source: trunk/qmake/property.cpp@ 670

/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the qmake application of the Qt Toolkit.
**
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** accordance with the Qt Commercial License Agreement provided with the
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** 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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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
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#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 || 
                                         Option::target_mode == Option::TARG_OS2_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();