tor-browser

The Tor Browser
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TextEncoder.h (2079B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
      5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_textencoder_h_
      8 #define mozilla_dom_textencoder_h_
      9 
     10 #include "mozilla/Encoding.h"
     11 #include "mozilla/dom/NonRefcountedDOMObject.h"
     12 #include "mozilla/dom/TextEncoderBinding.h"
     13 #include "mozilla/dom/TypedArray.h"
     14 
     15 namespace mozilla {
     16 class ErrorResult;
     17 
     18 namespace dom {
     19 
     20 class TextEncoder final : public NonRefcountedDOMObject {
     21 public:
     22  // The WebIDL constructor.
     23 
     24  static UniquePtr<TextEncoder> Constructor(const GlobalObject& aGlobal) {
     25    return MakeUnique<TextEncoder>();
     26  }
     27 
     28  TextEncoder() = default;
     29 
     30  virtual ~TextEncoder() = default;
     31 
     32  bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
     33                  JS::MutableHandle<JSObject*> aReflector) {
     34    return TextEncoder_Binding::Wrap(aCx, this, aGivenProto, aReflector);
     35  }
     36 
     37 public:
     38  /**
     39   * Return the encoding name.
     40   *
     41   * @param aEncoding, current encoding.
     42   */
     43  void GetEncoding(nsACString& aEncoding);
     44 
     45  /**
     46   * Encodes incoming code units to utf-8.
     47   *
     48   * @param aCx        Javascript context.
     49   * @param aObj       the wrapper of the TextEncoder
     50   * @param aString    already-encoded utf-8 code units to be returned, via
     51   *                   UTF8String.
     52   * @return JSObject* The Uint8Array wrapped in a JS object.  Returned via
     53   *                   the aRetval out param.
     54   */
     55  void Encode(JSContext* aCx, JS::Handle<JSObject*> aObj,
     56              const nsACString& aUtf8String,
     57              JS::MutableHandle<JSObject*> aRetval, ErrorResult& aRv);
     58 
     59  void EncodeInto(JSContext* aCx, JS::Handle<JSString*> aSrc,
     60                  const Uint8Array& aDst, TextEncoderEncodeIntoResult& aResult,
     61                  OOMReporter& aError);
     62 };
     63 
     64 }  // namespace dom
     65 }  // namespace mozilla
     66 
     67 #endif  // mozilla_dom_textencoder_h_