1/* $Header: /src/pub/tcsh/sh.char.h,v 3.26 2005/03/03 16:49:15 kim 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 * --- 22 unchanged lines hidden (view full) --- 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 SHORT_STRINGS 41# ifdef HAVE_WCTYPE_H 42# include <wctype.h> 43# else 44# include <wchar.h> 45# endif 46# endif |
47#endif 48 49typedef unsigned char tcshuc; 50#ifdef _MINIX 51# undef _SP 52#endif /* _MINIX */ 53extern unsigned short _cmap[]; 54#if defined(DSPMBYTE) |
55# define CHECK_MBYTEVAR STRdspmbyte 56#endif 57extern unsigned short _cmap_c[]; 58extern unsigned short _cmap_mbyte[]; 59extern short _enable_mbdisp; 60extern unsigned short _mbmap[]; 61extern unsigned short _mbmap_euc[]; 62extern unsigned short _mbmap_sjis[]; --- 13 unchanged lines hidden (view full) --- 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) & QUOTE) || (c) >= 0x0080 ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits))) 117#elif defined(SHORT_STRINGS) && defined(KANJI) |
118# define cmap(c, bits) \ |
119 ((((c) & QUOTE) || ((ASC(c) & 0x80) && adrof(STRnokanji))) ? \ 120 0 : (_cmap[(tcshuc)ASC(c)] & (bits))) 121#else /* SHORT_STRINGS && KANJI */ 122# define cmap(c, bits) \ 123 (((c) & QUOTE) ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits))) |
124#endif /* SHORT_STRINGS && KANJI */ 125 126#define isglob(c) cmap(c, _GLOB) 127#define isspc(c) cmap(c, _SP) 128#define ismeta(c) cmap(c, _META) 129#define iscmdmeta(c) cmap(c, _CMD) |
130#ifdef WIDE_STRINGS 131#define letter(c) (((c) & QUOTE) ? 0 : \ 132 (iswalpha((tcshuc) (c)) || (c) == '_')) 133#define alnum(c) (((c) & QUOTE) ? 0 : \ 134 (iswalnum((tcshuc) (c)) || (c) == '_')) 135#else 136#define letter(c) (((Char)(c) & QUOTE) ? 0 : \ |
137 (isalpha((tcshuc) (c)) || (c) == '_')) |
138#define alnum(c) (((Char)(c) & QUOTE) ? 0 : \ |
139 (isalnum((tcshuc) (c)) || (c) == '_')) |
140#endif |
141 142#if defined(DSPMBYTE) 143# define IsmbyteU(c) (Ismbyte1((Char)(c))||(Ismbyte2((Char)(c))&&((c)&0200))) 144#endif 145 146#ifdef NLS |
147# ifdef WIDE_STRINGS 148# define Isspace(c) (((c) & QUOTE) ? 0 : iswspace(c)) 149# define Isdigit(c) (((c) & QUOTE) ? 0 : iswdigit(c)) 150# define Isalpha(c) (((c) & QUOTE) ? 0 : iswalpha(c)) 151# define Islower(c) (((c) & QUOTE) ? 0 : iswlower(c)) 152# define Isupper(c) (((c) & QUOTE) ? 0 : iswupper(c)) 153# define Tolower(c) (((c) & QUOTE) ? 0 : (wchar_t)towlower(c)) 154# define Toupper(c) (((c) & QUOTE) ? 0 : (wchar_t)towupper(c)) 155# define Isxdigit(c) (((c) & QUOTE) ? 0 : iswxdigit(c)) 156# define Isalnum(c) (((c) & QUOTE) ? 0 : iswalnum(c)) 157# define Iscntrl(c) (((c) & QUOTE) ? 0 : iswcntrl(c)) 158# define Isprint(c) (((c) & QUOTE) ? 0 : iswprint(c)) 159# define Ispunct(c) (((c) & QUOTE) ? 0 : iswpunct(c)) 160# elif defined (NeXT) |
161# define Isspace(c) (((Char)(c) & QUOTE) ? 0 : NXIsSpace((unsigned) (c))) 162# define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : NXIsDigit((unsigned) (c))) 163# define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : NXIsAlpha((unsigned) (c))) 164# define Islower(c) (((Char)(c) & QUOTE) ? 0 : NXIsLower((unsigned) (c))) 165# define Isupper(c) (((Char)(c) & QUOTE) ? 0 : NXIsUpper((unsigned) (c))) 166# define Tolower(c) (((Char)(c) & QUOTE) ? 0 : NXToLower((unsigned) (c))) 167# define Toupper(c) (((Char)(c) & QUOTE) ? 0 : NXToUpper((unsigned) (c))) 168# define Isxdigit(c) (((Char)(c) & QUOTE) ? 0 : NXIsXDigit((unsigned) (c))) --- 73 unchanged lines hidden (view full) --- 242# endif /* WINNT_NATIVE */ 243# endif /* !NeXT */ 244#else /* !NLS */ 245# define Isspace(c) cmap(c, _SP|_NL) 246# define Isdigit(c) cmap(c, _DIG) 247# define Isalpha(c) (cmap(c,_LET) && !(((c) & META) && AsciiOnly)) 248# define Islower(c) (cmap(c,_DOW) && !(((c) & META) && AsciiOnly)) 249# define Isupper(c) (cmap(c, _UP) && !(((c) & META) && AsciiOnly)) |
250# define Tolower(c) (_cmap_lower[ASC(c)]) 251# define Toupper(c) (_cmap_upper[ASC(c)]) |
252# define Isxdigit(c) cmap(c, _XD) 253# define Isalnum(c) (cmap(c, _DIG|_LET) && !(((Char)(c) & META) && AsciiOnly)) 254#if defined(DSPMBYTE) 255# define IscntrlM(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 256# define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) ) 257# define IsprintM(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 258# define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) ) 259#else 260# define Iscntrl(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 261# define Isprint(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 262#endif /* !defined(DSPMBYTE) */ 263# define Ispunct(c) (cmap(c,_PUN) && !(((c) & META) && AsciiOnly)) 264 265#endif /* !NLS */ 266 |
267#if defined (SHORT_STRINGS) && defined (NLS) 268# define Iswcntrl(c) (((c) & QUOTE) ? 0 : iswcntrl(c)) 269# define Iswprint(c) (((c) & QUOTE) ? 0 : iswprint(c)) 270#else 271# define Iswcntrl(c) Iscntrl(c) 272# define Iswprint(c) Isprint(c) 273#endif 274 |
275#if defined(DSPMBYTE) 276# define Ismbyte1(c) ((_mbmap[(c) & 0377] & _MB1) ? 1 : 0) 277# define Ismbyte2(c) ((_mbmap[(c) & 0377] & _MB2) ? 1 : 0) 278#endif 279 280#endif /* _h_sh_char */ |