added utils library

binding.gyp

@@ -3,6 +3,7 @@
     {
       "target_name": "nodelua",
       "sources": [ 
+      	"src/utils.cc",
         "src/luaobject.cc",
 	"src/nodelua.cc"
 	],

src/utils.cc

@@ -0,0 +1,31 @@
+#include "utils.h"
+
+char * get_str(v8::Local<v8::Value> val){
+  if(!val->IsString()){
+    v8::ThrowException(v8::Exception::TypeError(v8::String::New("Argument Must Be A String")));
+    return NULL;
+  }
+
+  v8::String::AsciiValue val_string(val);
+  char * val_char_ptr = (char *) malloc(val_string.length() + 1);
+  strcpy(val_char_ptr, *val_string);
+  return val_char_ptr;
+}
+
+
+v8::Local<v8::Value> lua_to_value(lua_State* L, int i){
+  switch(lua_type(L, i)){
+  case LUA_TBOOLEAN:
+    return v8::Local<v8::Boolean>::New(v8::Boolean::New((int)lua_toboolean(L, i)));
+    break;
+  case LUA_TNUMBER:
+    return v8::Local<v8::Number>::New(v8::Number::New(lua_tonumber(L, i)));
+    break;
+  case LUA_TSTRING:
+    return v8::String::New((char *)lua_tostring(L, i));
+    break;
+  default:
+    return v8::Local<v8::Primitive>::New(v8::Undefined());
+    break;
+  }
+}

src/utils.h

@@ -0,0 +1,15 @@
+#ifndef LUAUTILS_H
+#define LUAUTILS_H
+
+#include <node.h>
+
+extern "C"{
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+}
+
+char * get_str(v8::Local<v8::Value> val);
+v8::Local<v8::Value> lua_to_value(lua_State* L, int);
+
+#endif