open source

2020-11-11 16:17:13 +08:00
parent 4d989f3ecb
commit bc4ca748de
2441 changed files with 623057 additions and 2 deletions
@@ -0,0 +1,56 @@
+/**
+@file			V8Util.cpp
+@brief			
+@author			James
+@version		1.0
+@date			2017_11_29
+*/
+
+#include "V8Util.h"
+
+namespace laya
+{
+    void V8Util::SET_PROTOTYPE_METHOD(v8::Local<v8::FunctionTemplate> recv, const char* name, v8::FunctionCallback callback) 
+    {
+        v8::Isolate* isolate = v8::Isolate::GetCurrent();
+        v8::HandleScope handle_scope(isolate);
+        v8::Local<v8::Signature> s = v8::Signature::New(isolate, recv);
+        v8::Local<v8::FunctionTemplate> t =
+            v8::FunctionTemplate::New(isolate, callback, v8::Local<v8::Value>(), s);
+        v8::Local<v8::String> fn_name = v8::String::NewFromUtf8(isolate, name,
+            v8::NewStringType::kInternalized).ToLocalChecked();
+        t->SetClassName(fn_name);
+        recv->PrototypeTemplate()->Set(fn_name, t);
+    }
+
+   bool V8Util::extractJSAB(v8::Local<v8::Value> jsval, char*& data, int& len)
+    {
+        v8::Local<v8::ArrayBuffer> ab;
+        if (jsval->IsArrayBufferView())
+        {
+            v8::Local<v8::ArrayBufferView> abv = v8::Local<v8::ArrayBufferView>::Cast(jsval);
+            len = abv->ByteLength();
+            ab = abv->Buffer();
+            v8::ArrayBuffer::Contents contents = ab->GetContents();
+            data = (char*)contents.Data() + abv->ByteOffset();
+        }
+        else if (jsval->IsArrayBuffer())
+        {
+            ab = v8::Local<v8::ArrayBuffer>::Cast(jsval);
+            v8::ArrayBuffer::Contents contents = ab->GetContents();
+            len = contents.ByteLength();
+            data = (char*)contents.Data();
+        }
+        else
+        {
+            data = NULL;
+            len = 0;
+            return false;
+        }
+        return true;
+    }
+}
+//------------------------------------------------------------------------------
+
+
+//-----------------------------END FILE--------------------------------