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persistent.cpp
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77 lines (67 loc) · 2.07 KB
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/*********************************************************************
* NAN - Native Abstractions for Node.js
*
* Copyright (c) 2015 NAN contributors
*
* MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
********************************************************************/
#include <nan.h>
#include <cstring> // memset()
static NanPersistent<v8::String> persistentTest1;
NAN_METHOD(Save1) {
persistentTest1.Reset(args[0].As<v8::String>());
NanReturnUndefined();
}
NAN_METHOD(Get1) {
NanReturnValue(NanNew(persistentTest1));
}
NAN_METHOD(Dispose1) {
persistentTest1.Reset();
NanReturnUndefined();
}
NAN_METHOD(ToPersistentAndBackAgain) {
NanPersistent<v8::Object> persistent(args[0].As<v8::Object>());
v8::Local<v8::Object> object = NanNew(persistent);
persistent.Reset();
memset(&persistent, -1, sizeof(persistent)); // Clobber it good.
NanReturnValue(object);
}
NAN_METHOD(PersistentToPersistent) {
NanPersistent<v8::String> persistent(args[0].As<v8::String>());
persistentTest1.Reset(persistent);
persistent.Reset();
persistentTest1.Reset();
NanReturnUndefined();
}
NAN_METHOD(CopyablePersistent) {
NanCopyablePersistentTraits<v8::String>::CopyablePersistent p;
p = persistentTest1;
NanReturnValue(p);
}
void Init (v8::Handle<v8::Object> target) {
target->Set(
NanNew<v8::String>("save1")
, NanNew<v8::FunctionTemplate>(Save1)->GetFunction()
);
target->Set(
NanNew<v8::String>("get1")
, NanNew<v8::FunctionTemplate>(Get1)->GetFunction()
);
target->Set(
NanNew<v8::String>("dispose1")
, NanNew<v8::FunctionTemplate>(Dispose1)->GetFunction()
);
target->Set(
NanNew<v8::String>("toPersistentAndBackAgain")
, NanNew<v8::FunctionTemplate>(ToPersistentAndBackAgain)->GetFunction()
);
target->Set(
NanNew<v8::String>("persistentToPersistent")
, NanNew<v8::FunctionTemplate>(PersistentToPersistent)->GetFunction()
);
target->Set(
NanNew<v8::String>("copyablePersistent")
, NanNew<v8::FunctionTemplate>(CopyablePersistent)->GetFunction()
);
}
NODE_MODULE(persistent, Init)