166 lines
4.1 KiB
C++
166 lines
4.1 KiB
C++
/*
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* Copyright (C) 2021 CutefishOS Team.
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*
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* Author: Reion Wong <reionwong@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "xdgdesktopfile.h"
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#include <QTextStream>
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#include <QFile>
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#include <QLocale>
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XdgDesktopFile::XdgDesktopFile(const QString &fileName)
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: m_isValid(false)
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, m_fileName(fileName)
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{
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if (!m_fileName.isEmpty())
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load();
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}
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bool XdgDesktopFile::valid() const
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{
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return m_isValid;
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}
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QVariant XdgDesktopFile::value(const QString &key, const QVariant &defaultValue) const
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{
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QString path = (!prefix().isEmpty()) ? prefix() + QLatin1Char('/') + key : key;
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QVariant res = m_items.value(path, defaultValue);
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return res;
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}
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void XdgDesktopFile::setValue(const QString &key, const QVariant &value)
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{
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QString path = (!prefix().isEmpty()) ? prefix() + QLatin1Char('/') + key : key;
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if (value.type() == QVariant::String) {
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QString s = value.toString();
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m_items[path] = QVariant(s);
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} else {
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m_items[path] = value;
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}
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}
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bool XdgDesktopFile::load()
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{
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if (!QFile::exists(m_fileName))
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return false;
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m_items.clear();
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read("Desktop Entry");
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return m_isValid;
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}
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bool XdgDesktopFile::save()
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{
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QFile file(m_fileName);
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if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
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return false;
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QTextStream stream(&file);
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QMap<QString, QVariant>::const_iterator i = m_items.constBegin();
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QString section;
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while (i != m_items.constBegin()) {
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QString path = i.key();
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QString sect = path.section(QChar('/'), 0, 0);
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if (sect != section) {
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section = sect;
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#if QT_VERSION >= 0x050e00
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stream << QLatin1Char('[') << section << QChar(']') << Qt::endl;
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#else
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stream << QLatin1Char('[') << section << QChar(']') << endl;
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#endif
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}
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QString key = path.section(QChar('/'), 1);
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#if QT_VERSION >= 0x050e00
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stream << key << QLatin1Char('=') << i.value().toString() << Qt::endl;
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#else
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stream << key << QLatin1Char('=') << i.value().toString() << endl;
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#endif
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++i;
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}
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return true;
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}
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QStringList XdgDesktopFile::keys() const
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{
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return m_items.keys();
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}
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QString XdgDesktopFile::localeName() const
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{
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QString localeKey = QString("Name[%1]").arg(QLocale::system().name());
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if (m_items.contains(localeKey)) {
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return XdgDesktopFile::value("Name").toString();
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}
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return XdgDesktopFile::value("Name").toString();
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}
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QString XdgDesktopFile::prefix() const
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{
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return QLatin1String("Desktop Entry");
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}
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bool XdgDesktopFile::read(const QString &prefix)
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{
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QFile file(m_fileName);
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// Can't open file.
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if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
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return false;
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QTextStream stream(&file);
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QString section;
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bool prefixExists = false;
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while (!stream.atEnd()) {
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QString line = stream.readLine().trimmed();
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// Skip comments.
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if (line.startsWith("#"))
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continue;
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// Find the prefix string.
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if (line.startsWith(QChar('[')) && line.endsWith(QChar(']'))) {
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section = line.mid(1, line.length() - 2);
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if (section == prefix)
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prefixExists = true;
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continue;
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}
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QString key = line.section(QLatin1Char('='), 0, 0).trimmed();
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QString value = line.section(QLatin1Char('='), 1).trimmed();
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if (key.isEmpty())
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continue;
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m_items[section + QLatin1Char('/') + key] = QVariant(value);
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}
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m_isValid = (prefix.isEmpty()) || prefixExists;
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return m_isValid;
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}
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