property.cpp

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/****************************************************************************
** 
**
** Implementation of QMakeProperty class.
**
** Copyright (C) 1992-2003 Trolltech AS.  All rights reserved.
**
** This file is part of qmake.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** 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.
**
** Licensees holding valid Qt Enterprise Edition licenses may use this
** file in accordance with the Qt Commercial License Agreement provided
** with the Software.
**
** 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/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** 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.
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**********************************************************************/

#include "property.h"
#include "option.h"
#include <qsettings.h>
#include <qdir.h>
#include <qmap.h>
#include <qstringlist.h>
#include <stdio.h>

QStringList qmake_mkspec_paths(); //project.cpp

QMakeProperty::QMakeProperty() : sett(NULL)
{
}

QMakeProperty::~QMakeProperty()
{
    delete sett;;
    sett = NULL;
}


bool QMakeProperty::initSettings()
{
    if(sett)
        return TRUE;
    sett = new QSettings;
    return TRUE;
}

QString
QMakeProperty::keyBase(bool version) const
{
    QString ret = "/QMake/properties/";
    if(version)
        ret += QString(qmake_version()) + "/";
    return ret;
}


QString
QMakeProperty::value(QString v, bool just_check)
{
    if(v == "QT_INSTALL_PREFIX") {
#ifdef QT_INSTALL_PREFIX
        return QT_INSTALL_PREFIX;
#elif defined(HAVE_QCONFIG_CPP)
        return qInstallPath();
#endif
    } else if(v == "QT_INSTALL_DATA") {
#ifdef QT_INSTALL_DATA
        return QT_INSTALL_DATA;
#elif defined(HAVE_QCONFIG_CPP)
        return qInstallPathData();
#endif
    } 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();
    }

    if(initSettings()) {
        bool ok;
        int slash = v.findRev('/');
        QString ret = sett->readEntry(keyBase(slash == -1) + v, QString::null, &ok);
        if(!ok) {
            QString version = qmake_version();
            if(slash != -1) {
                version = v.left(slash-1);
                v = v.mid(slash+1);
            }
            QStringList subs = sett->subkeyList(keyBase(FALSE));
            subs.sort();
            for(QStringList::Iterator it = subs.fromLast(); it != subs.end(); --it) {
                if((*it).isEmpty() || (*it) > version)
                    continue;
                ret = sett->readEntry(keyBase(FALSE) + (*it) + "/" + v, QString::null, &ok);
                if(ok) {
                    if(!just_check)
                        debug_msg(1, "Fell back from %s -> %s for '%s'.", version.latin1(),
                                  (*it).latin1(), v.latin1());
                    return ret;
                }
            }
        }
        return ok ? ret : QString::null;
    }
    return QString::null;
}

bool
QMakeProperty::hasValue(QString v)
{
    if(initSettings())
        return !value(v, TRUE).isNull();
    return FALSE;
}

void
QMakeProperty::setValue(QString var, const QString &val)
{
    if(initSettings())
        sett->writeEntry(keyBase() + var, val);
}

bool
QMakeProperty::exec()
{
    bool ret = TRUE;
    if(Option::qmake_mode == Option::QMAKE_QUERY_PROPERTY) {
        if(Option::prop::properties.isEmpty() && initSettings()) {
            QStringList subs = sett->subkeyList(keyBase(FALSE));
            subs.sort();
            for(QStringList::Iterator it = subs.fromLast(); it != subs.end(); --it) {
                if((*it).isEmpty())
                    continue;
                QStringList keys = sett->entryList(keyBase(FALSE) + (*it));
                for(QStringList::Iterator it2 = keys.begin(); it2 != keys.end(); it2++) {
                    QString ret = sett->readEntry(keyBase(FALSE) + (*it) + "/" + (*it2));
                    if((*it) != qmake_version())
                        fprintf(stdout, "%s/", (*it).latin1());
                    fprintf(stdout, "%s:%s\n", (*it2).latin1(), ret.latin1());
                }
            }
            return TRUE;
        }
        for(QStringList::Iterator it = Option::prop::properties.begin(); 
            it != Option::prop::properties.end(); it++) {
            if(Option::prop::properties.count() > 1)
                fprintf(stdout, "%s:", (*it).latin1());
            if(!hasValue((*it))) {
                ret = FALSE;
                fprintf(stdout, "**Unknown**\n");
            } else {
                fprintf(stdout, "%s\n", value((*it)).latin1());
            }
        }
    } else if(Option::qmake_mode == Option::QMAKE_SET_PROPERTY) {
        for(QStringList::Iterator 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;
}

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