/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Build Suite.
**
** 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.
**
****************************************************************************/

#ifndef QBS_PROCESSCOMMANDEXECUTOR_H
#define QBS_PROCESSCOMMANDEXECUTOR_H

#include "abstractcommandexecutor.h"

#include <QProcess>
#include <QProcessEnvironment>
#include <QString>

namespace qbs {
class ProcessResult;

namespace Internal {
class ProcessCommand;

class ProcessCommandExecutor : public AbstractCommandExecutor
{
    Q_OBJECT
public:
    explicit ProcessCommandExecutor(const Internal::Logger &logger, QObject *parent = 0);

    void setProcessEnvironment(const QProcessEnvironment &processEnvironment) {
        m_buildEnvironment = processEnvironment;
    }

signals:
    void reportProcessResult(const qbs::ProcessResult &result);

private slots:
    void onProcessError();
    void onProcessFinished(int exitCode);

private:
    void doStart();
    void waitForFinished();

    void startProcessCommand();
    QString filterProcessOutput(const QByteArray &output, const QString &filterFunctionSource);
    void sendProcessOutput(bool success);
    void removeResponseFile();
    QString findProcessCommandInPath();
    QString findProcessCommandBySuffix();
    bool findProcessCandidateCheck(const QString &directory, const QString &program,
            QString &fullProgramPath);
    const ProcessCommand *processCommand() const;

private:
    static const QStringList m_executableSuffixes;
    QString m_program;
    QStringList m_arguments;

    QProcess m_process;
    QProcessEnvironment m_buildEnvironment;
    QString m_responseFileName;
};

} // namespace Internal
} // namespace qbs

#endif // QBS_PROCESSCOMMANDEXECUTOR_H