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122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP version 4.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_02.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Sascha Schumann <sascha@schumann.cx> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php.h"
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#include "basic_functions.h"
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#include "php_incomplete_class.h"
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#define INCOMPLETE_CLASS_MSG \
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"The script tried to execute a method or " \
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"access a property of an incomplete object. " \
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"Please ensure that the class definition <b>%s</b> of the object " \
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"you are trying to operate on was loaded _before_ " \
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"the session was started"
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#define INCOMPLETE_CLASS "__PHP_Incomplete_Class"
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#define MAGIC_MEMBER "__PHP_Incomplete_Class_Name"
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static void incomplete_class_message(zend_property_reference *ref)
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{
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char buf[1024];
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char *class_name;
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class_name = php_lookup_class_name(ref->object, NULL, 0);
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if (!class_name)
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class_name = estrdup("unknown");
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snprintf(buf, 1023, INCOMPLETE_CLASS_MSG, class_name);
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efree(class_name);
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php_error(E_ERROR, "%s", buf);
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}
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static void incomplete_class_call_func(INTERNAL_FUNCTION_PARAMETERS, zend_property_reference *property_reference)
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{
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incomplete_class_message(property_reference);
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}
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static int incomplete_class_set_property(zend_property_reference *property_reference, zval *value)
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{
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incomplete_class_message(property_reference);
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/* does not reach this point */
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return (0);
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}
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static zval incomplete_class_get_property(zend_property_reference *property_reference)
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{
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zval foo;
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incomplete_class_message(property_reference);
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/* does not reach this point */
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memset(&foo, 0, sizeof(zval)); /* shut warnings up */
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return (foo);
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}
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zend_class_entry *php_create_incomplete_class(BLS_D)
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{
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zend_class_entry incomplete_class;
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INIT_OVERLOADED_CLASS_ENTRY(incomplete_class, INCOMPLETE_CLASS, NULL,
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incomplete_class_call_func,
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incomplete_class_get_property,
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incomplete_class_set_property);
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BG(incomplete_class) = zend_register_internal_class(&incomplete_class);
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return (BG(incomplete_class));
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}
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char *php_lookup_class_name(zval *object, size_t *nlen, zend_bool del)
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{
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zval **val;
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char *retval = NULL;
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if (zend_hash_find(object->value.obj.properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER), (void **) &val) == SUCCESS) {
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retval = estrndup(Z_STRVAL_PP(val), Z_STRLEN_PP(val));
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if (nlen)
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*nlen = Z_STRLEN_PP(val);
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if (del)
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zend_hash_del(object->value.obj.properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER));
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}
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return (retval);
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}
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void php_store_class_name(zval *object, const char *name, size_t len)
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{
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zval *val;
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MAKE_STD_ZVAL(val);
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Z_TYPE_P(val) = IS_STRING;
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Z_STRVAL_P(val) = estrndup(name, len);
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Z_STRLEN_P(val) = len;
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zend_hash_update(object->value.obj.properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER), &val, sizeof(val), NULL);
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}
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