Add HTMLFormControlsCollection and RadioNodeListdsilvers/forms1

These are a necessary step on the way to libdom being able to
manage the content and behaviours of web forms.

1 files changed, 69 insertions, 0 deletions

diff --git a/src/html/html_form_controls_collection.c b/src/html/html_form_controls_collection.c
new file mode 100644
index 0000000..f42f3f7
--- /dev/null
+++ b/src/html/html_form_controls_collection.c
@@ -0,0 +1,69 @@
+/*
+ * This file is part of libdom.
+ * Licensed under the MIT License,
+ *                http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2018 Daniel Silverstone <dsilvers@netsurf-browser.org>
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+
+#include <libwapcaplet/libwapcaplet.h>
+
+#include "html/html_form_controls_collection.h"
+#include "html/html_document.h"
+#include "html/html_form_element.h"
+
+#include "html/html_input_element.h"
+#include "html/html_select_element.h"
+#include "html/html_text_area_element.h"
+#include "html/html_button_element.h"
+
+#include "core/node.h"
+#include "core/element.h"
+#include "core/string.h"
+
+/*-----------------------------------------------------------------------*/
+/* Internal functions */
+
+/* Callback function to test whether certain node is a form control, see
+ * src/html/html_collection.h for detail. */
+bool _dom_is_form_control(struct dom_node_internal *node, void *ctx)
+{
+	struct dom_html_document *doc =
+		(struct dom_html_document *)(node->owner);
+	struct dom_html_form_element *form = ctx;
+
+
+	assert(node->type == DOM_ELEMENT_NODE);
+
+	/* Form controls are INPUT TEXTAREA SELECT and BUTTON*/
+	if (dom_string_caseless_isequal(node->name,
+					doc->elements[DOM_HTML_ELEMENT_TYPE_INPUT]))
+		return ((dom_html_input_element *)node)->form == form;
+	if (dom_string_caseless_isequal(node->name,
+					doc->elements[DOM_HTML_ELEMENT_TYPE_TEXTAREA]))
+		return ((dom_html_text_area_element *)node)->form == form;
+	if (dom_string_caseless_isequal(node->name,
+					doc->elements[DOM_HTML_ELEMENT_TYPE_SELECT]))
+		return ((dom_html_select_element *)node)->form == form;
+	if (dom_string_caseless_isequal(node->name,
+					doc->elements[DOM_HTML_ELEMENT_TYPE_BUTTON])) {
+		return ((dom_html_button_element *)node)->form == form;
+	}
+
+	return false;
+}
+
+
+dom_exception _dom_html_form_controls_collection_create(struct dom_html_form_element *form,
+		dom_html_form_controls_collection **col)
+{
+	dom_html_document *doc = (dom_html_document *) dom_node_get_owner(form);
+
+	assert(doc != NULL);
+
+	return _dom_html_collection_create(doc,
+					  (dom_node_internal *) doc,
+					  _dom_is_form_control, form, col);
+}