// For interoperability with the JavaScriptCore C API.
JSObject::JSObject(const JSContext& js_context, JSObjectRef js_object_ref)
: js_context__(js_context)
, js_object_ref__(js_object_ref) {
HAL_LOG_TRACE("JSObject:: ctor 2 ", this);
HAL_LOG_TRACE("JSObject:: retain ", js_object_ref__, " for ", this);
JSValueProtect(static_cast<JSContextRef>(js_context__), js_object_ref__);
RegisterJSContext(static_cast<JSContextRef>(js_context__), js_object_ref__);
}
JSObject::JSObject(const JSContext& js_context, const JSClass& js_class, void* private_data)
: js_context__(js_context)
, js_object_ref__(JSObjectMake(static_cast<JSContextRef>(js_context), static_cast<JSClassRef>(js_class), private_data)) {
HAL_LOG_TRACE("JSObject:: ctor 1 ", this);
HAL_LOG_TRACE("JSObject:: retain ", js_object_ref__, " (implicit) for ", this);
JSValueProtect(static_cast<JSContextRef>(js_context__), js_object_ref__);
RegisterJSContext(static_cast<JSContextRef>(js_context__), js_object_ref__);
}
JSValue::JSValue(const JSContext& js_context, const JSString& js_string, bool parse_as_json)
: js_context__(js_context) {
HAL_LOG_TRACE("JSValue:: ctor 1 ", this);
if (parse_as_json) {
js_value_ref__ = JSValueMakeFromJSONString(static_cast<JSContextRef>(js_context), static_cast<JSStringRef>(js_string));
if (!js_value_ref__) {
const std::string message = "Input is not a valid JSON string: " + to_string(js_string);
detail::ThrowRuntimeError("JSValue", message);
}
} else {
js_value_ref__ = JSValueMakeString(static_cast<JSContextRef>(js_context__), static_cast<JSStringRef>(js_string));
}
HAL_LOG_TRACE("JSValue:: retain ", js_value_ref__, " for ", this);
JSValueProtect(static_cast<JSContextRef>(js_context__), js_value_ref__);
}
JSValue& JSValue::operator=(JSValue rhs) {
HAL_JSVALUE_LOCK_GUARD;
HAL_LOG_TRACE("JSValue:: copy assignment ", this);
// JSValues can only be copied between contexts within the same
// context group.
if (js_context__.get_context_group() != rhs.js_context__.get_context_group()) {
detail::ThrowRuntimeError("JSValue", "JSValues must belong to JSContexts within the same JSContextGroup to be shared and exchanged.");
}
swap(rhs);
return *this;
}
JSObject JSObject::FindJSObject(JSContextRef js_context_ref, JSObjectRef js_object_ref) {
HAL_JSOBJECT_LOCK_GUARD_STATIC;
const auto key = reinterpret_cast<std::intptr_t>(js_object_ref);
const auto position = js_object_ref_to_js_context_ref_map__.find(key);
const bool found = position != js_object_ref_to_js_context_ref_map__.end();
// precondition
if (found) {
js_context_ref = reinterpret_cast<JSContextRef>(std::get<0>(position -> second));
}
HAL_LOG_TRACE("JSObject::FindJSObject: found = ", found, " for JSObjectRef ", js_object_ref, ", JSContextRef = ", js_context_ref);
return JSObject(JSContext(js_context_ref), js_object_ref);
}
JSObject JSObject::FindJSObjectFromPrivateData(JSContext js_context, void* private_data) {
HAL_JSOBJECT_LOCK_GUARD_STATIC;
const auto key = reinterpret_cast<std::intptr_t>(private_data);
const auto position = js_private_data_to_js_object_ref_map__.find(key);
const bool found = position != js_private_data_to_js_object_ref_map__.end();
// This could happen when owner object is gargabe collected while executing async operation.
// This Error object will be only used internally to see if object is found or not.
if (!found) {
return js_context.CreateError();
}
JSObjectRef js_object_ref = reinterpret_cast<JSObjectRef>(position -> second);
HAL_LOG_TRACE("JSObject::FindJSObjectFromPrivateData: found = ", found, " for data = ", key, ", JSObjectRef = ", js_object_ref);
return FindJSObject(static_cast<JSContextRef>(js_context), js_object_ref);
}