1 /* ctok_token - implements the token_t class.
3 * Module begun 2008-02-20 by Rainer Gerhards
5 * Copyright 2008 Rainer Gerhards and Adiscon GmbH.
7 * This file is part of the rsyslog runtime library.
9 * The rsyslog runtime library is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * The rsyslog runtime library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
22 * A copy of the GPL can be found in the file "COPYING" in this distribution.
23 * A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
34 #include "ctok_token.h"
41 /* Standard-Constructor
43 BEGINobjConstruct(ctok_token) /* be sure to specify the object type also in END macro! */
44 /* TODO: we may optimize the code below and alloc var only if actually
45 * needed (but we need it quite often)
47 CHKiRet(var.Construct(&pThis->pVar));
48 CHKiRet(var.ConstructFinalize(pThis->pVar));
50 ENDobjConstruct(ctok_token)
53 /* ConstructionFinalizer
54 * rgerhards, 2008-01-09
56 rsRetVal ctok_tokenConstructFinalize(ctok_token_t __attribute__((unused)) *pThis)
63 /* destructor for the ctok object */
64 BEGINobjDestruct(ctok_token) /* be sure to specify the object type also in END and CODESTART macros! */
65 CODESTARTobjDestruct(ctok_token)
66 if(pThis->pVar != NULL) {
67 var.Destruct(&pThis->pVar);
69 ENDobjDestruct(ctok_token)
72 /* get the cstr_t from the token, but do not destruct it. This is meant to
73 * be used by a caller who passes on the string to some other function. The
74 * caller is responsible for destructing it.
75 * rgerhards, 2008-02-20
78 ctok_tokenUnlinkVar(ctok_token_t *pThis, var_t **ppVar)
82 ISOBJ_TYPE_assert(pThis, ctok_token);
83 ASSERT(ppVar != NULL);
92 /* tell the caller if the supplied token is a compare operation */
93 static int ctok_tokenIsCmpOp(ctok_token_t *pThis)
95 return(pThis->tok >= ctok_CMP_EQ && pThis->tok <= ctok_CMP_GTEQ);
98 /* queryInterface function
99 * rgerhards, 2008-02-21
101 BEGINobjQueryInterface(ctok_token)
102 CODESTARTobjQueryInterface(ctok_token)
103 if(pIf->ifVersion != ctok_tokenCURR_IF_VERSION) { /* check for current version, increment on each change */
104 ABORT_FINALIZE(RS_RET_INTERFACE_NOT_SUPPORTED);
107 /* ok, we have the right interface, so let's fill it
108 * Please note that we may also do some backwards-compatibility
109 * work here (if we can support an older interface version - that,
110 * of course, also affects the "if" above).
112 //xxxpIf->oID = OBJctok_token;
114 pIf->Construct = ctok_tokenConstruct;
115 pIf->ConstructFinalize = ctok_tokenConstructFinalize;
116 pIf->Destruct = ctok_tokenDestruct;
117 pIf->UnlinkVar = ctok_tokenUnlinkVar;
118 pIf->IsCmpOp = ctok_tokenIsCmpOp;
120 ENDobjQueryInterface(ctok_token)
123 BEGINObjClassInit(ctok_token, 1, OBJ_IS_CORE_MODULE) /* class, version */
124 /* request objects we use */
125 CHKiRet(objUse(var, CORE_COMPONENT));
127 OBJSetMethodHandler(objMethod_CONSTRUCTION_FINALIZER, ctok_tokenConstructFinalize);
128 ENDObjClassInit(ctok_token)