list.c
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdarg.h>
#include "trbase.h"
#include "tr/list.h"
#include "tr/interface/iterable.h"
static
int
listCtor(void * _this, va_list * params)
{
TR_List this = _this;
this->data = (void **)TR_malloc(32 * sizeof(void *));
this->size = TR_getUsableSize(this->data) / sizeof(void *);
this->start = this->end = this->current = 0;
this->free_msgs = 1;
return 0;
}
static
void
listDtor(void * _this)
{
TR_List this = _this;
size_t i;
if (this->free_msgs) {
for (
i = this->start;
i != this->end;
i = i + 1 == this->size ? 0 : i + 1) {
if (this->data[i]) {
TR_delete(this->data[i]);
}
}
}
TR_MEM_FREE(this->data);
}
static
void *
listCurrent(void * _this)
{
TR_List this = _this;
return this->data[this->current];
}
static
void
listNext(void * _this)
{
TR_List this = _this;
this->current = this->current + 1 == this->size ? 0 : this->current + 1;
}
static
void
listRewind(void * _this)
{
TR_List this = _this;
this->current = this->start;
}
static
int
listValid(void * _this)
{
TR_List this = _this;
return this->current != this->end;
}
TR_INIT_IFACE(TR_Class, listCtor, listDtor, NULL);
TR_INIT_IFACE(TR_Iterable, listCurrent, listNext, listRewind, listValid);
TR_CREATE_CLASS(TR_List, NULL, NULL, TR_IF(TR_Class), TR_IF(TR_Iterable));
// vim: set ts=4 sw=4: