//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
//
// MessageBuffer - handy for packing and upacking
// structures to be sent as messages
//
#ifndef _MESSAGEBUFFER
#define _MESSAGEBUFFER

#include <stdio.h>
#define DEFAULT_MESSAGE_BUFFER_SIZE 2048

class MessageBuffer {
   public:
    char *data;

    MessageBuffer();
    MessageBuffer(int size);
    ~MessageBuffer();

    int getSize();
    int getLen();
    int setLen(int len);
    int getOffset();
    int setOffset(int offset);

    int write(void const *p, int bytes);
    int update(int loc, void const *p, int bytes);
    int extract(int loc, void *p, int bytes);
    int read(void *p, int bytes);

    int WriteString(const char *pString);
    int ReadString(char *pOut, int bufferLength);

    void clear();
    void clear(int minsize);
    void reset(int minsize);
    void print(FILE *ofile, int num);

   private:
    void resize(int minsize);
    int size;
    int offset;
    int len;
};

#endif