arcanis/qtadds-language
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arcan1s 2014-08-26 13:35:41 +04:00
parent dfa17ea90f
commit 335e73572e
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LICENSE → COPYING
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config.h Normal file
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#ifndef LANGUAGE_CONFIG_H
#define LANGUAGE_CONFIG_H
// put your languages here comma separated
// the first language is default language
#define LANGUAGES "en"
// language key in the configuration file
#define LANGUAGE_KEY "LANGUAGE"
#endif /* LANGUAGE_CONFIG_H */

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language.cpp Normal file
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/***************************************************************************
* Copyright (C) 2014 Evgeniy Alekseev *
* *
* 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 3.0 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. *
***************************************************************************/
#include "language.h"
#include <QFile>
#include <QLocale>
#include "config.h"
Language::Language()
{
}
QString Language::checkLanguage(const QString language)
{
QStringList availableLanguages = getAvailableLanguages();
if (availableLanguages.count() == 0) return QString();
for (int i=0; i<availableLanguages.count(); i++)
if (language == availableLanguages[i])
return availableLanguages[i];
for (int i=0; i<availableLanguages.count(); i++)
if (language.contains(availableLanguages[i] + QChar('_')))
return availableLanguages[i];
return availableLanguages[0];
}
QString Language::defineLanguage(const QString configPath, const QString options)
{
QMap<QString, QString> optionsDict = parseOptions(options);
if (optionsDict.contains(QString(LANGUAGE_KEY)))
if (getAvailableLanguages().contains(optionsDict[QString(LANGUAGE_KEY)]))
return optionsDict[QString(LANGUAGE_KEY)];
QString language;
language = defineLanguageFromFile(configPath);
if (language.isEmpty())
language = defineLanguageFromLocale();
language = checkLanguage(language);
return language;
}
QString Language::defineLanguageFromFile(const QString configPath)
{
QMap<QString, QString> settings;
if (configPath.isEmpty())
return QString("");
QFile configFile(configPath);
QString fileStr;
if (!configFile.open(QIODevice::ReadOnly))
return QString("");
while (true) {
fileStr = QString(configFile.readLine()).trimmed();
if ((fileStr.isEmpty()) && (!configFile.atEnd())) continue;
if ((fileStr[0] == QChar('#')) && (!configFile.atEnd())) continue;
if ((fileStr[0] == QChar(';')) && (!configFile.atEnd())) continue;
if (fileStr.contains(QChar('=')))
settings[fileStr.split(QChar('='))[0]] = fileStr.split(QChar('='))[1];
if (configFile.atEnd()) break;
}
configFile.close();
if (settings.contains(QString(LANGUAGE_KEY)))
return settings[QString(LANGUAGE_KEY)];
else
return QString("");
}
QString Language::defineLanguageFromLocale()
{
return QLocale::system().name();
}
QStringList Language::getAvailableLanguages()
{
return QString(LANGUAGES).split(QChar(','));
}
QMap<QString, QString> Language::parseOptions(const QString options)
{
QMap<QString, QString> optionsDict;
for (int i=0; i<options.split(QChar(',')).count(); i++) {
if (options.split(QChar(','))[i].split(QChar('=')).count() < 2)
continue;
optionsDict[options.split(QChar(','))[i].split(QChar('='))[0]] =
options.split(QChar(','))[i].split(QChar('='))[1];
}
return optionsDict;
}

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language.h Normal file
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/***************************************************************************
* Copyright (C) 2014 Evgeniy Alekseev *
* *
* 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 3.0 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. *
***************************************************************************/
#ifndef LANGUAGE_H
#define LANGUAGE_H
#include <QStringList>
class Language : public QObject
{
Q_OBJECT
public:
explicit Language();
static QString checkLanguage(const QString language);
static QString defineLanguage(const QString configPath,
const QString options = QString("OPTIONS"));
static QString defineLanguageFromFile(const QString configPath);
static QString defineLanguageFromLocale();
static QStringList getAvailableLanguages();
private:
static QMap<QString, QString> parseOptions(const QString options);
};
#endif /* LANGUAGE_H */