/***************************** {{{ LICENSE ********************************\
 * dbobj, the relational object persistence module for PHP                  *
 * Copyright (C) 2006 Adam Banko                                            *
 *                                                                          *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
 \***************************** LICENSE }}} ********************************/
#ifndef DBOBJ_DBOBJ_ITERATOR_H
#define DBOBJ_DBOBJ_ITERATOR_H
#include "php_dbobj.h"
#include "dbobj.h"
#include "dbDriver.h"

typedef struct _knownPropsT {
	struct _basicPropConfig* config;
	dbVal value;
} knownPropsT;

typedef struct _dbobjIterator {
	enum iteratorPosition {
		ITERATOR_FIRST,
		ITERATOR_MIDDLE, //between first and last
		ITERATOR_AFTER_LAST
	} position;
	LocalClassConfig lConf;
	basicPropConfig* loaded; //a lekerdezett mezoket tartalmazza
	uint loadedL;
	basicPropConfig* extraLoad; //azok a mezok, amiket meg kulon be kell tolteni
	uint extraLoadL;
	dbobj current;
	zend_object_handle handle;
	knownPropsT* knownProps;
	HashTable properties;
	zval* zCurrent;
	DBIterator dbIterator;
}* dbobjIterator;

#define ALLOC_INIT_DBOBJITERATOR(it) {\
	it = emalloc(sizeof(*it));\
	it->position = ITERATOR_FIRST;\
	it->current = NULL;\
	it->handle = 0;\
	it->dbIterator = NULL;\
	ALLOC_INIT_ZVAL(it->zCurrent);\
	Z_OBJ_HT_P(it->zCurrent) = &dbobj_object_handlers;\
	zend_hash_init(&it->properties, 8,NULL,dbobjIterator_properties_freeer,0);}

#define ZEND_OBJECTS_STORE_PUT_DBOBJITERATOR(it) zend_objects_store_put(it, (zend_objects_store_dtor_t)dbobjIterator_destroy_object, NULL, NULL TSRMLS_CC)

extern	zend_object_handlers dbobjIterator_object_handlers;
DBOBJ_API void		php_dbobj_MINIT_dbobjIterator(int module_number TSRMLS_DC);
DBOBJ_API void		php_dbobj_RINIT_dbobjIterator(TSRMLS_D);
DBOBJ_API void		dbobjIterator_destroy_object(dbobjIterator this, zend_object_handle handle TSRMLS_DC);
DBOBJ_API int		dbobjIterator_get_className(zval *object, char** className, zend_uint* classNameL, int parent TSRMLS_DC);
DBOBJ_API int 		dbobjIterator_cast(zval* readObj, zval* writeObj, int type, int shouldFree TSRMLS_DC);
DBOBJ_API void		dbobjIterator_properties_freeer(void *ptr);
DBOBJ_API dbobjIterator			dbobjIterator_create(LocalClassConfig lConf, dbCondition *conditions, uint conditionsL, basicPropConfig load[], uint loadL TSRMLS_DC);
DBOBJ_API zend_object_value		dbobjIterator_create_object(zend_class_entry *class_type TSRMLS_DC);
DBOBJ_API zend_class_entry*		dbobjIterator_get_class(zval *object TSRMLS_DC);
DBOBJ_API union _zend_function*	dbobjIterator_get_constructor(zval* object TSRMLS_DC);
////////////////////////////////
/////////iterator funcs/////////
////////////////////////////////
/* define an overloaded iterator structure */
typedef struct _dbobjIterator_it{
	dbobjIterator				object;
	zend_object_iterator_funcs* funcs;
	zval*						zobject;
} *dbobjIterator_it;

/* iterator handler table */
extern zend_object_iterator_funcs dbobjIterator_it_funcs;

DBOBJ_API void dbobjIterator_rewind(dbobjIterator o TSRMLS_DC);
DBOBJ_API void dbobjIterator_fetch(dbobjIterator o TSRMLS_DC);

/*PHP methods*/
PHP_METHOD(dbobjIterator, rewind);
PHP_METHOD(dbobjIterator, current);
PHP_METHOD(dbobjIterator, next);
PHP_METHOD(dbobjIterator, valid);

#endif // DBOBJ_DBOBJ_ITERATOR_H

/*
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */