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[quickjs] remember elements nodes in map.

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title.html example works
This commit is contained in:
Witold Filipczyk 2021-11-09 18:44:12 +01:00
parent 1342d7510a
commit 10bfe65e05
2 changed files with 27 additions and 4 deletions
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29
src/ecmascript/quickjs/element.c
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@ -55,6 +55,7 @@
#include <iostream>
#include <algorithm>
#include <map>
#include <string>
#define countof(x) (sizeof(x) / sizeof((x)[0]))
@ -1591,8 +1592,18 @@ static const JSCFunctionListEntry js_element_proto_funcs[] = {
JS_CFUNC_DEF("setAttribute",2, js_element_setAttribute),
};
static std::map<void *, JSValueConst> map_elements;
void js_element_finalizer(JSRuntime *rt, JSValue val)
{
void *node = JS_GetOpaque(val, js_element_class_id);
map_elements.erase(node);
}
static JSClassDef js_element_class = {
"element",
js_element_finalizer
};
static JSValue
@ -1647,9 +1658,19 @@ getElement(JSContext *ctx, void *node)
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
auto node_find = map_elements.find(node);
if (node_find != map_elements.end()) {
return JS_DupValue(ctx, node_find->second);
}
static int initialized;
/* create the element class */
JS_NewClassID(&js_element_class_id);
JS_NewClass(JS_GetRuntime(ctx), js_element_class_id, &js_element_class);
if (!initialized) {
JS_NewClassID(&js_element_class_id);
JS_NewClass(JS_GetRuntime(ctx), js_element_class_id, &js_element_class);
initialized = 1;
}
JSValue element_obj = JS_NewObjectClass(ctx, js_element_class_id);
JS_SetPropertyFunctionList(ctx, element_obj, js_element_proto_funcs, countof(js_element_proto_funcs));
@ -1658,5 +1679,7 @@ getElement(JSContext *ctx, void *node)
JS_SetClassProto(ctx, js_element_class_id, element_obj);
JS_SetOpaque(element_obj, node);
return element_obj;
map_elements[node] = element_obj;
return JS_DupValue(ctx, element_obj);
}

2
test/ecmascript/title.html
View File

@ -9,7 +9,7 @@
<script>
function aa()
{
alert(document.getElementById('ble').title);
window.alert(document.getElementById('ble').title);
}
function bb()