/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/dom/TextEncoder.h"

#include "mozilla/Encoding.h"

namespace mozilla {

namespace dom {

void TextEncoder::Init() {}

void TextEncoder::Encode(JSContext* aCx, JS::Handle<JSObject*> aObj,

                         const nsAString& aString,

                         JS::MutableHandle<JSObject*> aRetval,

                         ErrorResult& aRv) {

  nsAutoCString utf8;

  nsresult rv;

  const Encoding* ignored;

  Tie(rv, ignored) = UTF_8_ENCODING->Encode(aString, utf8);

  if (NS_FAILED(rv)) {

    aRv.Throw(rv);

    return;

  }

  JSAutoCompartment ac(aCx, aObj);

  JSObject* outView =

      Uint8Array::Create(aCx, utf8.Length(),

                         reinterpret_cast<const uint8_t*>(utf8.BeginReading()));

  if (!outView) {

    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);

    return;

  }

  aRetval.set(outView);

}

void TextEncoder::GetEncoding(nsAString& aEncoding) {

  aEncoding.AssignLiteral("utf-8");

}

}  // namespace dom

}  // namespace mozilla