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314 lines
10 KiB
314 lines
10 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QSETTINGS_H
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#define QSETTINGS_H
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#include <QtCore/qobject.h>
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#include <QtCore/qvariant.h>
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#include <QtCore/qstring.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Core)
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QT_END_NAMESPACE
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#ifndef QT_NO_SETTINGS
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#ifdef QT3_SUPPORT
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#include <QtCore/qstringlist.h>
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#endif
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#include <ctype.h>
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QT_BEGIN_NAMESPACE
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#ifdef Status // we seem to pick up a macro Status --> int somewhere
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#undef Status
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#endif
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class QIODevice;
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class QSettingsPrivate;
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#ifndef QT_NO_QOBJECT
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class Q_CORE_EXPORT QSettings : public QObject
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#else
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class Q_CORE_EXPORT QSettings
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#endif
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{
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#ifndef QT_NO_QOBJECT
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Q_OBJECT
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#else
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QScopedPointer<QSettingsPrivate> d_ptr;
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#endif
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Q_DECLARE_PRIVATE(QSettings)
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public:
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enum Status {
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NoError = 0,
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AccessError,
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FormatError
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};
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enum Format {
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NativeFormat,
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IniFormat,
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InvalidFormat = 16,
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CustomFormat1,
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CustomFormat2,
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CustomFormat3,
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CustomFormat4,
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CustomFormat5,
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CustomFormat6,
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CustomFormat7,
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CustomFormat8,
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CustomFormat9,
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CustomFormat10,
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CustomFormat11,
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CustomFormat12,
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CustomFormat13,
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CustomFormat14,
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CustomFormat15,
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CustomFormat16
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};
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enum Scope {
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UserScope,
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SystemScope
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#ifdef QT3_SUPPORT
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,
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User = UserScope,
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Global = SystemScope
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#endif
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};
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#ifndef QT_NO_QOBJECT
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explicit QSettings(const QString &organization,
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const QString &application = QString(), QObject *parent = 0);
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QSettings(Scope scope, const QString &organization,
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const QString &application = QString(), QObject *parent = 0);
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QSettings(Format format, Scope scope, const QString &organization,
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const QString &application = QString(), QObject *parent = 0);
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QSettings(const QString &fileName, Format format, QObject *parent = 0);
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explicit QSettings(QObject *parent = 0);
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#else
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explicit QSettings(const QString &organization,
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const QString &application = QString());
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QSettings(Scope scope, const QString &organization,
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const QString &application = QString());
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QSettings(Format format, Scope scope, const QString &organization,
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const QString &application = QString());
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QSettings(const QString &fileName, Format format);
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#endif
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~QSettings();
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void clear();
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void sync();
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Status status() const;
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void beginGroup(const QString &prefix);
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void endGroup();
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QString group() const;
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int beginReadArray(const QString &prefix);
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void beginWriteArray(const QString &prefix, int size = -1);
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void endArray();
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void setArrayIndex(int i);
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QStringList allKeys() const;
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QStringList childKeys() const;
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QStringList childGroups() const;
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bool isWritable() const;
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void setValue(const QString &key, const QVariant &value);
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QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
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void remove(const QString &key);
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bool contains(const QString &key) const;
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void setFallbacksEnabled(bool b);
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bool fallbacksEnabled() const;
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QString fileName() const;
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Format format() const;
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Scope scope() const;
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QString organizationName() const;
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QString applicationName() const;
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#ifndef QT_NO_TEXTCODEC
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void setIniCodec(QTextCodec *codec);
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void setIniCodec(const char *codecName);
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QTextCodec *iniCodec() const;
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#endif
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static void setDefaultFormat(Format format);
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static Format defaultFormat();
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static void setSystemIniPath(const QString &dir); // ### remove in 5.0 (use setPath() instead)
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static void setUserIniPath(const QString &dir); // ### remove in 5.0 (use setPath() instead)
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static void setPath(Format format, Scope scope, const QString &path);
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typedef QMap<QString, QVariant> SettingsMap;
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typedef bool (*ReadFunc)(QIODevice &device, SettingsMap &map);
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typedef bool (*WriteFunc)(QIODevice &device, const SettingsMap &map);
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static Format registerFormat(const QString &extension, ReadFunc readFunc, WriteFunc writeFunc,
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Qt::CaseSensitivity caseSensitivity = Qt::CaseSensitive);
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#ifdef QT3_SUPPORT
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inline QT3_SUPPORT bool writeEntry(const QString &key, bool value)
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{ setValue(key, value); return isWritable(); }
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inline QT3_SUPPORT bool writeEntry(const QString &key, double value)
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{ setValue(key, value); return isWritable(); }
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inline QT3_SUPPORT bool writeEntry(const QString &key, int value)
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{ setValue(key, value); return isWritable(); }
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inline QT3_SUPPORT bool writeEntry(const QString &key, const char *value)
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{ setValue(key, QString::fromAscii(value)); return isWritable(); }
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inline QT3_SUPPORT bool writeEntry(const QString &key, const QString &value)
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{ setValue(key, value); return isWritable(); }
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inline QT3_SUPPORT bool writeEntry(const QString &key, const QStringList &value)
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{ setValue(key, value); return isWritable(); }
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inline QT3_SUPPORT bool writeEntry(const QString &key, const QStringList &value, QChar separator)
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{ setValue(key, value.join(QString(separator))); return isWritable(); }
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inline QT3_SUPPORT QStringList readListEntry(const QString &key, bool *ok = 0)
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{
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if (ok)
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*ok = contains(key);
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return value(key).toStringList();
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}
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inline QT3_SUPPORT QStringList readListEntry(const QString &key, QChar separator, bool *ok = 0)
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{
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if (ok)
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*ok = contains(key);
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QString str = value(key).toString();
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if (str.isEmpty())
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return QStringList();
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return str.split(separator);
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}
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inline QT3_SUPPORT QString readEntry(const QString &key, const QString &defaultValue = QString(),
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bool *ok = 0)
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{
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if (ok)
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*ok = contains(key);
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return value(key, defaultValue).toString();
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}
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inline QT3_SUPPORT int readNumEntry(const QString &key, int defaultValue = 0, bool *ok = 0)
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{
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if (ok)
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*ok = contains(key);
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return value(key, defaultValue).toInt();
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}
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inline QT3_SUPPORT double readDoubleEntry(const QString &key, double defaultValue = 0,
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bool *ok = 0)
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{
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if (ok)
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*ok = contains(key);
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return value(key, defaultValue).toDouble();
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}
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inline QT3_SUPPORT bool readBoolEntry(const QString &key, bool defaultValue = false,
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bool *ok = 0)
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{
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if (ok)
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*ok = contains(key);
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return value(key, defaultValue).toBool();
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}
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inline QT3_SUPPORT bool removeEntry(const QString &key)
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{ remove(key); return true; }
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enum System { Unix, Windows, Mac };
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inline QT3_SUPPORT void insertSearchPath(System, const QString &) {}
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inline QT3_SUPPORT void removeSearchPath(System, const QString &) {}
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inline QT3_SUPPORT void setPath(const QString &organization, const QString &application,
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Scope scope = Global)
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{
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setPath_helper(scope == Global ? QSettings::SystemScope : QSettings::UserScope,
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organization, application);
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}
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inline QT3_SUPPORT void resetGroup()
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{
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while (!group().isEmpty())
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endGroup();
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}
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inline QT3_SUPPORT QStringList entryList(const QString &key) const
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{
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QSettings *that = const_cast<QSettings *>(this);
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QStringList result;
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that->beginGroup(key);
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result = that->childKeys();
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that->endGroup();
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return result;
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}
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inline QT3_SUPPORT QStringList subkeyList(const QString &key) const
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{
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QSettings *that = const_cast<QSettings *>(this);
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QStringList result;
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that->beginGroup(key);
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result = that->childGroups();
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that->endGroup();
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return result;
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}
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#endif
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protected:
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#ifndef QT_NO_QOBJECT
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bool event(QEvent *event);
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#endif
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private:
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#ifdef QT3_SUPPORT
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void setPath_helper(Scope scope, const QString &organization, const QString &application);
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#endif
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Q_DISABLE_COPY(QSettings)
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};
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QT_END_NAMESPACE
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#endif // QT_NO_SETTINGS
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QT_END_HEADER
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#endif // QSETTINGS_H
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