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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** 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 The Qt Company.  For licensing terms and
** conditions see http://www.qt.io/terms-conditions.  For further information
** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights.  These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#ifndef IOUTPUTPARSER_H
#define IOUTPUTPARSER_H

#include "projectexplorer_export.h"
#include "buildstep.h"

#include <QString>

namespace ProjectExplorer {
class Task;

// Documentation inside.
class PROJECTEXPLORER_EXPORT IOutputParser : public QObject
{
    Q_OBJECT
public:
    IOutputParser();
    ~IOutputParser();

    virtual void appendOutputParser(IOutputParser *parser);

    IOutputParser *takeOutputParserChain();

    IOutputParser *childParser() const;
    void setChildParser(IOutputParser *parser);

    virtual void stdOutput(const QString &line);
    virtual void stdError(const QString &line);

    virtual bool hasFatalErrors() const;
    // For GnuMakeParser
    virtual void setWorkingDirectory(const QString &workingDirectory);

    void flush(); // flush out pending tasks

    static QString rightTrimmed(const QString &in);

signals:
    void addOutput(const QString &string, ProjectExplorer::BuildStep::OutputFormat format);
    void addTask(const ProjectExplorer::Task &task);

public slots:
    virtual void outputAdded(const QString &string, ProjectExplorer::BuildStep::OutputFormat format);
    virtual void taskAdded(const ProjectExplorer::Task &task);

private:
    virtual void doFlush();

    IOutputParser *m_parser;
};

} // namespace ProjectExplorer

Q_DECLARE_METATYPE(ProjectExplorer::IOutputParser*)

#endif // IOUTPUTPARSER_H