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Original file line number | Diff line number | Diff line change |
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@@ -16,4 +16,3 @@ tmpdata | |
ci | ||
.dockerignore | ||
dist | ||
native-node-utils |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,125 @@ | ||
#include "utils.h" | ||
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#ifndef __FF_ABSTRACT_CONVERTER_H__ | ||
#define __FF_ABSTRACT_CONVERTER_H__ | ||
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namespace FF { | ||
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/* | ||
ConverterImpl implements: | ||
static std::string getTypeName() | ||
static v8::Local<v8::Value> wrap(ConverterImpl::Type val) | ||
static bool unwrap(ConverterImpl::Type* pVal, v8::Local<v8::Value> jsVal) | ||
static ConverterImpl::Type unwrapUnchecked(v8::Local<v8::Value> jsVal) | ||
*/ | ||
template <class ConverterImpl> | ||
class AbstractConverter { | ||
public: | ||
typedef typename ConverterImpl::Type Type; | ||
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static bool assertType(v8::Local<v8::Value> jsVal) { | ||
return ConverterImpl::assertType(jsVal); | ||
} | ||
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static v8::Local<v8::Value> wrap(Type val) { | ||
return ConverterImpl::wrap(val); | ||
} | ||
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static Type unwrapUnchecked(v8::Local<v8::Value> jsVal) { | ||
return ConverterImpl::unwrapUnchecked(jsVal); | ||
} | ||
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static bool unwrapTo(Type* val, v8::Local<v8::Value> jsVal) { | ||
if (ConverterImpl::unwrap(val, jsVal)) { | ||
Nan::ThrowError(FF::newString( | ||
std::string("failed to unwrap value, expected ") | ||
+ std::string(ConverterImpl::getTypeName()) | ||
)); | ||
return true; | ||
} | ||
return false; | ||
} | ||
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static bool arg(int argN, Type* val, Nan::NAN_METHOD_ARGS_TYPE info) { | ||
Nan::TryCatch tryCatch; | ||
if (!hasArg(info, argN) || ConverterImpl::unwrap(val, info[argN])) { | ||
if (tryCatch.HasCaught()) { | ||
tryCatch.ReThrow(); | ||
} | ||
else { | ||
Nan::ThrowError(FF::newString( | ||
std::string("expected argument ") | ||
+ std::to_string(argN) | ||
+ std::string(" to be of type ") | ||
+ std::string(ConverterImpl::getTypeName()) | ||
)); | ||
tryCatch.ReThrow(); | ||
} | ||
return true; | ||
} | ||
return false; | ||
} | ||
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static bool optArg(int argN, Type* val, Nan::NAN_METHOD_ARGS_TYPE info) { | ||
if (hasArg(info, argN) && info[argN]->IsFunction()) { | ||
return false; | ||
} | ||
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Nan::TryCatch tryCatch; | ||
if (hasArg(info, argN) && ConverterImpl::unwrap(val, info[argN])) { | ||
if (tryCatch.HasCaught()) { | ||
tryCatch.ReThrow(); | ||
} | ||
else { | ||
Nan::ThrowError(FF::newString( | ||
std::string("expected argument ") | ||
+ std::to_string(argN) | ||
+ std::string(" to be of type ") | ||
+ std::string(ConverterImpl::getTypeName()) | ||
)); | ||
tryCatch.ReThrow(); | ||
} | ||
return true; | ||
} | ||
return false; | ||
} | ||
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static bool prop(Type* val, const char* prop, v8::Local<v8::Object> opts) { | ||
if (!Nan::HasOwnProperty(opts, Nan::New(prop).ToLocalChecked()).FromJust()) { | ||
Nan::ThrowError(FF::newString( | ||
std::string("expected object to have property: ") | ||
+ std::string(prop) | ||
)); | ||
return true; | ||
} | ||
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return AbstractConverter::optProp(val, prop, opts); | ||
} | ||
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static bool optProp(Type* val, const char* prop, v8::Local<v8::Object> opts) { | ||
Nan::TryCatch tryCatch; | ||
if ( | ||
Nan::HasOwnProperty(opts, Nan::New(prop).ToLocalChecked()).FromJust() | ||
&& ConverterImpl::unwrap(val, Nan::Get(opts, Nan::New(prop).ToLocalChecked()).ToLocalChecked()) | ||
) { | ||
if (tryCatch.HasCaught()) { | ||
tryCatch.ReThrow(); | ||
} | ||
else { | ||
Nan::ThrowError(FF::newString( | ||
std::string("expected property ") | ||
+ std::string(prop) | ||
+ std::string(" to be of type ") | ||
+ std::string(ConverterImpl::getTypeName()) | ||
)); | ||
tryCatch.ReThrow(); | ||
} | ||
return true; | ||
} | ||
return false; | ||
} | ||
}; | ||
} | ||
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#endif |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,63 @@ | ||
#include <nan.h> | ||
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#ifndef __FF_ARRAY_CONVERTER_H__ | ||
#define __FF_ARRAY_CONVERTER_H__ | ||
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namespace FF { | ||
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template <class ElementConverterImpl, class ElementCastType> | ||
class ArrayConverterImpl { | ||
public: | ||
typedef std::vector<ElementCastType> Type; | ||
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static std::string getTypeName() { | ||
return std::string("array of ") + ElementConverterImpl::getTypeName(); | ||
} | ||
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static bool assertType(v8::Local<v8::Value> jsVal) { | ||
return jsVal->IsArray(); | ||
} | ||
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static Type unwrapUnchecked(v8::Local<v8::Value> jsVal) { | ||
Type vec; | ||
unwrap(&vec, jsVal); | ||
return vec; | ||
} | ||
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static bool unwrap(Type* vec, v8::Local<v8::Value> jsVal) { | ||
if (!jsVal->IsArray()) { | ||
return true; | ||
} | ||
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v8::Local<v8::Array> jsArr = v8::Local<v8::Array>::Cast(jsVal); | ||
for (int i = 0; i < (int)jsArr->Length(); i++) { | ||
if (!ElementConverterImpl::assertType(Nan::Get(jsArr, i).ToLocalChecked())) { | ||
Nan::ThrowError( | ||
Nan::New( | ||
std::string("expected array element at index ") | ||
+ std::to_string(i) | ||
+ std::string(" to be of type ") | ||
+ std::string(ElementConverterImpl::getTypeName()) | ||
).ToLocalChecked() | ||
); | ||
return true; | ||
} | ||
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ElementCastType obj = (ElementCastType)ElementConverterImpl::unwrapUnchecked(Nan::Get(jsArr, i).ToLocalChecked()); | ||
vec->push_back(obj); | ||
} | ||
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return false; | ||
} | ||
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static v8::Local<v8::Value> wrap(Type vec) { | ||
v8::Local<v8::Array> jsArr = Nan::New<v8::Array>(vec.size()); | ||
for (int i = 0; i < (int)jsArr->Length(); i++) { | ||
Nan::Set(jsArr, i, ElementConverterImpl::wrap(vec.at(i))); | ||
} | ||
return jsArr; | ||
} | ||
}; | ||
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} | ||
#endif |
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