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Code

[quickjs] nodelist as array

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This commit is contained in:
Witold Filipczyk 2021-11-21 16:27:01 +01:00
parent 20362003bd
commit 14e60c35ab
1 changed files with 43 additions and 57 deletions
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100
src/ecmascript/quickjs/nodelist.c
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@ -56,7 +56,24 @@
#define countof(x) (sizeof(x) / sizeof((x)[0]))
static JSClassID js_nodeList_class_id;
static std::map<void *, JSValueConst> map_nodelist;
static std::map<JSValueConst, void *> map_rev_nodelist;
static void *
js_nodeList_GetOpaque(JSValueConst this_val)
{
return map_rev_nodelist[this_val];
}
static void
js_nodeList_SetOpaque(JSValueConst this_val, void *node)
{
if (!node) {
map_rev_nodelist.erase(this_val);
} else {
map_rev_nodelist[this_val] = node;
}
}
static JSValue
js_nodeList_get_property_length(JSContext *ctx, JSValueConst this_val)
@ -64,7 +81,7 @@ js_nodeList_get_property_length(JSContext *ctx, JSValueConst this_val)
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
xmlpp::Node::NodeList *nl = JS_GetOpaque(this_val, js_nodeList_class_id);
xmlpp::Node::NodeList *nl = js_nodeList_GetOpaque(this_val);
if (!nl) {
return JS_NewInt32(ctx, 0);
@ -79,7 +96,7 @@ js_nodeList_item2(JSContext *ctx, JSValueConst this_val, int idx)
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
xmlpp::Node::NodeList *nl = JS_GetOpaque(this_val, js_nodeList_class_id);
xmlpp::Node::NodeList *nl = js_nodeList_GetOpaque(this_val);
if (!nl) {
return JS_UNDEFINED;
@ -126,7 +143,7 @@ js_nodeList_set_items(JSContext *ctx, JSValue this_val, void *node)
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
xmlpp::Node::NodeList *nl = JS_GetOpaque(this_val, js_nodeList_class_id);
xmlpp::Node::NodeList *nl = node;
if (!nl) {
return;
@ -146,73 +163,42 @@ js_nodeList_set_items(JSContext *ctx, JSValue this_val, void *node)
}
static const JSCFunctionListEntry js_nodeList_proto_funcs[] = {
JS_CGETSET_DEF("length", js_nodeList_get_property_length, nullptr),
// JS_CGETSET_DEF("length", js_nodeList_get_property_length, nullptr),
JS_CFUNC_DEF("item", 1, js_nodeList_item),
};
static void
js_nodeList_finalizer(JSRuntime *rt, JSValue val)
{
void *node = js_nodeList_GetOpaque(val);
js_nodeList_SetOpaque(val, nullptr);
map_nodelist.erase(node);
}
static JSClassDef js_nodeList_class = {
"nodeList",
js_nodeList_finalizer
};
static JSValue
js_nodeList_ctor(JSContext *ctx, JSValueConst new_target, int argc, JSValueConst *argv)
{
JSValue obj = JS_UNDEFINED;
JSValue proto;
/* using new_target to get the prototype is necessary when the
class is extended. */
proto = JS_GetPropertyStr(ctx, new_target, "prototype");
if (JS_IsException(proto)) {
goto fail;
}
obj = JS_NewObjectProtoClass(ctx, proto, js_nodeList_class_id);
JS_FreeValue(ctx, proto);
if (JS_IsException(obj)) {
goto fail;
}
RETURN_JS(obj);
fail:
JS_FreeValue(ctx, obj);
return JS_EXCEPTION;
}
int
js_nodeList_init(JSContext *ctx, JSValue global_obj)
{
JSValue nodeList_proto, nodeList_class;
/* create the nodeList class */
JS_NewClassID(&js_nodeList_class_id);
JS_NewClass(JS_GetRuntime(ctx), js_nodeList_class_id, &js_nodeList_class);
nodeList_proto = JS_NewObject(ctx);
JS_SetPropertyFunctionList(ctx, nodeList_proto, js_nodeList_proto_funcs, countof(js_nodeList_proto_funcs));
nodeList_class = JS_NewCFunction2(ctx, js_nodeList_ctor, "nodeList", 0, JS_CFUNC_constructor, 0);
/* set proto.constructor and ctor.prototype */
JS_SetConstructor(ctx, nodeList_class, nodeList_proto);
JS_SetClassProto(ctx, js_nodeList_class_id, nodeList_proto);
JS_SetPropertyStr(ctx, global_obj, "nodeList", nodeList_proto);
return 0;
}
JSValue
getNodeList(JSContext *ctx, void *node)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
JSValue nodeList_obj = JS_NewObject(ctx);
JS_SetPropertyFunctionList(ctx, nodeList_obj, js_nodeList_proto_funcs, countof(js_nodeList_proto_funcs));
// nodeList_class = JS_NewCFunction2(ctx, js_nodeList_ctor, "nodeList", 0, JS_CFUNC_constructor, 0);
// JS_SetConstructor(ctx, nodeList_class, nodeList_obj);
JS_SetClassProto(ctx, js_nodeList_class_id, nodeList_obj);
auto node_find = map_nodelist.find(node);
JS_SetOpaque(nodeList_obj, node);
if (node_find != map_nodelist.end()) {
JSValue r = JS_DupValue(ctx, node_find->second);
RETURN_JS(r);
}
JSValue nodeList_obj = JS_NewArray(ctx);
JS_SetPropertyFunctionList(ctx, nodeList_obj, js_nodeList_proto_funcs, countof(js_nodeList_proto_funcs));
map_nodelist[node] = nodeList_obj;
js_nodeList_SetOpaque(nodeList_obj, node);
js_nodeList_set_items(ctx, nodeList_obj, node);
RETURN_JS(nodeList_obj);