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73 lines
2.4 KiB
73 lines
2.4 KiB
#include <nan.h>
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#include "boolean.h"
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namespace SassTypes
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{
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Nan::Persistent<v8::Function> Boolean::constructor;
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bool Boolean::constructor_locked = false;
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Boolean::Boolean(bool _value) {
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value = sass_make_boolean(_value);
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}
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Boolean& Boolean::get_singleton(bool v) {
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static Boolean instance_false(false), instance_true(true);
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return v ? instance_true : instance_false;
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}
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v8::Local<v8::Function> Boolean::get_constructor() {
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Nan::EscapableHandleScope scope;
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v8::Local<v8::Function> conslocal;
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if (constructor.IsEmpty()) {
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v8::Local<v8::FunctionTemplate> tpl = Nan::New<v8::FunctionTemplate>(New);
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tpl->SetClassName(Nan::New("SassBoolean").ToLocalChecked());
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tpl->InstanceTemplate()->SetInternalFieldCount(1);
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Nan::SetPrototypeTemplate(tpl, "getValue", Nan::New<v8::FunctionTemplate>(GetValue));
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conslocal = Nan::GetFunction(tpl).ToLocalChecked();
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constructor.Reset(conslocal);
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get_singleton(false).js_object.Reset(Nan::NewInstance(conslocal).ToLocalChecked());
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Nan::SetInternalFieldPointer(Nan::New(get_singleton(false).js_object), 0, &get_singleton(false));
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Nan::Set(conslocal, Nan::New("FALSE").ToLocalChecked(), Nan::New(get_singleton(false).js_object));
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get_singleton(true).js_object.Reset(Nan::NewInstance(conslocal).ToLocalChecked());
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Nan::SetInternalFieldPointer(Nan::New(get_singleton(true).js_object), 0, &get_singleton(true));
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Nan::Set(conslocal, Nan::New("TRUE").ToLocalChecked(), Nan::New(get_singleton(true).js_object));
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constructor_locked = true;
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} else {
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conslocal = Nan::New(constructor);
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}
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return scope.Escape(conslocal);
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}
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v8::Local<v8::Object> Boolean::get_js_object() {
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return Nan::New(this->js_object);
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}
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v8::Local<v8::Boolean> Boolean::get_js_boolean() {
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return sass_boolean_get_value(this->value) ? Nan::True() : Nan::False();
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}
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NAN_METHOD(Boolean::New) {
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if (info.IsConstructCall()) {
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if (constructor_locked) {
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return Nan::ThrowTypeError("Cannot instantiate SassBoolean");
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}
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}
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else {
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if (info.Length() != 1 || !info[0]->IsBoolean()) {
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return Nan::ThrowTypeError("Expected one boolean argument");
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}
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info.GetReturnValue().Set(get_singleton(Nan::To<bool>(info[0]).FromJust()).get_js_object());
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}
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}
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NAN_METHOD(Boolean::GetValue) {
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info.GetReturnValue().Set(Boolean::Unwrap<Boolean>(info.This())->get_js_boolean());
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}
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}
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