text: /* Parse printf format string.
     Copyright (C) 1999, 2002-2003, 2005, 2007, 2010-2014 Free Software
     Foundation, Inc.
  
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU Lesser General Public License as published by
     the Free Software Foundation; either version 2, or (at your option)
     any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License along
     with this program; if not, see <http://www.gnu.org/licenses/>.  */
  
  #ifndef _PRINTF_PARSE_H
  #define _PRINTF_PARSE_H
  
  /* This file can be parametrized with the following macros:
       ENABLE_UNISTDIO    Set to 1 to enable the unistdio extensions.
       STATIC             Set to 'static' to declare the function static.  */
  
  #if HAVE_FEATURES_H
  # include <features.h> /* for __GLIBC__, __UCLIBC__ */
  #endif
  
  #include "printf-args.h"
  
  
  /* Flags */
  #define FLAG_GROUP       1      /* ' flag */
  #define FLAG_LEFT        2      /* - flag */
  #define FLAG_SHOWSIGN    4      /* + flag */
  #define FLAG_SPACE       8      /* space flag */
  #define FLAG_ALT        16      /* # flag */
  #define FLAG_ZERO       32
  #if __GLIBC__ >= 2 && !defined __UCLIBC__
  # define FLAG_LOCALIZED 64      /* I flag, uses localized digits */
  #endif
  
  /* arg_index value indicating that no argument is consumed.  */
  #define ARG_NONE        (~(size_t)0)
  
  /* xxx_directive: A parsed directive.
     xxx_directives: A parsed format string.  */
  
  /* Number of directly allocated directives (no malloc() needed).  */
  #define N_DIRECT_ALLOC_DIRECTIVES 7
  
  /* A parsed directive.  */
  typedef struct
  {
    const char* dir_start;
    const char* dir_end;
    int flags;
    const char* width_start;
    const char* width_end;
    size_t width_arg_index;
    const char* precision_start;
    const char* precision_end;
    size_t precision_arg_index;
    char conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
    size_t arg_index;
  }
  char_directive;
  
  /* A parsed format string.  */
  typedef struct
  {
    size_t count;
    char_directive *dir;
    size_t max_width_length;
    size_t max_precision_length;
    char_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
  }
  char_directives;
  
  #if ENABLE_UNISTDIO
  
  /* A parsed directive.  */
  typedef struct
  {
    const uint8_t* dir_start;
    const uint8_t* dir_end;
    int flags;
    const uint8_t* width_start;
    const uint8_t* width_end;
    size_t width_arg_index;
    const uint8_t* precision_start;
    const uint8_t* precision_end;
    size_t precision_arg_index;
    uint8_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
    size_t arg_index;
  }
  u8_directive;
  
  /* A parsed format string.  */
  typedef struct
  {
    size_t count;
    u8_directive *dir;
    size_t max_width_length;
    size_t max_precision_length;
    u8_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
  }
  u8_directives;
  
  /* A parsed directive.  */
  typedef struct
  {
    const uint16_t* dir_start;
    const uint16_t* dir_end;
    int flags;
    const uint16_t* width_start;
    const uint16_t* width_end;
    size_t width_arg_index;
    const uint16_t* precision_start;
    const uint16_t* precision_end;
    size_t precision_arg_index;
    uint16_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
    size_t arg_index;
  }
  u16_directive;
  
  /* A parsed format string.  */
  typedef struct
  {
    size_t count;
    u16_directive *dir;
    size_t max_width_length;
    size_t max_precision_length;
    u16_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
  }
  u16_directives;
  
  /* A parsed directive.  */
  typedef struct
  {
    const uint32_t* dir_start;
    const uint32_t* dir_end;
    int flags;
    const uint32_t* width_start;
    const uint32_t* width_end;
    size_t width_arg_index;
    const uint32_t* precision_start;
    const uint32_t* precision_end;
    size_t precision_arg_index;
    uint32_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
    size_t arg_index;
  }
  u32_directive;
  
  /* A parsed format string.  */
  typedef struct
  {
    size_t count;
    u32_directive *dir;
    size_t max_width_length;
    size_t max_precision_length;
    u32_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
  }
  u32_directives;
  
  #endif
  
  
  /* Parses the format string.  Fills in the number N of directives, and fills
     in directives[0], ..., directives[N-1], and sets directives[N].dir_start
     to the end of the format string.  Also fills in the arg_type fields of the
     arguments and the needed count of arguments.  */
  #if ENABLE_UNISTDIO
  extern int
         ulc_printf_parse (const char *format, char_directives *d, arguments *a);
  extern int
         u8_printf_parse (const uint8_t *format, u8_directives *d, arguments *a);
  extern int
         u16_printf_parse (const uint16_t *format, u16_directives *d,
                           arguments *a);
  extern int
         u32_printf_parse (const uint32_t *format, u32_directives *d,
                           arguments *a);
  #else
  # ifdef STATIC
  STATIC
  # else
  extern
  # endif
  int printf_parse (const char *format, char_directives *d, arguments *a);
  #endif
  
  #endif /* _PRINTF_PARSE_H */
  