src/readval.h

   1 /* readval.h
   2  * Routines to read a prefix or number from the current input file
   3  * Copyright (C) 1991-2024 Olly Betts
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  */
  19
  20 extern int root_depr_count;
  21
  22 enum {
  23     /* Can the prefix be omitted?  If it is, read_prefix() returns NULL. */
  24     PFX_OPT = 1,
  25     /* Read a survey? */
  26     PFX_SURVEY = 2,
  27     /* Make implicit checks */
  28     PFX_SUSPECT_TYPO = 4,
  29     /* Can the deprecated "root" be used? */
  30     PFX_ALLOW_ROOT = 8,
  31     /* Warn if the read prefix contains a separator? */
  32     PFX_WARN_SEPARATOR = 16,
  33     /* Anonymous stations OK? */
  34     PFX_ANON = 32,
  35     /* Read a station? */
  36     PFX_STATION = 0
  37 };
  38
  39 prefix *read_prefix(unsigned flags);
  40
  41 // Read a sequence of NAMES characters.  Returns NULL if none.
  42 // Caller is responsible for calling osfree() on the returned value.
  43 char *read_walls_prefix(void);
  44
  45 prefix *read_walls_station(char * const walls_prefix[3], bool anon_allowed);
  46
  47 // Like read_numeric() but doesn't skipblanks() first and can be told to not
  48 // allow a sign.
  49 real read_number(bool f_optional, bool f_unsigned);
  50
  51 real read_quadrant(bool f_optional);
  52
  53 real read_numeric(bool f_optional);
  54 real read_numeric_multi(bool f_optional, bool f_quadrants, int *p_n_readings);
  55 real read_bearing_multi_or_omit(bool f_quadrants, int *p_n_readings);
  56
  57 unsigned int read_uint(void);
  58
  59 int read_int(int min_val, int max_val);
  60
  61 void read_string(string *pstr);
  62
  63 void read_date(int *py, int *pm, int *pd);
  64
  65 void read_walls_srv_date(int *py, int *pm, int *pd);