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/**
@file      posix.h
@brief     Get POSIX character class ranges and regex translations
@author    Robert van Engelen - engelen@genivia.com
@copyright (c) 2016-2020, Robert van Engelen, Genivia Inc. All rights reserved.
@copyright (c) BSD-3 License - see LICENSE.txt
*/

#ifndef REFLEX_POSIX_H
#define REFLEX_POSIX_H

#include <cstring>
#include <map>

namespace reflex {

namespace Posix {

/// Tables of character ranges [lo,hi] for each character class
class Tables {
 public:
  struct lt {
    bool operator()(const char *a, const char *b) const { return std::strcmp(a, b) < 0; }
  };
  typedef std::map<const char*,const int*,lt> Range;
  Tables();
  Range range;
};

/// Return table entry pointer to [lo,hi] range of characters for the given POSIX class name, or return NULL
const int * range(const char *);

} // namespace Posix

} // namesapce reflex

#endif
