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spl_fixedarray.c
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spl_fixedarray.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 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: Antony Dovgal <tony@daylessday.org> |
| Etienne Kneuss <colder@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "zend_exceptions.h"
#include "php_spl.h"
#include "spl_functions.h"
#include "spl_engine.h"
#include "spl_fixedarray.h"
#include "spl_exceptions.h"
#include "spl_iterators.h"
zend_object_handlers spl_handler_SplFixedArray;
PHPAPI zend_class_entry *spl_ce_SplFixedArray;
#ifdef COMPILE_DL_SPL_FIXEDARRAY
ZEND_GET_MODULE(spl_fixedarray)
#endif
typedef struct _spl_fixedarray { /* {{{ */
long size;
zval **elements;
} spl_fixedarray;
/* }}} */
typedef struct _spl_fixedarray_object { /* {{{ */
zend_object std;
spl_fixedarray *array;
zval *retval;
zend_function *fptr_offset_get;
zend_function *fptr_offset_set;
zend_function *fptr_offset_has;
zend_function *fptr_offset_del;
zend_function *fptr_count;
int current;
int flags;
zend_class_entry *ce_get_iterator;
} spl_fixedarray_object;
/* }}} */
typedef struct _spl_fixedarray_it { /* {{{ */
zend_user_iterator intern;
spl_fixedarray_object *object;
} spl_fixedarray_it;
/* }}} */
#define SPL_FIXEDARRAY_OVERLOADED_REWIND 0x0001
#define SPL_FIXEDARRAY_OVERLOADED_VALID 0x0002
#define SPL_FIXEDARRAY_OVERLOADED_KEY 0x0004
#define SPL_FIXEDARRAY_OVERLOADED_CURRENT 0x0008
#define SPL_FIXEDARRAY_OVERLOADED_NEXT 0x0010
static void spl_fixedarray_init(spl_fixedarray *array, long size TSRMLS_DC) /* {{{ */
{
if (size > 0) {
array->size = 0; /* reset size in case ecalloc() fails */
array->elements = ecalloc(size, sizeof(zval *));
array->size = size;
} else {
array->elements = NULL;
array->size = 0;
}
}
/* }}} */
static void spl_fixedarray_resize(spl_fixedarray *array, long size TSRMLS_DC) /* {{{ */
{
if (size == array->size) {
/* nothing to do */
return;
}
/* first initialization */
if (array->size == 0) {
spl_fixedarray_init(array, size TSRMLS_CC);
return;
}
/* clearing the array */
if (size == 0) {
long i;
for (i = 0; i < array->size; i++) {
if (array->elements[i]) {
zval_ptr_dtor(&(array->elements[i]));
}
}
if (array->elements) {
efree(array->elements);
array->elements = NULL;
}
} else if (size > array->size) {
array->elements = erealloc(array->elements, sizeof(zval *) * size);
memset(array->elements + array->size, '\0', sizeof(zval *) * (size - array->size));
} else { /* size < array->size */
long i;
for (i = size; i < array->size; i++) {
if (array->elements[i]) {
zval_ptr_dtor(&(array->elements[i]));
}
}
array->elements = erealloc(array->elements, sizeof(zval *) * size);
}
array->size = size;
}
/* }}} */
static void spl_fixedarray_copy(spl_fixedarray *to, spl_fixedarray *from TSRMLS_DC) /* {{{ */
{
int i;
for (i = 0; i < from->size; i++) {
if (from->elements[i]) {
Z_ADDREF_P(from->elements[i]);
to->elements[i] = from->elements[i];
} else {
to->elements[i] = NULL;
}
}
}
/* }}} */
static HashTable* spl_fixedarray_object_get_properties(zval *obj TSRMLS_DC) /* {{{{ */
{
spl_fixedarray_object *intern = (spl_fixedarray_object*)zend_object_store_get_object(obj TSRMLS_CC);
int i = 0;
if (intern->array) {
for (i = 0; i < intern->array->size; i++) {
if (intern->array->elements[i]) {
zend_hash_index_update(intern->std.properties, i, (void *)&intern->array->elements[i], sizeof(zval *), NULL);
Z_ADDREF_P(intern->array->elements[i]);
} else {
zend_hash_index_update(intern->std.properties, i, (void *)&EG(uninitialized_zval_ptr), sizeof(zval *), NULL);
Z_ADDREF_P(EG(uninitialized_zval_ptr));
}
}
}
return intern->std.properties;
}
/* }}}} */
static void spl_fixedarray_object_free_storage(void *object TSRMLS_DC) /* {{{ */
{
spl_fixedarray_object *intern = (spl_fixedarray_object *)object;
long i;
if (intern->array) {
for (i = 0; i < intern->array->size; i++) {
if (intern->array->elements[i]) {
zval_ptr_dtor(&(intern->array->elements[i]));
}
}
if (intern->array->size > 0 && intern->array->elements) {
efree(intern->array->elements);
}
efree(intern->array);
}
zend_object_std_dtor(&intern->std TSRMLS_CC);
zval_ptr_dtor(&intern->retval);
efree(object);
}
/* }}} */
zend_object_iterator *spl_fixedarray_get_iterator(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC);
static zend_object_value spl_fixedarray_object_new_ex(zend_class_entry *class_type, spl_fixedarray_object **obj, zval *orig, int clone_orig TSRMLS_DC) /* {{{ */
{
zend_object_value retval;
spl_fixedarray_object *intern;
zval *tmp;
zend_class_entry *parent = class_type;
int inherited = 0;
intern = ecalloc(1, sizeof(spl_fixedarray_object));
*obj = intern;
ALLOC_INIT_ZVAL(intern->retval);
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 *));
intern->current = 0;
intern->flags = 0;
if (orig && clone_orig) {
spl_fixedarray_object *other = (spl_fixedarray_object*)zend_object_store_get_object(orig TSRMLS_CC);
intern->ce_get_iterator = other->ce_get_iterator;
intern->array = emalloc(sizeof(spl_fixedarray));
spl_fixedarray_init(intern->array, other->array->size TSRMLS_CC);
spl_fixedarray_copy(intern->array, other->array TSRMLS_CC);
}
while (parent) {
if (parent == spl_ce_SplFixedArray) {
retval.handlers = &spl_handler_SplFixedArray;
class_type->get_iterator = spl_fixedarray_get_iterator;
break;
}
parent = parent->parent;
inherited = 1;
}
retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, spl_fixedarray_object_free_storage, NULL TSRMLS_CC);
if (!parent) { /* this must never happen */
php_error_docref(NULL TSRMLS_CC, E_COMPILE_ERROR, "Internal compiler error, Class is not child of SplFixedArray");
}
if (!class_type->iterator_funcs.zf_current) {
zend_hash_find(&class_type->function_table, "rewind", sizeof("rewind"), (void **) &class_type->iterator_funcs.zf_rewind);
zend_hash_find(&class_type->function_table, "valid", sizeof("valid"), (void **) &class_type->iterator_funcs.zf_valid);
zend_hash_find(&class_type->function_table, "key", sizeof("key"), (void **) &class_type->iterator_funcs.zf_key);
zend_hash_find(&class_type->function_table, "current", sizeof("current"), (void **) &class_type->iterator_funcs.zf_current);
zend_hash_find(&class_type->function_table, "next", sizeof("next"), (void **) &class_type->iterator_funcs.zf_next);
}
if (inherited) {
if (class_type->iterator_funcs.zf_rewind->common.scope != parent) {
intern->flags |= SPL_FIXEDARRAY_OVERLOADED_REWIND;
}
if (class_type->iterator_funcs.zf_valid->common.scope != parent) {
intern->flags |= SPL_FIXEDARRAY_OVERLOADED_VALID;
}
if (class_type->iterator_funcs.zf_key->common.scope != parent) {
intern->flags |= SPL_FIXEDARRAY_OVERLOADED_KEY;
}
if (class_type->iterator_funcs.zf_current->common.scope != parent) {
intern->flags |= SPL_FIXEDARRAY_OVERLOADED_CURRENT;
}
if (class_type->iterator_funcs.zf_next->common.scope != parent) {
intern->flags |= SPL_FIXEDARRAY_OVERLOADED_NEXT;
}
zend_hash_find(&class_type->function_table, "offsetget", sizeof("offsetget"), (void **) &intern->fptr_offset_get);
if (intern->fptr_offset_get->common.scope == parent) {
intern->fptr_offset_get = NULL;
}
zend_hash_find(&class_type->function_table, "offsetset", sizeof("offsetset"), (void **) &intern->fptr_offset_set);
if (intern->fptr_offset_set->common.scope == parent) {
intern->fptr_offset_set = NULL;
}
zend_hash_find(&class_type->function_table, "offsetexists", sizeof("offsetexists"), (void **) &intern->fptr_offset_has);
if (intern->fptr_offset_has->common.scope == parent) {
intern->fptr_offset_has = NULL;
}
zend_hash_find(&class_type->function_table, "offsetunset", sizeof("offsetunset"), (void **) &intern->fptr_offset_del);
if (intern->fptr_offset_del->common.scope == parent) {
intern->fptr_offset_del = NULL;
}
zend_hash_find(&class_type->function_table, "count", sizeof("count"), (void **) &intern->fptr_count);
if (intern->fptr_count->common.scope == parent) {
intern->fptr_count = NULL;
}
}
return retval;
}
/* }}} */
static zend_object_value spl_fixedarray_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
{
spl_fixedarray_object *tmp;
return spl_fixedarray_object_new_ex(class_type, &tmp, NULL, 0 TSRMLS_CC);
}
/* }}} */
static zend_object_value spl_fixedarray_object_clone(zval *zobject TSRMLS_DC) /* {{{ */
{
zend_object_value new_obj_val;
zend_object *old_object;
zend_object *new_object;
zend_object_handle handle = Z_OBJ_HANDLE_P(zobject);
spl_fixedarray_object *intern;
old_object = zend_objects_get_address(zobject TSRMLS_CC);
new_obj_val = spl_fixedarray_object_new_ex(old_object->ce, &intern, zobject, 1 TSRMLS_CC);
new_object = &intern->std;
zend_objects_clone_members(new_object, new_obj_val, old_object, handle TSRMLS_CC);
return new_obj_val;
}
/* }}} */
static inline zval **spl_fixedarray_object_read_dimension_helper(spl_fixedarray_object *intern, zval *offset TSRMLS_DC) /* {{{ */
{
long index;
/* we have to return NULL on error here to avoid memleak because of
* ZE duplicating uninitialized_zval_ptr */
if (!offset) {
zend_throw_exception(spl_ce_RuntimeException, "Index invalid or out of range", 0 TSRMLS_CC);
return NULL;
}
if (Z_TYPE_P(offset) != IS_LONG) {
index = spl_offset_convert_to_long(offset TSRMLS_CC);
} else {
index = Z_LVAL_P(offset);
}
if (index < 0 || intern->array == NULL || index >= intern->array->size) {
zend_throw_exception(spl_ce_RuntimeException, "Index invalid or out of range", 0 TSRMLS_CC);
return NULL;
} else if(!intern->array->elements[index]) {
return NULL;
} else {
return &intern->array->elements[index];
}
}
/* }}} */
static zval *spl_fixedarray_object_read_dimension(zval *object, zval *offset, int type TSRMLS_DC) /* {{{ */
{
spl_fixedarray_object *intern;
zval **retval;
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (intern->fptr_offset_get) {
zval *rv;
SEPARATE_ARG_IF_REF(offset);
zend_call_method_with_1_params(&object, intern->std.ce, &intern->fptr_offset_get, "offsetGet", &rv, offset);
zval_ptr_dtor(&offset);
if (rv) {
zval_ptr_dtor(&intern->retval);
MAKE_STD_ZVAL(intern->retval);
ZVAL_ZVAL(intern->retval, rv, 1, 1);
return intern->retval;
}
return EG(uninitialized_zval_ptr);
}
retval = spl_fixedarray_object_read_dimension_helper(intern, offset TSRMLS_CC);
if (retval) {
return *retval;
}
return NULL;
}
/* }}} */
static inline void spl_fixedarray_object_write_dimension_helper(spl_fixedarray_object *intern, zval *offset, zval *value TSRMLS_DC) /* {{{ */
{
long index;
if (!offset) {
/* '$array[] = value' syntax is not supported */
zend_throw_exception(spl_ce_RuntimeException, "Index invalid or out of range", 0 TSRMLS_CC);
return;
}
if (Z_TYPE_P(offset) != IS_LONG) {
index = spl_offset_convert_to_long(offset TSRMLS_CC);
} else {
index = Z_LVAL_P(offset);
}
if (index < 0 || intern->array == NULL || index >= intern->array->size) {
zend_throw_exception(spl_ce_RuntimeException, "Index invalid or out of range", 0 TSRMLS_CC);
return;
} else {
if (intern->array->elements[index]) {
zval_ptr_dtor(&(intern->array->elements[index]));
}
SEPARATE_ARG_IF_REF(value);
intern->array->elements[index] = value;
}
}
/* }}} */
static void spl_fixedarray_object_write_dimension(zval *object, zval *offset, zval *value TSRMLS_DC) /* {{{ */
{
spl_fixedarray_object *intern;
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (intern->fptr_offset_set) {
SEPARATE_ARG_IF_REF(offset);
SEPARATE_ARG_IF_REF(value);
zend_call_method_with_2_params(&object, intern->std.ce, &intern->fptr_offset_set, "offsetSet", NULL, offset, value);
zval_ptr_dtor(&value);
zval_ptr_dtor(&offset);
return;
}
spl_fixedarray_object_write_dimension_helper(intern, offset, value TSRMLS_CC);
}
/* }}} */
static inline void spl_fixedarray_object_unset_dimension_helper(spl_fixedarray_object *intern, zval *offset TSRMLS_DC) /* {{{ */
{
long index;
if (Z_TYPE_P(offset) != IS_LONG) {
index = spl_offset_convert_to_long(offset TSRMLS_CC);
} else {
index = Z_LVAL_P(offset);
}
if (index < 0 || intern->array == NULL || index >= intern->array->size) {
zend_throw_exception(spl_ce_RuntimeException, "Index invalid or out of range", 0 TSRMLS_CC);
return;
} else {
if (intern->array->elements[index]) {
zval_ptr_dtor(&(intern->array->elements[index]));
}
intern->array->elements[index] = NULL;
}
}
/* }}} */
static void spl_fixedarray_object_unset_dimension(zval *object, zval *offset TSRMLS_DC) /* {{{ */
{
spl_fixedarray_object *intern;
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (intern->fptr_offset_del) {
SEPARATE_ARG_IF_REF(offset);
zend_call_method_with_1_params(&object, intern->std.ce, &intern->fptr_offset_del, "offsetUnset", NULL, offset);
zval_ptr_dtor(&offset);
return;
}
spl_fixedarray_object_unset_dimension_helper(intern, offset TSRMLS_CC);
}
/* }}} */
static inline int spl_fixedarray_object_has_dimension_helper(spl_fixedarray_object *intern, zval *offset, int check_empty TSRMLS_DC) /* {{{ */
{
long index;
int retval;
if (Z_TYPE_P(offset) != IS_LONG) {
index = spl_offset_convert_to_long(offset TSRMLS_CC);
} else {
index = Z_LVAL_P(offset);
}
if (index < 0 || intern->array == NULL || index >= intern->array->size) {
retval = 0;
} else {
if (!intern->array->elements[index]) {
retval = 0;
} else if (check_empty) {
if (zend_is_true(intern->array->elements[index])) {
retval = 1;
} else {
retval = 0;
}
} else { /* != NULL and !check_empty */
retval = 1;
}
}
return retval;
}
/* }}} */
static int spl_fixedarray_object_has_dimension(zval *object, zval *offset, int check_empty TSRMLS_DC) /* {{{ */
{
spl_fixedarray_object *intern;
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (intern->fptr_offset_get) {
zval *rv;
SEPARATE_ARG_IF_REF(offset);
zend_call_method_with_1_params(&object, intern->std.ce, &intern->fptr_offset_has, "offsetExists", &rv, offset);
zval_ptr_dtor(&offset);
if (rv) {
zval_ptr_dtor(&intern->retval);
MAKE_STD_ZVAL(intern->retval);
ZVAL_ZVAL(intern->retval, rv, 1, 1);
return zend_is_true(intern->retval);
}
return 0;
}
return spl_fixedarray_object_has_dimension_helper(intern, offset, check_empty TSRMLS_CC);
}
/* }}} */
static int spl_fixedarray_object_count_elements(zval *object, long *count TSRMLS_DC) /* {{{ */
{
spl_fixedarray_object *intern;
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (intern->fptr_count) {
zval *rv;
zend_call_method_with_0_params(&object, intern->std.ce, &intern->fptr_count, "count", &rv);
if (rv) {
zval_ptr_dtor(&intern->retval);
MAKE_STD_ZVAL(intern->retval);
ZVAL_ZVAL(intern->retval, rv, 1, 1);
convert_to_long(intern->retval);
*count = (long) Z_LVAL_P(intern->retval);
return SUCCESS;
}
} else if (intern->array) {
*count = intern->array->size;
return SUCCESS;
}
*count = 0;
return SUCCESS;
}
/* }}} */
/* {{{ proto void SplFixedArray::__construct([int size])
*/
SPL_METHOD(SplFixedArray, __construct)
{
zval *object = getThis();
spl_fixedarray_object *intern;
long size = 0;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &size)) {
return;
}
if (size < 0) {
zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0 TSRMLS_CC, "array size cannot be less than zero");
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (intern->array) {
/* called __construct() twice, bail out */
return;
}
intern->array = emalloc(sizeof(spl_fixedarray));
spl_fixedarray_init(intern->array, size TSRMLS_CC);
}
/* }}} */
/* {{{ proto int SplFixedArray::count(void)
*/
SPL_METHOD(SplFixedArray, count)
{
zval *object = getThis();
spl_fixedarray_object *intern;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "")) {
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (intern->array) {
RETURN_LONG(intern->array->size);
}
RETURN_LONG(0);
}
/* }}} */
/* {{{ proto object SplFixedArray::toArray()
*/
SPL_METHOD(SplFixedArray, toArray)
{
spl_fixedarray_object *intern;
zval *ret, *tmp;
HashTable *ret_ht, *obj_ht;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "")) {
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
ALLOC_HASHTABLE(ret_ht);
zend_hash_init(ret_ht, 0, NULL, ZVAL_PTR_DTOR, 0);
ALLOC_INIT_ZVAL(ret);
Z_TYPE_P(ret) = IS_ARRAY;
obj_ht = spl_fixedarray_object_get_properties(getThis() TSRMLS_CC);
zend_hash_copy(ret_ht, obj_ht, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
Z_ARRVAL_P(ret) = ret_ht;
RETURN_ZVAL(ret, 1, 1);
}
/* }}} */
/* {{{ proto object SplFixedArray::fromArray(array data[, bool save_indexes])
*/
SPL_METHOD(SplFixedArray, fromArray)
{
zval *data;
spl_fixedarray *array;
spl_fixedarray_object *intern;
int num;
zend_bool save_indexes = 1;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a|b", &data, &save_indexes)) {
return;
}
array = ecalloc(1, sizeof(*array));
num = zend_hash_num_elements(Z_ARRVAL_P(data));
if (num > 0 && save_indexes) {
zval **element, *value;
char *str_index;
ulong num_index, max_index = 0;
long tmp;
for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(data));
zend_hash_get_current_data(Z_ARRVAL_P(data), (void **) &element) == SUCCESS;
zend_hash_move_forward(Z_ARRVAL_P(data))
) {
if (zend_hash_get_current_key(Z_ARRVAL_P(data), &str_index, &num_index, 0) != HASH_KEY_IS_LONG || (long)num_index < 0) {
efree(array);
zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0 TSRMLS_CC, "array must contain only positive integer keys");
return;
}
if (num_index > max_index) {
max_index = num_index;
}
}
tmp = max_index + 1;
if (tmp <= 0) {
efree(array);
zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0 TSRMLS_CC, "integer overflow detected");
return;
}
spl_fixedarray_init(array, tmp TSRMLS_CC);
for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(data));
zend_hash_get_current_data(Z_ARRVAL_P(data), (void **) &element) == SUCCESS;
zend_hash_move_forward(Z_ARRVAL_P(data))
) {
zend_hash_get_current_key(Z_ARRVAL_P(data), &str_index, &num_index, 0);
value = *element;
SEPARATE_ARG_IF_REF(value);
array->elements[num_index] = value;
}
} else if (num > 0 && !save_indexes) {
zval **element, *value;
long i = 0;
spl_fixedarray_init(array, num TSRMLS_CC);
for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(data));
zend_hash_get_current_data(Z_ARRVAL_P(data), (void **) &element) == SUCCESS;
zend_hash_move_forward(Z_ARRVAL_P(data))
) {
value = *element;
SEPARATE_ARG_IF_REF(value);
array->elements[i] = value;
i++;
}
} else {
spl_fixedarray_init(array, 0 TSRMLS_CC);
}
object_init_ex(return_value, spl_ce_SplFixedArray);
Z_TYPE_P(return_value) = IS_OBJECT;
intern = (spl_fixedarray_object *)zend_object_store_get_object(return_value TSRMLS_CC);
intern->array = array;
}
/* }}} */
/* {{{ proto int SplFixedArray::getSize(void)
*/
SPL_METHOD(SplFixedArray, getSize)
{
zval *object = getThis();
spl_fixedarray_object *intern;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "")) {
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (intern->array) {
RETURN_LONG(intern->array->size);
}
RETURN_LONG(0);
}
/* }}} */
/* {{{ proto bool SplFixedArray::setSize(int size)
*/
SPL_METHOD(SplFixedArray, setSize)
{
zval *object = getThis();
spl_fixedarray_object *intern;
long size;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &size)) {
return;
}
if (size < 0) {
zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0 TSRMLS_CC, "array size cannot be less than zero");
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(object TSRMLS_CC);
if (!intern->array) {
intern->array = ecalloc(1, sizeof(spl_fixedarray));
}
spl_fixedarray_resize(intern->array, size TSRMLS_CC);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool SplFixedArray::offsetExists(mixed $index) U
Returns whether the requested $index exists. */
SPL_METHOD(SplFixedArray, offsetExists)
{
zval *zindex;
spl_fixedarray_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zindex) == FAILURE) {
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(spl_fixedarray_object_has_dimension_helper(intern, zindex, 0 TSRMLS_CC));
} /* }}} */
/* {{{ proto mixed SplFixedArray::offsetGet(mixed $index) U
Returns the value at the specified $index. */
SPL_METHOD(SplFixedArray, offsetGet)
{
zval *zindex, **value_pp;
spl_fixedarray_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zindex) == FAILURE) {
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
value_pp = spl_fixedarray_object_read_dimension_helper(intern, zindex TSRMLS_CC);
if (value_pp) {
RETURN_ZVAL(*value_pp, 1, 0);
}
RETURN_NULL();
} /* }}} */
/* {{{ proto void SplFixedArray::offsetSet(mixed $index, mixed $newval) U
Sets the value at the specified $index to $newval. */
SPL_METHOD(SplFixedArray, offsetSet)
{
zval *zindex, *value;
spl_fixedarray_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz", &zindex, &value) == FAILURE) {
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_fixedarray_object_write_dimension_helper(intern, zindex, value TSRMLS_CC);
} /* }}} */
/* {{{ proto void SplFixedArray::offsetUnset(mixed $index) U
Unsets the value at the specified $index. */
SPL_METHOD(SplFixedArray, offsetUnset)
{
zval *zindex;
spl_fixedarray_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zindex) == FAILURE) {
return;
}
intern = (spl_fixedarray_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
spl_fixedarray_object_unset_dimension_helper(intern, zindex TSRMLS_CC);
} /* }}} */
static void spl_fixedarray_it_dtor(zend_object_iterator *iter TSRMLS_DC) /* {{{ */
{
spl_fixedarray_it *iterator = (spl_fixedarray_it *)iter;
zend_user_it_invalidate_current(iter TSRMLS_CC);
zval_ptr_dtor((zval**)&iterator->intern.it.data);
efree(iterator);
}
/* }}} */
static void spl_fixedarray_it_rewind(zend_object_iterator *iter TSRMLS_DC) /* {{{ */
{
spl_fixedarray_it *iterator = (spl_fixedarray_it *)iter;
spl_fixedarray_object *intern = iterator->object;
if (intern->flags & SPL_FIXEDARRAY_OVERLOADED_REWIND) {
zend_user_it_rewind(iter TSRMLS_CC);
} else {
iterator->object->current = 0;
}
}
/* }}} */
static int spl_fixedarray_it_valid(zend_object_iterator *iter TSRMLS_DC) /* {{{ */
{
spl_fixedarray_it *iterator = (spl_fixedarray_it *)iter;
spl_fixedarray_object *intern = iterator->object;
if (intern->flags & SPL_FIXEDARRAY_OVERLOADED_VALID) {
return zend_user_it_valid(iter TSRMLS_CC);
}
if (iterator->object->current >= 0 && iterator->object->array && iterator->object->current < iterator->object->array->size) {
return SUCCESS;
}
return FAILURE;
}
/* }}} */
static void spl_fixedarray_it_get_current_data(zend_object_iterator *iter, zval ***data TSRMLS_DC) /* {{{ */
{
zval *zindex;
spl_fixedarray_it *iterator = (spl_fixedarray_it *)iter;
spl_fixedarray_object *intern = iterator->object;
if (intern->flags & SPL_FIXEDARRAY_OVERLOADED_CURRENT) {
zend_user_it_get_current_data(iter, data TSRMLS_CC);
} else {
ALLOC_INIT_ZVAL(zindex);
ZVAL_LONG(zindex, iterator->object->current);
*data = spl_fixedarray_object_read_dimension_helper(intern, zindex TSRMLS_CC);
if (*data == NULL) {
*data = &EG(uninitialized_zval_ptr);
}
zval_ptr_dtor(&zindex);
}
}
/* }}} */
static int spl_fixedarray_it_get_current_key(zend_object_iterator *iter, char **str_key, uint *str_key_len, ulong *int_key TSRMLS_DC) /* {{{ */
{
spl_fixedarray_it *iterator = (spl_fixedarray_it *)iter;
spl_fixedarray_object *intern = iterator->object;
if (intern->flags & SPL_FIXEDARRAY_OVERLOADED_KEY) {
return zend_user_it_get_current_key(iter, str_key, str_key_len, int_key TSRMLS_CC);
} else {
*int_key = (ulong) iterator->object->current;
return HASH_KEY_IS_LONG;
}
}
/* }}} */
static void spl_fixedarray_it_move_forward(zend_object_iterator *iter TSRMLS_DC) /* {{{ */
{
spl_fixedarray_it *iterator = (spl_fixedarray_it *)iter;
spl_fixedarray_object *intern = iterator->object;
if (intern->flags & SPL_FIXEDARRAY_OVERLOADED_NEXT) {
zend_user_it_move_forward(iter TSRMLS_CC);
} else {
zend_user_it_invalidate_current(iter TSRMLS_CC);
iterator->object->current++;
}
}
/* }}} */
/* {{{ proto int SplFixedArray::key() U
Return current array key */
SPL_METHOD(SplFixedArray, key)
{
spl_fixedarray_object *intern = (spl_fixedarray_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->current);
}
/* }}} */
/* {{{ proto void SplFixedArray::next() U
Move to next entry */
SPL_METHOD(SplFixedArray, next)
{
spl_fixedarray_object *intern = (spl_fixedarray_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->current++;
}
/* }}} */
/* {{{ proto bool SplFixedArray::valid() U
Check whether the datastructure contains more entries */
SPL_METHOD(SplFixedArray, valid)
{
spl_fixedarray_object *intern = (spl_fixedarray_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_BOOL(intern->current >= 0 && intern->array && intern->current < intern->array->size);
}
/* }}} */
/* {{{ proto void SplFixedArray::rewind() U
Rewind the datastructure back to the start */
SPL_METHOD(SplFixedArray, rewind)
{
spl_fixedarray_object *intern = (spl_fixedarray_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->current = 0;
}
/* }}} */
/* {{{ proto mixed|NULL SplFixedArray::current() U
Return current datastructure entry */
SPL_METHOD(SplFixedArray, current)
{
zval *zindex, **value_pp;
spl_fixedarray_object *intern = (spl_fixedarray_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
ALLOC_INIT_ZVAL(zindex);
ZVAL_LONG(zindex, intern->current);
value_pp = spl_fixedarray_object_read_dimension_helper(intern, zindex TSRMLS_CC);
zval_ptr_dtor(&zindex);
if (value_pp) {
RETURN_ZVAL(*value_pp, 1, 0);
}
RETURN_NULL();
}
/* }}} */
/* iterator handler table */
zend_object_iterator_funcs spl_fixedarray_it_funcs = {
spl_fixedarray_it_dtor,
spl_fixedarray_it_valid,
spl_fixedarray_it_get_current_data,
spl_fixedarray_it_get_current_key,
spl_fixedarray_it_move_forward,
spl_fixedarray_it_rewind
};
zend_object_iterator *spl_fixedarray_get_iterator(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC) /* {{{ */
{
spl_fixedarray_it *iterator;
spl_fixedarray_object *fixedarray_object = (spl_fixedarray_object*)zend_object_store_get_object(object TSRMLS_CC);
if (by_ref) {
zend_throw_exception(spl_ce_RuntimeException, "An iterator cannot be used with foreach by reference", 0 TSRMLS_CC);
return NULL;
}
Z_ADDREF_P(object);
iterator = emalloc(sizeof(spl_fixedarray_it));
iterator->intern.it.data = (void*)object;
iterator->intern.it.funcs = &spl_fixedarray_it_funcs;
iterator->intern.ce = ce;
iterator->intern.value = NULL;
iterator->object = fixedarray_object;