1 /* $Header: /p/tcsh/cvsroot/tcsh/sh.char.h,v 3.32 2006/09/26 16:44:37 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 # ifdef WIDE_STRINGS 41 # ifdef HAVE_WCTYPE_H 42 # include <wctype.h> 43 # else 44 # include <wchar.h> 45 # endif 46 # endif 47 #endif 48 49 typedef unsigned char tcshuc; 50 #ifdef _MINIX 51 # undef _SP 52 #endif /* _MINIX */ 53 extern unsigned short _cmap[]; 54 #if defined(DSPMBYTE) 55 # define CHECK_MBYTEVAR STRdspmbyte 56 #endif 57 extern unsigned short _cmap_c[]; 58 extern unsigned short _cmap_mbyte[]; 59 extern short _enable_mbdisp; 60 extern unsigned short _mbmap[]; 61 extern unsigned short _mbmap_euc[]; 62 extern unsigned short _mbmap_sjis[]; 63 extern unsigned short _mbmap_big5[]; 64 extern unsigned short _mbmap_utf8[]; 65 /* VARIABLE Check str */ 66 /* same compiler require #define even not define DSPMBYTE */ 67 #define _MB1 0x0001 68 #define _MB2 0x0002 69 70 #ifndef NLS 71 extern tcshuc _cmap_lower[], _cmap_upper[]; 72 73 #endif 74 75 #define _QF 0x0001 /* '" (Forward quotes) */ 76 #define _QB 0x0002 /* ` (Backquote) */ 77 #define _SP 0x0004 /* space and tab */ 78 #define _NL 0x0008 /* \n */ 79 #define _META 0x0010 /* lex meta characters, sp #'`";&<>()|\t\n */ 80 #define _GLOB 0x0020 /* glob characters, *?{[` */ 81 #define _ESC 0x0040 /* \ */ 82 #define _DOL 0x0080 /* $ */ 83 #define _DIG 0x0100 /* 0-9 */ 84 #define _LET 0x0200 /* a-z, A-Z, _, or locale-specific */ 85 #define _UP 0x0400 /* A-Z, or locale-specific */ 86 #define _DOW 0x0800 /* a-z, or locale-specific */ 87 #define _XD 0x1000 /* 0-9, a-f, A-F */ 88 #define _CMD 0x2000 /* lex end of command chars, ;&(|` */ 89 #define _CTR 0x4000 /* control */ 90 #define _PUN 0x8000 /* punctuation */ 91 92 #ifdef IS_ASCII 93 # define ASC(ch) (ch) 94 # define CTL_ESC(ch) (ch) 95 #else 96 # ifdef _OSD_POSIX 97 /* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */ 98 # include <ascii_ebcdic.h> 99 # else 100 /* "OS/390 USS" is a POSIX on a main frame using an IBM1047 char set */ 101 # endif 102 extern unsigned short _toascii[256]; 103 extern unsigned short _toebcdic[256]; 104 105 /* mainly for comparisons if (ASC(ch)=='\177')... */ 106 # define ASC(ch) _toascii[(tcshuc)(ch)] 107 108 /* Literal escapes ('\010') must be mapped to EBCDIC, 109 * for C-Escapes ('\b'), the compiler already does it. 110 */ 111 # define CTL_ESC(ch) _toebcdic[(tcshuc)(ch)] 112 #endif /*IS_ASCII*/ 113 114 #ifdef WIDE_STRINGS 115 # define cmap(c, bits) \ 116 (((c) < 0) ? 0 : \ 117 ((c) & QUOTE) || (c) >= 0x0080 ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits))) 118 #elif defined(SHORT_STRINGS) && defined(KANJI) 119 # define cmap(c, bits) \ 120 (((c) < 0) ? 0 : \ 121 (((c) & QUOTE) || ((ASC(c) & 0x80) && adrof(STRnokanji))) ? \ 122 0 : (_cmap[(tcshuc)ASC(c)] & (bits))) 123 #else /* SHORT_STRINGS && KANJI */ 124 # define cmap(c, bits) \ 125 (((c) < 0) ? 0 : \ 126 ((c) & QUOTE) ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits))) 127 #endif /* SHORT_STRINGS && KANJI */ 128 129 #define isglob(c) cmap((c), _GLOB) 130 #define isspc(c) cmap((c), _SP) 131 #define ismeta(c) cmap((c), _META) 132 #define iscmdmeta(c) cmap((c), _CMD) 133 #ifdef WIDE_STRINGS 134 #define letter(c) (((c) & QUOTE) ? 0 : \ 135 (iswalpha((tcshuc) (c)) || (c) == '_')) 136 #define alnum(c) (((c) & QUOTE) ? 0 : \ 137 (iswalnum((tcshuc) (c)) || (c) == '_')) 138 #else 139 #define letter(c) (((Char)(c) & QUOTE) ? 0 : \ 140 (isalpha((tcshuc) (c)) || (c) == '_')) 141 #define alnum(c) (((Char)(c) & QUOTE) ? 0 : \ 142 (isalnum((tcshuc) (c)) || (c) == '_')) 143 #endif 144 145 #if defined(DSPMBYTE) 146 # define IsmbyteU(c) (Ismbyte1((Char)(c))||(Ismbyte2((Char)(c))&&((c)&0200))) 147 #endif 148 149 #ifdef NLS 150 # ifdef WIDE_STRINGS 151 # define Isspace(c) (((c) & QUOTE) ? 0 : iswspace(c)) 152 # define Isdigit(c) (((c) & QUOTE) ? 0 : iswdigit(c)) 153 # define Isalpha(c) (((c) & QUOTE) ? 0 : iswalpha(c)) 154 # define Islower(c) (((c) & QUOTE) ? 0 : iswlower(c)) 155 # define Isupper(c) (((c) & QUOTE) ? 0 : iswupper(c)) 156 # define Tolower(c) (((c) & QUOTE) ? 0 : (wchar_t)towlower(c)) 157 # define Toupper(c) (((c) & QUOTE) ? 0 : (wchar_t)towupper(c)) 158 # define Isxdigit(c) (((c) & QUOTE) ? 0 : iswxdigit(c)) 159 # define Isalnum(c) (((c) & QUOTE) ? 0 : iswalnum(c)) 160 # define Iscntrl(c) (((c) & QUOTE) ? 0 : iswcntrl(c)) 161 # define Isprint(c) (((c) & QUOTE) ? 0 : iswprint(c)) 162 # define Ispunct(c) (((c) & QUOTE) ? 0 : iswpunct(c)) 163 # elif defined (NeXT) 164 # define Isspace(c) (((Char)(c) & QUOTE) ? 0 : NXIsSpace((unsigned) (c))) 165 # define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : NXIsDigit((unsigned) (c))) 166 # define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : NXIsAlpha((unsigned) (c))) 167 # define Islower(c) (((Char)(c) & QUOTE) ? 0 : NXIsLower((unsigned) (c))) 168 # define Isupper(c) (((Char)(c) & QUOTE) ? 0 : NXIsUpper((unsigned) (c))) 169 # define Tolower(c) (((Char)(c) & QUOTE) ? 0 : NXToLower((unsigned) (c))) 170 # define Toupper(c) (((Char)(c) & QUOTE) ? 0 : NXToUpper((unsigned) (c))) 171 # define Isxdigit(c) (((Char)(c) & QUOTE) ? 0 : NXIsXDigit((unsigned) (c))) 172 #if defined(DSPMBYTE) 173 # define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c))) 174 # define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 175 # define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c))) 176 # define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 177 #else 178 # define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : NXIsAlNum((unsigned) (c))) 179 # define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c))) 180 # define Isprint(c) (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c))) 181 #endif /* !defined(DSPMBYTE) */ 182 # define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : NXIsPunct((unsigned) (c))) 183 # else /* !NeXT */ 184 # ifndef WINNT_NATIVE 185 # define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace((tcshuc) (c))) 186 # define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit((tcshuc) (c))) 187 # define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha((tcshuc) (c))) 188 # define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower((tcshuc) (c))) 189 # define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper((tcshuc) (c))) 190 # define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower((tcshuc) (c))) 191 # define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper((tcshuc) (c))) 192 # define Isxdigit(c) (((Char)(c) & QUOTE) ? 0 : isxdigit((tcshuc) (c))) 193 # define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum((tcshuc) (c))) 194 #if defined(DSPMBYTE) 195 # define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c))) 196 # define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 197 #else 198 # define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c))) 199 #endif /* !defined(DSPMBYTE) */ 200 # if SOLARIS2 == 24 201 /* 202 * From <casper@fwi.uva.nl> Casper Dik: 203 * In Solaris 2.4, isprint('\t') returns true after setlocal(LC_ALL,""). 204 * This breaks commandline editing when you include tabs. 205 * (This is in the en_US locale). 206 */ 207 #if defined(DSPMBYTE) 208 # define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : \ 209 (isprint((tcshuc) (c)) && (c) != '\t')) 210 #else 211 # define Isprint(c) (((Char)(c) & QUOTE) ? 0 : \ 212 (isprint((tcshuc) (c)) && (c) != '\t')) 213 #endif /* !defined(DSPMBYTE) */ 214 # else 215 #if defined(DSPMBYTE) 216 # define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c))) 217 #else 218 # define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c))) 219 #endif /* !defined(DSPMBYTE) */ 220 # endif /* SOLARIS2 == 24 */ 221 #if defined(DSPMBYTE) 222 # define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 223 #endif /* !defined(DSPMBYTE) */ 224 # define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct((tcshuc) (c))) 225 # else /* WINNT_NATIVE */ 226 # define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace( oem_it((tcshuc)(c)))) 227 # define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit( oem_it((tcshuc)(c)))) 228 # define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha( oem_it((tcshuc)(c)))) 229 # define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower( oem_it((tcshuc)(c)))) 230 # define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper( oem_it((tcshuc)(c)))) 231 # define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower( oem_it((tcshuc)(c)))) 232 # define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper( oem_it((tcshuc)(c)))) 233 # define Isxdigit(c)(((Char)(c) & QUOTE) ? 0 : isxdigit(oem_it((tcshuc)(c)))) 234 # define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum( oem_it((tcshuc)(c)))) 235 # define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct( oem_it((tcshuc)(c)))) 236 #if defined(DSPMBYTE) 237 # define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c)))) 238 # define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 239 # define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c)))) 240 # define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 241 #else 242 # define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c)))) 243 # define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c)))) 244 #endif /* !defined(DSPMBYTE) */ 245 # endif /* WINNT_NATIVE */ 246 # endif /* !NeXT */ 247 #else /* !NLS */ 248 # define Isspace(c) cmap((c), _SP|_NL) 249 # define Isdigit(c) cmap((c), _DIG) 250 # define Isalpha(c) (cmap((c),_LET) && !(((c) & META) && AsciiOnly)) 251 # define Islower(c) (cmap((c),_DOW) && !(((c) & META) && AsciiOnly)) 252 # define Isupper(c) (cmap((c), _UP) && !(((c) & META) && AsciiOnly)) 253 # define Tolower(c) (_cmap_lower[ASC(c)]) 254 # define Toupper(c) (_cmap_upper[ASC(c)]) 255 # define Isxdigit(c) cmap((c), _XD) 256 # define Isalnum(c) (cmap((c), _DIG|_LET) && !(((Char)(c) & META) && AsciiOnly)) 257 #if defined(DSPMBYTE) 258 # define IscntrlM(c) (cmap((c),_CTR) && !(((c) & META) && AsciiOnly)) 259 # define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 260 # define IsprintM(c) (!cmap((c),_CTR) && !(((c) & META) && AsciiOnly)) 261 # define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 262 #else 263 # define Iscntrl(c) (cmap((c),_CTR) && !(((c) & META) && AsciiOnly)) 264 # define Isprint(c) (!cmap((c),_CTR) && !(((c) & META) && AsciiOnly)) 265 #endif /* !defined(DSPMBYTE) */ 266 # define Ispunct(c) (cmap((c),_PUN) && !(((c) & META) && AsciiOnly)) 267 268 #endif /* !NLS */ 269 270 #if defined(DSPMBYTE) 271 # define Ismbyte1(c) ((_mbmap[(c) & 0377] & _MB1) ? 1 : 0) 272 # define Ismbyte2(c) ((_mbmap[(c) & 0377] & _MB2) ? 1 : 0) 273 #endif 274 275 #endif /* _h_sh_char */ 276