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Decompressor.h

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#ifndef CLASSLIB_DECOMPRESSOR_H
# define CLASSLIB_DECOMPRESSOR_H

//<<<<<< INCLUDES                                                       >>>>>>

# include "classlib/sysapi/system.h"
# include "classlib/iobase/IOBuffer.h"

namespace lat {
//<<<<<< PUBLIC DEFINES                                                 >>>>>>
//<<<<<< PUBLIC CONSTANTS                                               >>>>>>
//<<<<<< PUBLIC TYPES                                                   >>>>>>
//<<<<<< PUBLIC VARIABLES                                               >>>>>>
//<<<<<< PUBLIC FUNCTIONS                                               >>>>>>
//<<<<<< CLASS DECLARATIONS                                             >>>>>>

class Decompressor
{
public:
    virtual ~Decompressor (void);

    // Global compressor state
    virtual void        reset (void) = 0;
    virtual void        end (void) = 0;

    // Input management
    virtual bool        more (void) const = 0;
    virtual void        input (const void *buffer, IOSize length) = 0;
    virtual IOSize      rest (void) const = 0;

    // Compression
    virtual bool        finished (void) const = 0;
    virtual IOSize      decompress (void *into, IOSize length) = 0;

    // Statistics
    virtual unsigned    checksum (void) const = 0;
    virtual IOOffset    in (void) const = 0;
    virtual IOOffset    out (void) const = 0;
};

//<<<<<< INLINE PUBLIC FUNCTIONS                                        >>>>>>
//<<<<<< INLINE MEMBER FUNCTIONS                                        >>>>>>

} // namespace lat
#endif // CLASSLIB_DECOMPRESSOR_H

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