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[js] innerHTML and outerHTML getters (libxml++)

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This commit is contained in:
Witold Filipczyk 2021-05-09 21:21:24 +02:00
parent d891cc503a
commit e020f83d34
3 changed files with 51 additions and 66 deletions
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113
src/ecmascript/spidermonkey/element.c
View File

@ -88,9 +88,9 @@ JSPropertySpec element_props[] = {
JS_PSGS("className", element_get_property_className, element_set_property_className, JSPROP_ENUMERATE),
JS_PSGS("dir", element_get_property_dir, element_set_property_dir, JSPROP_ENUMERATE),
JS_PSGS("id", element_get_property_id, element_set_property_id, JSPROP_ENUMERATE),
// JS_PSGS("innerHTML", element_get_property_innerHtml, element_set_property_innerHtml, JSPROP_ENUMERATE),
JS_PSGS("innerHTML", element_get_property_innerHtml, element_set_property_innerHtml, JSPROP_ENUMERATE),
JS_PSGS("lang", element_get_property_lang, element_set_property_lang, JSPROP_ENUMERATE),
// JS_PSGS("outerHTML", element_get_property_outerHtml, element_set_property_outerHtml, JSPROP_ENUMERATE),
JS_PSGS("outerHTML", element_get_property_outerHtml, element_set_property_outerHtml, JSPROP_ENUMERATE),
JS_PSG("tagName", element_get_property_tagName, JSPROP_ENUMERATE),
JS_PSGS("textContent", element_get_property_textContent, element_set_property_textContent, JSPROP_ENUMERATE),
JS_PSGS("title", element_get_property_title, element_set_property_title, JSPROP_ENUMERATE),
@ -380,28 +380,55 @@ element_get_property_title(JSContext *ctx, unsigned int argc, JS::Value *vp)
static int was_el = 0;
static void
walk_tree(struct string *buf, tree<HTML::Node> const &dom, const unsigned int offset)
dump_element(struct string *buf, xmlpp::Element *element)
{
int local = 0;
tree<HTML::Node>::iterator it = dom.begin();
if (was_el) add_to_string(buf, it->text().c_str());
add_char_to_string(buf, '<');
add_to_string(buf, element->get_name().c_str());
auto attrs = element->get_attributes();
auto it = attrs.begin();
auto end = attrs.end();
for (;it != end; ++it) {
add_char_to_string(buf, ' ');
add_to_string(buf, (*it)->get_name().c_str());
add_char_to_string(buf, '=');
add_char_to_string(buf, '"');
add_to_string(buf, (*it)->get_value().c_str());
add_char_to_string(buf, '"');
}
add_char_to_string(buf, '>');
}
if (!was_el && it->isTag()) {
if (it->offset() == offset) {
was_el = 1;
local = 1;
static void
walk_tree(struct string *buf, xmlpp::Node *node, bool start = true)
{
if (!start) {
const auto textNode = dynamic_cast<const xmlpp::ContentNode*>(node);
if (textNode) {
add_to_string(buf, textNode->get_content().c_str());
} else {
const auto element = dynamic_cast<const xmlpp::Element*>(node);
if (element) {
dump_element(buf, element);
}
}
}
for (tree<HTML::Node>::sibling_iterator childIt = dom.begin(it); childIt != dom.end(it); ++childIt)
{
walk_tree(buf, childIt, offset);
auto childs = node->get_children();
auto it = childs.begin();
auto end = childs.end();
for (; it != end; ++it) {
walk_tree(buf, *it, false);
}
if (was_el) {
if (!local) {
add_to_string(buf, it->closingText().c_str());
} else {
was_el = 0;
if (!start) {
const auto element = dynamic_cast<const xmlpp::Element*>(node);
if (element) {
add_to_string(buf, "</");
add_to_string(buf, element->get_name().c_str());
add_char_to_string(buf, '>');
}
}
}
@ -424,34 +451,6 @@ walk_tree_content(struct string *buf, xmlpp::Node *node)
}
}
static void
walk_tree_outer(struct string *buf, tree<HTML::Node> const &dom, const unsigned int offset)
{
int local = 0;
tree<HTML::Node>::iterator it = dom.begin();
if (!was_el && it->isTag()) {
if (it->offset() == offset) {
was_el = 1;
local = 1;
}
}
if (was_el) add_to_string(buf, it->text().c_str());
for (tree<HTML::Node>::sibling_iterator childIt = dom.begin(it); childIt != dom.end(it); ++childIt)
{
walk_tree_outer(buf, childIt, offset);
}
if (was_el) {
add_to_string(buf, it->closingText().c_str());
if (local) {
was_el = 0;
}
}
}
static bool
element_get_property_innerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
@ -478,22 +477,15 @@ element_get_property_innerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp)
return false;
}
tree<HTML::Node> *el = JS_GetPrivate(hobj);
xmlpp::Element *el = JS_GetPrivate(hobj);
if (!el) {
args.rval().setNull();
return true;
}
struct document_view *doc_view = vs->doc_view;
struct document *document = doc_view->document;
tree<HTML::Node> *dom = document->dom;
struct string buf;
init_string(&buf);
was_el = 0;
walk_tree(&buf, *dom, el->begin()->offset());
walk_tree(&buf, el);
args.rval().setString(JS_NewStringCopyZ(ctx, buf.source));
done_string(&buf);
@ -527,22 +519,15 @@ element_get_property_outerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp)
return false;
}
tree<HTML::Node> *el = JS_GetPrivate(hobj);
xmlpp::Element *el = JS_GetPrivate(hobj);
if (!el) {
args.rval().setNull();
return true;
}
struct document_view *doc_view = vs->doc_view;
struct document *document = doc_view->document;
tree<HTML::Node> *dom = document->dom;
struct string buf;
init_string(&buf);
was_el = 0;
walk_tree_outer(&buf, *dom, el->begin()->offset());
walk_tree(&buf, el, false);
args.rval().setString(JS_NewStringCopyZ(ctx, buf.source));
done_string(&buf);

2
test/ecmascript/inner.html
View File

@ -9,7 +9,7 @@
<script>
function aa()
{
// alert(document.getElementById('blabla').innerHTML);
alert(document.getElementById('blabla').innerHTML);
alert(document.getElementById('ble').innerHTML);
}
</script>

2
test/ecmascript/outer.html
View File

@ -9,7 +9,7 @@
<script>
function aa()
{
// alert(document.getElementById('blabla').outerHTML);
alert(document.getElementById('blabla').outerHTML);
alert(document.getElementById('ble').outerHTML);
}
</script>