141 lines
3.7 KiB
C
141 lines
3.7 KiB
C
/* chardefs.h -- Character definitions for readline. */
|
|
|
|
/* Copyright (C) 1994 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU Readline Library, a library for
|
|
reading lines of text with interactive input and history editing.
|
|
|
|
The GNU Readline Library is free software; you can redistribute it
|
|
and/or modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 1, or
|
|
(at your option) any later version.
|
|
|
|
The GNU Readline Library 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 General Public License for more details.
|
|
|
|
The GNU General Public License is often shipped with GNU software, and
|
|
is generally kept in a file called COPYING or LICENSE. If you do not
|
|
have a copy of the license, write to the Free Software Foundation,
|
|
675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#ifndef _CHARDEFS_H_
|
|
#define _CHARDEFS_H_
|
|
|
|
#include <ctype.h>
|
|
|
|
#if defined (HAVE_CONFIG_H)
|
|
# if defined (HAVE_STRING_H)
|
|
# include <string.h>
|
|
# else
|
|
# include <strings.h>
|
|
# endif /* HAVE_STRING_H */
|
|
#else
|
|
# include <string.h>
|
|
#endif /* !HAVE_CONFIG_H */
|
|
|
|
#ifndef whitespace
|
|
#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
|
|
#endif
|
|
|
|
#ifdef CTRL
|
|
#undef CTRL
|
|
#endif
|
|
|
|
/* Some character stuff. */
|
|
#define control_character_threshold 0x020 /* Smaller than this is control. */
|
|
#define control_character_mask 0x1f /* 0x20 - 1 */
|
|
#define meta_character_threshold 0x07f /* Larger than this is Meta. */
|
|
#define control_character_bit 0x40 /* 0x000000, must be off. */
|
|
#define meta_character_bit 0x080 /* x0000000, must be on. */
|
|
#define largest_char 255 /* Largest character value. */
|
|
|
|
#define CTRL_CHAR(c) ((c) < control_character_threshold && (c) >= 0)
|
|
#define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
|
|
|
|
#define CTRL(c) ((c) & control_character_mask)
|
|
#define META(c) ((c) | meta_character_bit)
|
|
|
|
#define UNMETA(c) ((c) & (~meta_character_bit))
|
|
#define UNCTRL(c) _rl_to_upper(((c)|control_character_bit))
|
|
|
|
/* Old versions
|
|
#define _rl_lowercase_p(c) (((c) > ('a' - 1) && (c) < ('z' + 1)))
|
|
#define _rl_uppercase_p(c) (((c) > ('A' - 1) && (c) < ('Z' + 1)))
|
|
#define _rl_digit_p(c) ((c) >= '0' && (c) <= '9')
|
|
*/
|
|
|
|
#define _rl_lowercase_p(c) (islower(c))
|
|
#define _rl_uppercase_p(c) (isupper(c))
|
|
#define _rl_digit_p(x) (isdigit (x))
|
|
|
|
#define _rl_pure_alphabetic(c) (_rl_lowercase_p(c) || _rl_uppercase_p(c))
|
|
#define ALPHABETIC(c) (_rl_lowercase_p(c) || _rl_uppercase_p(c) || _rl_digit_p(c))
|
|
|
|
/* Old versions
|
|
# define _rl_to_upper(c) (_rl_lowercase_p(c) ? ((c) - 32) : (c))
|
|
# define _rl_to_lower(c) (_rl_uppercase_p(c) ? ((c) + 32) : (c))
|
|
*/
|
|
|
|
#ifndef _rl_to_upper
|
|
# define _rl_to_upper(c) (islower(c) ? toupper(c) : (c))
|
|
# define _rl_to_lower(c) (isupper(c) ? tolower(c) : (c))
|
|
#endif
|
|
|
|
#ifndef _rl_digit_value
|
|
#define _rl_digit_value(x) ((x) - '0')
|
|
#endif
|
|
|
|
#ifndef NEWLINE
|
|
#define NEWLINE '\n'
|
|
#endif
|
|
|
|
#ifndef RETURN
|
|
#define RETURN CTRL('M')
|
|
#endif
|
|
|
|
#ifndef RUBOUT
|
|
#define RUBOUT 0x7f
|
|
#endif
|
|
|
|
#ifndef TAB
|
|
#define TAB '\t'
|
|
#endif
|
|
|
|
#ifdef ABORT_CHAR
|
|
#undef ABORT_CHAR
|
|
#endif
|
|
#define ABORT_CHAR CTRL('G')
|
|
|
|
#ifdef PAGE
|
|
#undef PAGE
|
|
#endif
|
|
#define PAGE CTRL('L')
|
|
|
|
#ifdef SPACE
|
|
#undef SPACE
|
|
#endif
|
|
#define SPACE ' ' /* XXX - was 0x20 */
|
|
|
|
#ifdef ESC
|
|
#undef ESC
|
|
#endif
|
|
#define ESC CTRL('[')
|
|
|
|
#ifndef ISOCTAL
|
|
#define ISOCTAL(c) ((c) >= '0' && (c) <= '7')
|
|
#endif
|
|
#define OCTVALUE(c) ((c) - '0')
|
|
|
|
#ifndef isxdigit
|
|
# define isxdigit(c) (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
|
|
#endif
|
|
|
|
#define HEXVALUE(c) \
|
|
(((c) >= 'a' && (c) <= 'f') \
|
|
? (c)-'a'+10 \
|
|
: (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')
|
|
|
|
#endif /* _CHARDEFS_H_ */
|