hash.h

/*
	+------------------------------------------------------------------------+
	| Zephir Language                                                        |
	+------------------------------------------------------------------------+
	| Copyright (c) 2011-2014 Zephir Team  (http://www.zephir-lang.com)      |
	+------------------------------------------------------------------------+
	| This source file is subject to the New BSD License that is bundled     |
	| with this package in the file docs/LICENSE.txt.                        |
	|                                                                        |
	| If you did not receive a copy of the license and are unable to         |
	| obtain it through the world-wide-web, please send an email             |
	| to license@zephir-lang.com so we can send you a copy immediately.      |
	+------------------------------------------------------------------------+
	| Authors: Andres Gutierrez <andres@zephir-lang.com>                     |
	|          Eduar Carvajal <eduar@zephir-lang.com>                        |
	|          Vladimir Kolesnikov <vladimir@extrememember.com>              |
	+------------------------------------------------------------------------+
*/

#ifndef ZEPHIR_KERNEL_HASH_H
#define ZEPHIR_KERNEL_HASH_H

int zephir_hash_exists(const HashTable *ht, const char *arKey, uint nKeyLength);
int zephir_hash_quick_exists(const HashTable *ht, const char *arKey, uint nKeyLength, ulong h);
int zephir_hash_find(const HashTable *ht, const char *arKey, uint nKeyLength, void **pData);
int zephir_hash_quick_find(const HashTable *ht, const char *arKey, uint nKeyLength, ulong h, void **pData);
void zephir_get_current_key(zval **key, const HashTable *hash_table, HashPosition *hash_position TSRMLS_DC);
zval zephir_get_current_key_w(const HashTable *hash_table, HashPosition *hash_position);
int zephir_has_numeric_keys(const zval *data);
void zephir_hash_update_or_insert(HashTable *ht, zval *offset, zval *value);
zval** zephir_hash_get(HashTable *ht, zval *key, int type);
int zephir_hash_unset(HashTable *ht, zval *offset);

#define zephir_hash_move_forward_ex(ht, pos) *pos = (*pos ? (*pos)->pListNext : NULL)

static zend_always_inline int zephir_hash_get_current_data_ex(HashTable *ht, void **pData, HashPosition *pos)
{
	Bucket *p;
	p = pos ? (*pos) : ht->pInternalPointer;  
	if (p) {
		*pData = p->pData;
		return SUCCESS;
	} else {
		return FAILURE;
	}
}

static zend_always_inline int zephir_hash_move_backwards_ex(HashTable *ht, HashPosition *pos)
{
	HashPosition *current = pos ? pos : &ht->pInternalPointer;
	if (*current) {
		*current = (*current)->pListLast;
		return SUCCESS;
	} else {
		return FAILURE;
	}
}

#endif