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Add code unit ops.

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This commit is contained in:
Andrei Zmievski 2006-02-04 00:35:37 +00:00
parent 4a3bf22b81
commit fe5aac2f41
1 changed files with 48 additions and 0 deletions
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48
ext/unicode/unicode_iterators.c
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@ -16,6 +16,13 @@
/* $Id$ */ /* $Id$ */
/*
* TODO
*
* - optimize current() to pass return_value to the handler so that it fills it
* in directly instead of creating a new zval
* - return code units as binary strings? integers? or leave as unicode strings?
*/
#include "php.h" #include "php.h"
#include "zend_interfaces.h" #include "zend_interfaces.h"
@ -63,7 +70,48 @@ PHPAPI zend_class_entry* text_iterator_ce;
/* Code unit ops */ /* Code unit ops */
static int text_iter_cu_valid(text_iter_obj* object TSRMLS_DC)
{
return (object->u.cu.index < object->text_len);
}
static void text_iter_cu_current(text_iter_obj* object TSRMLS_DC)
{
if (!object->current) {
MAKE_STD_ZVAL(object->current);
ZVAL_UNICODEL(object->current, object->text + object->u.cu.index, 1, 1);
}
}
static int text_iter_cu_key(text_iter_obj* object TSRMLS_DC)
{
return object->u.cu.index;
}
static void text_iter_cu_next(text_iter_obj* object TSRMLS_DC)
{
object->u.cu.index++;
if (object->current) {
zval_ptr_dtor(&object->current);
object->current = NULL;
}
}
static void text_iter_cu_rewind(text_iter_obj *object TSRMLS_DC)
{
object->u.cu.index = 0;
if (object->current) {
zval_ptr_dtor(&object->current);
object->current = NULL;
}
}
static text_iter_ops text_iter_cu_ops = { static text_iter_ops text_iter_cu_ops = {
text_iter_cu_valid,
text_iter_cu_current,
text_iter_cu_key,
text_iter_cu_next,
text_iter_cu_rewind,
}; };
/* Code point ops */ /* Code point ops */