/* 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 2, 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,   59 Temple Place, Suite 330, Boston, MA 02111 USA. */#ifndef _CHARDEFS_H_#define _CHARDEFS_H_#include <ctype.h>#if defined (HAVE_CONFIG_H)#  if defined (HAVE_STRING_H)#    if ! defined (STDC_HEADERS) && defined (HAVE_MEMORY_H)#      include <memory.h>#    endif#    include <string.h>#  endif /* HAVE_STRING_H */#  if defined (HAVE_STRINGS_H)#    include <strings.h>#  endif /* HAVE_STRINGS_H */#else#  include <string.h>#endif /* !HAVE_CONFIG_H */#ifndef whitespace#define whitespace(c) (((c) == ' ') || ((c) == '\t'))#endif#ifdef CTRL#  undef CTRL#endif#ifdef UNCTRL#  undef UNCTRL#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) & 0x80) == 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))#if defined STDC_HEADERS || (!defined (isascii) && !defined (HAVE_ISASCII))#  define IN_CTYPE_DOMAIN(c) 1#else#  define IN_CTYPE_DOMAIN(c) isascii(c)#endif#if !defined (isxdigit) && !defined (HAVE_ISXDIGIT)#  define isxdigit(c)   (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))#endif#define NON_NEGATIVE(c)	((unsigned char)(c) == (c))/* Some systems define these; we want our definitions. */#undef ISPRINT#define ISALNUM(c)	(IN_CTYPE_DOMAIN (c) && isalnum (c))#define ISALPHA(c)	(IN_CTYPE_DOMAIN (c) && isalpha (c))#define ISDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isdigit (c))#define ISLOWER(c)	(IN_CTYPE_DOMAIN (c) && islower (c))#define ISPRINT(c)	(IN_CTYPE_DOMAIN (c) && isprint (c))#define ISUPPER(c)	(IN_CTYPE_DOMAIN (c) && isupper (c))#define ISXDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isxdigit (c))#define _rl_lowercase_p(c)	(NON_NEGATIVE(c) && ISLOWER(c))#define _rl_uppercase_p(c)	(NON_NEGATIVE(c) && ISUPPER(c))#define _rl_digit_p(c)		((c) >= '0' && (c) <= '9')#define _rl_pure_alphabetic(c)	(NON_NEGATIVE(c) && ISALPHA(c))#define ALPHABETIC(c)		(NON_NEGATIVE(c) && ISALNUM(c))#ifndef _rl_to_upper#  define _rl_to_upper(c) (_rl_lowercase_p(c) ? toupper((unsigned char)c) : (c))#  define _rl_to_lower(c) (_rl_uppercase_p(c) ? tolower((unsigned char)c) : (c))#endif#ifndef _rl_digit_value#  define _rl_digit_value(x) ((x) - '0')#endif#ifndef _rl_isident#  define _rl_isident(c) (ISALNUM(c) || (c) == '_')#endif#ifndef ISOCTAL#  define ISOCTAL(c)	((c) >= '0' && (c) <= '7')#endif#define OCTVALUE(c)	((c) - '0')#define HEXVALUE(c) \  (((c) >= 'a' && (c) <= 'f') \  	? (c)-'a'+10 \  	: (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')#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('[')#endif  /* _CHARDEFS_H_ */