Locale.cc

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/*
 * Locale.cc
 *
 * Smalltalk like class library for C++
 * System locale accessor.
 *
 * Copyright (c) 2006 Milan Cermak
 */
/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include <stlib/Locale.h>
#include <stlib/Character.h>
#include <stlib/String.h>

#include <langinfo.h>
#include <stdio.h>

namespace Core {

Locale *Locale::_current = nil;

Locale::Locale(locale_t cLocale)
{
    locale_def = cLocale;
}

/* Instance accessing protocol */
Locale *Locale::current(void)
{
    if (_current == nil) {
        /* In case the requested locale doesn't exist, setlocale
         * (and newlocale respectively) returns NULL.
         */
        _current = new Locale(newlocale(LC_ALL_MASK, setlocale(LC_ALL, ""), NULL));
    }
    return _current;
}

/* Class accessing protocol */
String *Locale::className(void) const
{
    return new String("Locale");
}

/* Accessing protocol */
Character *Locale::decimalPoint(void)
{
    if (locale_def == NULL) return Character::value('.');
    return Character::value(nl_langinfo_l(DECIMAL_POINT, locale_def)[0]);
}

String *Locale::encoding(void)
{
    if (locale_def == NULL) return new String("ISO-8859-1");
    return new String(nl_langinfo_l(CODESET, locale_def));
}

}; /* namespace Core */

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