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DEFINITIONS
This source file includes following definitions.
- spl_SplOjectStorage_free_storage
- spl_object_storage_new_ex
- spl_SplObjectStorage_new
- spl_object_storage_attach
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- SPL_METHOD
- PHP_MINIT_FUNCTION
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 The PHP Group |
+----------------------------------------------------------------------+
| This source file is SplSubject 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. |
+----------------------------------------------------------------------+
| Authors: Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id: spl_observer.c,v 1.2.2.6.2.4 2007/12/31 07:20:11 sebastian Exp $ */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "ext/standard/php_var.h"
#include "ext/standard/php_smart_str.h"
#include "zend_interfaces.h"
#include "zend_exceptions.h"
#include "php_spl.h"
#include "spl_functions.h"
#include "spl_engine.h"
#include "spl_observer.h"
#include "spl_iterators.h"
#include "spl_array.h"
#include "spl_exceptions.h"
SPL_METHOD(SplObserver, update);
SPL_METHOD(SplSubject, attach);
SPL_METHOD(SplSubject, detach);
SPL_METHOD(SplSubject, notify);
static
ZEND_BEGIN_ARG_INFO(arginfo_SplObserver_update, 0)
ZEND_ARG_OBJ_INFO(0, SplSubject, SplSubject, 0)
ZEND_END_ARG_INFO();
static zend_function_entry spl_funcs_SplObserver[] = {
SPL_ABSTRACT_ME(SplObserver, update, arginfo_SplObserver_update)
{NULL, NULL, NULL}
};
static
ZEND_BEGIN_ARG_INFO(arginfo_SplSubject_attach, 0)
ZEND_ARG_OBJ_INFO(0, SplObserver, SplObserver, 0)
ZEND_END_ARG_INFO();
/*static
ZEND_BEGIN_ARG_INFO_EX(arginfo_SplSubject_notify, 0, 0, 1)
ZEND_ARG_OBJ_INFO(0, ignore, SplObserver, 1)
ZEND_END_ARG_INFO();*/
static zend_function_entry spl_funcs_SplSubject[] = {
SPL_ABSTRACT_ME(SplSubject, attach, arginfo_SplSubject_attach)
SPL_ABSTRACT_ME(SplSubject, detach, arginfo_SplSubject_attach)
SPL_ABSTRACT_ME(SplSubject, notify, NULL)
{NULL, NULL, NULL}
};
PHPAPI zend_class_entry *spl_ce_SplObserver;
PHPAPI zend_class_entry *spl_ce_SplSubject;
PHPAPI zend_class_entry *spl_ce_SplObjectStorage;
PHPAPI zend_object_handlers spl_handler_SplObjectStorage;
typedef struct _spl_SplObjectStorage {
zend_object std;
HashTable storage;
long index;
HashPosition pos;
} spl_SplObjectStorage;
/* storage is an assoc aray of [zend_object_value]=>[zval*] */
void spl_SplOjectStorage_free_storage(void *object TSRMLS_DC) /* {{{ */
{
spl_SplObjectStorage *intern = (spl_SplObjectStorage *)object;
zend_object_std_dtor(&intern->std TSRMLS_CC);
zend_hash_destroy(&intern->storage);
efree(object);
} /* }}} */
static zend_object_value spl_object_storage_new_ex(zend_class_entry *class_type, spl_SplObjectStorage **obj, zval *orig TSRMLS_DC) /* {{{ */
{
zend_object_value retval;
spl_SplObjectStorage *intern;
zval *tmp;
intern = emalloc(sizeof(spl_SplObjectStorage));
memset(intern, 0, sizeof(spl_SplObjectStorage));
*obj = intern;
zend_object_std_init(&intern->std, class_type TSRMLS_CC);
zend_hash_copy(intern->std.properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
zend_hash_init(&intern->storage, 0, NULL, ZVAL_PTR_DTOR, 0);
retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, (zend_objects_free_object_storage_t) spl_SplOjectStorage_free_storage, NULL TSRMLS_CC);
retval.handlers = &spl_handler_SplObjectStorage;
return retval;
}
/* }}} */
/* {{{ spl_array_object_new */
static zend_object_value spl_SplObjectStorage_new(zend_class_entry *class_type TSRMLS_DC)
{
spl_SplObjectStorage *tmp;
return spl_object_storage_new_ex(class_type, &tmp, NULL TSRMLS_CC);
}
/* }}} */
void spl_object_storage_attach(spl_SplObjectStorage *intern, zval *obj TSRMLS_DC) /* {{{ */
{
#if HAVE_PACKED_OBJECT_VALUE
zend_hash_update(&intern->storage, (char*)&Z_OBJVAL_P(obj), sizeof(zend_object_value), &obj, sizeof(zval*), NULL);
#else
{
zend_object_value zvalue;
memset(&zvalue, 0, sizeof(zend_object_value));
zvalue.handle = Z_OBJ_HANDLE_P(obj);
zvalue.handlers = Z_OBJ_HT_P(obj);
zend_hash_update(&intern->storage, (char*)&zvalue, sizeof(zend_object_value), &obj, sizeof(zval*), NULL);
}
#endif
obj->refcount++;
} /* }}} */
/* {{{ proto void SplObjectStorage::attach($obj)
Attaches an object to the storage if not yet contained */
SPL_METHOD(SplObjectStorage, attach)
{
zval *obj;
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "o", &obj) == FAILURE) {
return;
}
spl_object_storage_attach(intern, obj TSRMLS_CC);
} /* }}} */
/* {{{ proto void SplObjectStorage::detach($obj)
Detaches an object from the storage */
SPL_METHOD(SplObjectStorage, detach)
{
zval *obj;
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "o", &obj) == FAILURE) {
return;
}
#if HAVE_PACKED_OBJECT_VALUE
zend_hash_del(&intern->storage, (char*)&Z_OBJVAL_P(obj), sizeof(zend_object_value));
#else
{
zend_object_value zvalue;
memset(&zvalue, 0, sizeof(zend_object_value));
zvalue.handle = Z_OBJ_HANDLE_P(obj);
zvalue.handlers = Z_OBJ_HT_P(obj);
zend_hash_del(&intern->storage, (char*)&zvalue, sizeof(zend_object_value));
}
#endif
zend_hash_internal_pointer_reset_ex(&intern->storage, &intern->pos);
intern->index = 0;
} /* }}} */
/* {{{ proto bool SplObjectStorage::contains($obj)
Determine whethe an object is contained in the storage */
SPL_METHOD(SplObjectStorage, contains)
{
zval *obj;
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "o", &obj) == FAILURE) {
return;
}
#if HAVE_PACKED_OBJECT_VALUE
RETURN_BOOL(zend_hash_exists(&intern->storage, (char*)&Z_OBJVAL_P(obj), sizeof(zend_object_value)));
#else
{
zend_object_value zvalue;
memset(&zvalue, 0, sizeof(zend_object_value));
zvalue.handle = Z_OBJ_HANDLE_P(obj);
zvalue.handlers = Z_OBJ_HT_P(obj);
RETURN_BOOL(zend_hash_exists(&intern->storage, (char*)&zvalue, sizeof(zend_object_value)));
}
#endif
} /* }}} */
/* {{{ proto int SplObjectStorage::count()
Determine number of objects in storage */
SPL_METHOD(SplObjectStorage, count)
{
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(zend_hash_num_elements(&intern->storage));
} /* }}} */
/* {{{ proto void SplObjectStorage::rewind()
*/
SPL_METHOD(SplObjectStorage, rewind)
{
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_hash_internal_pointer_reset_ex(&intern->storage, &intern->pos);
intern->index = 0;
} /* }}} */
/* {{{ proto bool SplObjectStorage::valid()
*/
SPL_METHOD(SplObjectStorage, valid)
{
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(zend_hash_has_more_elements_ex(&intern->storage, &intern->pos) == SUCCESS);
} /* }}} */
/* {{{ proto mixed SplObjectStorage::key()
*/
SPL_METHOD(SplObjectStorage, key)
{
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->index);
} /* }}} */
/* {{{ proto mixed SplObjectStorage::current()
*/
SPL_METHOD(SplObjectStorage, current)
{
zval **entry;
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_hash_get_current_data_ex(&intern->storage, (void**)&entry, &intern->pos) == FAILURE) {
return;
}
RETVAL_ZVAL(*entry, 1, 0);
} /* }}} */
/* {{{ proto void SplObjectStorage::next()
*/
SPL_METHOD(SplObjectStorage, next)
{
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
zend_hash_move_forward_ex(&intern->storage, &intern->pos);
intern->index++;
} /* }}} */
/* {{{ proto string SplObjectStorage::serialize()
*/
SPL_METHOD(SplObjectStorage, serialize)
{
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
zval **entry, members, *pmembers;
HashPosition pos;
php_serialize_data_t var_hash;
smart_str buf = {0};
PHP_VAR_SERIALIZE_INIT(var_hash);
/* storage */
smart_str_appendl(&buf, "x:i:", 4);
smart_str_append_long(&buf, zend_hash_num_elements(&intern->storage));
smart_str_appendc(&buf, ';');
zend_hash_internal_pointer_reset_ex(&intern->storage, &pos);
while(zend_hash_has_more_elements_ex(&intern->storage, &pos) == SUCCESS) {
if (zend_hash_get_current_data_ex(&intern->storage, (void**)&entry, &pos) == FAILURE) {
smart_str_free(&buf);
PHP_VAR_SERIALIZE_DESTROY(var_hash);
RETURN_NULL();
}
php_var_serialize(&buf, entry, &var_hash TSRMLS_CC);
smart_str_appendc(&buf, ';');
zend_hash_move_forward_ex(&intern->storage, &pos);
}
/* members */
smart_str_appendl(&buf, "m:", 2);
INIT_PZVAL(&members);
Z_ARRVAL(members) = intern->std.properties;
Z_TYPE(members) = IS_ARRAY;
pmembers = &members;
php_var_serialize(&buf, &pmembers, &var_hash TSRMLS_CC); /* finishes the string */
/* done */
PHP_VAR_SERIALIZE_DESTROY(var_hash);
if (buf.c) {
RETURN_STRINGL(buf.c, buf.len, 0);
} else {
RETURN_NULL();
}
} /* }}} */
/* {{{ proto void SplObjectStorage::unserialize(string serialized)
*/
SPL_METHOD(SplObjectStorage, unserialize)
{
spl_SplObjectStorage *intern = (spl_SplObjectStorage*)zend_object_store_get_object(getThis() TSRMLS_CC);
char *buf;
int buf_len;
const unsigned char *p, *s;
php_unserialize_data_t var_hash;
zval *pentry, *pmembers, *pcount = NULL;
long count;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &buf, &buf_len) == FAILURE) {
return;
}
if (buf_len == 0) {
zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0 TSRMLS_CC, "Empty serialized string cannot be empty");
return;
}
/* storage */
s = p = (const unsigned char*)buf;
PHP_VAR_UNSERIALIZE_INIT(var_hash);
if (*p!= 'x' || *++p != ':') {
goto outexcept;
}
++p;
ALLOC_INIT_ZVAL(pcount);
if (!php_var_unserialize(&pcount, &p, s + buf_len, &var_hash TSRMLS_CC) || Z_TYPE_P(pcount) != IS_LONG) {
zval_ptr_dtor(&pcount);
goto outexcept;
}
--p; /* for ';' */
count = Z_LVAL_P(pcount);
zval_ptr_dtor(&pcount);
while(count-- > 0) {
if (*p != ';') {
goto outexcept;
}
++p;
ALLOC_INIT_ZVAL(pentry);
if (!php_var_unserialize(&pentry, &p, s + buf_len, &var_hash TSRMLS_CC)) {
zval_ptr_dtor(&pentry);
goto outexcept;
}
spl_object_storage_attach(intern, pentry TSRMLS_CC);
zval_ptr_dtor(&pentry);
}
if (*p != ';') {
goto outexcept;
}
++p;
/* members */
if (*p!= 'm' || *++p != ':') {
goto outexcept;
}
++p;
ALLOC_INIT_ZVAL(pmembers);
if (!php_var_unserialize(&pmembers, &p, s + buf_len, &var_hash TSRMLS_CC)) {
zval_ptr_dtor(&pmembers);
goto outexcept;
}
/* copy members */
zend_hash_copy(intern->std.properties, Z_ARRVAL_P(pmembers), (copy_ctor_func_t) zval_add_ref, (void *) NULL, sizeof(zval *));
zval_ptr_dtor(&pmembers);
/* done reading $serialized */
PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
return;
outexcept:
PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0 TSRMLS_CC, "Error at offset %ld of %d bytes", (long)((char*)p - buf), buf_len);
return;
} /* }}} */
static
ZEND_BEGIN_ARG_INFO(arginfo_Object, 0)
ZEND_ARG_INFO(0, object)
ZEND_END_ARG_INFO();
static
ZEND_BEGIN_ARG_INFO(arginfo_Serialized, 0)
ZEND_ARG_INFO(0, serialized)
ZEND_END_ARG_INFO();
static zend_function_entry spl_funcs_SplObjectStorage[] = {
SPL_ME(SplObjectStorage, attach, arginfo_Object, 0)
SPL_ME(SplObjectStorage, detach, arginfo_Object, 0)
SPL_ME(SplObjectStorage, contains, arginfo_Object, 0)
SPL_ME(SplObjectStorage, count, NULL, 0)
SPL_ME(SplObjectStorage, rewind, NULL, 0)
SPL_ME(SplObjectStorage, valid, NULL, 0)
SPL_ME(SplObjectStorage, key, NULL, 0)
SPL_ME(SplObjectStorage, current, NULL, 0)
SPL_ME(SplObjectStorage, next, NULL, 0)
SPL_ME(SplObjectStorage, unserialize, arginfo_Serialized, 0)
SPL_ME(SplObjectStorage, serialize, NULL, 0)
{NULL, NULL, NULL}
};
/* {{{ PHP_MINIT_FUNCTION(spl_observer) */
PHP_MINIT_FUNCTION(spl_observer)
{
REGISTER_SPL_INTERFACE(SplObserver);
REGISTER_SPL_INTERFACE(SplSubject);
REGISTER_SPL_STD_CLASS_EX(SplObjectStorage, spl_SplObjectStorage_new, spl_funcs_SplObjectStorage);
memcpy(&spl_handler_SplObjectStorage, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
REGISTER_SPL_IMPLEMENTS(SplObjectStorage, Countable);
REGISTER_SPL_IMPLEMENTS(SplObjectStorage, Iterator);
REGISTER_SPL_IMPLEMENTS(SplObjectStorage, Serializable);
return SUCCESS;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: fdm=marker
* vim: noet sw=4 ts=4
*/