1 /* $Header: /src/pub/tcsh/sh.char.h,v 3.20 2002/07/01 20:50:21 christos Exp $ */ 2 /* 3 * sh.char.h: Table for spotting special characters quickly 4 * Makes for very obscure but efficient coding. 5 */ 6 /*- 7 * Copyright (c) 1980, 1991 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 #ifndef _h_sh_char 35 #define _h_sh_char 36 #if defined(NeXT) && defined(NLS) 37 # include <appkit/NXCType.h> 38 #else 39 # include <ctype.h> 40 #endif 41 42 typedef unsigned char tcshuc; 43 #ifdef _MINIX 44 # undef _SP 45 #endif /* _MINIX */ 46 extern unsigned short _cmap[]; 47 #if defined(DSPMBYTE) 48 extern unsigned short _mbmap[]; 49 # define CHECK_MBYTEVAR STRdspmbyte 50 #endif 51 extern unsigned short _cmap_c[]; 52 extern unsigned short _cmap_mbyte[]; 53 extern short _enable_mbdisp; 54 extern unsigned short _mbmap[]; 55 extern unsigned short _mbmap_euc[]; 56 extern unsigned short _mbmap_sjis[]; 57 extern unsigned short _mbmap_big5[]; 58 extern unsigned short _mbmap_utf8[]; 59 /* VARIABLE Check str */ 60 /* same compiler require #define even not define DSPMBYTE */ 61 #define _MB1 0x0001 62 #define _MB2 0x0002 63 64 #ifndef NLS 65 extern tcshuc _cmap_lower[], _cmap_upper[]; 66 67 #endif 68 69 #define _QF 0x0001 /* '" (Forward quotes) */ 70 #define _QB 0x0002 /* ` (Backquote) */ 71 #define _SP 0x0004 /* space and tab */ 72 #define _NL 0x0008 /* \n */ 73 #define _META 0x0010 /* lex meta characters, sp #'`";&<>()|\t\n */ 74 #define _GLOB 0x0020 /* glob characters, *?{[` */ 75 #define _ESC 0x0040 /* \ */ 76 #define _DOL 0x0080 /* $ */ 77 #define _DIG 0x0100 /* 0-9 */ 78 #define _LET 0x0200 /* a-z, A-Z, _ */ 79 #define _UP 0x0400 /* A-Z */ 80 #define _DOW 0x0800 /* a-z */ 81 #define _XD 0x1000 /* 0-9, a-f, A-F */ 82 #define _CMD 0x2000 /* lex end of command chars, ;&(|` */ 83 #define _CTR 0x4000 /* control */ 84 #define _PUN 0x8000 /* punctuation */ 85 86 #if defined(SHORT_STRINGS) && defined(KANJI) 87 # define ASC(ch) ch 88 # define CTL_ESC(ch) ch 89 # define cmap(c, bits) \ 90 ((((c) & QUOTE) || ((c & 0x80) && adrof(STRnokanji))) ? \ 91 0 : (_cmap[(tcshuc)(c)] & (bits))) 92 #else /* SHORT_STRINGS && KANJI */ 93 # ifdef IS_ASCII 94 # define ASC(ch) ch 95 # define CTL_ESC(ch) ch 96 # define cmap(c, bits) \ 97 (((c) & QUOTE) ? 0 : (_cmap[(tcshuc)(c)] & (bits))) 98 # else /* IS_ASCII */ 99 /* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */ 100 /* "OS/390 USS" is a POSIX on a main frame using an IBM1047 char set */ 101 extern unsigned short _toascii[256]; 102 extern unsigned short _toebcdic[256]; 103 104 /* mainly for comparisons if (ASC(ch)=='\177')... */ 105 # define ASC(ch) _toascii[(tcshuc)ch] 106 107 /* Literal escapes ('\010') must be mapped to EBCDIC, 108 * for C-Escapes ('\b'), the compiler already does it. 109 */ 110 # define CTL_ESC(ch) _toebcdic[(tcshuc)ch] 111 112 # define cmap(c, bits) \ 113 (((c) & QUOTE) ? 0 : (_cmap[_toascii[(tcshuc)(c)]] & (bits))) 114 # endif /* IS_ASCII */ 115 #endif /* SHORT_STRINGS && KANJI */ 116 117 #define isglob(c) cmap(c, _GLOB) 118 #define isspc(c) cmap(c, _SP) 119 #define ismeta(c) cmap(c, _META) 120 #define iscmdmeta(c) cmap(c, _CMD) 121 #define letter(c) (((Char)(c) & QUOTE) ? 0 : \ 122 (isalpha((tcshuc) (c)) || (c) == '_')) 123 #define alnum(c) (((Char)(c) & QUOTE) ? 0 : \ 124 (isalnum((tcshuc) (c)) || (c) == '_')) 125 126 #if defined(DSPMBYTE) 127 # define IsmbyteU(c) (Ismbyte1((Char)(c))||(Ismbyte2((Char)(c))&&((c)&0200))) 128 #endif 129 130 #ifdef NLS 131 # ifdef NeXT 132 # define Isspace(c) (((Char)(c) & QUOTE) ? 0 : NXIsSpace((unsigned) (c))) 133 # define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : NXIsDigit((unsigned) (c))) 134 # define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : NXIsAlpha((unsigned) (c))) 135 # define Islower(c) (((Char)(c) & QUOTE) ? 0 : NXIsLower((unsigned) (c))) 136 # define Isupper(c) (((Char)(c) & QUOTE) ? 0 : NXIsUpper((unsigned) (c))) 137 # define Tolower(c) (((Char)(c) & QUOTE) ? 0 : NXToLower((unsigned) (c))) 138 # define Toupper(c) (((Char)(c) & QUOTE) ? 0 : NXToUpper((unsigned) (c))) 139 # define Isxdigit(c) (((Char)(c) & QUOTE) ? 0 : NXIsXDigit((unsigned) (c))) 140 #if defined(DSPMBYTE) 141 # define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c))) 142 # define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 143 # define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c))) 144 # define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 145 #else 146 # define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : NXIsAlNum((unsigned) (c))) 147 # define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c))) 148 # define Isprint(c) (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c))) 149 #endif /* !defined(DSPMBYTE) */ 150 # define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : NXIsPunct((unsigned) (c))) 151 # else /* !NeXT */ 152 # ifndef WINNT_NATIVE 153 # define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace((tcshuc) (c))) 154 # define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit((tcshuc) (c))) 155 # define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha((tcshuc) (c))) 156 # define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower((tcshuc) (c))) 157 # define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper((tcshuc) (c))) 158 # define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower((tcshuc) (c))) 159 # define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper((tcshuc) (c))) 160 # define Isxdigit(c) (((Char)(c) & QUOTE) ? 0 : isxdigit((tcshuc) (c))) 161 # define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum((tcshuc) (c))) 162 #if defined(DSPMBYTE) 163 # define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c))) 164 # define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 165 #else 166 # define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c))) 167 #endif /* !defined(DSPMBYTE) */ 168 # if SOLARIS2 == 24 169 /* 170 * From <casper@fwi.uva.nl> Casper Dik: 171 * In Solaris 2.4, isprint('\t') returns true after setlocal(LC_ALL,""). 172 * This breaks commandline editing when you include tabs. 173 * (This is in the en_US locale). 174 */ 175 #if defined(DSPMBYTE) 176 # define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : \ 177 (isprint((tcshuc) (c)) && (c) != '\t')) 178 #else 179 # define Isprint(c) (((Char)(c) & QUOTE) ? 0 : \ 180 (isprint((tcshuc) (c)) && (c) != '\t')) 181 #endif /* !defined(DSPMBYTE) */ 182 # else 183 #if defined(DSPMBYTE) 184 # define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c))) 185 #else 186 # define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c))) 187 #endif /* !defined(DSPMBYTE) */ 188 # endif /* SOLARIS2 == 24 */ 189 #if defined(DSPMBYTE) 190 # define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 191 #endif /* !defined(DSPMBYTE) */ 192 # define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct((tcshuc) (c))) 193 # else /* WINNT_NATIVE */ 194 # define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace( oem_it((tcshuc)(c)))) 195 # define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit( oem_it((tcshuc)(c)))) 196 # define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha( oem_it((tcshuc)(c)))) 197 # define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower( oem_it((tcshuc)(c)))) 198 # define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper( oem_it((tcshuc)(c)))) 199 # define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower( oem_it((tcshuc)(c)))) 200 # define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper( oem_it((tcshuc)(c)))) 201 # define Isxdigit(c)(((Char)(c) & QUOTE) ? 0 : isxdigit(oem_it((tcshuc)(c)))) 202 # define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum( oem_it((tcshuc)(c)))) 203 # define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct( oem_it((tcshuc)(c)))) 204 #if defined(DSPMBYTE) 205 # define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c)))) 206 # define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 207 # define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c)))) 208 # define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 209 #else 210 # define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c)))) 211 # define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c)))) 212 #endif /* !defined(DSPMBYTE) */ 213 # endif /* WINNT_NATIVE */ 214 # endif /* !NeXT */ 215 #else /* !NLS */ 216 # define Isspace(c) cmap(c, _SP|_NL) 217 # define Isdigit(c) cmap(c, _DIG) 218 # define Isalpha(c) (cmap(c,_LET) && !(((c) & META) && AsciiOnly)) 219 # define Islower(c) (cmap(c,_DOW) && !(((c) & META) && AsciiOnly)) 220 # define Isupper(c) (cmap(c, _UP) && !(((c) & META) && AsciiOnly)) 221 # ifdef IS_ASCII 222 # define Tolower(c) (_cmap_lower[(tcshuc)(c)]) 223 # define Toupper(c) (_cmap_upper[(tcshuc)(c)]) 224 # else 225 /* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */ 226 # define Tolower(c) (_cmap_lower[_toascii[(tcshuc)(c)]]) 227 # define Toupper(c) (_cmap_upper[_toascii[(tcshuc)(c)]]) 228 # endif 229 # define Isxdigit(c) cmap(c, _XD) 230 # define Isalnum(c) (cmap(c, _DIG|_LET) && !(((Char)(c) & META) && AsciiOnly)) 231 #if defined(DSPMBYTE) 232 # define IscntrlM(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 233 # define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 234 # define IsprintM(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 235 # define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 236 #else 237 # define Iscntrl(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 238 # define Isprint(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 239 #endif /* !defined(DSPMBYTE) */ 240 # define Ispunct(c) (cmap(c,_PUN) && !(((c) & META) && AsciiOnly)) 241 242 #endif /* !NLS */ 243 244 #if defined(DSPMBYTE) 245 # define Ismbyte1(c) ((_mbmap[(c) & 0377] & _MB1) ? 1 : 0) 246 # define Ismbyte2(c) ((_mbmap[(c) & 0377] & _MB2) ? 1 : 0) 247 #endif 248 249 #endif /* _h_sh_char */ 250