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/* TABLIX, PGA general timetable solver */
/* Copyright (C) 2007 Tomaz Solc */
/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* $Id: fixed.c,v 1.1 2007-05-28 20:01:23 avian Exp $ */
/** @module
*
* @author Tomaz Solc
* @author-email tomaz.solc@tablix.org
*
* @brief Specifies that a particular event must use a specified resource.
*
* This module allows you to make a fixed assignement of a certain variable
* resource to a certain event.
*
* There is no fitness function, so the "weight" and "mandatory" module
* options are ignored (restrictions set by this module are always mandatory).
*
* This module works with any combination of defined resource types. For each
* resource type a "fixed-xxx" event restriction is defined, where xxx is
* replaced with the name of a variable resource type.
*
* Consider the following example:
*
* <event name="example" repeats="2">
* ...
* <restriction type="fixed-room">10</restriction>
* </event>
*
* This will force both repeats of the event "example" to be scheduled in the
* room 10. Of course the room resource type must be defined somewhere in the
* rest of the XML file.
*
* @ingroup General
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "module.h"
#define NAMELEN 256
#define NAMEPREFIX "fixed-"
int fixed_handler(char *restriction, char *cont, tupleinfo *tuple)
{
char *type;
resourcetype *restype;
int resid;
type=&restriction[strlen(NAMEPREFIX)];
restype=restype_find(type);
assert(restype!=NULL);
resid=res_findid(restype, cont);
if(resid==INT_MIN) {
error(_("Can't find resource '%s' in resource type '%s'"),
cont, type);
return(-1);
}
domain_and(tuple->dom[restype->typeid], &resid, 1);
return 0;
}
int module_init(moduleoption *opt)
{
int n;
char name[NAMELEN];
for(n=0;n<dat_typenum;n++) {
strcpy(name, NAMEPREFIX);
strncat(name, dat_restype[n].type,
NAMELEN-strlen(NAMEPREFIX)-1);
handler_tup_new(name, fixed_handler);
}
return(0);
}
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