PtlParamStream.h

// PtlParamInput.h
// Copyright (C) 2013-2018 Antenna House,Inc.
// All rights reserved.
#ifndef PDFTK_PTLPARAMSTREAM_H_
#define PDFTK_PTLPARAMSTREAM_H_
 
#include "PtlParamString.h"
 
namespace PdfTk {

class PDFTK_API PtlParamStream 
{
protected:
    bool m_canRead;
    bool m_canWrite;
 
public:
    PtlParamStream() {m_canRead = false; m_canWrite = false;}

    virtual ‾PtlParamStream() {}
 
public:
    bool canRead() const { return m_canRead; }

    bool canWrite() const { return m_canWrite; }

    virtual bool open() = 0;

    virtual void close() {};

    virtual int read(char* pBuf, int len) {return -1;}

    virtual int write(char* pBuf, int len) {return -1;}

    virtual long seekoff(long off, int way, int which) {return -1;}

    virtual PtlParamString getPath() const = 0;
};
 
} // namespace PdfTk
 
#endif // PDFTK_PTLPARAM_INPUT_H_