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[js] dir (read)

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This commit is contained in:
Witold Filipczyk 2021-05-04 16:24:56 +02:00
parent 5a78da08f5
commit b0ee34bdd5
2 changed files with 99 additions and 1 deletions
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80
src/ecmascript/spidermonkey/element.c
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@ -50,9 +50,10 @@
#include <algorithm> #include <algorithm>
#include <string> #include <string>
using namespace htmlcxx; using namespace htmlcxx;
static bool element_get_property_dir(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_set_property_dir(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_id(JSContext *ctx, unsigned int argc, JS::Value *vp); static bool element_get_property_id(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_set_property_id(JSContext *ctx, unsigned int argc, JS::Value *vp); static bool element_set_property_id(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_innerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp); static bool element_get_property_innerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp);
@ -78,6 +79,7 @@ JSClass element_class = {
}; };
JSPropertySpec element_props[] = { JSPropertySpec element_props[] = {
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("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("lang", element_get_property_lang, element_set_property_lang, JSPROP_ENUMERATE),
@ -87,6 +89,53 @@ JSPropertySpec element_props[] = {
JS_PS_END JS_PS_END
}; };
static bool
element_get_property_dir(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
JS::CallArgs args = CallArgsFromVp(argc, vp);
JS::RootedObject hobj(ctx, &args.thisv().toObject());
struct view_state *vs;
JSCompartment *comp = js::GetContextCompartment(ctx);
if (!comp) {
return false;
}
struct ecmascript_interpreter *interpreter = JS_GetCompartmentPrivate(comp);
/* This can be called if @obj if not itself an instance of the
* appropriate class but has one in its prototype chain. Fail
* such calls. */
if (!JS_InstanceOf(ctx, hobj, &element_class, NULL))
return false;
vs = interpreter->vs;
if (!vs) {
return false;
}
tree<HTML::Node> *el = JS_GetPrivate(hobj);
if (!el) {
args.rval().setNull();
return true;
}
tree<HTML::Node>::iterator it = el->begin();
it->parseAttributes();
std::string v = it->attribute("dir").second;
if (v != "auto" && v != "ltr" && v != "rtl") {
v = "";
}
args.rval().setString(JS_NewStringCopyZ(ctx, v.c_str()));
return true;
}
static bool static bool
element_get_property_id(JSContext *ctx, unsigned int argc, JS::Value *vp) element_get_property_id(JSContext *ctx, unsigned int argc, JS::Value *vp)
{ {
@ -412,6 +461,35 @@ element_get_property_outerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp)
return true; return true;
} }
static bool
element_set_property_dir(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
JS::CallArgs args = CallArgsFromVp(argc, vp);
JS::RootedObject hobj(ctx, &args.thisv().toObject());
JSCompartment *comp = js::GetContextCompartment(ctx);
if (!comp) {
return false;
}
struct ecmascript_interpreter *interpreter = JS_GetCompartmentPrivate(comp);
/* This can be called if @obj if not itself an instance of the
* appropriate class but has one in its prototype chain. Fail
* such calls. */
if (!JS_InstanceOf(ctx, hobj, &element_class, NULL))
return false;
struct view_state *vs = interpreter->vs;
if (!vs) {
return true;
}
return true;
}
static bool static bool
element_set_property_id(JSContext *ctx, unsigned int argc, JS::Value *vp) element_set_property_id(JSContext *ctx, unsigned int argc, JS::Value *vp)
{ {

20
test/ecmascript/dir.html Normal file
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@ -0,0 +1,20 @@
<html>
<body>
<a href="/home">BBB</a>
<b dir="ltr" id="aaaa">bbb</b>
<a dir="rtl" id="blabla" href="/">
<b>AAA</b><u dir="auto" id="ble" title="test">UUU</u>AAAAAAA
</a>
<a id="bb" dir="blalalala" href="/">BB</a>
<script>
function aa()
{
alert('aaaa ' + document.getElementById('aaaa').dir);
alert('blabla ' + document.getElementById('blabla').dir);
alert('ble ' + document.getElementById('ble').dir);
alert('bb ' + document.getElementById('bb').dir);
}
</script>
<button onclick="return aa()">Click me!</button>
</body>
</html>