Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 250 insertions, 0 deletions

diff --git a/ext/com_dotnet/com_iterator.c b/ext/com_dotnet/com_iterator.c
new file mode 100644
index 0000000..ce4bdd6
--- /dev/null
+++ b/ext/com_dotnet/com_iterator.c
@@ -0,0 +1,250 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 5                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2013 The PHP Group                                |
+   +----------------------------------------------------------------------+
+   | 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.               |
+   +----------------------------------------------------------------------+
+   | 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_exceptions.h"
+
+struct php_com_iterator {
+	zend_object_iterator iter;
+	IEnumVARIANT *ev;
+	ulong key;
+	VARIANT v; /* cached element */
+	int code_page;
+	VARIANT safe_array;
+	VARTYPE sa_type;
+	LONG sa_max;
+	zval *zdata;
+};
+
+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);
+	VariantClear(&I->safe_array);
+	if (I->zdata) {
+		zval_ptr_dtor((zval**)&I->zdata);
+	}
+	efree(I);
+}
+
+static int com_iter_valid(zend_object_iterator *iter TSRMLS_DC)
+{
+	struct php_com_iterator *I = (struct php_com_iterator*)iter->data;
+
+	if (I->zdata) {
+		return SUCCESS;
+	}
+
+	return FAILURE;
+}
+
+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;
+
+	*data = &I->zdata;
+}
+
+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;
+	zval *ptr;
+
+	/* release current cached element */
+	VariantClear(&I->v);
+
+	if (I->zdata) {
+		zval_ptr_dtor((zval**)&I->zdata);
+		I->zdata = NULL;
+	}
+
+	if (I->ev) {
+		/* Get the next element */
+		if (SUCCEEDED(IEnumVARIANT_Next(I->ev, 1, &I->v, &n_fetched)) && n_fetched > 0) {
+			I->key++;
+		} else {
+			/* indicate that there are no more items */
+			I->key = (ulong)-1;
+			return FAILURE;
+		}
+	} else {
+		/* safe array */
+		if (I->key >= (ULONG) I->sa_max) {
+			I->key = (ulong)-1;
+			return FAILURE;
+		}
+		I->key++;
+		if (php_com_safearray_get_elem(&I->safe_array, &I->v, (LONG)I->key TSRMLS_CC) == 0) {
+			I->key = (ulong)-1;
+			return FAILURE;
+		}
+	}
+
+	MAKE_STD_ZVAL(ptr);
+	php_com_zval_from_variant(ptr, &I->v, I->code_page TSRMLS_CC);
+	/* php_com_wrap_variant(ptr, &I->v, I->code_page TSRMLS_CC); */
+	I->zdata = ptr;
+	return SUCCESS;
+}
+
+
+static zend_object_iterator_funcs com_iter_funcs = {
+	com_iter_dtor,
+	com_iter_valid,
+	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, int by_ref TSRMLS_DC)
+{
+	php_com_dotnet_object *obj;
+	struct php_com_iterator *I;
+	IEnumVARIANT *iev = NULL;
+	DISPPARAMS dp;
+	VARIANT v;
+	unsigned long n_fetched;
+	zval *ptr;
+
+	if (by_ref) {
+		zend_error(E_ERROR, "An iterator cannot be used with foreach by reference");
+	}
+
+	obj = CDNO_FETCH(object);
+
+	if (V_VT(&obj->v) != VT_DISPATCH && !V_ISARRAY(&obj->v)) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "variant is not an object or array VT=%d", V_VT(&obj->v));
+		return NULL;
+	}
+
+	memset(&dp, 0, sizeof(dp));
+	VariantInit(&v);	
+
+	I = (struct php_com_iterator*)ecalloc(1, sizeof(*I));
+	I->iter.funcs = &com_iter_funcs;
+	I->iter.data = I;
+	I->code_page = obj->code_page;
+	I->zdata = NULL;
+	VariantInit(&I->safe_array);
+	VariantInit(&I->v);
+
+	if (V_ISARRAY(&obj->v)) {
+		LONG bound;
+		UINT dims;
+	
+		dims = SafeArrayGetDim(V_ARRAY(&obj->v));
+
+		if (dims != 1) {
+			php_error_docref(NULL TSRMLS_CC, E_WARNING,
+				   "Can only handle single dimension variant arrays (this array has %d)", dims);
+			goto fail;
+		}
+		
+		/* same semantics as foreach on a PHP array;
+		 * make a copy and enumerate that copy */
+		VariantCopy(&I->safe_array, &obj->v);
+
+		/* determine the key value for the array */
+		SafeArrayGetLBound(V_ARRAY(&I->safe_array), 1, &bound);
+		SafeArrayGetUBound(V_ARRAY(&I->safe_array), 1, &I->sa_max);
+
+		/* pre-fetch the element */
+		if (php_com_safearray_get_elem(&I->safe_array, &I->v, bound TSRMLS_CC)) {
+			I->key = bound;
+			MAKE_STD_ZVAL(ptr);
+			php_com_zval_from_variant(ptr, &I->v, I->code_page TSRMLS_CC);
+			I->zdata = ptr;
+		} else {
+			I->key = (ulong)-1;
+		}
+		
+	} else {
+		/* 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))) {
+			goto fail;
+		}
+
+		/* 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) {
+			goto fail;
+		}
+	
+		I->ev = iev;
+
+		/* 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;
+			MAKE_STD_ZVAL(ptr);
+			php_com_zval_from_variant(ptr, &I->v, I->code_page TSRMLS_CC);
+			I->zdata = ptr;
+		} else {
+			/* indicate that there are no more items */
+			I->key = (ulong)-1;
+		}
+	}
+
+	return &I->iter;
+
+fail:
+	if (I) {
+		VariantClear(&I->safe_array);
+		VariantClear(&I->v);
+		efree(I);
+	}
+	return NULL;
+}
+