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