parser/html/nsHtml5ByteReadable.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef nsHtml5ByteReadable_h
   6 #define nsHtml5ByteReadable_h
   7
   8 /**
   9  * A weak reference wrapper around a byte array.
  10  */
  11 class nsHtml5ByteReadable {
  12  public:
  13   nsHtml5ByteReadable(const uint8_t* aCurrent, const uint8_t* aEnd)
  14       : current(aCurrent), end(aEnd) {}
  15
  16   inline int32_t read() {
  17     if (current < end) {
  18       return *(current++);
  19     } else {
  20       return -1;
  21     }
  22   }
  23
  24  private:
  25   const uint8_t* current;
  26   const uint8_t* end;
  27 };
  28 #endif