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

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the qmake application of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** 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

** 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 qt-info@nokia.com.

**

**

**

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** $QT_END_LICENSE$

**

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

#include "property.h"

#include "option.h"

#include <qdir.h>

#include <qmap.h>

#include <qsettings.h>

#include <qstringlist.h>

#include <stdio.h>

QT_BEGIN_NAMESPACE

QStringList qmake_mkspec_paths(); //project.cpp

QMakeProperty::QMakeProperty() : settings(0)

{

}

QMakeProperty::~QMakeProperty()

{

    delete settings;

    settings = 0;

}

void QMakeProperty::initSettings()

{

    if(!settings) {

        settings = new QSettings(QSettings::UserScope, "Trolltech", "QMake");

        settings->setFallbacksEnabled(false);

    }

}

QString

QMakeProperty::keyBase(bool version) const

{

    if (version)

        return QString(qmake_version()) + "/";

    return QString();

}

QString

QMakeProperty::value(QString v, bool just_check)

{

    if(v == "QT_INSTALL_PREFIX")

        return QLibraryInfo::location(QLibraryInfo::PrefixPath);

    else if(v == "QT_INSTALL_DATA")

        return QLibraryInfo::location(QLibraryInfo::DataPath);

    else if(v == "QT_INSTALL_DOCS")

        return QLibraryInfo::location(QLibraryInfo::DocumentationPath);

    else if(v == "QT_INSTALL_HEADERS")

        return QLibraryInfo::location(QLibraryInfo::HeadersPath);

    else if(v == "QT_INSTALL_LIBS")

        return QLibraryInfo::location(QLibraryInfo::LibrariesPath);

    else if(v == "QT_INSTALL_BINS")

        return QLibraryInfo::location(QLibraryInfo::BinariesPath);

    else if(v == "QT_INSTALL_PLUGINS")

        return QLibraryInfo::location(QLibraryInfo::PluginsPath);

    else if(v == "QT_INSTALL_TRANSLATIONS")

        return QLibraryInfo::location(QLibraryInfo::TranslationsPath);

    else if(v == "QT_INSTALL_CONFIGURATION")

        return QLibraryInfo::location(QLibraryInfo::SettingsPath);

    else if(v == "QT_INSTALL_EXAMPLES")

        return QLibraryInfo::location(QLibraryInfo::ExamplesPath);

    else if(v == "QT_INSTALL_DEMOS")

        return QLibraryInfo::location(QLibraryInfo::DemosPath);

    else if(v == "QMAKE_MKSPECS")

        return qmake_mkspec_paths().join(Option::target_mode == Option::TARG_WIN_MODE ? ";" : ":");

    else if(v == "QMAKE_VERSION")

        return qmake_version();

#ifdef QT_VERSION_STR

    else if(v == "QT_VERSION")

        return QT_VERSION_STR;

#endif

    initSettings();

    int slash = v.lastIndexOf('/');

    QVariant var = settings->value(keyBase(slash == -1) + v);

    bool ok = var.isValid();

    QString ret = var.toString();

    if(!ok) {

        QString version = qmake_version();

        if(slash != -1) {

            version = v.left(slash-1);

            v = v.mid(slash+1);

        }

        settings->beginGroup(keyBase(false));

        QStringList subs = settings->childGroups();

        settings->endGroup();

        subs.sort();

        for (int x = subs.count() - 1; x >= 0; x--) {

            QString s = subs[x];

            if(s.isEmpty() || s > version)

                continue;

            var = settings->value(keyBase(false) + s + "/" + v);

            ok = var.isValid();

            ret = var.toString();

            if (ok) {

                if(!just_check)

                    debug_msg(1, "Fell back from %s -> %s for '%s'.", version.toLatin1().constData(),

                              s.toLatin1().constData(), v.toLatin1().constData());

                return ret;

            }

        }

    }

    return ok ? ret : QString();

}

bool

QMakeProperty::hasValue(QString v)

{

    return !value(v, true).isNull();

}

void

QMakeProperty::setValue(QString var, const QString &val)

{

    initSettings();

    settings->setValue(keyBase() + var, val);

}

bool

QMakeProperty::exec()

{

    bool ret = true;

    if(Option::qmake_mode == Option::QMAKE_QUERY_PROPERTY) {

        if(Option::prop::properties.isEmpty()) {

            initSettings();

            settings->beginGroup(keyBase(false));

            QStringList subs = settings->childGroups();

            settings->endGroup();

            subs.sort();

            for(int x = subs.count() - 1; x >= 0; x--) {

                QString s = subs[x];

                if(s.isEmpty())

                    continue;

                settings->beginGroup(keyBase(false) + s);

                QStringList keys = settings->childKeys();

                settings->endGroup();

                for(QStringList::ConstIterator it2 = keys.begin(); it2 != keys.end(); it2++) {

                    QString ret = settings->value(keyBase(false) + s + "/" + (*it2)).toString();

                    if(s != qmake_version())

                        fprintf(stdout, "%s/", s.toLatin1().constData());

                    fprintf(stdout, "%s:%s\n", (*it2).toLatin1().constData(), ret.toLatin1().constData());

                }

            }

            QStringList specialProps;

            specialProps.append("QT_INSTALL_PREFIX");

            specialProps.append("QT_INSTALL_DATA");

            specialProps.append("QT_INSTALL_DOCS");

            specialProps.append("QT_INSTALL_HEADERS");

            specialProps.append("QT_INSTALL_LIBS");

            specialProps.append("QT_INSTALL_BINS");

            specialProps.append("QT_INSTALL_PLUGINS");

            specialProps.append("QT_INSTALL_TRANSLATIONS");

            specialProps.append("QT_INSTALL_CONFIGURATION");

            specialProps.append("QT_INSTALL_EXAMPLES");

            specialProps.append("QT_INSTALL_DEMOS");

            specialProps.append("QMAKE_MKSPECS");

            specialProps.append("QMAKE_VERSION");

#ifdef QT_VERSION_STR

            specialProps.append("QT_VERSION");

#endif

            foreach (QString prop, specialProps)

                fprintf(stdout, "%s:%s\n", prop.toLatin1().constData(), value(prop).toLatin1().constData());

            return true;

        }

        for(QStringList::ConstIterator it = Option::prop::properties.begin();

            it != Option::prop::properties.end(); it++) {

            if(Option::prop::properties.count() > 1)

                fprintf(stdout, "%s:", (*it).toLatin1().constData());

            if(!hasValue((*it))) {

                ret = false;

                fprintf(stdout, "**Unknown**\n");

            } else {

                fprintf(stdout, "%s\n", value((*it)).toLatin1().constData());

            }

        }

    } else if(Option::qmake_mode == Option::QMAKE_SET_PROPERTY) {

        for(QStringList::ConstIterator it = Option::prop::properties.begin();

            it != Option::prop::properties.end(); it++) {

            QString var = (*it);

            it++;

            if(it == Option::prop::properties.end()) {

                ret = false;

                break;

            }

            if(!var.startsWith("."))

                setValue(var, (*it));

        }

    }

    return ret;

}

QT_END_NAMESPACE