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/* The expr object.
*
* Copyright 2008-2012 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of the rsyslog runtime library.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INCLUDED_EXPR_H
#define INCLUDED_EXPR_H
#include "obj.h"
#include "ctok.h"
#include "vmprg.h"
#include "stringbuf.h"
/* a node inside an expression tree */
typedef struct exprNode_s {
char dummy;
} exprNode_t;
/* the expression object */
typedef struct expr_s {
BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
vmprg_t *pVmprg; /* the expression in vmprg format - ready to execute */
} expr_t;
/* interfaces */
BEGINinterface(expr) /* name must also be changed in ENDinterface macro! */
INTERFACEObjDebugPrint(expr);
rsRetVal (*Construct)(expr_t **ppThis);
rsRetVal (*ConstructFinalize)(expr_t __attribute__((unused)) *pThis);
rsRetVal (*Destruct)(expr_t **ppThis);
rsRetVal (*Parse)(expr_t *pThis, ctok_t *ctok);
ENDinterface(expr)
#define exprCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
/* prototypes */
PROTOTYPEObj(expr);
#endif /* #ifndef INCLUDED_EXPR_H */
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