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WriteBuffer.h

Go to the documentation of this file.

#ifndef CLASSLIB_WRITE_BUFFER_H
# define CLASSLIB_WRITE_BUFFER_H

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

# include "classlib/sysapi/system.h"
# include "classlib/sysapi/IOTypes.h"

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

class WriteBuffer
{
public:
    enum { DEFAULT_SIZE = 4096 }; //< Default buffer size.
    WriteBuffer (IOSize bufsize = DEFAULT_SIZE);
    WriteBuffer (const WriteBuffer &x);
    WriteBuffer &operator= (const WriteBuffer &x);
    ~WriteBuffer (void);

    IOSize              size (void) const;
    IOSize              capacity (void) const;

    unsigned char *     dirty (void) const;
    unsigned char *     buffer (void) const;
    unsigned char *     current (void) const;
    unsigned char *     limit (void) const;

    void                reset (void);

    void                bump (IOSize n);
    void                put (const void *data, IOSize n);
    void                taken (IOSize n);

private:
    unsigned char       *m_buffer;
    unsigned char       *m_current;
    unsigned char       *m_limit;
    unsigned char       *m_dirty;
};

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

} // namespace lat
#endif // CLASSLIB_WRITE_BUFFER_H

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