gnu/dist/texinfo/intl/printf-parse.h

   1 /*      $NetBSD$        */
   2
   3 /* Parse printf format string.
   4    Copyright (C) 1999, 2002-2003 Free Software Foundation, Inc.
   5
   6    This program is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU Library General Public License as published
   8    by the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19    USA.  */
  20
  21 #ifndef _PRINTF_PARSE_H
  22 #define _PRINTF_PARSE_H
  23
  24 #include "printf-args.h"
  25
  26
  27 /* Flags */
  28 #define FLAG_GROUP       1      /* ' flag */
  29 #define FLAG_LEFT        2      /* - flag */
  30 #define FLAG_SHOWSIGN    4      /* + flag */
  31 #define FLAG_SPACE       8      /* space flag */
  32 #define FLAG_ALT        16      /* # flag */
  33 #define FLAG_ZERO       32
  34
  35 /* arg_index value indicating that no argument is consumed.  */
  36 #define ARG_NONE        (~(size_t)0)
  37
  38 /* A parsed directive.  */
  39 typedef struct
  40 {
  41   const char* dir_start;
  42   const char* dir_end;
  43   int flags;
  44   const char* width_start;
  45   const char* width_end;
  46   size_t width_arg_index;
  47   const char* precision_start;
  48   const char* precision_end;
  49   size_t precision_arg_index;
  50   char conversion; /* d i o u x X f e E g G c s p n U % but not C S */
  51   size_t arg_index;
  52 }
  53 char_directive;
  54
  55 /* A parsed format string.  */
  56 typedef struct
  57 {
  58   size_t count;
  59   char_directive *dir;
  60   size_t max_width_length;
  61   size_t max_precision_length;
  62 }
  63 char_directives;
  64
  65
  66 /* Parses the format string.  Fills in the number N of directives, and fills
  67    in directives[0], ..., directives[N-1], and sets directives[N].dir_start
  68    to the end of the format string.  Also fills in the arg_type fields of the
  69    arguments and the needed count of arguments.  */
  70 #ifdef STATIC
  71 STATIC
  72 #else
  73 extern
  74 #endif
  75 int printf_parse (const char *format, char_directives *d, arguments *a);
  76
  77 #endif /* _PRINTF_PARSE_H */