quakeforge/libs/object/Collection.c

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/*
Collection.c
Abstract class for collections of objects
Copyright (C) 2003 Brian Koropoff
Author: Brian Koropoff
Date: December 03, 2003
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#include "QF/dstring.h"
#include "QF/classes/Collection.h"
static String *
Collection_ToString_f (Object *self)
{
Iterator *iter = methodCall(COLLECTION(self), iterator);
dstring_t *dstr = dstring_newstr();
Object *o;
String *ret;
dstring_appendstr (dstr, "[");
while ((o = methodCall(iter, next))) {
String *s = methodCall(o, toString);
dstring_appendstr (dstr, s->str);
if (methodCall(iter, hasNext))
dstring_appendstr (dstr, ", ");
}
dstring_appendstr (dstr, "]");
ret = new(String, dstr->str);
dstring_delete (dstr);
return ret;
}
static qboolean
Collection_Contains_f (Collection *self, Object *test)
{
Iterator *iter = methodCall(self, iterator);
Object *o;
while ((o = methodCall(iter, next)))
if (o == test)
return true;
return false;
}
static Object *
Collection_Init_f (Object *self, Class *type, Collection *source)
{
superInit(Collection, self);
COLLECTION(self)->contains = Collection_Contains_f;
COLLECTION(self)->count = 0;
COLLECTION(self)->type = type;
self->toString = Collection_ToString_f;
// FIXME allow for subclasses too
if (source && source->type == type) {
Iterator *iter = methodCall(source, iterator);
Object *o;
while ((o = methodCall(iter, next)))
methodCall(COLLECTION(self), add, o);
}
return self;
}
static void
Collection_Deinit_f (Object *self)
{
}
classInitFunc(Collection) {
classObj (Collection) = new (Class,
"Collection", sizeof(Collection), classObj(Object),
Collection_Init_f, Collection_Deinit_f, true);
}