The Simons     Component Library

           

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FileStream.h

//
//  SCL : Simons Component Library
//
//
//  Filename:   FileStream.h
//  Contents:   FileStream class
//  Author:     Anthony J H Simons
//  Revised:    6 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_FILE_STREAM
#define SCL_FILE_STREAM

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

#include "StringID.h"           // Depend on the pointer type


class FileStream : public Stream {
protected:
        static Boolean locking;         
        StringID pathName;              
        FileStream(const FileStream&);
        Boolean acquireLock() const;
        Boolean releaseLock() const;
        Void fileNotFound() const;
        Void accessDenied() const;
public:
        static Void setLocking(Boolean);
        FileStream();
        FileStream(StringID);
        virtual ~FileStream();
        virtual StringID name() const;
        virtual Boolean log() const;
        virtual Void openOn(StringID);
        virtual Void openLogOn(StringID);
        virtual Void openLog();
};


inline Void FileStream::setLocking(Boolean setting) {
        locking = setting;
}


inline FileStreamID::FileStreamID() {}

inline FileStreamID::~FileStreamID() {}

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

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


#endif

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