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/********************************************************************
* Description: nmlmsg.hh
*
* Derived from a work by Fred Proctor & Will Shackleford
*
* Author:
* License: LGPL Version 2
* System: Linux
*
* Copyright (c) 2004 All rights reserved.
*
* Last change:
********************************************************************/
#ifndef NMLMSG_HH
#define NMLMSG_HH
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h> /* size_t */
#ifdef __cplusplus
};
#endif
/* Definitions from other Header files. */
class CMS; /* Use only partial definition to avoid */
/* depending on cms.hh */
#include "nml_type.hh"
/* Class NMLmsg */
/* Base class for all types that can be written to NML. */
/* The constructor is protected so that to users cannot send messages */
/* without deriving their own classes from NMLmsg. */
/* Derived classes should pass the type and size to the NMLmsg constructor. */
/* and define their own update function. */
class NMLmsg {
protected:
NMLmsg(NMLTYPE t, long s);
NMLmsg(NMLTYPE t, size_t s);
/* This second constructor never clears the message regardless of what is
in nmlmsg. The value of noclear is irrelevent but adding it changes
which constructor is called. */
NMLmsg(NMLTYPE t, long s, int noclear);
public:
void clear();
static int automatically_clear; /* controls whether NMLmsgs are set
to zero in the constructor. */
NMLTYPE type; /* Each derived type should have a unique id */
long size; /* The size is used so that the entire buffer
is not copied unneccesarily. */
void update(CMS *);
};
// This is just a symbol passed to the RCS Java Tools (CodeGen, RCS-Design, RCS-Diagnostis)
#define NML_DYNAMIC_LENGTH_ARRAY
#define DECLARE_NML_DYNAMIC_LENGTH_ARRAY(type, name, size) int name##_length; type name[size];
#endif /* !defined(NMLMSG_HH) */
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