encoding_group.hxx

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#ifndef PQXX_H_ENCODING_GROUP
#define PQXX_H_ENCODING_GROUP

#include <cstddef>

namespace pqxx::internal
{
// Types of encodings supported by PostgreSQL, see
// https://www.postgresql.org/docs/current/static/multibyte.html#CHARSET-TABLE
enum class encoding_group
{
  // Handles all single-byte fixed-width encodings
  MONOBYTE,

  // Multibyte encodings.
  // Many of these can embed ASCII-like bytes inside multibyte characters,
  // notably Big5, SJIS, SHIFT_JIS_2004, GP18030, GBK, JOHAB, UHC.
  BIG5,
  EUC_CN,
  EUC_JP,
  EUC_KR,
  EUC_TW,
  GB18030,
  GBK,
  JOHAB,
  MULE_INTERNAL,
  SJIS,
  UHC,
  UTF8,
};


// TODO: Get rid of these.  Specialise at higher level.

using glyph_scanner_func =
  std::size_t(char const buffer[], std::size_t buffer_len, std::size_t start);



using char_finder_func =
  std::size_t(std::string_view haystack, std::size_t start);
} // namespace pqxx::internal

#endif