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spl_observer.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Marcus Boerger <[email protected]> |
| Etienne Kneuss <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "ext/standard/php_array.h"
#include "ext/standard/php_var.h"
#include "zend_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);
ZEND_BEGIN_ARG_INFO(arginfo_SplObserver_update, 0)
ZEND_ARG_OBJ_INFO(0, subject, SplSubject, 0)
ZEND_END_ARG_INFO();
static const zend_function_entry spl_funcs_SplObserver[] = {
SPL_ABSTRACT_ME(SplObserver, update, arginfo_SplObserver_update)
PHP_FE_END
};
ZEND_BEGIN_ARG_INFO(arginfo_SplSubject_attach, 0)
ZEND_ARG_OBJ_INFO(0, observer, SplObserver, 0)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO(arginfo_SplSubject_void, 0)
ZEND_END_ARG_INFO();
/*ZEND_BEGIN_ARG_INFO_EX(arginfo_SplSubject_notify, 0, 0, 1)
ZEND_ARG_OBJ_INFO(0, ignore, SplObserver, 1)
ZEND_END_ARG_INFO();*/
static const 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, arginfo_SplSubject_void)
PHP_FE_END
};
PHPAPI zend_class_entry *spl_ce_SplObserver;
PHPAPI zend_class_entry *spl_ce_SplSubject;
PHPAPI zend_class_entry *spl_ce_SplObjectStorage;
PHPAPI zend_class_entry *spl_ce_MultipleIterator;
PHPAPI zend_object_handlers spl_handler_SplObjectStorage;
typedef struct _spl_SplObjectStorage { /* {{{ */
HashTable storage;
zend_long index;
HashPosition pos;
zend_long flags;
zend_function *fptr_get_hash;
zval *gcdata;
size_t gcdata_num;
zend_object std;
} spl_SplObjectStorage; /* }}} */
/* {{{ storage is an assoc array of [zend_object*]=>[zval *obj, zval *inf] */
typedef struct _spl_SplObjectStorageElement {
zval obj;
zval inf;
} spl_SplObjectStorageElement; /* }}} */
static inline spl_SplObjectStorage *spl_object_storage_from_obj(zend_object *obj) /* {{{ */ {
return (spl_SplObjectStorage*)((char*)(obj) - XtOffsetOf(spl_SplObjectStorage, std));
}
/* }}} */
#define Z_SPLOBJSTORAGE_P(zv) spl_object_storage_from_obj(Z_OBJ_P((zv)))
void spl_SplObjectStorage_free_storage(zend_object *object) /* {{{ */
{
spl_SplObjectStorage *intern = spl_object_storage_from_obj(object);
zend_object_std_dtor(&intern->std);
zend_hash_destroy(&intern->storage);
if (intern->gcdata != NULL) {
efree(intern->gcdata);
}
} /* }}} */
static int spl_object_storage_get_hash(zend_hash_key *key, spl_SplObjectStorage *intern, zval *obj) {
if (intern->fptr_get_hash) {
zval rv;
zend_call_method_with_1_params(
&intern->std, intern->std.ce, &intern->fptr_get_hash, "getHash", &rv, obj);
if (!Z_ISUNDEF(rv)) {
if (Z_TYPE(rv) == IS_STRING) {
key->key = Z_STR(rv);
return SUCCESS;
} else {
zend_throw_exception(spl_ce_RuntimeException, "Hash needs to be a string", 0);
zval_ptr_dtor(&rv);
return FAILURE;
}
} else {
return FAILURE;
}
} else {
key->key = NULL;
key->h = Z_OBJ_HANDLE_P(obj);
return SUCCESS;
}
}
static void spl_object_storage_free_hash(spl_SplObjectStorage *intern, zend_hash_key *key) {
if (key->key) {
zend_string_release_ex(key->key, 0);
}
}
static void spl_object_storage_dtor(zval *element) /* {{{ */
{
spl_SplObjectStorageElement *el = Z_PTR_P(element);
zval_ptr_dtor(&el->obj);
zval_ptr_dtor(&el->inf);
efree(el);
} /* }}} */
static spl_SplObjectStorageElement* spl_object_storage_get(spl_SplObjectStorage *intern, zend_hash_key *key) /* {{{ */
{
if (key->key) {
return zend_hash_find_ptr(&intern->storage, key->key);
} else {
return zend_hash_index_find_ptr(&intern->storage, key->h);
}
} /* }}} */
spl_SplObjectStorageElement *spl_object_storage_attach(spl_SplObjectStorage *intern, zval *obj, zval *inf) /* {{{ */
{
spl_SplObjectStorageElement *pelement, element;
zend_hash_key key;
if (spl_object_storage_get_hash(&key, intern, obj) == FAILURE) {
return NULL;
}
pelement = spl_object_storage_get(intern, &key);
if (pelement) {
zval_ptr_dtor(&pelement->inf);
if (inf) {
ZVAL_COPY(&pelement->inf, inf);
} else {
ZVAL_NULL(&pelement->inf);
}
spl_object_storage_free_hash(intern, &key);
return pelement;
}
ZVAL_COPY(&element.obj, obj);
if (inf) {
ZVAL_COPY(&element.inf, inf);
} else {
ZVAL_NULL(&element.inf);
}
if (key.key) {
pelement = zend_hash_update_mem(&intern->storage, key.key, &element, sizeof(spl_SplObjectStorageElement));
} else {
pelement = zend_hash_index_update_mem(&intern->storage, key.h, &element, sizeof(spl_SplObjectStorageElement));
}
spl_object_storage_free_hash(intern, &key);
return pelement;
} /* }}} */
static int spl_object_storage_detach(spl_SplObjectStorage *intern, zval *obj) /* {{{ */
{
int ret = FAILURE;
zend_hash_key key;
if (spl_object_storage_get_hash(&key, intern, obj) == FAILURE) {
return ret;
}
if (key.key) {
ret = zend_hash_del(&intern->storage, key.key);
} else {
ret = zend_hash_index_del(&intern->storage, key.h);
}
spl_object_storage_free_hash(intern, &key);
return ret;
} /* }}}*/
void spl_object_storage_addall(spl_SplObjectStorage *intern, spl_SplObjectStorage *other) { /* {{{ */
spl_SplObjectStorageElement *element;
ZEND_HASH_FOREACH_PTR(&other->storage, element) {
spl_object_storage_attach(intern, &element->obj, &element->inf);
} ZEND_HASH_FOREACH_END();
intern->index = 0;
} /* }}} */
static zend_object *spl_object_storage_new_ex(zend_class_entry *class_type, zend_object *orig) /* {{{ */
{
spl_SplObjectStorage *intern;
zend_class_entry *parent = class_type;
intern = emalloc(sizeof(spl_SplObjectStorage) + zend_object_properties_size(parent));
memset(intern, 0, sizeof(spl_SplObjectStorage) - sizeof(zval));
intern->pos = 0;
zend_object_std_init(&intern->std, class_type);
object_properties_init(&intern->std, class_type);
zend_hash_init(&intern->storage, 0, NULL, spl_object_storage_dtor, 0);
intern->std.handlers = &spl_handler_SplObjectStorage;
while (parent) {
if (parent == spl_ce_SplObjectStorage) {
if (class_type != spl_ce_SplObjectStorage) {
intern->fptr_get_hash = zend_hash_str_find_ptr(&class_type->function_table, "gethash", sizeof("gethash") - 1);
if (intern->fptr_get_hash->common.scope == spl_ce_SplObjectStorage) {
intern->fptr_get_hash = NULL;
}
}
break;
}
parent = parent->parent;
}
if (orig) {
spl_SplObjectStorage *other = spl_object_storage_from_obj(orig);
spl_object_storage_addall(intern, other);
}
return &intern->std;
}
/* }}} */
/* {{{ spl_object_storage_clone */
static zend_object *spl_object_storage_clone(zend_object *old_object)
{
zend_object *new_object;
new_object = spl_object_storage_new_ex(old_object->ce, old_object);
zend_objects_clone_members(new_object, old_object);
return new_object;
}
/* }}} */
static HashTable* spl_object_storage_debug_info(zend_object *obj, int *is_temp) /* {{{ */
{
spl_SplObjectStorage *intern = spl_object_storage_from_obj(obj);
spl_SplObjectStorageElement *element;
HashTable *props;
zval tmp, storage;
zend_string *md5str;
zend_string *zname;
HashTable *debug_info;
*is_temp = 1;
props = obj->handlers->get_properties(obj);
debug_info = zend_new_array(zend_hash_num_elements(props) + 1);
zend_hash_copy(debug_info, props, (copy_ctor_func_t)zval_add_ref);
array_init(&storage);
ZEND_HASH_FOREACH_PTR(&intern->storage, element) {
md5str = php_spl_object_hash(&element->obj);
array_init(&tmp);
/* Incrementing the refcount of obj and inf would confuse the garbage collector.
* Prefer to null the destructor */
Z_ARRVAL_P(&tmp)->pDestructor = NULL;
add_assoc_zval_ex(&tmp, "obj", sizeof("obj") - 1, &element->obj);
add_assoc_zval_ex(&tmp, "inf", sizeof("inf") - 1, &element->inf);
zend_hash_update(Z_ARRVAL(storage), md5str, &tmp);
zend_string_release_ex(md5str, 0);
} ZEND_HASH_FOREACH_END();
zname = spl_gen_private_prop_name(spl_ce_SplObjectStorage, "storage", sizeof("storage")-1);
zend_symtable_update(debug_info, zname, &storage);
zend_string_release_ex(zname, 0);
return debug_info;
}
/* }}} */
/* overridden for garbage collection */
static HashTable *spl_object_storage_get_gc(zend_object *obj, zval **table, int *n) /* {{{ */
{
int i = 0;
spl_SplObjectStorage *intern = spl_object_storage_from_obj(obj);
spl_SplObjectStorageElement *element;
if (intern->storage.nNumOfElements * 2 > intern->gcdata_num) {
intern->gcdata_num = intern->storage.nNumOfElements * 2;
intern->gcdata = (zval*)erealloc(intern->gcdata, sizeof(zval) * intern->gcdata_num);
}
ZEND_HASH_FOREACH_PTR(&intern->storage, element) {
ZVAL_COPY_VALUE(&intern->gcdata[i++], &element->obj);
ZVAL_COPY_VALUE(&intern->gcdata[i++], &element->inf);
} ZEND_HASH_FOREACH_END();
*table = intern->gcdata;
*n = i;
return zend_std_get_properties(obj);
}
/* }}} */
static int spl_object_storage_compare_info(zval *e1, zval *e2) /* {{{ */
{
spl_SplObjectStorageElement *s1 = (spl_SplObjectStorageElement*)Z_PTR_P(e1);
spl_SplObjectStorageElement *s2 = (spl_SplObjectStorageElement*)Z_PTR_P(e2);
return zend_compare(&s1->inf, &s2->inf);
}
/* }}} */
static int spl_object_storage_compare_objects(zval *o1, zval *o2) /* {{{ */
{
zend_object *zo1;
zend_object *zo2;
ZEND_COMPARE_OBJECTS_FALLBACK(o1, o2);
zo1 = (zend_object *)Z_OBJ_P(o1);
zo2 = (zend_object *)Z_OBJ_P(o2);
if (zo1->ce != spl_ce_SplObjectStorage || zo2->ce != spl_ce_SplObjectStorage) {
return 1;
}
return zend_hash_compare(&(Z_SPLOBJSTORAGE_P(o1))->storage, &(Z_SPLOBJSTORAGE_P(o2))->storage, (compare_func_t)spl_object_storage_compare_info, 0);
}
/* }}} */
/* {{{ spl_array_object_new */
static zend_object *spl_SplObjectStorage_new(zend_class_entry *class_type)
{
return spl_object_storage_new_ex(class_type, NULL);
}
/* }}} */
int spl_object_storage_contains(spl_SplObjectStorage *intern, zval *obj) /* {{{ */
{
int found;
zend_hash_key key;
if (spl_object_storage_get_hash(&key, intern, obj) == FAILURE) {
return 0;
}
if (key.key) {
found = zend_hash_exists(&intern->storage, key.key);
} else {
found = zend_hash_index_exists(&intern->storage, key.h);
}
spl_object_storage_free_hash(intern, &key);
return found;
} /* }}} */
/* {{{ proto void SplObjectStorage::attach(object obj, mixed data = NULL)
Attaches an object to the storage if not yet contained */
SPL_METHOD(SplObjectStorage, attach)
{
zval *obj, *inf = NULL;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "o|z!", &obj, &inf) == FAILURE) {
return;
}
spl_object_storage_attach(intern, obj, inf);
} /* }}} */
/* {{{ proto void SplObjectStorage::detach(object obj)
Detaches an object from the storage */
SPL_METHOD(SplObjectStorage, detach)
{
zval *obj;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &obj) == FAILURE) {
return;
}
spl_object_storage_detach(intern, obj);
zend_hash_internal_pointer_reset_ex(&intern->storage, &intern->pos);
intern->index = 0;
} /* }}} */
/* {{{ proto string SplObjectStorage::getHash(object obj)
Returns the hash of an object */
SPL_METHOD(SplObjectStorage, getHash)
{
zval *obj;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &obj) == FAILURE) {
return;
}
RETURN_NEW_STR(php_spl_object_hash(obj));
} /* }}} */
/* {{{ proto mixed SplObjectStorage::offsetGet(object obj)
Returns associated information for a stored object */
SPL_METHOD(SplObjectStorage, offsetGet)
{
zval *obj;
spl_SplObjectStorageElement *element;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
zend_hash_key key;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &obj) == FAILURE) {
return;
}
if (spl_object_storage_get_hash(&key, intern, obj) == FAILURE) {
return;
}
element = spl_object_storage_get(intern, &key);
spl_object_storage_free_hash(intern, &key);
if (!element) {
zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Object not found");
} else {
zval *value = &element->inf;
ZVAL_COPY_DEREF(return_value, value);
}
} /* }}} */
/* {{{ proto bool SplObjectStorage::addAll(SplObjectStorage $os)
Add all elements contained in $os */
SPL_METHOD(SplObjectStorage, addAll)
{
zval *obj;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
spl_SplObjectStorage *other;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &obj, spl_ce_SplObjectStorage) == FAILURE) {
return;
}
other = Z_SPLOBJSTORAGE_P(obj);
spl_object_storage_addall(intern, other);
RETURN_LONG(zend_hash_num_elements(&intern->storage));
} /* }}} */
/* {{{ proto bool SplObjectStorage::removeAll(SplObjectStorage $os)
Remove all elements contained in $os */
SPL_METHOD(SplObjectStorage, removeAll)
{
zval *obj;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
spl_SplObjectStorage *other;
spl_SplObjectStorageElement *element;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &obj, spl_ce_SplObjectStorage) == FAILURE) {
return;
}
other = Z_SPLOBJSTORAGE_P(obj);
zend_hash_internal_pointer_reset(&other->storage);
while ((element = zend_hash_get_current_data_ptr(&other->storage)) != NULL) {
if (spl_object_storage_detach(intern, &element->obj) == FAILURE) {
zend_hash_move_forward(&other->storage);
}
}
zend_hash_internal_pointer_reset_ex(&intern->storage, &intern->pos);
intern->index = 0;
RETURN_LONG(zend_hash_num_elements(&intern->storage));
} /* }}} */
/* {{{ proto bool SplObjectStorage::removeAllExcept(SplObjectStorage $os)
Remove elements not common to both this SplObjectStorage instance and $os */
SPL_METHOD(SplObjectStorage, removeAllExcept)
{
zval *obj;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
spl_SplObjectStorage *other;
spl_SplObjectStorageElement *element;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &obj, spl_ce_SplObjectStorage) == FAILURE) {
return;
}
other = Z_SPLOBJSTORAGE_P(obj);
ZEND_HASH_FOREACH_PTR(&intern->storage, element) {
if (!spl_object_storage_contains(other, &element->obj)) {
spl_object_storage_detach(intern, &element->obj);
}
} ZEND_HASH_FOREACH_END();
zend_hash_internal_pointer_reset_ex(&intern->storage, &intern->pos);
intern->index = 0;
RETURN_LONG(zend_hash_num_elements(&intern->storage));
}
/* }}} */
/* {{{ proto bool SplObjectStorage::contains(object obj)
Determine whethe an object is contained in the storage */
SPL_METHOD(SplObjectStorage, contains)
{
zval *obj;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &obj) == FAILURE) {
return;
}
RETURN_BOOL(spl_object_storage_contains(intern, obj));
} /* }}} */
/* {{{ proto int SplObjectStorage::count()
Determine number of objects in storage */
SPL_METHOD(SplObjectStorage, count)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
zend_long mode = COUNT_NORMAL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &mode) == FAILURE) {
return;
}
if (mode == COUNT_RECURSIVE) {
zend_long ret;
if (mode != COUNT_RECURSIVE) {
ret = zend_hash_num_elements(&intern->storage);
} else {
ret = php_count_recursive(&intern->storage);
}
RETURN_LONG(ret);
return;
}
RETURN_LONG(zend_hash_num_elements(&intern->storage));
} /* }}} */
/* {{{ proto void SplObjectStorage::rewind()
Rewind to first position */
SPL_METHOD(SplObjectStorage, rewind)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
zend_hash_internal_pointer_reset_ex(&intern->storage, &intern->pos);
intern->index = 0;
} /* }}} */
/* {{{ proto bool SplObjectStorage::valid()
Returns whether current position is valid */
SPL_METHOD(SplObjectStorage, valid)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
RETURN_BOOL(zend_hash_has_more_elements_ex(&intern->storage, &intern->pos) == SUCCESS);
} /* }}} */
/* {{{ proto mixed SplObjectStorage::key()
Returns current key */
SPL_METHOD(SplObjectStorage, key)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
RETURN_LONG(intern->index);
} /* }}} */
/* {{{ proto mixed SplObjectStorage::current()
Returns current element */
SPL_METHOD(SplObjectStorage, current)
{
spl_SplObjectStorageElement *element;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
if ((element = zend_hash_get_current_data_ptr_ex(&intern->storage, &intern->pos)) == NULL) {
return;
}
ZVAL_COPY(return_value, &element->obj);
} /* }}} */
/* {{{ proto mixed SplObjectStorage::getInfo()
Returns associated information to current element */
SPL_METHOD(SplObjectStorage, getInfo)
{
spl_SplObjectStorageElement *element;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
if ((element = zend_hash_get_current_data_ptr_ex(&intern->storage, &intern->pos)) == NULL) {
return;
}
ZVAL_COPY(return_value, &element->inf);
} /* }}} */
/* {{{ proto mixed SplObjectStorage::setInfo(mixed $inf)
Sets associated information of current element to $inf */
SPL_METHOD(SplObjectStorage, setInfo)
{
spl_SplObjectStorageElement *element;
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
zval *inf;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &inf) == FAILURE) {
return;
}
if ((element = zend_hash_get_current_data_ptr_ex(&intern->storage, &intern->pos)) == NULL) {
return;
}
zval_ptr_dtor(&element->inf);
ZVAL_COPY(&element->inf, inf);
} /* }}} */
/* {{{ proto void SplObjectStorage::next()
Moves position forward */
SPL_METHOD(SplObjectStorage, next)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
zend_hash_move_forward_ex(&intern->storage, &intern->pos);
intern->index++;
} /* }}} */
/* {{{ proto string SplObjectStorage::serialize()
Serializes storage */
SPL_METHOD(SplObjectStorage, serialize)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
spl_SplObjectStorageElement *element;
zval members, flags;
HashPosition pos;
php_serialize_data_t var_hash;
smart_str buf = {0};
if (zend_parse_parameters_none() == FAILURE) {
return;
}
PHP_VAR_SERIALIZE_INIT(var_hash);
/* storage */
smart_str_appendl(&buf, "x:", 2);
ZVAL_LONG(&flags, zend_hash_num_elements(&intern->storage));
php_var_serialize(&buf, &flags, &var_hash);
zend_hash_internal_pointer_reset_ex(&intern->storage, &pos);
while (zend_hash_has_more_elements_ex(&intern->storage, &pos) == SUCCESS) {
if ((element = zend_hash_get_current_data_ptr_ex(&intern->storage, &pos)) == NULL) {
smart_str_free(&buf);
PHP_VAR_SERIALIZE_DESTROY(var_hash);
RETURN_NULL();
}
php_var_serialize(&buf, &element->obj, &var_hash);
smart_str_appendc(&buf, ',');
php_var_serialize(&buf, &element->inf, &var_hash);
smart_str_appendc(&buf, ';');
zend_hash_move_forward_ex(&intern->storage, &pos);
}
/* members */
smart_str_appendl(&buf, "m:", 2);
ZVAL_ARR(&members, zend_array_dup(zend_std_get_properties(Z_OBJ_P(ZEND_THIS))));
php_var_serialize(&buf, &members, &var_hash); /* finishes the string */
zval_ptr_dtor(&members);
/* done */
PHP_VAR_SERIALIZE_DESTROY(var_hash);
if (buf.s) {
RETURN_NEW_STR(buf.s);
} else {
RETURN_NULL();
}
} /* }}} */
/* {{{ proto void SplObjectStorage::unserialize(string serialized)
Unserializes storage */
SPL_METHOD(SplObjectStorage, unserialize)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
char *buf;
size_t buf_len;
const unsigned char *p, *s;
php_unserialize_data_t var_hash;
zval entry, inf;
zval *pcount, *pmembers;
spl_SplObjectStorageElement *element;
zend_long count;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &buf, &buf_len) == FAILURE) {
return;
}
if (buf_len == 0) {
return;
}
/* storage */
s = p = (const unsigned char*)buf;
PHP_VAR_UNSERIALIZE_INIT(var_hash);
if (*p!= 'x' || *++p != ':') {
goto outexcept;
}
++p;
pcount = var_tmp_var(&var_hash);
if (!php_var_unserialize(pcount, &p, s + buf_len, &var_hash) || Z_TYPE_P(pcount) != IS_LONG) {
goto outexcept;
}
--p; /* for ';' */
count = Z_LVAL_P(pcount);
if (count < 0) {
goto outexcept;
}
ZVAL_UNDEF(&entry);
ZVAL_UNDEF(&inf);
while (count-- > 0) {
spl_SplObjectStorageElement *pelement;
zend_hash_key key;
if (*p != ';') {
goto outexcept;
}
++p;
if(*p != 'O' && *p != 'C' && *p != 'r') {
goto outexcept;
}
/* store reference to allow cross-references between different elements */
if (!php_var_unserialize(&entry, &p, s + buf_len, &var_hash)) {
zval_ptr_dtor(&entry);
goto outexcept;
}
if (*p == ',') { /* new version has inf */
++p;
if (!php_var_unserialize(&inf, &p, s + buf_len, &var_hash)) {
zval_ptr_dtor(&entry);
zval_ptr_dtor(&inf);
goto outexcept;
}
}
if (Z_TYPE(entry) != IS_OBJECT) {
zval_ptr_dtor(&entry);
zval_ptr_dtor(&inf);
goto outexcept;
}
if (spl_object_storage_get_hash(&key, intern, &entry) == FAILURE) {
zval_ptr_dtor(&entry);
zval_ptr_dtor(&inf);
goto outexcept;
}
pelement = spl_object_storage_get(intern, &key);
spl_object_storage_free_hash(intern, &key);
if (pelement) {
if (!Z_ISUNDEF(pelement->inf)) {
var_push_dtor(&var_hash, &pelement->inf);
}
if (!Z_ISUNDEF(pelement->obj)) {
var_push_dtor(&var_hash, &pelement->obj);
}
}
element = spl_object_storage_attach(intern, &entry, Z_ISUNDEF(inf)?NULL:&inf);
var_replace(&var_hash, &entry, &element->obj);
var_replace(&var_hash, &inf, &element->inf);
zval_ptr_dtor(&entry);
ZVAL_UNDEF(&entry);
zval_ptr_dtor(&inf);
ZVAL_UNDEF(&inf);
}
if (*p != ';') {
goto outexcept;
}
++p;
/* members */
if (*p!= 'm' || *++p != ':') {
goto outexcept;
}
++p;
pmembers = var_tmp_var(&var_hash);
if (!php_var_unserialize(pmembers, &p, s + buf_len, &var_hash) || Z_TYPE_P(pmembers) != IS_ARRAY) {
goto outexcept;
}
/* copy members */
object_properties_load(&intern->std, Z_ARRVAL_P(pmembers));
PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
return;
outexcept:
PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Error at offset %zd of %zd bytes", ((char*)p - buf), buf_len);
return;
} /* }}} */
/* {{{ proto auto SplObjectStorage::__serialize() */
SPL_METHOD(SplObjectStorage, __serialize)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
spl_SplObjectStorageElement *elem;
zval tmp;
if (zend_parse_parameters_none_throw() == FAILURE) {
return;
}
array_init(return_value);
/* storage */
array_init_size(&tmp, 2 * zend_hash_num_elements(&intern->storage));
ZEND_HASH_FOREACH_PTR(&intern->storage, elem) {
Z_TRY_ADDREF(elem->obj);
zend_hash_next_index_insert(Z_ARRVAL(tmp), &elem->obj);
Z_TRY_ADDREF(elem->inf);
zend_hash_next_index_insert(Z_ARRVAL(tmp), &elem->inf);
} ZEND_HASH_FOREACH_END();
zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &tmp);
/* members */
ZVAL_ARR(&tmp, zend_std_get_properties(&intern->std));
Z_TRY_ADDREF(tmp);
zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &tmp);
} /* }}} */
/* {{{ proto void SplObjectStorage::__unserialize(array serialized) */
SPL_METHOD(SplObjectStorage, __unserialize)
{
spl_SplObjectStorage *intern = Z_SPLOBJSTORAGE_P(ZEND_THIS);
HashTable *data;
zval *storage_zv, *members_zv, *key, *val;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "h", &data) == FAILURE) {
return;
}
storage_zv = zend_hash_index_find(data, 0);
members_zv = zend_hash_index_find(data, 1);
if (!storage_zv || !members_zv ||
Z_TYPE_P(storage_zv) != IS_ARRAY || Z_TYPE_P(members_zv) != IS_ARRAY) {
zend_throw_exception(spl_ce_UnexpectedValueException,
"Incomplete or ill-typed serialization data", 0);
return;
}
if (zend_hash_num_elements(Z_ARRVAL_P(storage_zv)) % 2 != 0) {
zend_throw_exception(spl_ce_UnexpectedValueException, "Odd number of elements", 0);
return;
}
key = NULL;
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(storage_zv), val) {
if (key) {
if (Z_TYPE_P(key) != IS_OBJECT) {
zend_throw_exception(spl_ce_UnexpectedValueException, "Non-object key", 0);
return;
}
spl_object_storage_attach(intern, key, val);
key = NULL;
} else {
key = val;
}
} ZEND_HASH_FOREACH_END();
object_properties_load(&intern->std, Z_ARRVAL_P(members_zv));
}
ZEND_BEGIN_ARG_INFO(arginfo_Object, 0)
ZEND_ARG_INFO(0, object)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_attach, 0, 0, 1)
ZEND_ARG_INFO(0, object)
ZEND_ARG_INFO(0, data)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO(arginfo_Serialized, 0)
ZEND_ARG_INFO(0, serialized)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO(arginfo_setInfo, 0)
ZEND_ARG_INFO(0, info)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO(arginfo_getHash, 0)
ZEND_ARG_INFO(0, object)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_offsetGet, 0, 0, 1)
ZEND_ARG_INFO(0, object)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_splobject_void, 0)
ZEND_END_ARG_INFO()
static const zend_function_entry spl_funcs_SplObjectStorage[] = {
SPL_ME(SplObjectStorage, attach, arginfo_attach, 0)
SPL_ME(SplObjectStorage, detach, arginfo_Object, 0)
SPL_ME(SplObjectStorage, contains, arginfo_Object, 0)
SPL_ME(SplObjectStorage, addAll, arginfo_Object, 0)
SPL_ME(SplObjectStorage, removeAll, arginfo_Object, 0)
SPL_ME(SplObjectStorage, removeAllExcept, arginfo_Object, 0)
SPL_ME(SplObjectStorage, getInfo, arginfo_splobject_void,0)
SPL_ME(SplObjectStorage, setInfo, arginfo_setInfo, 0)
SPL_ME(SplObjectStorage, getHash, arginfo_getHash, 0)
/* Countable */
SPL_ME(SplObjectStorage, count, arginfo_splobject_void,0)
/* Iterator */
SPL_ME(SplObjectStorage, rewind, arginfo_splobject_void,0)
SPL_ME(SplObjectStorage, valid, arginfo_splobject_void,0)
SPL_ME(SplObjectStorage, key, arginfo_splobject_void,0)
SPL_ME(SplObjectStorage, current, arginfo_splobject_void,0)
SPL_ME(SplObjectStorage, next, arginfo_splobject_void,0)
/* Serializable */
SPL_ME(SplObjectStorage, unserialize, arginfo_Serialized, 0)
SPL_ME(SplObjectStorage, serialize, arginfo_splobject_void,0)
SPL_ME(SplObjectStorage, __unserialize, arginfo_Serialized, 0)
SPL_ME(SplObjectStorage, __serialize, arginfo_splobject_void,0)
/* ArrayAccess */
SPL_MA(SplObjectStorage, offsetExists, SplObjectStorage, contains, arginfo_offsetGet, 0)
SPL_MA(SplObjectStorage, offsetSet, SplObjectStorage, attach, arginfo_attach, 0)
SPL_MA(SplObjectStorage, offsetUnset, SplObjectStorage, detach, arginfo_offsetGet, 0)
SPL_ME(SplObjectStorage, offsetGet, arginfo_offsetGet, 0)