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[quickjs] document.addEventListener

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This commit is contained in:
Witold Filipczyk 2024-03-04 21:47:34 +01:00
parent 8e8d9df4d6
commit f807c611fa
1 changed files with 164 additions and 2 deletions
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166
src/ecmascript/quickjs/document.c
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@ -42,6 +42,32 @@ static JSValue getDoctype(JSContext *ctx, void *node);
static JSClassID js_doctype_class_id;
static JSClassID js_document_class_id;
struct document_listener {
LIST_HEAD_EL(struct document_listener);
char *typ;
JSValue fun;
};
struct js_document_private {
LIST_OF(struct document_listener) listeners;
struct ecmascript_interpreter *interpreter;
JSValue thisval;
void *node;
};
void *
js_doc_getopaque(JSValueConst obj, JSClassID class_id)
{
REF_JS(obj);
struct js_document_private *res = (struct js_document_private *)JS_GetOpaque(obj, class_id);
if (!res) {
return NULL;
}
return res->node;
}
static JSValue
js_document_get_property_anchors(JSContext *ctx, JSValueConst this_val)
{
@ -984,6 +1010,109 @@ js_document_replace(JSContext *ctx, JSValueConst this_val, int argc, JSValueCons
return JS_TRUE;
}
static JSValue
js_document_addEventListener(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
REF_JS(this_val);
struct js_document_private *doc_private = (struct js_document_private *)(JS_GetOpaque(this_val, js_document_class_id));
if (!doc_private) {
return JS_NULL;
}
if (argc < 2) {
return JS_UNDEFINED;
}
const char *str;
size_t len;
str = JS_ToCStringLen(ctx, &len, argv[0]);
if (!str) {
return JS_EXCEPTION;
}
char *method = stracpy(str);
JS_FreeCString(ctx, str);
if (!method) {
return JS_EXCEPTION;
}
JSValue fun = argv[1];
struct document_listener *l;
foreach(l, doc_private->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (JS_VALUE_GET_PTR(l->fun) == JS_VALUE_GET_PTR(fun)) {
mem_free(method);
return JS_UNDEFINED;
}
}
struct document_listener *n = (struct document_listener *)mem_calloc(1, sizeof(*n));
if (n) {
n->typ = method;
n->fun = JS_DupValue(ctx, argv[1]);
add_to_list_end(doc_private->listeners, n);
}
return JS_UNDEFINED;
}
static JSValue
js_document_removeEventListener(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
REF_JS(this_val);
struct js_document_private *doc_private = (struct js_document_private *)(JS_GetOpaque(this_val, js_document_class_id));
if (!doc_private) {
return JS_NULL;
}
if (argc < 2) {
return JS_UNDEFINED;
}
const char *str;
size_t len;
str = JS_ToCStringLen(ctx, &len, argv[0]);
if (!str) {
return JS_EXCEPTION;
}
char *method = stracpy(str);
JS_FreeCString(ctx, str);
if (!method) {
return JS_EXCEPTION;
}
JSValue fun = argv[1];
struct document_listener *l;
foreach(l, doc_private->listeners) {
if (strcmp(l->typ, method)) {
continue;
}
if (JS_VALUE_GET_PTR(l->fun) == JS_VALUE_GET_PTR(fun)) {
del_from_list(l);
mem_free_set(&l->typ, NULL);
mem_free(l);
mem_free(method);
return JS_UNDEFINED;
}
}
mem_free(method);
return JS_UNDEFINED;
}
static JSValue
js_document_createComment(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
{
@ -1579,12 +1708,14 @@ static const JSCFunctionListEntry js_document_proto_funcs[] = {
JS_CGETSET_DEF("title", js_document_get_property_title, js_document_set_property_title), /* TODO: Charset? */
JS_CGETSET_DEF("URL", js_document_get_property_url, js_document_set_property_url),
JS_CFUNC_DEF("addEventListener", 3, js_document_addEventListener),
JS_CFUNC_DEF("createComment", 1, js_document_createComment),
JS_CFUNC_DEF("createDocumentFragment", 0, js_document_createDocumentFragment),
JS_CFUNC_DEF("createElement", 1, js_document_createElement),
JS_CFUNC_DEF("createTextNode", 1, js_document_createTextNode),
JS_CFUNC_DEF("write", 1, js_document_write),
JS_CFUNC_DEF("writeln", 1, js_document_writeln),
JS_CFUNC_DEF("removeEventListener", 3, js_document_removeEventListener),
JS_CFUNC_DEF("replace", 2, js_document_replace),
JS_CFUNC_DEF("getElementById", 1, js_document_getElementById),
JS_CFUNC_DEF("getElementsByClassName", 1, js_document_getElementsByClassName),
@ -1596,8 +1727,27 @@ static const JSCFunctionListEntry js_document_proto_funcs[] = {
JS_CFUNC_DEF("toString", 0, js_document_toString)
};
static void
js_document_finalizer(JSRuntime *rt, JSValue val)
{
REF_JS(val);
struct js_document_private *doc_private = (struct js_document_private *)JS_GetOpaque(val, js_document_class_id);
if (doc_private) {
struct document_listener *l;
foreach(l, doc_private->listeners) {
mem_free_set(&l->typ, NULL);
}
free_list(doc_private->listeners);
mem_free(doc_private);
}
}
static JSClassDef js_document_class = {
"document",
js_document_finalizer
};
JSValue
@ -1723,12 +1873,24 @@ getDocument(JSContext *ctx, void *doc)
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
struct js_document_private *doc_private = (struct js_document_private *)mem_calloc(1, sizeof(*doc_private));
if (!doc_private) {
return JS_NULL;
}
init_list(doc_private->listeners);
doc_private->node = doc;
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
doc_private->interpreter = interpreter;
JSValue document_obj = JS_NewObject(ctx);
JS_SetPropertyFunctionList(ctx, document_obj, js_document_proto_funcs, countof(js_document_proto_funcs));
// document_class = JS_NewCFunction2(ctx, js_document_ctor, "document", 0, JS_CFUNC_constructor, 0);
// JS_SetConstructor(ctx, document_class, document_obj);
JS_SetClassProto(ctx, js_document_class_id, document_obj);
JS_SetOpaque(document_obj, doc);
JS_SetOpaque(document_obj, doc_private);
RETURN_JS(document_obj);
JSValue rr = JS_DupValue(ctx, document_obj);
doc_private->thisval = JS_DupValue(ctx, rr);
RETURN_JS(rr);
}