src/pre-refer/token.h

   1 /*@
   2  * Copyright (c) 2014 - 2017 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
   3  *
   4  * Copyright (C) 1989 - 1992 Free Software Foundation, Inc.
   5  *      Written by James Clark (jjc@jclark.com)
   6  *
   7  * This is free software; you can redistribute it and/or modify it under
   8  * the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2, or (at your option) any later
  10  * version.
  11  *
  12  * This is distributed in the hope that it will be useful, but WITHOUT ANY
  13  * WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15  * for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with groff; see the file COPYING.  If not, write to the Free Software
  19  * Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA.
  20  */
  21 #ifndef _TOKEN_H
  22 #define _TOKEN_H
  23
  24 #include "config.h"
  25 #include "refer-config.h"
  26
  27 enum token_type {
  28   TOKEN_OTHER,
  29   TOKEN_UPPER,
  30   TOKEN_LOWER,
  31   TOKEN_ACCENT,
  32   TOKEN_PUNCT,
  33   TOKEN_HYPHEN,
  34   TOKEN_RANGE_SEP
  35 };
  36
  37 class token_info
  38 {
  39   token_type type;
  40   const char *sort_key;
  41   const char *other_case;
  42
  43 public:
  44   token_info();
  45   void set(token_type, const char *sk = 0, const char *oc = 0);
  46   void lower_case(const char *start, const char *end, string &result) const;
  47   void upper_case(const char *start, const char *end, string &result) const;
  48   void sortify(const char *start, const char *end, string &result) const;
  49   int sortify_non_empty(const char *start, const char *end) const;
  50   int is_upper() const;
  51   int is_lower() const;
  52   int is_accent() const;
  53   int is_other() const;
  54   int is_punct() const;
  55   int is_hyphen() const;
  56   int is_range_sep() const;
  57 };
  58
  59 inline int token_info::is_upper() const
  60 {
  61   return type == TOKEN_UPPER;
  62 }
  63
  64 inline int token_info::is_lower() const
  65 {
  66   return type == TOKEN_LOWER;
  67 }
  68
  69 inline int token_info::is_accent() const
  70 {
  71   return type == TOKEN_ACCENT;
  72 }
  73
  74 inline int token_info::is_other() const
  75 {
  76   return type == TOKEN_OTHER;
  77 }
  78
  79 inline int token_info::is_punct() const
  80 {
  81   return type == TOKEN_PUNCT;
  82 }
  83
  84 inline int token_info::is_hyphen() const
  85 {
  86   return type == TOKEN_HYPHEN;
  87 }
  88
  89 inline int token_info::is_range_sep() const
  90 {
  91   return type == TOKEN_RANGE_SEP;
  92 }
  93
  94 int get_token(const char **ptr, const char *end);
  95 const token_info *lookup_token(const char *start, const char *end);
  96
  97 #endif // _TOKEN_H
  98 // s-it2-mode