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|
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2001 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. |
+----------------------------------------------------------------------+
| Author: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "basic_functions.h"
#include "php_incomplete_class.h"
#define INCOMPLETE_CLASS_MSG \
"The script tried to execute a method or " \
"access a property of an incomplete object. " \
"Please ensure that the class definition <b>%s</b> of the object " \
"you are trying to operate on was loaded _before_ " \
"the session was started"
#define INCOMPLETE_CLASS "__PHP_Incomplete_Class"
#define MAGIC_MEMBER "__PHP_Incomplete_Class_Name"
static void incomplete_class_message(zend_property_reference *ref)
{
char buf[1024];
char *class_name;
class_name = php_lookup_class_name(ref->object, NULL, 0);
if (!class_name)
class_name = estrdup("unknown");
snprintf(buf, 1023, INCOMPLETE_CLASS_MSG, class_name);
efree(class_name);
php_error(E_ERROR, "%s", buf);
}
static void incomplete_class_call_func(INTERNAL_FUNCTION_PARAMETERS, zend_property_reference *property_reference)
{
incomplete_class_message(property_reference);
}
static int incomplete_class_set_property(zend_property_reference *property_reference, zval *value)
{
incomplete_class_message(property_reference);
/* does not reach this point */
return (0);
}
static zval incomplete_class_get_property(zend_property_reference *property_reference)
{
zval foo;
incomplete_class_message(property_reference);
/* does not reach this point */
memset(&foo, 0, sizeof(zval)); /* shut warnings up */
return (foo);
}
zend_class_entry *php_create_incomplete_class(BLS_D)
{
zend_class_entry incomplete_class;
INIT_OVERLOADED_CLASS_ENTRY(incomplete_class, INCOMPLETE_CLASS, NULL,
incomplete_class_call_func,
incomplete_class_get_property,
incomplete_class_set_property);
BG(incomplete_class) = zend_register_internal_class(&incomplete_class);
return (BG(incomplete_class));
}
char *php_lookup_class_name(zval *object, size_t *nlen, zend_bool del)
{
zval **val;
char *retval = NULL;
if (zend_hash_find(object->value.obj.properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER), (void **) &val) == SUCCESS) {
retval = estrndup(Z_STRVAL_PP(val), Z_STRLEN_PP(val));
if (nlen)
*nlen = Z_STRLEN_PP(val);
if (del)
zend_hash_del(object->value.obj.properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER));
}
return (retval);
}
void php_store_class_name(zval *object, const char *name, size_t len)
{
zval *val;
MAKE_STD_ZVAL(val);
Z_TYPE_P(val) = IS_STRING;
Z_STRVAL_P(val) = estrndup(name, len);
Z_STRLEN_P(val) = len;
zend_hash_update(object->value.obj.properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER), &val, sizeof(val), NULL);
}
|
