static bool js_object_external_function_callback(
const jerry_api_object_t *function_object_ptr,
const jerry_api_value_t *this_object_ptr,
jerry_api_value_t *result_value_ptr,
const jerry_api_value_t js_api_arguments[],
const jerry_api_length_t argumentCount) {
const auto position = JSObject::js_object_external_functions_map__.find(function_object_ptr);
assert(position != JSObject::js_object_external_functions_map__.end());
auto callback = position->second;
// TODO: Use current context
JSContextGroup js_context_group;
const auto js_context = js_context_group.CreateContext();
auto function_object = JSObject(js_context, function_object_ptr);
auto this_object = JSObject(js_context, *this_object_ptr);
const auto arguments = detail::to_vector(js_context, js_api_arguments, argumentCount);
auto callback_result = callback(function_object, this_object, arguments);
auto callback_result_value = static_cast<jerry_api_value_t>(callback_result);
// callback value should be considered "unmanaged" from Daisy
callback_result.unmanaged();
detail::js_jerry_api_value_make_copy(callback_result_value, result_value_ptr);
return true;
}
void CXFA_Occur::SetMin(int32_t iMin) {
iMin = (iMin < 0) ? 1 : iMin;
JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
int32_t iMax = GetMax();
if (iMax > 0 && iMax < iMin) {
iMax = iMin;
JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
}
}
void CXFA_Occur::SetMax(int32_t iMax) {
iMax = (iMax != -1 && iMax < 1) ? 1 : iMax;
JSObject()->SetInteger(XFA_Attribute::Max, iMax, false);
int32_t iMin = GetMin();
if (iMax != -1 && iMax < iMin) {
iMin = iMax;
JSObject()->SetInteger(XFA_Attribute::Min, iMin, false);
}
}
JSObject JSObject::CallAsConstructor(const std::vector<JSValue>& arguments) {
HAL_JSOBJECT_LOCK_GUARD;
if (!IsConstructor()) {
detail::ThrowRuntimeError("JSObject", "This JavaScript object is not a constructor.");
}
JSValueRef exception { nullptr };
JSObjectRef js_object_ref = nullptr;
if (!arguments.empty()) {
const auto arguments_array = detail::to_vector(arguments);
js_object_ref = JSObjectCallAsConstructor(static_cast<JSContextRef>(js_context__), js_object_ref__, arguments_array.size(), &arguments_array[0], &exception);
} else {
js_object_ref = JSObjectCallAsConstructor(static_cast<JSContextRef>(js_context__), js_object_ref__, 0, nullptr, &exception);
}
if (exception) {
// If this assert fails then we need to JSValueUnprotect
// js_object_ref.
assert(!js_object_ref);
detail::ThrowRuntimeError("JSObject", JSValue(js_context__, exception));
}
// postcondition
assert(js_object_ref);
return JSObject(js_context__, js_object_ref);
}
std::tuple<int32_t, int32_t, int32_t> CXFA_Occur::GetOccurInfo() {
int32_t iMin = GetMin();
int32_t iMax = GetMax();
Optional<int32_t> init =
JSObject()->TryInteger(XFA_Attribute::Initial, false);
return {iMin, iMax, init && *init >= iMin ? *init : iMin};
}
JSObject JSClass::JSObjectMakeFunctionWithCallback(const JSContext& js_context, const std::string& name, JSObjectCallAsFunctionCallback callback) const {
auto js_api_object = jerry_api_create_external_function(js_object_external_function_callback);
auto function_object = JSObject(js_context, js_api_object);
const auto position = JSObject::js_object_external_functions_map__.find(js_api_object);
assert(position == JSObject::js_object_external_functions_map__.end());
JSObject::js_object_external_functions_map__.emplace(js_api_object, callback);
return function_object;
}
JSValue::operator JSObject() const {
HAL_JSVALUE_LOCK_GUARD;
JSValueRef exception { nullptr };
JSObjectRef js_object_ref = JSValueToObject(static_cast<JSContextRef>(js_context__), js_value_ref__, &exception);
if (exception) {
// If this assert fails then we need to JSValueUnprotect
// js_object_ref.
assert(!js_object_ref);
detail::ThrowRuntimeError("JSValue", JSValue(js_context__, exception));
}
assert(js_object_ref);
return JSObject(js_context__, js_object_ref);
}
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);
}
int32_t CXFA_Occur::GetMin() {
Optional<int32_t> min = JSObject()->TryInteger(XFA_Attribute::Min, true);
return min && *min >= 0 ? *min : 1;
}
int32_t CXFA_Occur::GetMax() {
Optional<int32_t> max = JSObject()->TryInteger(XFA_Attribute::Max, true);
return max ? *max : GetMin();
}
JSObject JSValue::ToObject() const {
assert(IsObject());
return JSObject(ctx_, instance());
}
