| /********************************************************************* |
| * NAN - Native Abstractions for Node.js |
| * |
| * Copyright (c) 2018 NAN contributors |
| * |
| * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md> |
| ********************************************************************/ |
| |
| #ifndef NAN_CONVERTERS_H_ |
| #define NAN_CONVERTERS_H_ |
| |
| namespace imp { |
| template<typename T> struct ToFactoryBase { |
| typedef MaybeLocal<T> return_t; |
| }; |
| template<typename T> struct ValueFactoryBase { typedef Maybe<T> return_t; }; |
| |
| template<typename T> struct ToFactory; |
| |
| template<> |
| struct ToFactory<v8::Function> : ToFactoryBase<v8::Function> { |
| static inline return_t convert(v8::Local<v8::Value> val) { |
| if (val.IsEmpty() || !val->IsFunction()) return MaybeLocal<v8::Function>(); |
| return MaybeLocal<v8::Function>(val.As<v8::Function>()); |
| } |
| }; |
| |
| #define X(TYPE) \ |
| template<> \ |
| struct ToFactory<v8::TYPE> : ToFactoryBase<v8::TYPE> { \ |
| static inline return_t convert(v8::Local<v8::Value> val); \ |
| }; |
| |
| X(Boolean) |
| X(Number) |
| X(String) |
| X(Object) |
| X(Integer) |
| X(Uint32) |
| X(Int32) |
| |
| #undef X |
| |
| #define X(TYPE) \ |
| template<> \ |
| struct ToFactory<TYPE> : ValueFactoryBase<TYPE> { \ |
| static inline return_t convert(v8::Local<v8::Value> val); \ |
| }; |
| |
| X(bool) |
| X(double) |
| X(int64_t) |
| X(uint32_t) |
| X(int32_t) |
| |
| #undef X |
| } // end of namespace imp |
| |
| template<typename T> |
| inline |
| typename imp::ToFactory<T>::return_t To(v8::Local<v8::Value> val) { |
| return imp::ToFactory<T>::convert(val); |
| } |
| |
| #if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ |
| (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) |
| # include "nan_converters_43_inl.h" |
| #else |
| # include "nan_converters_pre_43_inl.h" |
| #endif |
| |
| #endif // NAN_CONVERTERS_H_ |