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|
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 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_0.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: Wez Furlong <wez@thebrainroom.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_com_dotnet.h"
#include "php_com_dotnet_internal.h"
#include "Zend/zend_default_classes.h"
struct php_com_iterator {
zend_object_iterator iter;
IEnumVARIANT *ev;
ulong key;
VARIANT v;
int code_page;
};
static void com_iter_dtor(zend_object_iterator *iter TSRMLS_DC)
{
struct php_com_iterator *I = (struct php_com_iterator*)iter->data;
if (I->ev) {
IEnumVARIANT_Release(I->ev);
}
VariantClear(&I->v);
efree(I);
}
static int com_iter_has_more(zend_object_iterator *iter TSRMLS_DC)
{
struct php_com_iterator *I = (struct php_com_iterator*)iter->data;
if (I->key == (ulong)-1) {
return FAILURE;
}
return SUCCESS;
}
static void com_iter_get_data(zend_object_iterator *iter, zval ***data TSRMLS_DC)
{
struct php_com_iterator *I = (struct php_com_iterator*)iter->data;
zval **ptr_ptr;
zval *ptr;
/* sanity */
if (I->key == (ulong)-1) {
*data = NULL;
return;
}
MAKE_STD_ZVAL(ptr);
php_com_wrap_variant(ptr, &I->v, I->code_page TSRMLS_CC);
ptr_ptr = emalloc(sizeof(*ptr_ptr));
*ptr_ptr = ptr;
*data = ptr_ptr;
return;
}
static int com_iter_get_key(zend_object_iterator *iter, char **str_key, uint *str_key_len,
ulong *int_key TSRMLS_DC)
{
struct php_com_iterator *I = (struct php_com_iterator*)iter->data;
if (I->key == (ulong)-1) {
return HASH_KEY_NON_EXISTANT;
}
*int_key = I->key;
return HASH_KEY_IS_LONG;
}
static int com_iter_move_forwards(zend_object_iterator *iter TSRMLS_DC)
{
struct php_com_iterator *I = (struct php_com_iterator*)iter->data;
unsigned long n_fetched;
/* release current cached element */
VariantClear(&I->v);
/* Get the next element */
if (SUCCEEDED(IEnumVARIANT_Next(I->ev, 1, &I->v, &n_fetched)) && n_fetched > 0) {
I->key++;
return SUCCESS;
} else {
/* indicate that there are no more items */
I->key = (ulong)-1;
return FAILURE;
}
}
static zend_object_iterator_funcs com_iter_funcs = {
com_iter_dtor,
com_iter_has_more,
com_iter_get_data,
com_iter_get_key,
com_iter_move_forwards,
NULL
};
zend_object_iterator *php_com_iter_get(zend_class_entry *ce, zval *object TSRMLS_DC)
{
php_com_dotnet_object *obj;
struct php_com_iterator *I;
IEnumVARIANT *iev = NULL;
DISPPARAMS dp;
VARIANT v;
unsigned long n_fetched;
obj = CDNO_FETCH(object);
/* TODO: support enumerating through SafeArrays */
if (V_VT(&obj->v) != VT_DISPATCH) {
return NULL;
}
memset(&dp, 0, sizeof(dp));
VariantInit(&v);
/* can we enumerate it? */
if (FAILED(IDispatch_Invoke(V_DISPATCH(&obj->v), DISPID_NEWENUM,
&IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_METHOD|DISPATCH_PROPERTYGET,
&dp, &v, NULL, NULL))) {
return NULL;
}
/* get something useful out of it */
if (V_VT(&v) == VT_UNKNOWN) {
IUnknown_QueryInterface(V_UNKNOWN(&v), &IID_IEnumVARIANT, (void**)&iev);
} else if (V_VT(&v) == VT_DISPATCH) {
IDispatch_QueryInterface(V_DISPATCH(&v), &IID_IEnumVARIANT, (void**)&iev);
}
VariantClear(&v);
if (iev == NULL) {
return NULL;
}
I = (struct php_com_iterator*)ecalloc(1, sizeof(*I));
I->iter.funcs = &com_iter_funcs;
I->iter.data = I;
I->ev = iev;
I->code_page = obj->code_page;
/* Get the first element now */
if (SUCCEEDED(IEnumVARIANT_Next(I->ev, 1, &I->v, &n_fetched)) && n_fetched > 0) {
/* indicate that we have element 0 */
I->key = 0;
} else {
/* indicate that there are no more items */
I->key = (ulong)-1;
}
return &I->iter;
}
|
