Implement File API

src/Utils.cpp

Index: src/Utils.cpp
===================================================================
new file mode 100644
--- /dev/null
+++ b/src/Utils.cpp
@@ -0,0 +1,27 @@
+#include <sstream>
+#include <string>
+
+#include "Utils.h"
+
+using namespace AdblockPlus;
+
+std::string Utils::Slurp(std::istream& stream)
+{
+  std::stringstream content;
+  content << stream.rdbuf();
+  return content.str();
+}
+
+std::string Utils::FromV8String(v8::Handle<v8::Value> value)
+{
+  v8::String::Utf8Value stringValue(value);
+  if (stringValue.length())
+    return std::string(*stringValue, stringValue.length());
+  else
+    return std::string();
+}
+
+v8::Local<v8::String> Utils::ToV8String(const std::string& str)
+{
+  return v8::String::New(str.c_str(), str.length());
+}