www.aleph1.co.uk Git - yaffs-website/blob - node_modules/nan/nan_converters.h

   1 /*********************************************************************
   2  * NAN - Native Abstractions for Node.js
   3  *
   4  * Copyright (c) 2017 NAN contributors
   5  *
   6  * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
   7  ********************************************************************/
   8
   9 #ifndef NAN_CONVERTERS_H_
  10 #define NAN_CONVERTERS_H_
  11
  12 namespace imp {
  13 template<typename T> struct ToFactoryBase {
  14   typedef MaybeLocal<T> return_t;
  15 };
  16 template<typename T> struct ValueFactoryBase { typedef Maybe<T> return_t; };
  17
  18 template<typename T> struct ToFactory;
  19
  20 #define X(TYPE)                                                                \
  21     template<>                                                                 \
  22     struct ToFactory<v8::TYPE> : ToFactoryBase<v8::TYPE> {                     \
  23       static inline return_t convert(v8::Local<v8::Value> val);                \
  24     };
  25
  26 X(Boolean)
  27 X(Number)
  28 X(String)
  29 X(Object)
  30 X(Integer)
  31 X(Uint32)
  32 X(Int32)
  33
  34 #undef X
  35
  36 #define X(TYPE)                                                                \
  37     template<>                                                                 \
  38     struct ToFactory<TYPE> : ValueFactoryBase<TYPE> {                          \
  39       static inline return_t convert(v8::Local<v8::Value> val);                \
  40     };
  41
  42 X(bool)
  43 X(double)
  44 X(int64_t)
  45 X(uint32_t)
  46 X(int32_t)
  47
  48 #undef X
  49 }  // end of namespace imp
  50
  51 template<typename T>
  52 inline
  53 typename imp::ToFactory<T>::return_t To(v8::Local<v8::Value> val) {
  54   return imp::ToFactory<T>::convert(val);
  55 }
  56
  57 #if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
  58   (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
  59 # include "nan_converters_43_inl.h"
  60 #else
  61 # include "nan_converters_pre_43_inl.h"
  62 #endif
  63
  64 #endif  // NAN_CONVERTERS_H_