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/* ctok_token - implements the token_t class.
*
* Module begun 2008-02-20 by Rainer Gerhards
*
* Copyright 2008 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of the rsyslog runtime library.
*
* The rsyslog runtime library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The rsyslog runtime library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
* A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
*/
#include "config.h"
#include <stdlib.h>
#include <ctype.h>
#include <strings.h>
#include <assert.h>
#include "rsyslog.h"
#include "template.h"
#include "ctok_token.h"
/* static data */
DEFobjStaticHelpers
DEFobjCurrIf(var)
/* Standard-Constructor
*/
BEGINobjConstruct(ctok_token) /* be sure to specify the object type also in END macro! */
/* TODO: we may optimize the code below and alloc var only if actually
* needed (but we need it quite often)
*/
CHKiRet(var.Construct(&pThis->pVar));
CHKiRet(var.ConstructFinalize(pThis->pVar));
finalize_it:
ENDobjConstruct(ctok_token)
/* ConstructionFinalizer
* rgerhards, 2008-01-09
*/
rsRetVal ctok_tokenConstructFinalize(ctok_token_t __attribute__((unused)) *pThis)
{
DEFiRet;
RETiRet;
}
/* destructor for the ctok object */
BEGINobjDestruct(ctok_token) /* be sure to specify the object type also in END and CODESTART macros! */
CODESTARTobjDestruct(ctok_token)
if(pThis->pVar != NULL) {
var.Destruct(&pThis->pVar);
}
ENDobjDestruct(ctok_token)
/* get the cstr_t from the token, but do not destruct it. This is meant to
* be used by a caller who passes on the string to some other function. The
* caller is responsible for destructing it.
* rgerhards, 2008-02-20
*/
static rsRetVal
ctok_tokenUnlinkVar(ctok_token_t *pThis, var_t **ppVar)
{
DEFiRet;
ISOBJ_TYPE_assert(pThis, ctok_token);
ASSERT(ppVar != NULL);
*ppVar = pThis->pVar;
pThis->pVar = NULL;
RETiRet;
}
/* tell the caller if the supplied token is a compare operation */
static int ctok_tokenIsCmpOp(ctok_token_t *pThis)
{
return(pThis->tok >= ctok_CMP_EQ && pThis->tok <= ctok_CMP_GTEQ);
}
/* queryInterface function
* rgerhards, 2008-02-21
*/
BEGINobjQueryInterface(ctok_token)
CODESTARTobjQueryInterface(ctok_token)
if(pIf->ifVersion != ctok_tokenCURR_IF_VERSION) { /* check for current version, increment on each change */
ABORT_FINALIZE(RS_RET_INTERFACE_NOT_SUPPORTED);
}
/* ok, we have the right interface, so let's fill it
* Please note that we may also do some backwards-compatibility
* work here (if we can support an older interface version - that,
* of course, also affects the "if" above).
*/
//xxxpIf->oID = OBJctok_token;
pIf->Construct = ctok_tokenConstruct;
pIf->ConstructFinalize = ctok_tokenConstructFinalize;
pIf->Destruct = ctok_tokenDestruct;
pIf->UnlinkVar = ctok_tokenUnlinkVar;
pIf->IsCmpOp = ctok_tokenIsCmpOp;
finalize_it:
ENDobjQueryInterface(ctok_token)
BEGINObjClassInit(ctok_token, 1, OBJ_IS_CORE_MODULE) /* class, version */
/* request objects we use */
CHKiRet(objUse(var, CORE_COMPONENT));
OBJSetMethodHandler(objMethod_CONSTRUCTION_FINALIZER, ctok_tokenConstructFinalize);
ENDObjClassInit(ctok_token)
/* vi:set ai:
*/
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