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[quikcjs] attributes example fixes

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This commit is contained in:
Witold Filipczyk 2021-11-25 16:21:25 +01:00
parent 9a3be156a7
commit 698ae6ef15
2 changed files with 82 additions and 109 deletions
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88
src/ecmascript/quickjs/attr.c
View File

@ -119,66 +119,50 @@ static const JSCFunctionListEntry js_attr_proto_funcs[] = {
JS_CGETSET_DEF("value", js_attr_get_property_value, nullptr),
};
static std::map<void *, JSValueConst> map_attrs;
static
void js_attr_finalizer(JSRuntime *rt, JSValue val)
{
void *node = JS_GetOpaque(val, js_attr_class_id);
map_attrs.erase(node);
}
static JSClassDef js_attr_class = {
"attr",
js_attr_finalizer
};
static JSValue
js_attr_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_attr_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_attr_init(JSContext *ctx, JSValue global_obj)
{
JSValue attr_proto, attr_class;
/* create the attr class */
JS_NewClassID(&js_attr_class_id);
JS_NewClass(JS_GetRuntime(ctx), js_attr_class_id, &js_attr_class);
attr_proto = JS_NewObject(ctx);
JS_SetPropertyFunctionList(ctx, attr_proto, js_attr_proto_funcs, countof(js_attr_proto_funcs));
attr_class = JS_NewCFunction2(ctx, js_attr_ctor, "attr", 0, JS_CFUNC_constructor, 0);
/* set proto.constructor and ctor.prototype */
JS_SetConstructor(ctx, attr_class, attr_proto);
JS_SetClassProto(ctx, js_attr_class_id, attr_proto);
JS_SetPropertyStr(ctx, global_obj, "attr", attr_proto);
return 0;
}
JSValue
getAttr(JSContext *ctx, void *node)
{
JSValue attr_obj = JS_NewObject(ctx);
JS_SetPropertyFunctionList(ctx, attr_obj, js_attr_proto_funcs, countof(js_attr_proto_funcs));
// attr_class = JS_NewCFunction2(ctx, js_attr_ctor, "attr", 0, JS_CFUNC_constructor, 0);
// JS_SetConstructor(ctx, attr_class, attr_obj);
JS_SetClassProto(ctx, js_attr_class_id, attr_obj);
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
static int initialized;
/* create the element class */
if (!initialized) {
JS_NewClassID(&js_attr_class_id);
JS_NewClass(JS_GetRuntime(ctx), js_attr_class_id, &js_attr_class);
initialized = 1;
}
auto node_find = map_attrs.find(node);
if (node_find != map_attrs.end()) {
JSValue r = JS_DupValue(ctx, node_find->second);
RETURN_JS(r);
}
JSValue attr_obj = JS_NewObjectClass(ctx, js_attr_class_id);
JS_SetPropertyFunctionList(ctx, attr_obj, js_attr_proto_funcs, countof(js_attr_proto_funcs));
JS_SetClassProto(ctx, js_attr_class_id, attr_obj);
JS_SetOpaque(attr_obj, node);
RETURN_JS(attr_obj);
map_attrs[node] = attr_obj;
JSValue rr = JS_DupValue(ctx, attr_obj);
RETURN_JS(rr);
}

103
src/ecmascript/quickjs/attributes.c
View File

@ -55,7 +55,24 @@
#define countof(x) (sizeof(x) / sizeof((x)[0]))
static JSClassID js_attributes_class_id;
static std::map<void *, JSValueConst> map_attributes;
static std::map<JSValueConst, void *> map_rev_attributes;
static void *
js_attributes_GetOpaque(JSValueConst this_val)
{
return map_rev_attributes[this_val];
}
static void
js_attributes_SetOpaque(JSValueConst this_val, void *node)
{
if (!node) {
map_rev_attributes.erase(this_val);
} else {
map_rev_attributes[this_val] = node;
}
}
static void
js_attributes_set_items(JSContext *ctx, JSValue this_val, void *node)
@ -68,7 +85,7 @@ js_attributes_set_items(JSContext *ctx, JSValue this_val, void *node)
int counter = 0;
xmlpp::Element::AttributeList *al = JS_GetOpaque(this_val, js_attributes_class_id);
xmlpp::Element::AttributeList *al = node;
if (!al) {
return;
@ -112,7 +129,7 @@ js_attributes_get_property_length(JSContext *ctx, JSValueConst this_val)
return JS_EXCEPTION;
}
xmlpp::Element::AttributeList *al = JS_GetOpaque(this_val, js_attributes_class_id);
xmlpp::Element::AttributeList *al = js_attributes_GetOpaque(this_val);
if (!al) {
return JS_NewInt32(ctx, 0);
@ -127,7 +144,7 @@ js_attributes_item2(JSContext *ctx, JSValueConst this_val, int idx)
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
xmlpp::Element::AttributeList *al = JS_GetOpaque(this_val, js_attributes_class_id);
xmlpp::Element::AttributeList *al = js_attributes_GetOpaque(this_val);
if (!al) {
return JS_UNDEFINED;
@ -171,7 +188,7 @@ js_attributes_namedItem2(JSContext *ctx, JSValueConst this_val, const char *str)
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
xmlpp::Element::AttributeList *al = JS_GetOpaque(this_val, js_attributes_class_id);
xmlpp::Element::AttributeList *al = js_attributes_GetOpaque(this_val);
if (!al) {
return JS_UNDEFINED;
@ -229,67 +246,39 @@ static const JSCFunctionListEntry js_attributes_proto_funcs[] = {
JS_CFUNC_DEF("getNamedItem", 1, js_attributes_getNamedItem),
};
static void
js_attributes_finalizer(JSRuntime *rt, JSValue val)
{
void *node = js_attributes_GetOpaque(val);
js_attributes_SetOpaque(val, nullptr);
map_attributes.erase(node);
}
static JSClassDef js_attributes_class = {
"attributes",
js_attributes_finalizer
};
static JSValue
js_attributes_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_attributes_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_attributes_init(JSContext *ctx, JSValue global_obj)
{
JSValue attributes_proto, attributes_class;
/* create the attributes class */
JS_NewClassID(&js_attributes_class_id);
JS_NewClass(JS_GetRuntime(ctx), js_attributes_class_id, &js_attributes_class);
attributes_proto = JS_NewObject(ctx);
JS_SetPropertyFunctionList(ctx, attributes_proto, js_attributes_proto_funcs, countof(js_attributes_proto_funcs));
attributes_class = JS_NewCFunction2(ctx, js_attributes_ctor, "attributes", 0, JS_CFUNC_constructor, 0);
/* set proto.constructor and ctor.prototype */
JS_SetConstructor(ctx, attributes_class, attributes_proto);
JS_SetClassProto(ctx, js_attributes_class_id, attributes_proto);
JS_SetPropertyStr(ctx, global_obj, "attributes", attributes_proto);
return 0;
}
JSValue
getAttributes(JSContext *ctx, void *node)
{
JSValue attributes_obj = JS_NewObject(ctx);
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
auto node_find = map_attributes.find(node);
if (node_find != map_attributes.end()) {
JSValue r = JS_DupValue(ctx, node_find->second);
RETURN_JS(r);
}
JSValue attributes_obj = JS_NewArray(ctx);
JS_SetPropertyFunctionList(ctx, attributes_obj, js_attributes_proto_funcs, countof(js_attributes_proto_funcs));
// attributes_class = JS_NewCFunction2(ctx, js_attributes_ctor, "attributes", 0, JS_CFUNC_constructor, 0);
// JS_SetConstructor(ctx, attributes_class, attributes_obj);
JS_SetClassProto(ctx, js_attributes_class_id, attributes_obj);
JS_SetOpaque(attributes_obj, node);
js_attributes_SetOpaque(attributes_obj, node);
js_attributes_set_items(ctx, attributes_obj, node);
map_attributes[node] = attributes_obj;
RETURN_JS(attributes_obj);
JSValue rr = JS_DupValue(ctx, attributes_obj);
RETURN_JS(rr);
}