modules/woff2/src/variable_length.h

   1 /* Copyright 2015 Google Inc. All Rights Reserved.
   2
   3    Distributed under MIT license.
   4    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
   5 */
   6
   7 /* Helper functions for woff2 variable length types: 255UInt16 and UIntBase128 */
   8
   9 #ifndef WOFF2_VARIABLE_LENGTH_H_
  10 #define WOFF2_VARIABLE_LENGTH_H_
  11
  12 #include <inttypes.h>
  13 #include <vector>
  14 #include "./buffer.h"
  15
  16 namespace woff2 {
  17
  18 size_t Size255UShort(uint16_t value);
  19 bool Read255UShort(Buffer* buf, unsigned int* value);
  20 void Write255UShort(std::vector<uint8_t>* out, int value);
  21 void Store255UShort(int val, size_t* offset, uint8_t* dst);
  22
  23 size_t Base128Size(size_t n);
  24 bool ReadBase128(Buffer* buf, uint32_t* value);
  25 void StoreBase128(size_t len, size_t* offset, uint8_t* dst);
  26
  27 } // namespace woff2
  28
  29 #endif  // WOFF2_VARIABLE_LENGTH_H_
  30