dom/fetch/BodyExtractor.h

   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
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_BodyExtractor_h
   8 #define mozilla_dom_BodyExtractor_h
   9
  10 #include "jsapi.h"
  11 #include "nsString.h"
  12
  13 class nsIInputStream;
  14 class nsIGlobalObject;
  15
  16 namespace mozilla {
  17 namespace dom {
  18
  19 class BodyExtractorBase {
  20  public:
  21   virtual nsresult GetAsStream(nsIInputStream** aResult,
  22                                uint64_t* aContentLength,
  23                                nsACString& aContentTypeWithCharset,
  24                                nsACString& aCharset) const = 0;
  25 };
  26
  27 // The implementation versions of this template are:
  28 // ArrayBuffer, ArrayBufferView, Blob, FormData,
  29 // URLSearchParams, nsAString, Document, nsIInputStream.
  30 template <typename Type>
  31 class BodyExtractor final : public BodyExtractorBase {
  32   Type* mBody;
  33
  34  public:
  35   explicit BodyExtractor(Type* aBody) : mBody(aBody) {}
  36
  37   nsresult GetAsStream(nsIInputStream** aResult, uint64_t* aContentLength,
  38                        nsACString& aContentTypeWithCharset,
  39                        nsACString& aCharset) const override;
  40 };
  41
  42 }  // namespace dom
  43 }  // namespace mozilla
  44
  45 #endif  // mozilla_dom_BodyExtractor_h