iterable.h
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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/>.
*/
#ifndef __TR_INTERFACE_ITERABLE_H__
#define __TR_INTERFACE_ITERABLE_H__
#include "trbase.h"
typedef void * (* fptr_TR_iterableCurrent)(void *);
typedef void (* fptr_TR_iterableNext)(void *);
typedef void (* fptr_TR_iterableRewind)(void *);
typedef int (* fptr_TR_iterableValid)(void *);
TR_INTERFACE(TR_Iterable) {
TR_IFID;
fptr_TR_iterableCurrent current;
fptr_TR_iterableNext next;
fptr_TR_iterableRewind rewind;
fptr_TR_iterableValid valid;
};
#define TR_iterableForeach(this) \
TR_iterableRewind((this)); \
for (; TR_iterableValid((this)); TR_iterableNext((this)))
inline
void *
TR_iterableCurrent(void * iterable)
{
void * ret;
TR_RETCALL(iterable, TR_Iterable, current, ret);
return ret;
}
inline
void
TR_iterableNext(void * iterable)
{
TR_CALL(iterable, TR_Iterable, next);
}
inline
void
TR_iterableRewind(void * iterable)
{
TR_CALL(iterable, TR_Iterable, rewind);
}
inline
int
TR_iterableValid(void * iterable)
{
int ret;
TR_RETCALL(iterable, TR_Iterable, valid, ret);
return ret;
}
#endif // __TR_INTERFACE_ITERABLE_H__
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