/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** 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.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/

#include "qmakeglobals.h"

#include "ioutils.h"

#include <QByteArray>
#include <QDateTime>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QList>
#include <QRegExp>
#include <QSet>
#include <QStack>
#include <QString>
#include <QStringList>
#include <QTextStream>
#ifdef PROEVALUATOR_THREAD_SAFE
# include <QThreadPool>
#endif

#ifdef Q_OS_UNIX
#include <unistd.h>
#include <sys/utsname.h>
#else
#include <Windows.h>
#endif
#include <stdio.h>
#include <stdlib.h>

#ifdef Q_OS_WIN32
#define QT_POPEN _popen
#define QT_PCLOSE _pclose
#else
#define QT_POPEN popen
#define QT_PCLOSE pclose
#endif

QT_BEGIN_NAMESPACE

#define fL1S(s) QString::fromLatin1(s)

QMakeGlobals::QMakeGlobals()
{
#ifdef Q_OS_WIN
    dirlist_sep = QLatin1Char(';');
    dir_sep = QLatin1Char('\\');
#else
    dirlist_sep = QLatin1Char(':');
    dir_sep = QLatin1Char('/');
#endif
    qmakespec = getEnv(QLatin1String("QMAKESPEC"));

    target_mode = TARG_UNKNOWN_MODE;

#ifdef PROEVALUATOR_THREAD_SAFE
    base_inProgress = false;
#endif
}

QMakeGlobals::~QMakeGlobals()
{
}

void QMakeGlobals::setCommandLineArguments(const QStringList &args)
{
    QStringList _precmds, _preconfigs, _postcmds, _postconfigs;
    bool after = false;

    bool isConf = false;
    foreach (const QString &arg, args) {
        if (isConf) {
            isConf = false;
            if (after)
                _postconfigs << arg;
            else
                _preconfigs << arg;
        } else if (arg.startsWith(QLatin1Char('-'))) {
            if (arg == QLatin1String("-after")) {
                after = true;
            } else if (arg == QLatin1String("-config")) {
                isConf = true;
            } else if (arg == QLatin1String("-win32")) {
                dir_sep = QLatin1Char('\\');
                target_mode = TARG_WIN_MODE;
            } else if (arg == QLatin1String("-unix")) {
                dir_sep = QLatin1Char('/');
                target_mode = TARG_UNIX_MODE;
            } else if (arg == QLatin1String("-macx")) {
                dir_sep = QLatin1Char('/');
                target_mode = TARG_MACX_MODE;
            }
        } else if (arg.contains(QLatin1Char('='))) {
            if (after)
                _postcmds << arg;
            else
                _precmds << arg;
        }
    }

    if (!_preconfigs.isEmpty())
        _precmds << (fL1S("CONFIG += ") + _preconfigs.join(fL1S(" ")));
    precmds = _precmds.join(fL1S("\n"));
    if (!_postconfigs.isEmpty())
        _postcmds << (fL1S("CONFIG += ") + _postconfigs.join(fL1S(" ")));
    postcmds = _postcmds.join(fL1S("\n"));
}

QString QMakeGlobals::getEnv(const QString &var) const
{
#ifndef QT_BOOTSTRAPPED
    if (!environment.isEmpty())
        return environment.value(var);
#endif
    return QString::fromLocal8Bit(qgetenv(var.toLocal8Bit().constData()));
}

#ifdef PROEVALUATOR_INIT_PROPS
bool QMakeGlobals::initProperties(const QString &qmake)
{
    QByteArray data;
#ifndef QT_BOOTSTRAPPED
    QProcess proc;
    proc.start(qmake, QStringList() << QLatin1String("-query"));
    if (!proc.waitForFinished())
        return false;
    data = proc.readAll();
#else
    if (FILE *proc = QT_POPEN(QString(IoUtils::shellQuote(qmake) + QLatin1String(" -query"))
                              .toLocal8Bit(), "r")) {
        char buff[1024];
        while (!feof(proc))
            data.append(buff, int(fread(buff, 1, 1023, proc)));
        QT_PCLOSE(proc);
    }
#endif
    foreach (QByteArray line, data.split('\n'))
        if (!line.startsWith("QMAKE_")) {
            int off = line.indexOf(':');
            if (off < 0) // huh?
                continue;
            if (line.endsWith('\r'))
                line.chop(1);
            properties.insert(QString::fromLatin1(line.left(off)),
                              QString::fromLocal8Bit(line.mid(off + 1)));
        }
    return true;
}
#endif

QT_END_NAMESPACE