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