/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** 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
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** 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.
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****************************************************************************/

#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