/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#ifndef HBSTRING_P_H

#define HBSTRING_P_H

#include <QAtomicInt>

#include "hbmemoryutils_p.h"

#ifdef CSS_PARSER_TRACES

#include <QByteArray>

#include <QDebug>

#endif // CSS_PARSER_TRACES

class QDataStream;

class HB_CORE_PRIVATE_EXPORT HbString

{   

    HB_CORE_PRIVATE_EXPORT friend QDataStream & operator>>( QDataStream &in, HbString &str );

    HB_CORE_PRIVATE_EXPORT friend QDataStream & operator<<( QDataStream &out, const HbString &str );

    friend class TestHbString;

public:

    HbString( HbMemoryManager::MemoryType type = HbMemoryManager::InvalidMemory ); 

    HbString( const QString &str, HbMemoryManager::MemoryType type );

    HbString( const HbString &Other );

    ~HbString();

    HbMemoryManager::MemoryType memoryType() const

    {

        return mMemoryType;

    }

    operator QString() const;

    HbString & operator=( const HbString &str) ;

    HbString & operator=( const QLatin1String &str );

    HbString & operator= ( const QString& str );

    bool operator==( const HbString &str ) const;

    bool operator==( const QLatin1String &str ) const;

    bool operator==( const QString &str ) const;

    bool operator!=( const HbString &str ) const;

    bool operator!=( const QLatin1String &str ) const;

    bool operator!=( const QString &str ) const;

    void clear();

    void chop( int n );

    HbString & remove ( int position, int n );

    bool isEmpty() const;

    bool startsWith ( const QLatin1Char &s, Qt::CaseSensitivity cs = Qt::CaseSensitive ) const;

    HbString & prepend ( const QString &str );

    HbString & append ( const QString &str );

    HbString toLower () const;

    QByteArray toLatin1 () const;

    const QChar *constData() const;

    int length() const;

    bool contains( const QChar &ch ) const;

    int compare( const QLatin1String &other ) const;

#ifdef CSS_PARSER_TRACES

    bool supportsPrinting() const

    {

        return true; 

    }

    void print() const

    {

        GET_MEMORY_MANAGER(mMemoryType)

        HbStringData * mData = HbMemoryUtils::getAddress<HbStringData>( mMemoryType, mDataOffset);

        qDebug() << QString::fromRawData( (QChar*)((char*)manager->base() 

                                           + mData->mStartOffset), mData->mLength );

    }

#endif //CSS_PARSER_TRACES

private:

    void copyString( const QChar *arr, int size );

    bool compareString( const QChar *rhs, int len ) const;

    void detach( int size );

private: // Data

    HbMemoryManager::MemoryType mMemoryType;

    bool mShared;

    int mDataOffset;

};

#endif // HBSTRING_P_H