/*
   mkvmerge -- utility for splicing together matroska files
   from component media subtypes

   Distributed under the GPL v2
   see the file COPYING for details
   or visit http://www.gnu.org/copyleft/gpl.html

   Kate helper functions

   Written by ogg.k.ogg.k <ogg.k.ogg.k@googlemail.com>.
   Adapted from code by Moritz Bunkus <moritz@bunkus.org>.
*/

#pragma once

#include "common/common_pch.h"

#include "common/error.h"

#define KATE_HEADERTYPE_IDENTIFICATION 0x80

namespace mtx {
  namespace kate {
    class header_parsing_x: public exception {
    protected:
      std::string m_message;
    public:
      header_parsing_x(const std::string &message)  : m_message(message)       { }
      header_parsing_x(const boost::format &message): m_message(message.str()) { }
      virtual ~header_parsing_x() throw() { }

      virtual const char *what() const throw() {
        return m_message.c_str();
      }
    };
  }
}

struct kate_identification_header_t {
  uint8_t headertype{};
  char kate_string[7]{};

  uint8_t vmaj{};
  uint8_t vmin{};

  uint8_t nheaders{};
  uint8_t tenc{};
  uint8_t tdir{};

  uint8_t kfgshift{};

  int32_t gnum{};
  int32_t gden{};

  uint8_t language[16]{};
  uint8_t category[16]{};
};

void kate_parse_identification_header(const unsigned char *buffer, int size, kate_identification_header_t &header);
