/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the XMLPatterns module of the Qt Toolkit.
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** No Commercial Usage
** This file contains pre-release code and may not be distributed.
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** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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
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**
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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**
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** $QT_END_LICENSE$
**
****************************************************************************/

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.

#ifndef Patternist_ColorOutput_h
#define Patternist_ColorOutput_h

#include <QtCore/QtGlobal>
#include <QtCore/QHash>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    class ColorOutputPrivate;

    class ColorOutput
    {
        enum
        {
            ForegroundShift = 10,
            BackgroundShift = 20,
            SpecialShift    = 20,
            ForegroundMask  = ((1 << ForegroundShift) - 1) << ForegroundShift,
            BackgroundMask  = ((1 << BackgroundShift) - 1) << BackgroundShift
        };

    public:
        enum ColorCodeComponent
        {
            BlackForeground         = 1 << ForegroundShift,
            BlueForeground          = 2 << ForegroundShift,
            GreenForeground         = 3 << ForegroundShift,
            CyanForeground          = 4 << ForegroundShift,
            RedForeground           = 5 << ForegroundShift,
            PurpleForeground        = 6 << ForegroundShift,
            BrownForeground         = 7 << ForegroundShift,
            LightGrayForeground     = 8 << ForegroundShift,
            DarkGrayForeground      = 9 << ForegroundShift,
            LightBlueForeground     = 10 << ForegroundShift,
            LightGreenForeground    = 11 << ForegroundShift,
            LightCyanForeground     = 12 << ForegroundShift,
            LightRedForeground      = 13 << ForegroundShift,
            LightPurpleForeground   = 14 << ForegroundShift,
            YellowForeground        = 15 << ForegroundShift,
            WhiteForeground         = 16 << ForegroundShift,

            BlackBackground         = 1 << BackgroundShift,
            BlueBackground          = 2 << BackgroundShift,
            GreenBackground         = 3 << BackgroundShift,
            CyanBackground          = 4 << BackgroundShift,
            RedBackground           = 5 << BackgroundShift,
            PurpleBackground        = 6 << BackgroundShift,
            BrownBackground         = 7 << BackgroundShift,
            DefaultColor            = 1 << SpecialShift
        };

        typedef QFlags<ColorCodeComponent> ColorCode;
        typedef QHash<int, ColorCode> ColorMapping;

        ColorOutput();
        ~ColorOutput();

        void setColorMapping(const ColorMapping &cMapping);
        ColorMapping colorMapping() const;
        void insertMapping(int colorID, const ColorCode colorCode);

        void writeUncolored(const QString &message);
        void write(const QString &message, int color = -1);
        QString colorify(const QString &message, int color = -1) const;

    private:
        ColorOutputPrivate *d;
        Q_DISABLE_COPY(ColorOutput)
    };
}

Q_DECLARE_OPERATORS_FOR_FLAGS(QPatternist::ColorOutput::ColorCode)

QT_END_NAMESPACE

QT_END_HEADER

#endif
