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|
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "zend_compile.h"
#include "zend_execute_locks.h"
#include "php_spl.h"
#include "spl_functions.h"
#include "spl_engine.h"
/* {{{ spl_begin_method_call_arg */
int spl_begin_method_call_arg(zval **ce, char *function_name, zval *retval, zval *arg1 TSRMLS_DC)
{
zval *args[1];
zval fn_name;
ZVAL_STRING(&fn_name, function_name, 0);
args[0] = arg1;
return call_user_function(&Z_OBJCE_PP(ce)->function_table, ce, &fn_name, retval, 1, args TSRMLS_CC);
}
/* }}} */
/* {{{ spl_begin_method_call_this */
int spl_begin_method_call_this(zval **ce, char *function_name, zval *retval TSRMLS_DC)
{
zval fn_name;
ZVAL_STRING(&fn_name, function_name, 0);
return call_user_function(&Z_OBJCE_PP(ce)->function_table, ce, &fn_name, retval, 0, NULL TSRMLS_CC);
}
/* }}} */
/* {{{ spl_begin_method_call_arg_ex1 */
int spl_begin_method_call_arg_ex1(zval **ce, char *function_name, zval **retval, zval **arg1, int no_separation, HashTable *symbol_table TSRMLS_DC)
{
zval **args[1];
zval fn_name;
ZVAL_STRING(&fn_name, function_name, 0);
args[0] = arg1;
return call_user_function_ex(&Z_OBJCE_PP(ce)->function_table, ce, &fn_name, retval, 1, args, no_separation, symbol_table TSRMLS_CC);
}
/* }}} */
/* {{{ spl_begin_method_call_arg_ex2 */
int spl_begin_method_call_arg_ex2(zval **ce, char *function_name, zval **retval, zval **arg1, zval **arg2, int no_separation, HashTable *symbol_table TSRMLS_DC)
{
zval **args[2];
zval fn_name;
ZVAL_STRING(&fn_name, function_name, 0);
args[0] = arg1;
args[1] = arg2;
return call_user_function_ex(&Z_OBJCE_PP(ce)->function_table, ce, &fn_name, retval, 2, args, no_separation, symbol_table TSRMLS_CC);
}
/* }}} */
/* {{{ spl_instanciate */
void spl_instanciate(zend_class_entry *pce, zval **object TSRMLS_DC)
{
ALLOC_ZVAL(*object);
object_init_ex(*object, pce);
(*object)->refcount = 1;
(*object)->is_ref = 1; /* check if this can be hold always */
}
/* }}} */
/* {{{ spl_instanciate_arg_ex2 */
int spl_instanciate_arg_ex2(zend_class_entry *pce, zval **retval, zval **arg1, zval **arg2, int no_separation, HashTable *symbol_table TSRMLS_DC)
{
zval **args[2];
zval fn_name;
zval *object;
spl_instanciate(pce, &object TSRMLS_CC);
retval = &EG(uninitialized_zval_ptr);
ZVAL_STRING(&fn_name, pce->constructor->common.function_name, 0);
args[0] = arg1;
args[1] = arg2;
call_user_function_ex(&pce->function_table, &object, &fn_name, retval, 2, args, no_separation, symbol_table TSRMLS_CC);
*retval = object;
return 0;
}
/* }}} */
/* {{{ spl_get_zval_ptr_ptr
Remember to call spl_unlock_ptr_ptr when needed */
zval ** spl_get_zval_ptr_ptr(znode *node, temp_variable *Ts TSRMLS_DC)
{
if (node->op_type==IS_VAR) {
return T(node->u.var).var.ptr_ptr;
} else {
return NULL;
}
}
/* }}} */
/* {{{ spl_unlock_zval_ptr_ptr */
void spl_unlock_zval_ptr_ptr(znode *node, temp_variable *Ts TSRMLS_DC)
{
if (node->op_type==IS_VAR) {
if (T(node->u.var).var.ptr_ptr) {
PZVAL_UNLOCK(*T(node->u.var).var.ptr_ptr);
} else if (T(node->u.var).EA.type==IS_STRING_OFFSET) {
PZVAL_UNLOCK(T(node->u.var).EA.data.str_offset.str);
}
}
}
/* }}} */
/* {{{ spl_get_zval_ptr */
zval * spl_get_zval_ptr(znode *node, temp_variable *Ts, zval **should_free TSRMLS_DC)
{
switch (node->op_type) {
case IS_CONST:
*should_free = 0;
return &node->u.constant;
break;
case IS_TMP_VAR:
return *should_free = &T(node->u.var).tmp_var;
break;
case IS_VAR:
if (T(node->u.var).var.ptr) {
PZVAL_UNLOCK(T(node->u.var).var.ptr);
*should_free = 0;
return T(node->u.var).var.ptr;
} else {
*should_free = &T(node->u.var).tmp_var;
switch (T(node->u.var).EA.type) {
case IS_STRING_OFFSET: {
temp_variable *T = &T(node->u.var);
zval *str = T->EA.data.str_offset.str;
if (T->EA.data.str_offset.str->type != IS_STRING
|| (T->EA.data.str_offset.offset<0)
|| (T->EA.data.str_offset.str->value.str.len <= T->EA.data.str_offset.offset)) {
zend_error(E_NOTICE, "Uninitialized string offset: %d", T->EA.data.str_offset.offset);
T->tmp_var.value.str.val = empty_string;
T->tmp_var.value.str.len = 0;
} else {
char c = str->value.str.val[T->EA.data.str_offset.offset];
T->tmp_var.value.str.val = estrndup(&c, 1);
T->tmp_var.value.str.len = 1;
}
PZVAL_UNLOCK(str);
T->tmp_var.refcount=1;
T->tmp_var.is_ref=1;
T->tmp_var.type = IS_STRING;
return &T->tmp_var;
}
break;
}
}
break;
case IS_UNUSED:
*should_free = 0;
return NULL;
break;
EMPTY_SWITCH_DEFAULT_CASE()
}
return NULL;
}
/* }}} */
/* {{{ */
inline zend_class_entry *spl_get_class_entry(zval *obj TSRMLS_DC)
{
if (obj && Z_TYPE_P(obj) == IS_OBJECT && Z_OBJ_HT_P(obj)->get_class_entry) {
return Z_OBJ_HT_P(obj)->get_class_entry(obj TSRMLS_CC);
} else {
return NULL;
}
}
/* }}} */
/* {{{ spl_is_instance_of */
int spl_is_instance_of(zval **obj, zend_class_entry *ce TSRMLS_DC)
{
/* Ensure everything needed is available before checking for the type.
*/
zend_class_entry *instance_ce;
if (obj && (instance_ce = spl_get_class_entry(*obj TSRMLS_CC)) != NULL) {
if (instanceof_function(instance_ce, ce TSRMLS_CC)) {
return 1;
}
}
return 0;
}
/* }}} */
/* {{{ spl_implements */
int spl_implements(zval **obj, zend_class_entry *ce TSRMLS_DC)
{
/* Ensure everything needed is available before checking for the type.
*/
zend_class_entry *instance_ce;
if (obj && (instance_ce = spl_get_class_entry(*obj TSRMLS_CC)) != NULL) {
int i;
while (instance_ce) {
for (i = 0; i < instance_ce->num_interfaces; i++) {
if (instance_ce->interfaces[i] == ce) {
return 1;
}
}
instance_ce = instance_ce->parent;
}
}
return spl_is_instance_of(obj, ce TSRMLS_CC);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: fdm=marker
* vim: noet sw=4 ts=4
*/
|
