FileInStream.h

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#ifndef FILEINSTREAM_H_
#define FILEINSTREAM_H_

#include <cstdio>

#include "InStream.h"
#include "utils/Mutex.h"

class FileInStream : public InStream
{
public:

    FileInStream( FILE* file = NULL, bool autoClose = false );

    FileInStream( const char* filename );

    virtual ~FileInStream();

    void close();

    virtual InStream& read( char* buffer, size_t num );

    void setFile( FILE* file, const char* filename )
    {
        file_ = file;
        filename_ = filename;
        zeroTotalBytesRead();
    }

    bool seek( unsigned int location );

    virtual bool eof();

    virtual void clearErr();

    bool isReadable()
    {
        return NULL != file_;
    }

    const char* getName()
    {
        return filename_.cStr();
    }


protected:
    FILE* file_;
    bool autoClose_;
    Mutex fileMutex_;

private:
    // Note that the copy constructor below is private and not given a body.
    // Any attempt to call it will return a compiler error.
    FileInStream( const FileInStream& old ); // disallow copy constructor
    Str filename_;
};

#endif /*FILEINSTREAM_H_*/