The Simons     Component Library

           

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FormatStream.h

//
//  SCL : Simons Component Library
//
//
//  Filename:   FormatStream.h
//  Contents:   FormatStream class
//  Author:     Anthony J H Simons
//  Revised:    5 December 2005

// This software is distributed free in the hope that others will
// find it useful.  However, it comes WITHOUT ANY WARRANTY.  No
// liability can be accepted for software failure, merchantability
// or fitness for a particular purpose.  You can redistribute this
// software in its original form, or in a modified form, provided
// that this disclaimer is retained in the file banner.

#ifndef SCL_FORMAT_STREAM
#define SCL_FORMAT_STREAM

#include "Stream.h"             // Include the superclass type
#include "FormatStreamID.h"     // Include the pointer type

#include "StringID.h"           // Depend on the pointer types
#include "FileStreamID.h"


class FormatStream : public Stream {
protected:
        FormatStream(const FormatStream&);
        virtual FileStreamID fileStream() const;
public:
        FormatStream();
        virtual ~FormatStream();
        virtual Void openOn(StringID);
        virtual Void open();
        virtual Void close();
        virtual StringID name() const;
        virtual Boolean exists() const;
        virtual Boolean empty() const;
        virtual Boolean ready() const;
        virtual Boolean failed() const;
        virtual Boolean source() const;
        virtual Boolean sink() const;
};



inline FormatStreamID::FormatStreamID() {}

inline FormatStreamID::~FormatStreamID() {}

inline FormatStreamID::FormatStreamID(const Null* null) :
        StreamID(null) {}
        
inline FormatStreamID::FormatStreamID(const FormatStream* stream) :
        StreamID(stream) {}
        
inline FormatStreamID::FormatStreamID(const FormatStreamID& pointer) :
        StreamID(pointer) {}
        
inline FormatStreamID& FormatStreamID::operator=(const FormatStream* stream) {
        assign(stream);
        return *this;
}

inline FormatStreamID& FormatStreamID::operator=(const FormatStreamID& pointer) {
        assign(pointer);
        return *this;
}


#endif

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