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/* -*- c -*- */
/*
* output.h
*
* chpp
*
* Copyright (C) 1997-1998 Mark Probst
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __OUTPUT_H__
#define __OUTPUT_H__
#include <stdio.h>
#include "dynstring.h"
#include "value.h"
typedef struct _outputWriter
{
void (*outChar) (void*, char);
void (*outString) (void*, const char*, int);
void (*outValue) (void*, value*, int);
int enabled;
void *state;
} outputWriter;
typedef struct
{
value *theValue;
int byReference;
int needCopy;
} outputStateValue;
outputWriter owNewDummy (void);
outputWriter owNewDynstring (dynstring *ds);
outputWriter owNewFile (FILE *file);
outputWriter owNewValue (int byReference);
value* owValueValue (outputWriter *ow);
int owValueNeedCopy (outputWriter *ow);
#define OUT_CHAR(ow,c) { if ((ow)->enabled) ((ow)->outChar((ow)->state,(c))); }
#define OUT_STRING(ow,s,l) { if ((ow)->enabled) ((ow)->outString((ow)->state,(s),(l))); }
#define OUT_VALUE(ow,v) { if ((ow)->enabled) ((ow)->outValue((ow)->state,(v),0)); }
#define OUT_VALUE_REF(ow,v) { if ((ow)->enabled) ((ow)->outValue((ow)->state,(v),1)); }
#endif
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