vabstractfilestream.h

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/*
Copyright c1997-2014 Trygve Isaacson. All rights reserved.
This file is part of the Code Vault version 4.1
http://www.bombaydigital.com/
License: MIT. See LICENSE.md in the Vault top level directory.
*/

#ifndef vabstractfilestream_h
#define vabstractfilestream_h

#include "vstream.h"

#include "vfsnode.h"

class VAbstractFileStream : public VStream {
    public:

        VAbstractFileStream();
        VAbstractFileStream(const VFSNode& node);
        virtual ~VAbstractFileStream() {}

        void setNode(const VFSNode& node);
        const VFSNode& getNode() const;

        virtual void openReadOnly() = 0;
        virtual void openReadWrite() = 0;
        virtual void openWrite() = 0;
        virtual bool isOpen() const = 0;
        virtual void close() = 0;

        // In addition to the pure virtual methods defined above, the
        // concrete subclass must also implement the stream methods
        // defined by VStream (read, write, flush, skip, seek,
        // offset, available).

    protected:

        void _throwIfOpenFailed(const VString& failedMethod, const VString& path);

        VFSNode mNode;  

};

#endif /* vabstractfilestream_h */