ZTextFeed.h

Go to the documentation of this file.

/*
 * Zuble - A run-time system for QML/Javascript applications
 * Copyright (C) 2010-2011, 2014  Bob Dinitto
 *
 * ZTextFeed.h
 *
 *  Created on: Dec 7, 2010
 *      Author: Bob Dinitto
 *
 * Copyright (c) 2010-2011 Bob Dinitto
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
*/

#ifndef ZZTextFeed_H_
#define ZZTextFeed_H_

#include "zblcore_global.h"

#include  <QObject>
#include <QString>
#include <QException>
#include <QTextStream>

namespace Zbl
{

 class ZBLCORESHARED_EXPORT ZTextFeed : public QObject
{
     Q_OBJECT
public:

    ZTextFeed();
    virtual ~ZTextFeed();

 signals:

 void dataReady( const QString& text );


    public slots:

    void send( const QString& text );

    ZTextFeed& flush();


public:

    ZTextFeed& operator<<( const QString& text );
    ZTextFeed& operator<<( const char* text );

    ZTextFeed& operator<<( const int i );

// TODO: add operator<< methods for common data types


    bool getFlushOnEOL();

    void setFlushOnEOL(bool bFlushOnEOL);

protected:

    QString m_textbuf;

        bool m_bFlushEOL;

 };

ZTextFeed& tfendl( ZTextFeed& feed );

typedef ZTextFeed& (*Omanip)(ZTextFeed&);

inline ZTextFeed& operator<<(ZTextFeed& tf, Omanip f)
{
        return f(tf);
}

inline QTextStream& operator>>(QTextStream& ts, ZTextFeed& tf)
{
    ts.flush();

    QMetaObject::invokeMethod(&tf, "send",
             Qt::AutoConnection, Q_ARG(QString, ts.readAll()));

    return ts;
}

} //Zbl


#endif /* ZZTextFeed_H_ */