Google V8 Engine file handle

Handle<Value> file_get_contents(const Arguments& args){
 
    String::Utf8Value ag(args[0]);
    string file = string(*ag);
    string response="";
    ifstream f;
    f.open(file.c_str(), ios::in | ios::binary);
    if( f.fail() ){
    }
    else{
        while(!f.eof()){
            f >> response;
        }
 
    }
    f.close();
    return String::New(response.c_str());
}

Handle<Value> file_put_contents(const Arguments& args){
    if( args.Length()!=2 ){
        cerr << "Arguments : path , data";
        return Boolean::New(false);
    }
    String::Utf8Value ag(args[0]);
    String::Utf8Value d(args[1]);
    string path = string(*ag);
    string data = string(*d);
    ofstream f;
    f.open(path.c_str(), ios::out | ios::binary);
    if(f.is_open()){
        f << data ;
        f.close();
    }
    else{
        cerr << "Can not open file "<< path;
        return Boolean::New(false);
    }
    return Boolean::New(true);
}
 

Handle<ObjectTemplate> createBasicTemplate(){
    Local<ObjectTemplate> t = ObjectTemplate::New();
    t->Set("file_get_contents",FunctionTemplate::New(file_get_contents));
    t->Set("file_put_contents",FunctionTemplate::New(file_put_contents));
 
    return t;
}

#include <v8.h>
#include <string.h>
#include <iostream>
#include <fstream>
using namespace std;
using namespace v8
v8::Handle<v8::String> ReadFile(const char* name);
int main (){
    Handle<ObjectTemplate> global;
    HandleScope handle_scope;
    Handle<Context> context;
 
    global = createBasicTemplate();
 
    context= Context::New(NULL,global);
    Context::Scope context_scope(context);
    Handle<v8::String> source = ReadFile("file.js");
    Handle<Script> script = Script::Compile(source);
    Handle<Value> result = script->Run();
   // context.Dispose();
    String::Utf8Value str(result);
    script = Script::Compile(String::New("result"));
    result = script->Run();
    cout << *String::Utf8Value(result);
    return 0;
}
 

file_put_contents('t.txt',"測試寫入檔案");
var result=file_get_contents('t.txt');