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 #include "prtypes.h"
   9
  10 /**
  11  * A weak reference wrapper around a byte array.
  12  */
  13 class nsHtml5ByteReadable
  14 {
  15   public:
  16
  17     nsHtml5ByteReadable(const uint8_t* current, const uint8_t* end)
  18      : current(current),
  19        end(end)
  20     {
  21     }
  22
  23     inline int32_t read() {
  24       if (current < end) {
  25         return *(current++);
  26       } else {
  27         return -1;
  28       }
  29     }
  30
  31   private:
  32     const uint8_t* current;
  33     const uint8_t* end;
  34 };
  35 #endif