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Add converter for std::map

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This commit is contained in:
Cheng Zhao 2016-06-13 09:26:04 +09:00
parent 4ad6ecd196
commit e75f2aa087
1 changed files with 31 additions and 9 deletions
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40
native_mate/converter.h
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@ -5,6 +5,7 @@
#ifndef NATIVE_MATE_CONVERTER_H_ #ifndef NATIVE_MATE_CONVERTER_H_
#define NATIVE_MATE_CONVERTER_H_ #define NATIVE_MATE_CONVERTER_H_
#include <map>
#include <string> #include <string>
#include <vector> #include <vector>
#include <set> #include <set>
@ -136,6 +137,11 @@ struct Converter<std::string> {
std::string* out); std::string* out);
}; };
v8::Local<v8::String> StringToSymbol(v8::Isolate* isolate,
const base::StringPiece& input);
std::string V8ToString(v8::Local<v8::Value> value);
template<> template<>
struct Converter<v8::Local<v8::Function> > { struct Converter<v8::Local<v8::Function> > {
static bool FromV8(v8::Isolate* isolate, static bool FromV8(v8::Isolate* isolate,
@ -255,6 +261,26 @@ struct Converter<std::set<T> > {
} }
}; };
template<typename T>
struct Converter<std::map<std::string, T> > {
static bool FromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
std::map<std::string, T> * out) {
if (!val->IsObject())
return false;
v8::Local<v8::Object> dict = val->ToObject();
v8::Local<v8::Array> keys = dict->GetOwnPropertyNames();
for (uint32_t i = 0; i < keys->Length(); ++i) {
v8::Local<v8::Value> key = keys->Get(i);
T value;
if (Converter<T>::FromV8(isolate, dict->Get(key), &value))
(*out)[V8ToString(key)] = std::move(value);
}
return true;
}
};
// Convenience functions that deduce T. // Convenience functions that deduce T.
template<typename T> template<typename T>
v8::Local<v8::Value> ConvertToV8(v8::Isolate* isolate, const T& input) { v8::Local<v8::Value> ConvertToV8(v8::Isolate* isolate, const T& input) {
@ -303,14 +329,6 @@ bool TryConvertToV8(v8::Isolate* isolate,
v8::Local<v8::Value>* output) { v8::Local<v8::Value>* output) {
return ToV8Traits<T>::TryConvertToV8(isolate, input, output); return ToV8Traits<T>::TryConvertToV8(isolate, input, output);
} }
inline v8::Local<v8::String> StringToV8(
v8::Isolate* isolate,
const base::StringPiece& input) {
return ConvertToV8(isolate, input).As<v8::String>();
}
v8::Local<v8::String> StringToSymbol(v8::Isolate* isolate,
const base::StringPiece& input);
template<typename T> template<typename T>
bool ConvertFromV8(v8::Isolate* isolate, v8::Local<v8::Value> input, bool ConvertFromV8(v8::Isolate* isolate, v8::Local<v8::Value> input,
@ -318,7 +336,11 @@ bool ConvertFromV8(v8::Isolate* isolate, v8::Local<v8::Value> input,
return Converter<T>::FromV8(isolate, input, result); return Converter<T>::FromV8(isolate, input, result);
} }
std::string V8ToString(v8::Local<v8::Value> value); inline v8::Local<v8::String> StringToV8(
v8::Isolate* isolate,
const base::StringPiece& input) {
return ConvertToV8(isolate, input).As<v8::String>();
}
} // namespace mate } // namespace mate