diff options
Diffstat (limited to 'runtime/ctok_token.c')
| -rw-r--r-- | runtime/ctok_token.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/runtime/ctok_token.c b/runtime/ctok_token.c new file mode 100644 index 00000000..0f340675 --- /dev/null +++ b/runtime/ctok_token.c @@ -0,0 +1,131 @@ +/* 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: + */ |