diff options
Diffstat (limited to 'ext/standard/incomplete_class.c')
| -rw-r--r-- | ext/standard/incomplete_class.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/ext/standard/incomplete_class.c b/ext/standard/incomplete_class.c new file mode 100644 index 0000000..9af70f2 --- /dev/null +++ b/ext/standard/incomplete_class.c @@ -0,0 +1,183 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2013 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.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 \"%s\" of the object " \ + "you are trying to operate on was loaded _before_ " \ + "unserialize() gets called or provide a __autoload() function " \ + "to load the class definition " + +static zend_object_handlers php_incomplete_object_handlers; + +/* {{{ incomplete_class_message + */ +static void incomplete_class_message(zval *object, int error_type TSRMLS_DC) +{ + char *class_name; + zend_bool class_name_alloced = 1; + + class_name = php_lookup_class_name(object, NULL); + + if (!class_name) { + class_name_alloced = 0; + class_name = "unknown"; + } + + php_error_docref(NULL TSRMLS_CC, error_type, INCOMPLETE_CLASS_MSG, class_name); + + if (class_name_alloced) { + efree(class_name); + } +} +/* }}} */ + +static zval *incomplete_class_get_property(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC) /* {{{ */ +{ + incomplete_class_message(object, E_NOTICE TSRMLS_CC); + + if (type == BP_VAR_W || type == BP_VAR_RW) { + return EG(error_zval_ptr); + } else { + return EG(uninitialized_zval_ptr); + } +} +/* }}} */ + +static void incomplete_class_write_property(zval *object, zval *member, zval *value, const zend_literal *key TSRMLS_DC) /* {{{ */ +{ + incomplete_class_message(object, E_NOTICE TSRMLS_CC); +} +/* }}} */ + +static zval **incomplete_class_get_property_ptr_ptr(zval *object, zval *member, const zend_literal *key TSRMLS_DC) /* {{{ */ +{ + incomplete_class_message(object, E_NOTICE TSRMLS_CC); + return &EG(error_zval_ptr); +} +/* }}} */ + +static void incomplete_class_unset_property(zval *object, zval *member, const zend_literal *key TSRMLS_DC) /* {{{ */ +{ + incomplete_class_message(object, E_NOTICE TSRMLS_CC); +} +/* }}} */ + +static int incomplete_class_has_property(zval *object, zval *member, int check_empty, const zend_literal *key TSRMLS_DC) /* {{{ */ +{ + incomplete_class_message(object, E_NOTICE TSRMLS_CC); + return 0; +} +/* }}} */ + +static union _zend_function *incomplete_class_get_method(zval **object, char *method, int method_len, const zend_literal *key TSRMLS_DC) /* {{{ */ +{ + incomplete_class_message(*object, E_ERROR TSRMLS_CC); + return NULL; +} +/* }}} */ + +/* {{{ php_create_incomplete_class + */ +static zend_object_value php_create_incomplete_object(zend_class_entry *class_type TSRMLS_DC) +{ + zend_object *object; + zend_object_value value; + + value = zend_objects_new(&object, class_type TSRMLS_CC); + value.handlers = &php_incomplete_object_handlers; + + object_properties_init(object, class_type); + + return value; +} + +PHPAPI zend_class_entry *php_create_incomplete_class(TSRMLS_D) +{ + zend_class_entry incomplete_class; + + INIT_CLASS_ENTRY(incomplete_class, INCOMPLETE_CLASS, NULL); + incomplete_class.create_object = php_create_incomplete_object; + + memcpy(&php_incomplete_object_handlers, &std_object_handlers, sizeof(zend_object_handlers)); + php_incomplete_object_handlers.read_property = incomplete_class_get_property; + php_incomplete_object_handlers.has_property = incomplete_class_has_property; + php_incomplete_object_handlers.unset_property = incomplete_class_unset_property; + php_incomplete_object_handlers.write_property = incomplete_class_write_property; + php_incomplete_object_handlers.get_property_ptr_ptr = incomplete_class_get_property_ptr_ptr; + php_incomplete_object_handlers.get_method = incomplete_class_get_method; + + return zend_register_internal_class(&incomplete_class TSRMLS_CC); +} +/* }}} */ + +/* {{{ php_lookup_class_name + */ +PHPAPI char *php_lookup_class_name(zval *object, zend_uint *nlen) +{ + zval **val; + char *retval = NULL; + HashTable *object_properties; + TSRMLS_FETCH(); + + object_properties = Z_OBJPROP_P(object); + + if (zend_hash_find(object_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); + } + } + + return retval; +} +/* }}} */ + +/* {{{ php_store_class_name + */ +PHPAPI void php_store_class_name(zval *object, const char *name, zend_uint len) +{ + zval *val; + TSRMLS_FETCH(); + + 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(Z_OBJPROP_P(object), MAGIC_MEMBER, sizeof(MAGIC_MEMBER), &val, sizeof(val), NULL); +} +/* }}} */ + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: sw=4 ts=4 fdm=marker + * vim<600: sw=4 ts=4 + */ |