mirror of
https://github.com/php/php-src.git
synced 2024-09-24 11:27:28 +00:00
343 lines
10 KiB
C++
343 lines
10 KiB
C++
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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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 <unicode/brkiter.h>
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#include "breakiterator_iterators.h"
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#include "../common/common_enum.h"
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extern "C" {
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#define USE_BREAKITERATOR_POINTER
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#include "breakiterator_class.h"
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#include "../intl_convert.h"
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#include "../locale/locale.h"
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#include <zend_exceptions.h>
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}
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static zend_class_entry *IntlPartsIterator_ce_ptr;
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static zend_object_handlers IntlPartsIterator_handlers;
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/* BreakIterator's iterator */
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inline BreakIterator *_breakiter_prolog(zend_object_iterator *iter TSRMLS_DC)
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{
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BreakIterator_object *bio;
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bio = (BreakIterator_object*)zend_object_store_get_object(
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(const zval*)iter->data TSRMLS_CC);
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intl_errors_reset(BREAKITER_ERROR_P(bio) TSRMLS_CC);
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if (bio->biter == NULL) {
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intl_errors_set(BREAKITER_ERROR_P(bio), U_INVALID_STATE_ERROR,
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"The BreakIterator object backing the PHP iterator is not "
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"properly constructed", 0 TSRMLS_CC);
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}
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return bio->biter;
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}
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static void _breakiterator_destroy_it(zend_object_iterator *iter TSRMLS_DC)
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{
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zval_ptr_dtor((zval**)&iter->data);
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}
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static void _breakiterator_move_forward(zend_object_iterator *iter TSRMLS_DC)
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{
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BreakIterator *biter = _breakiter_prolog(iter TSRMLS_CC);
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zoi_with_current *zoi_iter = (zoi_with_current*)iter;
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iter->funcs->invalidate_current(iter TSRMLS_CC);
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if (biter == NULL) {
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return;
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}
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int32_t pos = biter->next();
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if (pos != BreakIterator::DONE) {
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MAKE_STD_ZVAL(zoi_iter->current);
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ZVAL_LONG(zoi_iter->current, (long)pos);
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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 _breakiterator_rewind(zend_object_iterator *iter TSRMLS_DC)
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{
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BreakIterator *biter = _breakiter_prolog(iter TSRMLS_CC);
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zoi_with_current *zoi_iter = (zoi_with_current*)iter;
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int32_t pos = biter->first();
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MAKE_STD_ZVAL(zoi_iter->current);
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ZVAL_LONG(zoi_iter->current, (long)pos);
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}
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static zend_object_iterator_funcs breakiterator_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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_breakiterator_move_forward,
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_breakiterator_rewind,
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zoi_with_current_invalidate_current
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};
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U_CFUNC zend_object_iterator *_breakiterator_get_iterator(
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zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC)
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{
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BreakIterator_object *bio;
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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 TSRMLS_CC);
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return NULL;
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}
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bio = (BreakIterator_object*)zend_object_store_get_object(object TSRMLS_CC);
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BreakIterator *biter = bio->biter;
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if (biter == NULL) {
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zend_throw_exception(NULL,
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"The BreakIterator is not properly constructed", 0 TSRMLS_CC);
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return NULL;
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}
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zoi_with_current *zoi_iter =
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static_cast<zoi_with_current*>(emalloc(sizeof *zoi_iter));
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zoi_iter->zoi.data = static_cast<void*>(object);
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zoi_iter->zoi.funcs = &breakiterator_iterator_funcs;
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zoi_iter->zoi.index = 0;
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zoi_iter->destroy_it = _breakiterator_destroy_it;
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zoi_iter->wrapping_obj = NULL; /* not used; object is in zoi.data */
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zoi_iter->current = NULL;
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zval_add_ref(&object);
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return reinterpret_cast<zend_object_iterator *>(zoi_iter);
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}
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/* BreakIterator parts iterator */
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typedef struct zoi_break_iter_parts {
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zoi_with_current zoi_cur;
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parts_iter_key_type key_type;
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BreakIterator_object *bio; /* so we don't have to fetch it all the time */
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} zoi_break_iter_parts;
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static void _breakiterator_parts_destroy_it(zend_object_iterator *iter TSRMLS_DC)
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{
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zval_ptr_dtor(reinterpret_cast<zval**>(&iter->data));
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}
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static void _breakiterator_parts_get_current_key(zend_object_iterator *iter, zval *key TSRMLS_DC)
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{
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/* the actual work is done in move_forward and rewind */
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ZVAL_LONG(key, iter->index);
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}
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static void _breakiterator_parts_move_forward(zend_object_iterator *iter TSRMLS_DC)
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{
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zoi_break_iter_parts *zoi_bit = (zoi_break_iter_parts*)iter;
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BreakIterator_object *bio = zoi_bit->bio;
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iter->funcs->invalidate_current(iter TSRMLS_CC);
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int32_t cur,
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next;
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cur = bio->biter->current();
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if (cur == BreakIterator::DONE) {
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return;
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}
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next = bio->biter->next();
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if (next == BreakIterator::DONE) {
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return;
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}
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if (zoi_bit->key_type == PARTS_ITERATOR_KEY_LEFT) {
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iter->index = cur;
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} else if (zoi_bit->key_type == PARTS_ITERATOR_KEY_RIGHT) {
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iter->index = next;
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}
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/* else zoi_bit->key_type == PARTS_ITERATOR_KEY_SEQUENTIAL
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* No need to do anything, the engine increments ->index */
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const char *s = Z_STRVAL_P(bio->text);
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int32_t slen = Z_STRLEN_P(bio->text),
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len;
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char *res;
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if (next == BreakIterator::DONE) {
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next = slen;
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}
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assert(next <= slen && next >= cur);
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len = next - cur;
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res = static_cast<char*>(emalloc(len + 1));
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memcpy(res, &s[cur], len);
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res[len] = '\0';
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MAKE_STD_ZVAL(zoi_bit->zoi_cur.current);
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ZVAL_STRINGL(zoi_bit->zoi_cur.current, res, len, 0);
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}
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static void _breakiterator_parts_rewind(zend_object_iterator *iter TSRMLS_DC)
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{
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zoi_break_iter_parts *zoi_bit = (zoi_break_iter_parts*)iter;
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BreakIterator_object *bio = zoi_bit->bio;
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if (zoi_bit->zoi_cur.current) {
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iter->funcs->invalidate_current(iter TSRMLS_CC);
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}
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bio->biter->first();
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iter->funcs->move_forward(iter TSRMLS_CC);
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}
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static zend_object_iterator_funcs breakiterator_parts_it_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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_breakiterator_parts_get_current_key,
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_breakiterator_parts_move_forward,
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_breakiterator_parts_rewind,
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zoi_with_current_invalidate_current
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};
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void IntlIterator_from_BreakIterator_parts(zval *break_iter_zv,
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zval *object,
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parts_iter_key_type key_type TSRMLS_DC)
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{
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IntlIterator_object *ii;
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zval_add_ref(&break_iter_zv);
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object_init_ex(object, IntlPartsIterator_ce_ptr);
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ii = (IntlIterator_object*)zend_object_store_get_object(object TSRMLS_CC);
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ii->iterator = (zend_object_iterator*)emalloc(sizeof(zoi_break_iter_parts));
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ii->iterator->data = break_iter_zv;
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ii->iterator->funcs = &breakiterator_parts_it_funcs;
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ii->iterator->index = 0;
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((zoi_with_current*)ii->iterator)->destroy_it = _breakiterator_parts_destroy_it;
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((zoi_with_current*)ii->iterator)->wrapping_obj = object;
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((zoi_with_current*)ii->iterator)->current = NULL;
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((zoi_break_iter_parts*)ii->iterator)->bio = (BreakIterator_object*)
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zend_object_store_get_object(break_iter_zv TSRMLS_CC);
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assert(((zoi_break_iter_parts*)ii->iterator)->bio->biter != NULL);
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((zoi_break_iter_parts*)ii->iterator)->key_type = key_type;
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}
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U_CFUNC zend_object_value IntlPartsIterator_object_create(zend_class_entry *ce TSRMLS_DC)
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{
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zend_object_value retval;
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retval = IntlIterator_ce_ptr->create_object(ce TSRMLS_CC);
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retval.handlers = &IntlPartsIterator_handlers;
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return retval;
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}
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U_CFUNC zend_function *IntlPartsIterator_get_method(zval **object_ptr,
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char *method, int method_len, const zend_literal *key TSRMLS_DC)
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{
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zend_literal local_literal = {0};
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zend_function *ret;
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ALLOCA_FLAG(use_heap)
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if (key == NULL) {
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Z_STRVAL(local_literal.constant) = static_cast<char*>(
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do_alloca(method_len + 1, use_heap));
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zend_str_tolower_copy(Z_STRVAL(local_literal.constant),
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method, method_len);
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local_literal.hash_value = zend_hash_func(
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Z_STRVAL(local_literal.constant), method_len + 1);
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key = &local_literal;
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}
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if ((key->hash_value & 0xFFFFFFFF) == 0xA2B486A1 /* hash of getrulestatus\0 */
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&& method_len == sizeof("getrulestatus") - 1
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&& memcmp("getrulestatus", Z_STRVAL(key->constant), method_len) == 0) {
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IntlIterator_object *obj = (IntlIterator_object*)
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zend_object_store_get_object(*object_ptr TSRMLS_CC);
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if (obj->iterator && obj->iterator->data) {
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zval *break_iter_zv = static_cast<zval*>(obj->iterator->data);
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*object_ptr = break_iter_zv;
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ret = Z_OBJ_HANDLER_P(break_iter_zv, get_method)(object_ptr,
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method, method_len, key TSRMLS_CC);
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goto end;
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}
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}
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ret = std_object_handlers.get_method(object_ptr,
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method, method_len, key TSRMLS_CC);
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end:
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if (key == &local_literal) {
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free_alloca(Z_STRVAL(local_literal.constant), use_heap);
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}
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return ret;
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}
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U_CFUNC PHP_METHOD(IntlPartsIterator, getBreakIterator)
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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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"IntlPartsIterator::getBreakIterator: bad arguments", 0 TSRMLS_CC);
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return;
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}
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INTLITERATOR_METHOD_FETCH_OBJECT;
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zval *biter_zval = static_cast<zval*>(ii->iterator->data);
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RETURN_ZVAL(biter_zval, 1, 0);
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}
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ZEND_BEGIN_ARG_INFO_EX(ainfo_parts_it_void, 0, 0, 0)
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ZEND_END_ARG_INFO()
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static const zend_function_entry IntlPartsIterator_class_functions[] = {
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PHP_ME(IntlPartsIterator, getBreakIterator, ainfo_parts_it_void, ZEND_ACC_PUBLIC)
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PHP_FE_END
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};
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U_CFUNC void breakiterator_register_IntlPartsIterator_class(TSRMLS_D)
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{
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zend_class_entry ce;
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/* Create and register 'BreakIterator' class. */
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INIT_CLASS_ENTRY(ce, "IntlPartsIterator", IntlPartsIterator_class_functions);
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IntlPartsIterator_ce_ptr = zend_register_internal_class_ex(&ce,
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IntlIterator_ce_ptr, NULL TSRMLS_CC);
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IntlPartsIterator_ce_ptr->create_object = IntlPartsIterator_object_create;
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memcpy(&IntlPartsIterator_handlers, &IntlIterator_handlers,
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sizeof IntlPartsIterator_handlers);
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IntlPartsIterator_handlers.get_method = IntlPartsIterator_get_method;
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#define PARTSITER_DECL_LONG_CONST(name) \
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zend_declare_class_constant_long(IntlPartsIterator_ce_ptr, #name, \
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sizeof(#name) - 1, PARTS_ITERATOR_ ## name TSRMLS_CC)
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PARTSITER_DECL_LONG_CONST(KEY_SEQUENTIAL);
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PARTSITER_DECL_LONG_CONST(KEY_LEFT);
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PARTSITER_DECL_LONG_CONST(KEY_RIGHT);
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#undef PARTSITER_DECL_LONG_CONST
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}
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