/**********************************************************************
** Copyright (C) 2000, 2004 Trolltech AS.  All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef CONFIG_H
#define CONFIG_H

// ##### could use QSettings with Qt 3.0

#include <qpe/qpeglobal.h>

#include <qmap.h>
#include <qstringlist.h>

typedef QMap< QString, QString > ConfigGroup;
typedef QMap< QString, ConfigGroup> ConfigGroupMap;

class QTextStream;
class ConfigPrivate;
class Config
{
public:

    enum Domain { File, User };
    Config( const QString &name, Domain domain=User );
    ~Config();

    QTOPIA_MERGED_METHOD(static long timeStamp( const QString &name, Domain domain=User ), "2.1");

    bool operator == ( const Config & other ) const { return (filename == other.filename); }
    bool operator != ( const Config & other ) const { return (filename != other.filename); }

    bool isValid() const;
    bool hasKey( const QString &key ) const;

	// inline for better SharpROM BC
    NOT_IN_QPE(bool hasGroup ( const QString &gname ) const);
    NOT_IN_QPE(QStringList groupList ( ) const);

    void setGroup( const QString &gname );
    void writeEntry( const QString &key, const char* value );
    void writeEntry( const QString &key, const QString &value );
    void writeEntryCrypt( const QString &key, const QString &value );
    void writeEntry( const QString &key, int num );
#ifdef Q_HAS_BOOL_TYPE
    void writeEntry( const QString &key, bool b );
#endif
    void writeEntry( const QString &key, const QStringList &lst, const QChar &sep );
    QTOPIA_MERGED_METHOD(void writeEntry( const QString &key, const QStringList &lst ), "2.1.0");

    void removeEntry( const QString &key );

    QString readEntry( const QString &key, const QString &deflt = QString::null ) const;
    QString readEntryCrypt( const QString &key, const QString &deflt = QString::null ) const;
    QString readEntryDirect( const QString &key, const QString &deflt = QString::null ) const;
    int readNumEntry( const QString &key, int deflt = -1 ) const;
    bool readBoolEntry( const QString &key, bool deflt = FALSE ) const;
    QStringList readListEntry( const QString &key, const QChar &sep ) const;
    QTOPIA_MERGED_METHOD(QStringList readListEntry( const QString &key ) const, "2.1.0");

    // For compatibility, non-const versions.
    QString readEntry( const QString &key, const QString &deflt );
    QString readEntryCrypt( const QString &key, const QString &deflt );
    QString readEntryDirect( const QString &key, const QString &deflt );
    int readNumEntry( const QString &key, int deflt );
    bool readBoolEntry( const QString &key, bool deflt );
    QStringList readListEntry( const QString &key, const QChar &sep );

    void clearGroup();
    QTOPIA_MERGED_METHOD(void removeGroup(), "2.1.0");
    QTOPIA_MERGED_METHOD(void removeGroup(const QString&), "2.1.0");
    QTOPIA_MERGED_METHOD(QStringList allGroups() const, "2.1.0");

    void write( const QString &fn = QString::null );

protected:
    void read();
    bool parse( const QString &line );

    ConfigGroupMap groups;
    ConfigGroupMap::Iterator git;
    QString filename;
    QString lang;
    QString glang;
    bool changed;
    ConfigPrivate *d;
    static QString configFilename(const QString& name, Domain);

private: // Sharp ROM compatibility
    Config( const QString &name, bool what );
    void read( QTextStream &s);
};

#endif