mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-19 18:52:39 +03:00
313 lines
6.8 KiB
Plaintext
313 lines
6.8 KiB
Plaintext
/* document binding for browser using duktape and libdom
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*
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* Copyright 2015 Vincent Sanders <vince@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* Released under the terms of the MIT License,
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* http://www.opensource.org/licenses/mit-license
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*/
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class Element {
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prologue %{
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#include <utils/corestrings.h>
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%};
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};
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init Element(struct dom_element *element::node);
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getter Element::firstElementChild()
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%{
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dom_node *element;
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dom_exception exc;
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dom_node_type node_type;
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dom_node *next_node;
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exc = dom_node_get_first_child(((node_private_t*)priv)->node, &element);
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if (exc != DOM_NO_ERR) {
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return 0;
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}
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while (element != NULL) {
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exc = dom_node_get_node_type(element, &node_type);
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if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
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/* found it */
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break;
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}
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exc = dom_node_get_next_sibling(element, &next_node);
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dom_node_unref(element);
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if (exc == DOM_NO_ERR) {
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element = next_node;
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} else {
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element = NULL;
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}
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}
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if (dukky_push_node(ctx, (dom_node *)element) == false) {
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dom_node_unref(element);
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return 0;
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}
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dom_node_unref(element);
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return 1;
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%}
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getter Element::lastElementChild()
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%{
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dom_node *element;
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dom_exception exc;
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dom_node_type node_type;
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dom_node *next_node;
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exc = dom_node_get_last_child(((node_private_t*)priv)->node, &element);
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if (exc != DOM_NO_ERR) {
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return 0;
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}
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while (element != NULL) {
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exc = dom_node_get_node_type(element, &node_type);
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if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
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/* found it */
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break;
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}
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exc = dom_node_get_previous_sibling(element, &next_node);
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dom_node_unref(element);
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if (exc == DOM_NO_ERR) {
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element = next_node;
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} else {
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element = NULL;
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}
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}
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if (dukky_push_node(ctx, (dom_node *)element) == false) {
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dom_node_unref(element);
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return 0;
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}
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dom_node_unref(element);
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return 1;
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%}
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getter Element::previousElementSibling()
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%{
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dom_node *element;
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dom_exception exc;
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dom_node_type node_type;
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dom_node *sib_node;
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exc = dom_node_get_previous_sibling(((node_private_t *)priv)->node, &element);
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if (exc != DOM_NO_ERR) {
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return 0;
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}
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while (element != NULL) {
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exc = dom_node_get_node_type(element, &node_type);
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if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
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/* found it */
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break;
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}
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exc = dom_node_get_previous_sibling(element, &sib_node);
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dom_node_unref(element);
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if (exc == DOM_NO_ERR) {
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element = sib_node;
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} else {
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element = NULL;
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}
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}
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if (dukky_push_node(ctx, (dom_node *)element) == false) {
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dom_node_unref(element);
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return 0;
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}
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dom_node_unref(element);
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return 1;
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%}
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getter Element::nextElementSibling()
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%{
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dom_node *element;
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dom_exception exc;
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dom_node_type node_type;
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dom_node *sib_node;
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exc = dom_node_get_next_sibling(((node_private_t *)priv)->node, &element);
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if (exc != DOM_NO_ERR) {
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return 0;
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}
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while (element != NULL) {
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exc = dom_node_get_node_type(element, &node_type);
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if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
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/* found it */
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break;
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}
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exc = dom_node_get_next_sibling(element, &sib_node);
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dom_node_unref(element);
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if (exc == DOM_NO_ERR) {
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element = sib_node;
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} else {
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element = NULL;
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}
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}
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if (dukky_push_node(ctx, (dom_node *)element) == false) {
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dom_node_unref(element);
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return 0;
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}
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dom_node_unref(element);
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return 1;
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%}
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getter Element::childElementCount()
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%{
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dom_node *element;
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dom_exception exc;
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dom_node_type node_type;
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dom_node *next_node;
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duk_uint_t jsret = 0;
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exc = dom_node_get_first_child(((node_private_t *)priv)->node, &element);
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if (exc != DOM_NO_ERR) {
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return 0;
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}
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while (element != NULL) {
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exc = dom_node_get_node_type(element, &node_type);
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if ((exc == DOM_NO_ERR) && (node_type == DOM_ELEMENT_NODE)) {
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jsret += 1;
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}
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exc = dom_node_get_next_sibling(element, &next_node);
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dom_node_unref(element);
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if (exc == DOM_NO_ERR) {
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element = next_node;
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} else {
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element = NULL;
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}
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}
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LOG("I found %u of them", jsret);
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duk_push_uint(ctx, jsret);
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return 1;
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%}
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method Element::getElementsByTagName ()
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%{
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dom_nodelist *nlist = NULL;
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dom_exception exc;
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dom_string *tagname;
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duk_size_t len;
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const char *str = duk_to_lstring(ctx, 0, &len);
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exc = dom_string_create((const uint8_t *)str, len, &tagname);
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if (exc != DOM_NO_ERR) return 0;
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exc = dom_element_get_elements_by_tag_name(priv->parent.node,
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tagname, &nlist);
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dom_string_unref(tagname);
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if (exc != DOM_NO_ERR) return 0;
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duk_push_pointer(ctx, nlist);
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dukky_create_object(ctx, PROTO_NAME(NODELIST), 1);
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dom_nodelist_unref(nlist);
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return 1;
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%}
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getter Element::id ()
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%{
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dom_string *idstr = NULL;
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dom_exception exc;
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exc = dom_element_get_attribute(priv->parent.node,
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corestring_dom_id,
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&idstr);
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if (exc != DOM_NO_ERR) return 0;
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if (idstr == NULL) {
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duk_push_lstring(ctx, "", 0);
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} else {
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duk_push_lstring(ctx, dom_string_data(idstr),
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dom_string_length(idstr));
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dom_string_unref(idstr);
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}
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return 1;
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%}
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setter Element::id ()
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%{
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dom_string *idstr = NULL;
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dom_exception exc;
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duk_size_t slen;
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const char *s = duk_safe_to_lstring(ctx, 0, &slen);
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exc = dom_string_create((const uint8_t *)s, slen, &idstr);
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if (exc != DOM_NO_ERR) return 0;
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exc = dom_element_set_attribute(priv->parent.node,
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corestring_dom_id,
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idstr);
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dom_string_unref(idstr);
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if (exc != DOM_NO_ERR) return 0;
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return 0;
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%}
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method Element::setAttribute()
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%{
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dom_exception exc;
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dom_string *attr_str, *value_str;
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duk_size_t attr_len, value_len;
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const char *attr = duk_safe_to_lstring(ctx, 0, &attr_len);
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const char *value = duk_safe_to_lstring(ctx, 1, &value_len);
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exc = dom_string_create((const uint8_t *)attr, attr_len, &attr_str);
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if (exc != DOM_NO_ERR) return 0;
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exc = dom_string_create((const uint8_t *)value, value_len, &value_str);
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if (exc != DOM_NO_ERR) {
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dom_string_unref(attr_str);
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return 0;
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}
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exc = dom_element_set_attribute(priv->parent.node,
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attr_str, value_str);
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dom_string_unref(attr_str);
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dom_string_unref(value_str);
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if (exc != DOM_NO_ERR) return 0;
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return 0;
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%}
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getter Element::className ()
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%{
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dom_string *classstr = NULL;
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dom_exception exc;
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exc = dom_element_get_attribute(priv->parent.node,
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corestring_dom_class,
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&classstr);
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if (exc != DOM_NO_ERR) return 0;
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if (classstr == NULL) {
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duk_push_lstring(ctx, "", 0);
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} else {
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duk_push_lstring(ctx, dom_string_data(classstr),
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dom_string_length(classstr));
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dom_string_unref(classstr);
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}
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return 1;
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%}
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setter Element::className ()
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%{
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dom_string *classstr = NULL;
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dom_exception exc;
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duk_size_t slen;
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const char *s = duk_safe_to_lstring(ctx, 0, &slen);
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exc = dom_string_create((const uint8_t *)s, slen, &classstr);
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if (exc != DOM_NO_ERR) return 0;
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exc = dom_element_set_attribute(priv->parent.node,
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corestring_dom_class,
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classstr);
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dom_string_unref(classstr);
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if (exc != DOM_NO_ERR) return 0;
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return 0;
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%}
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