gecko-dev/dom/encoding/TextEncoder.h

72 строки
2.1 KiB
C++

/* -*- 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/. */
#ifndef mozilla_dom_textencoder_h_
#define mozilla_dom_textencoder_h_
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/TextEncoderBinding.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/Encoding.h"
namespace mozilla {
class ErrorResult;
namespace dom {
class TextEncoder final : public NonRefcountedDOMObject {
public:
// The WebIDL constructor.
static TextEncoder* Constructor(const GlobalObject& aGlobal,
ErrorResult& aRv) {
nsAutoPtr<TextEncoder> txtEncoder(new TextEncoder());
txtEncoder->Init();
return txtEncoder.forget();
}
TextEncoder() {}
virtual ~TextEncoder() {}
bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
JS::MutableHandle<JSObject*> aReflector) {
return TextEncoder_Binding::Wrap(aCx, this, aGivenProto, aReflector);
}
protected:
void Init();
public:
/**
* Return the encoding name.
*
* @param aEncoding, current encoding.
*/
void GetEncoding(nsAString& aEncoding);
/**
* Encodes incoming utf-16 code units/ DOM string to utf-8.
*
* @param aCx Javascript context.
* @param aObj the wrapper of the TextEncoder
* @param aString utf-16 code units to be encoded.
* @return JSObject* The Uint8Array wrapped in a JS object. Returned via
* the aRetval out param.
*/
void Encode(JSContext* aCx, JS::Handle<JSObject*> aObj,
const nsAString& aString, JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv);
void EncodeInto(const nsAString& aSrc, const Uint8Array& aDst,
TextEncoderEncodeIntoResult& aResult);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_textencoder_h_