mirror of
https://github.com/php/php-src.git
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331 lines
9.7 KiB
C++
331 lines
9.7 KiB
C++
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 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 through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.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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| Authors: Gustavo Lopes <cataphract@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "../intl_cppshims.h"
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// Fix build on Windows/old versions of ICU
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#include <stdio.h>
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#include "common_enum.h"
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extern "C" {
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#include <zend_interfaces.h>
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#include <zend_exceptions.h>
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}
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zend_class_entry *IntlIterator_ce_ptr;
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zend_object_handlers IntlIterator_handlers;
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void zoi_with_current_dtor(zend_object_iterator *iter)
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{
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zoi_with_current *zoiwc = (zoi_with_current*)iter;
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if (!Z_ISUNDEF(zoiwc->wrapping_obj)) {
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/* we have to copy the pointer because zoiwc->wrapping_obj may be
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* changed midway the execution of zval_ptr_dtor() */
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zval *zwo = &zoiwc->wrapping_obj;
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/* object is still here, we can rely on it to call this again and
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* destroy this object */
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zval_ptr_dtor(zwo);
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} else {
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/* Object not here anymore (we've been called by the object free handler)
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* Note that the iterator wrapper objects (that also depend on this
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* structure) call this function earlier, in the destruction phase, which
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* precedes the object free phase. Therefore there's no risk on this
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* function being called by the iterator wrapper destructor function and
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* not finding the memory of this iterator allocated anymore. */
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iter->funcs->invalidate_current(iter);
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zoiwc->destroy_it(iter);
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}
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}
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U_CFUNC int zoi_with_current_valid(zend_object_iterator *iter)
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{
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return Z_ISUNDEF(((zoi_with_current*)iter)->current)? FAILURE : SUCCESS;
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}
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U_CFUNC zval *zoi_with_current_get_current_data(zend_object_iterator *iter)
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{
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return &((zoi_with_current*)iter)->current;
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}
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U_CFUNC void zoi_with_current_invalidate_current(zend_object_iterator *iter)
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{
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zoi_with_current *zoi_iter = (zoi_with_current*)iter;
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if (!Z_ISUNDEF(zoi_iter->current)) {
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zval_ptr_dtor(&zoi_iter->current);
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ZVAL_UNDEF(&zoi_iter->current); //valid would return FAILURE now
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}
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}
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static void string_enum_current_move_forward(zend_object_iterator *iter)
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{
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zoi_with_current *zoi_iter = (zoi_with_current*)iter;
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INTLITERATOR_METHOD_INIT_VARS;
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iter->funcs->invalidate_current(iter);
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object = &zoi_iter->wrapping_obj;
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INTLITERATOR_METHOD_FETCH_OBJECT_NO_CHECK;
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int32_t result_length;
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const char *result = ((StringEnumeration*)Z_PTR(iter->data))->next(
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&result_length, INTLITERATOR_ERROR_CODE(ii));
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intl_error_set_code(NULL, INTLITERATOR_ERROR_CODE(ii));
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if (U_FAILURE(INTLITERATOR_ERROR_CODE(ii))) {
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intl_errors_set_custom_msg(INTL_DATA_ERROR_P(ii),
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"Error fetching next iteration element", 0);
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} else if (result) {
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ZVAL_STRINGL(&zoi_iter->current, result, result_length);
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} //else we've reached the end of the enum, nothing more is required
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}
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static void string_enum_rewind(zend_object_iterator *iter)
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{
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zoi_with_current *zoi_iter = (zoi_with_current*)iter;
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INTLITERATOR_METHOD_INIT_VARS;
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if (!Z_ISUNDEF(zoi_iter->current)) {
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iter->funcs->invalidate_current(iter);
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}
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object = &zoi_iter->wrapping_obj;
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INTLITERATOR_METHOD_FETCH_OBJECT_NO_CHECK;
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((StringEnumeration*)Z_PTR(iter->data))->reset(INTLITERATOR_ERROR_CODE(ii));
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intl_error_set_code(NULL, INTLITERATOR_ERROR_CODE(ii));
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if (U_FAILURE(INTLITERATOR_ERROR_CODE(ii))) {
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intl_errors_set_custom_msg(INTL_DATA_ERROR_P(ii),
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"Error resetting enumeration", 0);
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} else {
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iter->funcs->move_forward(iter);
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}
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}
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static void string_enum_destroy_it(zend_object_iterator *iter)
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{
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delete (StringEnumeration*)Z_PTR(iter->data);
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}
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static zend_object_iterator_funcs string_enum_object_iterator_funcs = {
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zoi_with_current_dtor,
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zoi_with_current_valid,
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zoi_with_current_get_current_data,
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NULL,
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string_enum_current_move_forward,
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string_enum_rewind,
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zoi_with_current_invalidate_current
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};
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U_CFUNC void IntlIterator_from_StringEnumeration(StringEnumeration *se, zval *object)
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{
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IntlIterator_object *ii;
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object_init_ex(object, IntlIterator_ce_ptr);
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ii = Z_INTL_ITERATOR_P(object);
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ii->iterator = (zend_object_iterator*)emalloc(sizeof(zoi_with_current));
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zend_iterator_init(ii->iterator);
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ZVAL_PTR(&ii->iterator->data, se);
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ii->iterator->funcs = &string_enum_object_iterator_funcs;
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ii->iterator->index = 0;
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((zoi_with_current*)ii->iterator)->destroy_it = string_enum_destroy_it;
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ZVAL_COPY_VALUE(&((zoi_with_current*)ii->iterator)->wrapping_obj, object);
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ZVAL_UNDEF(&((zoi_with_current*)ii->iterator)->current);
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}
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static void IntlIterator_objects_free(zend_object *object)
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{
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IntlIterator_object *ii = php_intl_iterator_fetch_object(object);
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if (ii->iterator) {
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zval *wrapping_objp = &((zoi_with_current*)ii->iterator)->wrapping_obj;
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ZVAL_UNDEF(wrapping_objp);
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zend_iterator_dtor(ii->iterator);
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}
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intl_error_reset(INTLITERATOR_ERROR_P(ii));
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zend_object_std_dtor(&ii->zo);
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}
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static zend_object_iterator *IntlIterator_get_iterator(
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zend_class_entry *ce, zval *object, int by_ref)
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{
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if (by_ref) {
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zend_throw_exception(NULL,
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"Iteration by reference is not supported", 0);
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return NULL;
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}
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IntlIterator_object *ii = Z_INTL_ITERATOR_P(object);
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if (ii->iterator == NULL) {
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zend_throw_exception(NULL,
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"The IntlIterator is not properly constructed", 0);
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return NULL;
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}
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++GC_REFCOUNT(ii->iterator);
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return ii->iterator;
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}
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static zend_object *IntlIterator_object_create(zend_class_entry *ce)
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{
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IntlIterator_object *intern;
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intern = (IntlIterator_object*)ecalloc(1, sizeof(IntlIterator_object) + sizeof(zval) * (ce->default_properties_count - 1));
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zend_object_std_init(&intern->zo, ce);
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object_properties_init(&intern->zo, ce);
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intl_error_init(INTLITERATOR_ERROR_P(intern));
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intern->iterator = NULL;
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intern->zo.handlers = &IntlIterator_handlers;
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return &intern->zo;
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}
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static PHP_METHOD(IntlIterator, current)
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{
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zval *data;
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INTLITERATOR_METHOD_INIT_VARS;
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if (zend_parse_parameters_none() == FAILURE) {
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intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
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"IntlIterator::current: bad arguments", 0);
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return;
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}
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INTLITERATOR_METHOD_FETCH_OBJECT;
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data = ii->iterator->funcs->get_current_data(ii->iterator);
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if (data) {
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RETURN_ZVAL(data, 1, 0);
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}
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}
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static PHP_METHOD(IntlIterator, key)
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{
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INTLITERATOR_METHOD_INIT_VARS;
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if (zend_parse_parameters_none() == FAILURE) {
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intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
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"IntlIterator::key: bad arguments", 0);
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return;
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}
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INTLITERATOR_METHOD_FETCH_OBJECT;
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if (ii->iterator->funcs->get_current_key) {
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ii->iterator->funcs->get_current_key(ii->iterator, return_value);
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} else {
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RETURN_LONG(ii->iterator->index);
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}
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}
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static PHP_METHOD(IntlIterator, next)
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{
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INTLITERATOR_METHOD_INIT_VARS;
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if (zend_parse_parameters_none() == FAILURE) {
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intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
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"IntlIterator::next: bad arguments", 0);
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return;
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}
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INTLITERATOR_METHOD_FETCH_OBJECT;
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ii->iterator->funcs->move_forward(ii->iterator);
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/* foreach also advances the index after the last iteration,
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* so I see no problem in incrementing the index here unconditionally */
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ii->iterator->index++;
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}
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static PHP_METHOD(IntlIterator, rewind)
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{
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INTLITERATOR_METHOD_INIT_VARS;
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if (zend_parse_parameters_none() == FAILURE) {
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intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
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"IntlIterator::rewind: bad arguments", 0);
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return;
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}
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INTLITERATOR_METHOD_FETCH_OBJECT;
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if (ii->iterator->funcs->rewind) {
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ii->iterator->funcs->rewind(ii->iterator);
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} else {
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intl_errors_set(INTLITERATOR_ERROR_P(ii), U_UNSUPPORTED_ERROR,
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"IntlIterator::rewind: rewind not supported", 0);
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}
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}
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static PHP_METHOD(IntlIterator, valid)
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{
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INTLITERATOR_METHOD_INIT_VARS;
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if (zend_parse_parameters_none() == FAILURE) {
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intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
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"IntlIterator::valid: bad arguments", 0);
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return;
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}
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INTLITERATOR_METHOD_FETCH_OBJECT;
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RETURN_BOOL(ii->iterator->funcs->valid(ii->iterator) == SUCCESS);
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}
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ZEND_BEGIN_ARG_INFO_EX(ainfo_se_void, 0, 0, 0)
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ZEND_END_ARG_INFO()
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static zend_function_entry IntlIterator_class_functions[] = {
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PHP_ME(IntlIterator, current, ainfo_se_void, ZEND_ACC_PUBLIC)
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PHP_ME(IntlIterator, key, ainfo_se_void, ZEND_ACC_PUBLIC)
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PHP_ME(IntlIterator, next, ainfo_se_void, ZEND_ACC_PUBLIC)
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PHP_ME(IntlIterator, rewind, ainfo_se_void, ZEND_ACC_PUBLIC)
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PHP_ME(IntlIterator, valid, ainfo_se_void, ZEND_ACC_PUBLIC)
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PHP_FE_END
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};
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/* {{{ intl_register_IntlIterator_class
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* Initialize 'IntlIterator' class
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*/
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U_CFUNC void intl_register_IntlIterator_class(void)
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{
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zend_class_entry ce;
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/* Create and register 'IntlIterator' class. */
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INIT_CLASS_ENTRY(ce, "IntlIterator", IntlIterator_class_functions);
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ce.create_object = IntlIterator_object_create;
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IntlIterator_ce_ptr = zend_register_internal_class(&ce);
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IntlIterator_ce_ptr->get_iterator = IntlIterator_get_iterator;
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zend_class_implements(IntlIterator_ce_ptr, 1,
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zend_ce_iterator);
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memcpy(&IntlIterator_handlers, zend_get_std_object_handlers(),
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sizeof IntlIterator_handlers);
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IntlIterator_handlers.offset = XtOffsetOf(IntlIterator_object, zo);
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IntlIterator_handlers.clone_obj = NULL;
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IntlIterator_handlers.dtor_obj = zend_objects_destroy_object;
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IntlIterator_handlers.free_obj = IntlIterator_objects_free;
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}
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