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#ifndef __BUFFER_H__
#define __BUFFER_H__
#include <zlib.h>
#include <Exceptions.h>
#include <Handle.h>
#ifndef realloc_threshold
#define realloc_threshold 256
#endif
class Buffer : public Handle {
public:
Buffer(bool seekable = false);
Buffer(const Buffer &);
virtual ~Buffer();
virtual ssize_t write(const void *buf, size_t count) throw(GeneralException);
virtual ssize_t read(void *buf, size_t count) throw (GeneralException);
virtual bool CanRead() const;
virtual bool CanWrite() const;
virtual String GetName() const;
virtual Buffer operator=(const Buffer &);
virtual bool CanWatch() const;
virtual ssize_t GetSize() const;
virtual bool CanSeek() const;
virtual off_t seek(off_t, int = SEEK_SET) throw (GeneralException);
virtual off_t tell() const;
Byte operator[](size_t) const;
Byte & operator[](size_t);
off_t wseek(off_t, int = SEEK_SET) throw (GeneralException);
off_t wtell() const;
private:
Byte * buffer, zero;
size_t realsiz, bufsiz, ptr, wptr;
bool seekable;
};
#endif
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