/**************************************************************************
**
** Copyright (C) 2012 Openismus GmbH.
** Authors: Peter Penz (ppenz@openismus.com)
**          Patricia Santana Cruz (patriciasantanacruz@gmail.com)
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#include "makefileparserthread.h"

#include <QMutexLocker>

using namespace AutotoolsProjectManager::Internal;

MakefileParserThread::MakefileParserThread(const QString &makefile) :
    QThread(),
    m_parser(makefile),
    m_mutex(),
    m_hasError(false),
    m_executable(),
    m_sources(),
    m_makefiles(),
    m_includePaths()
{
    connect(&m_parser, SIGNAL(status(QString)), this, SIGNAL(status(QString)));
}

QStringList MakefileParserThread::sources() const
{
    QMutexLocker locker(&m_mutex);
    return m_sources;
}

QStringList MakefileParserThread::makefiles() const
{
    QMutexLocker locker(&m_mutex);
    return m_makefiles;
}

QString MakefileParserThread::executable() const
{
    QMutexLocker locker(&m_mutex);
    return m_executable;
}

QStringList MakefileParserThread::includePaths() const
{
    QMutexLocker locker(&m_mutex);
    return m_includePaths;
}

bool MakefileParserThread::hasError() const
{
    QMutexLocker locker(&m_mutex);
    return m_hasError;
}

bool MakefileParserThread::isCanceled() const
{
    // MakefileParser::isCanceled() is thread-safe
    return m_parser.isCanceled();
}

void MakefileParserThread::cancel()
{
    m_parser.cancel();
}

void MakefileParserThread::run()
{
    const bool success = m_parser.parse();

    // Important: Start locking the mutex _after_ the parsing has been finished, as
    // this prevents long locks if the caller reads a value before the signal
    // finished() has been emitted.
    QMutexLocker locker(&m_mutex);
    m_hasError = !success;
    m_executable = m_parser.executable();
    m_sources = m_parser.sources();
    m_makefiles = m_parser.makefiles();
    m_includePaths = m_parser.includePaths();
}