespace FbTk {
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void NLSInit(const char *catalog) {
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I18n *i18n = I18n::instance();
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i18n->openCatalog(catalog);
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}
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I18n::I18n():m_multibyte(false), m_catalog_fd((nl_catd)(-1)) {
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#ifdef HAVE_SETLOCALE
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//make sure we don't get 0 to m_locale string
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char *temp = setlocale(LC_MESSAGES, "");
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m_locale = ( temp ? temp : "");
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if (m_locale.empty()) {
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cerr<<"Warning: Failed to set locale, reverting to \"C\""<<endl;
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#endif // HAVE_SETLOCALE
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m_locale = "C";
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#ifdef HAVE_SETLOCALE
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} else {
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setlocale(LC_TIME, "");
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// MB_CUR_MAX returns the size of a char in the current locale
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if (MB_CUR_MAX > 1)
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m_multibyte = true;
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// truncate any encoding off the end of the locale
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// remove everything after @
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string::size_type index = m_locale.find('@');
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if (index != string::npos)
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m_locale.erase(index); //erase all characters starting at index
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// remove everything after .
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index = m_locale.find('.');
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if (index != string::npos)
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m_locale.erase(index); //erase all characters starting at index
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// remove everything before =
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index = m_locale.find('=');
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if (index != string::npos)
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m_locale.erase(0,index+1); //erase all characters starting up to index
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}
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#endif // HAVE_SETLOCALE
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}
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I18n::~I18n() {
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#if defined(NLS) && defined(HAVE_CATCLOSE)
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if (m_catalog_fd != (nl_catd)-1)
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catclose(m_catalog_fd);
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#endif // HAVE_CATCLOSE
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}
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I18n *I18n::instance() {
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static I18n singleton; //singleton object
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return &singleton;
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}
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void I18n::openCatalog(const char *catalog) {
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#if defined(NLS) && defined(HAVE_CATOPEN)
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string catalog_filename = LOCALEPATH;
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catalog_filename += '/';
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catalog_filename += m_locale;
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catalog_filename += '/';
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catalog_filename += catalog;
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#ifdef MCLoadBySet
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m_catalog_fd = catopen(catalog_filename.c_str(), MCLoadBySet);
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#else // !MCLoadBySet
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m_catalog_fd = catopen(catalog_filename.c_str(), NL_CAT_LOCALE);
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#endif // MCLoadBySet
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if (m_catalog_fd == (nl_catd)-1) {
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cerr<<"Warning: Failed to open file("<<catalog_filename<<")"<<endl;
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cerr<<"for translation, using default messages."<<endl;
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}
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#else // !HAVE_CATOPEN
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m_catalog_fd = (nl_catd)-1;
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#endif // HAVE_CATOPEN
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}
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const char *I18n::getMessage(int set_number, int message_number,
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const char *default_message) const {
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#if defined(NLS) && defined(HAVE_CATGETS)
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if (m_catalog_fd != (nl_catd)-1)
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return (const char *) catgets(m_catalog_fd, set_number, message_number, default_message);
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else
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#endif // NLS && HAVE_CATGETS
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return default_message;
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}
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}; // end namespace FbTk
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