Annotation of embedaddon/readline/chardefs.h, revision 1.1
1.1 ! misho 1: /* chardefs.h -- Character definitions for readline. */
! 2:
! 3: /* Copyright (C) 1994-2009 Free Software Foundation, Inc.
! 4:
! 5: This file is part of the GNU Readline Library (Readline), a library
! 6: for reading lines of text with interactive input and history editing.
! 7:
! 8: Readline is free software: you can redistribute it and/or modify
! 9: it under the terms of the GNU General Public License as published by
! 10: the Free Software Foundation, either version 3 of the License, or
! 11: (at your option) any later version.
! 12:
! 13: Readline is distributed in the hope that it will be useful,
! 14: but WITHOUT ANY WARRANTY; without even the implied warranty of
! 15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 16: GNU General Public License for more details.
! 17:
! 18: You should have received a copy of the GNU General Public License
! 19: along with Readline. If not, see <http://www.gnu.org/licenses/>.
! 20: */
! 21:
! 22: #ifndef _CHARDEFS_H_
! 23: #define _CHARDEFS_H_
! 24:
! 25: #include <ctype.h>
! 26:
! 27: #if defined (HAVE_CONFIG_H)
! 28: # if defined (HAVE_STRING_H)
! 29: # if ! defined (STDC_HEADERS) && defined (HAVE_MEMORY_H)
! 30: # include <memory.h>
! 31: # endif
! 32: # include <string.h>
! 33: # endif /* HAVE_STRING_H */
! 34: # if defined (HAVE_STRINGS_H)
! 35: # include <strings.h>
! 36: # endif /* HAVE_STRINGS_H */
! 37: #else
! 38: # include <string.h>
! 39: #endif /* !HAVE_CONFIG_H */
! 40:
! 41: #ifndef whitespace
! 42: #define whitespace(c) (((c) == ' ') || ((c) == '\t'))
! 43: #endif
! 44:
! 45: #ifdef CTRL
! 46: # undef CTRL
! 47: #endif
! 48: #ifdef UNCTRL
! 49: # undef UNCTRL
! 50: #endif
! 51:
! 52: /* Some character stuff. */
! 53: #define control_character_threshold 0x020 /* Smaller than this is control. */
! 54: #define control_character_mask 0x1f /* 0x20 - 1 */
! 55: #define meta_character_threshold 0x07f /* Larger than this is Meta. */
! 56: #define control_character_bit 0x40 /* 0x000000, must be off. */
! 57: #define meta_character_bit 0x080 /* x0000000, must be on. */
! 58: #define largest_char 255 /* Largest character value. */
! 59:
! 60: #define CTRL_CHAR(c) ((c) < control_character_threshold && (((c) & 0x80) == 0))
! 61: #define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
! 62:
! 63: #define CTRL(c) ((c) & control_character_mask)
! 64: #define META(c) ((c) | meta_character_bit)
! 65:
! 66: #define UNMETA(c) ((c) & (~meta_character_bit))
! 67: #define UNCTRL(c) _rl_to_upper(((c)|control_character_bit))
! 68:
! 69: #if defined STDC_HEADERS || (!defined (isascii) && !defined (HAVE_ISASCII))
! 70: # define IN_CTYPE_DOMAIN(c) 1
! 71: #else
! 72: # define IN_CTYPE_DOMAIN(c) isascii(c)
! 73: #endif
! 74:
! 75: #if !defined (isxdigit) && !defined (HAVE_ISXDIGIT) && !defined (__cplusplus)
! 76: # define isxdigit(c) (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
! 77: #endif
! 78:
! 79: #if defined (CTYPE_NON_ASCII)
! 80: # define NON_NEGATIVE(c) 1
! 81: #else
! 82: # define NON_NEGATIVE(c) ((unsigned char)(c) == (c))
! 83: #endif
! 84:
! 85: /* Some systems define these; we want our definitions. */
! 86: #undef ISPRINT
! 87:
! 88: /* Beware: these only work with single-byte ASCII characters. */
! 89:
! 90: #define ISALNUM(c) (IN_CTYPE_DOMAIN (c) && isalnum (c))
! 91: #define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c))
! 92: #define ISDIGIT(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
! 93: #define ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower (c))
! 94: #define ISPRINT(c) (IN_CTYPE_DOMAIN (c) && isprint (c))
! 95: #define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
! 96: #define ISXDIGIT(c) (IN_CTYPE_DOMAIN (c) && isxdigit (c))
! 97:
! 98: #define _rl_lowercase_p(c) (NON_NEGATIVE(c) && ISLOWER(c))
! 99: #define _rl_uppercase_p(c) (NON_NEGATIVE(c) && ISUPPER(c))
! 100: #define _rl_digit_p(c) ((c) >= '0' && (c) <= '9')
! 101:
! 102: #define _rl_pure_alphabetic(c) (NON_NEGATIVE(c) && ISALPHA(c))
! 103: #define ALPHABETIC(c) (NON_NEGATIVE(c) && ISALNUM(c))
! 104:
! 105: #ifndef _rl_to_upper
! 106: # define _rl_to_upper(c) (_rl_lowercase_p(c) ? toupper((unsigned char)c) : (c))
! 107: # define _rl_to_lower(c) (_rl_uppercase_p(c) ? tolower((unsigned char)c) : (c))
! 108: #endif
! 109:
! 110: #ifndef _rl_digit_value
! 111: # define _rl_digit_value(x) ((x) - '0')
! 112: #endif
! 113:
! 114: #ifndef _rl_isident
! 115: # define _rl_isident(c) (ISALNUM(c) || (c) == '_')
! 116: #endif
! 117:
! 118: #ifndef ISOCTAL
! 119: # define ISOCTAL(c) ((c) >= '0' && (c) <= '7')
! 120: #endif
! 121: #define OCTVALUE(c) ((c) - '0')
! 122:
! 123: #define HEXVALUE(c) \
! 124: (((c) >= 'a' && (c) <= 'f') \
! 125: ? (c)-'a'+10 \
! 126: : (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')
! 127:
! 128: #ifndef NEWLINE
! 129: #define NEWLINE '\n'
! 130: #endif
! 131:
! 132: #ifndef RETURN
! 133: #define RETURN CTRL('M')
! 134: #endif
! 135:
! 136: #ifndef RUBOUT
! 137: #define RUBOUT 0x7f
! 138: #endif
! 139:
! 140: #ifndef TAB
! 141: #define TAB '\t'
! 142: #endif
! 143:
! 144: #ifdef ABORT_CHAR
! 145: #undef ABORT_CHAR
! 146: #endif
! 147: #define ABORT_CHAR CTRL('G')
! 148:
! 149: #ifdef PAGE
! 150: #undef PAGE
! 151: #endif
! 152: #define PAGE CTRL('L')
! 153:
! 154: #ifdef SPACE
! 155: #undef SPACE
! 156: #endif
! 157: #define SPACE ' ' /* XXX - was 0x20 */
! 158:
! 159: #ifdef ESC
! 160: #undef ESC
! 161: #endif
! 162: #define ESC CTRL('[')
! 163:
! 164: #endif /* _CHARDEFS_H_ */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to chardefs.h CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / readline