lvfulong
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/**
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@file V8Util.cpp
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@brief
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@author James
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@version 1.0
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@date 2017_11_29
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*/
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#include "V8Util.h"
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namespace laya
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{
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void V8Util::SET_PROTOTYPE_METHOD(v8::Local<v8::FunctionTemplate> recv, const char* name, v8::FunctionCallback callback)
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{
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::HandleScope handle_scope(isolate);
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v8::Local<v8::Signature> s = v8::Signature::New(isolate, recv);
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v8::Local<v8::FunctionTemplate> t =
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v8::FunctionTemplate::New(isolate, callback, v8::Local<v8::Value>(), s);
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v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name,
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v8::NewStringType::kInternalized).ToLocalChecked();
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t->SetClassName(fn_name);
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recv->PrototypeTemplate()->Set(fn_name, t);
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}
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bool V8Util::extractJSAB(v8::Local<v8::Value> jsval, char*& data, int& len)
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{
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v8::Local<v8::ArrayBuffer> ab;
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if (jsval->IsArrayBufferView())
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{
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v8::Local<v8::ArrayBufferView> abv = v8::Local<v8::ArrayBufferView>::Cast(jsval);
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len = abv->ByteLength();
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ab = abv->Buffer();
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v8::ArrayBuffer::Contents contents = ab->GetContents();
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data = (char*)contents.Data() + abv->ByteOffset();
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}
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else if (jsval->IsArrayBuffer())
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{
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ab = v8::Local<v8::ArrayBuffer>::Cast(jsval);
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v8::ArrayBuffer::Contents contents = ab->GetContents();
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len = contents.ByteLength();
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data = (char*)contents.Data();
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}
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else
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{
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data = NULL;
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len = 0;
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return false;
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}
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return true;
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}
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}
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//------------------------------------------------------------------------------
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//-----------------------------END FILE--------------------------------
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