200 lines
6 KiB
C++
200 lines
6 KiB
C++
// 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
|