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/contrib/tcsh/sh.char.h

https://bitbucket.org/freebsd/freebsd-head/
C++ Header | 313 lines | 251 code | 15 blank | 47 comment | 49 complexity | c31451599aff10e769834db71c5ccb61 MD5 | raw file
  1/* $Header: /p/tcsh/cvsroot/tcsh/sh.char.h,v 3.36 2010/05/08 00:36:02 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
 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[];
 63extern unsigned short _mbmap_big5[];
 64extern unsigned short _mbmap_utf8[];
 65/* VARIABLE Check str */
 66/* same compiler require #define even not define DSPMBYTE */
 67#undef	_MB1
 68#define _MB1	0x0001
 69#undef	_MB2
 70#define _MB2	0x0002
 71
 72#ifndef NLS
 73extern tcshuc _cmap_lower[], _cmap_upper[];
 74
 75#endif
 76
 77#ifndef __QNXNTO__
 78#undef	_QF
 79#define	_QF	0x0001		/* '" (Forward quotes) */
 80#undef	_QB
 81#define	_QB	0x0002		/* ` (Backquote) */
 82#undef	_SP
 83#define	_SP	0x0004		/* space and tab */
 84#else
 85#undef	_XD
 86#define	_XD	0x0001		/* As in <ctype.h> */
 87#undef	_UP
 88#define	_UP	0x0002		/* As in <ctype.h> */
 89#undef	_SP
 90#define	_SP	0x0004		/* As in <ctype.h> */
 91#endif
 92#undef	_NL
 93#define	_NL	0x0008		/* \n */
 94#undef	_META
 95#define	_META	0x0010		/* lex meta characters, sp #'`";&<>()|\t\n */
 96#undef	_GLOB
 97#define	_GLOB	0x0020		/* glob characters, *?{[` */
 98#undef	_ESC
 99#define	_ESC	0x0040		/* \ */
100#undef	_DOL
101#define	_DOL	0x0080		/* $ */
102#undef	_DIG
103#define	_DIG  	0x0100		/* 0-9 */
104#undef	_LET
105#define	_LET  	0x0200		/* a-z, A-Z, _, or locale-specific */
106#ifndef __QNXNTO__
107#undef	_UP
108#define	_UP   	0x0400		/* A-Z, or locale-specific */
109#else
110#undef	_QF
111#define	_QF	0x0400		/* '" (Forward quotes) */
112#endif
113#undef	_DOW
114#define	_DOW  	0x0800		/* a-z, or locale-specific */
115#ifndef __QNXNTO__
116#undef	_XD
117#define	_XD 	0x1000		/* 0-9, a-f, A-F */
118#else
119#undef	_QB
120#define	_QB	0x1000		/* 0-9, a-f, A-F */
121#endif
122#undef	_CMD
123#define	_CMD	0x2000		/* lex end of command chars, ;&(|` */
124#undef	_CTR
125#define _CTR	0x4000		/* control */
126#undef	_PUN
127#define _PUN	0x8000		/* punctuation */
128
129#ifdef IS_ASCII
130# define ASC(ch) (ch)
131# define CTL_ESC(ch) (ch)
132#else
133# ifdef _OSD_POSIX
134/* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */
135#   include <ascii_ebcdic.h>
136# else
137/* "OS/390 USS" is a POSIX on a main frame using an IBM1047 char set */
138# endif
139  extern unsigned short _toascii[256];
140  extern unsigned short _toebcdic[256];
141
142/* mainly for comparisons if (ASC(ch)=='\177')... */
143#  define ASC(ch)     _toascii[(tcshuc)(ch)]
144
145/* Literal escapes ('\010') must be mapped to EBCDIC,
146 * for C-Escapes   ('\b'), the compiler already does it.
147 */
148#  define CTL_ESC(ch) _toebcdic[(tcshuc)(ch)]
149#endif /*IS_ASCII*/
150
151#ifdef WIDE_STRINGS
152# define cmap(c, bits)	\
153    (((c) & QUOTE) || (unsigned int)(c) >= 0x0080 ? 0 : \
154	(_cmap[(tcshuc)ASC(c)] & (bits)))
155#elif defined(SHORT_STRINGS) && defined(KANJI)
156#  define cmap(c, bits)	\
157    ((((c) & QUOTE) || ((tcshuc)(ASC(c) & 0x80) && adrof(STRnokanji))) ? \
158	0 : (_cmap[(tcshuc)ASC(c)] & (bits)))
159#else /* SHORT_STRINGS && KANJI */
160# define cmap(c, bits)	\
161    (((c) & QUOTE) ? 0 : (_cmap[(tcshuc)ASC(c)] & (bits)))
162#endif /* SHORT_STRINGS && KANJI */
163
164#define isglob(c)	cmap((c), _GLOB)
165#define isspc(c)	cmap((c), _SP)
166#define ismeta(c)	cmap((c), _META)
167#define iscmdmeta(c)	cmap((c), _CMD)
168#ifdef WIDE_STRINGS
169#define letter(c)	(((c) & QUOTE) ? 0 :  \
170			 (iswalpha((tcshuc) (c)) || (c) == '_'))
171#define alnum(c)	(((c) & QUOTE) ? 0 :  \
172		         (iswalnum((tcshuc) (c)) || (c) == '_'))
173#else
174#define letter(c)	(((Char)(c) & QUOTE) ? 0 :  \
175			 ((isalpha((tcshuc) (c)) && !(cmap((c), _PUN))) \
176			  || (c) == '_'))
177#define alnum(c)	(((Char)(c) & QUOTE) ? 0 :  \
178		         ((isalnum((tcshuc) (c)) && !(cmap((c), _PUN))) \
179			  || (c) == '_'))
180
181#endif
182
183#if defined(DSPMBYTE)
184# define IsmbyteU(c)	(Ismbyte1((Char)(c))||(Ismbyte2((Char)(c))&&((c)&0200)))
185#endif
186
187#ifdef NLS
188# ifdef WIDE_STRINGS
189#  define Isspace(c)	(((c) & QUOTE) ? 0 : iswspace(c))
190#  define Isdigit(c)	(((c) & QUOTE) ? 0 : iswdigit(c))
191#  define Isalpha(c)	(((c) & QUOTE) ? 0 : iswalpha(c))
192#  define Islower(c)	(((c) & QUOTE) ? 0 : iswlower(c))
193#  define Isupper(c)	(((c) & QUOTE) ? 0 : iswupper(c))
194#  define Tolower(c) 	(((c) & QUOTE) ? 0 : (wchar_t)towlower(c))
195#  define Toupper(c) 	(((c) & QUOTE) ? 0 : (wchar_t)towupper(c))
196#  define Isxdigit(c)	(((c) & QUOTE) ? 0 : iswxdigit(c))
197#  define Isalnum(c)	(((c) & QUOTE) ? 0 : iswalnum(c))
198#  define Iscntrl(c) 	(((c) & QUOTE) ? 0 : iswcntrl(c))
199#  define Isprint(c) 	(((c) & QUOTE) ? 0 : iswprint(c))
200#  define Ispunct(c) 	(((c) & QUOTE) ? 0 : iswpunct(c))
201# elif defined (NeXT)
202#  define Isspace(c)	(((Char)(c) & QUOTE) ? 0 : NXIsSpace((unsigned) (c)))
203#  define Isdigit(c)	(((Char)(c) & QUOTE) ? 0 : NXIsDigit((unsigned) (c)))
204#  define Isalpha(c)	(((Char)(c) & QUOTE) ? 0 : NXIsAlpha((unsigned) (c)))
205#  define Islower(c)	(((Char)(c) & QUOTE) ? 0 : NXIsLower((unsigned) (c)))
206#  define Isupper(c)	(((Char)(c) & QUOTE) ? 0 : NXIsUpper((unsigned) (c)))
207#  define Tolower(c) 	(((Char)(c) & QUOTE) ? 0 : NXToLower((unsigned) (c)))
208#  define Toupper(c) 	(((Char)(c) & QUOTE) ? 0 : NXToUpper((unsigned) (c)))
209#  define Isxdigit(c)	(((Char)(c) & QUOTE) ? 0 : NXIsXDigit((unsigned) (c)))
210#if defined(DSPMBYTE)
211#  define IscntrlM(c) 	(((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
212#  define Iscntrl(c)	( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
213#  define IsprintM(c) 	(((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
214#  define Isprint(c)	( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
215#else
216#  define Isalnum(c)	(((Char)(c) & QUOTE) ? 0 : NXIsAlNum((unsigned) (c)))
217#  define Iscntrl(c) 	(((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
218#  define Isprint(c) 	(((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
219#endif /* !defined(DSPMBYTE) */
220#  define Ispunct(c) 	(((Char)(c) & QUOTE) ? 0 : NXIsPunct((unsigned) (c)))
221# else /* !NeXT */
222#  ifndef WINNT_NATIVE
223#   define Isspace(c)	(((Char)(c) & QUOTE) ? 0 : isspace((tcshuc) (c)))
224#   define Isdigit(c)	(((Char)(c) & QUOTE) ? 0 : isdigit((tcshuc) (c)))
225#   define Isalpha(c)	(((Char)(c) & QUOTE) ? 0 : isalpha((tcshuc) (c)))
226#   define Islower(c)	(((Char)(c) & QUOTE) ? 0 : islower((tcshuc) (c)))
227#   define Isupper(c)	(((Char)(c) & QUOTE) ? 0 : isupper((tcshuc) (c)))
228#   define Tolower(c) 	(((Char)(c) & QUOTE) ? 0 : tolower((tcshuc) (c)))
229#   define Toupper(c) 	(((Char)(c) & QUOTE) ? 0 : toupper((tcshuc) (c)))
230#   define Isxdigit(c)	(((Char)(c) & QUOTE) ? 0 : isxdigit((tcshuc) (c)))
231#   define Isalnum(c)	(((Char)(c) & QUOTE) ? 0 : isalnum((tcshuc) (c)))
232#if defined(DSPMBYTE)
233#   define IscntrlM(c) 	(((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
234#   define Iscntrl(c)	( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
235#else
236#   define Iscntrl(c) 	(((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
237#endif /* !defined(DSPMBYTE) */
238#   if SOLARIS2 == 24
239    /* 
240     * From <casper@fwi.uva.nl> Casper Dik:
241     * In Solaris 2.4, isprint('\t') returns true after setlocal(LC_ALL,"").
242     * This breaks commandline editing when you include tabs.
243     * (This is in the en_US locale).
244     */
245#if defined(DSPMBYTE)
246#    define IsprintM(c) 	(((Char)(c) & QUOTE) ? 0 : \
247				(isprint((tcshuc) (c)) && (c) != '\t'))
248#else
249#    define Isprint(c) 	(((Char)(c) & QUOTE) ? 0 : \
250				(isprint((tcshuc) (c)) && (c) != '\t'))
251#endif /* !defined(DSPMBYTE) */
252#   else
253#if defined(DSPMBYTE)
254#    define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
255#else
256#    define Isprint(c) 	(((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
257#endif /* !defined(DSPMBYTE) */
258#   endif /* SOLARIS2 == 24 */
259#if defined(DSPMBYTE)
260#   define Isprint(c)	( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
261#endif /* !defined(DSPMBYTE) */
262#    define Ispunct(c) 	(((Char)(c) & QUOTE) ? 0 : ispunct((tcshuc) (c)))
263#  else /* WINNT_NATIVE */
264#   define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace( oem_it((tcshuc)(c))))
265#   define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit( oem_it((tcshuc)(c))))
266#   define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha( oem_it((tcshuc)(c))))
267#   define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower( oem_it((tcshuc)(c))))
268#   define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper( oem_it((tcshuc)(c))))
269#   define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower( oem_it((tcshuc)(c))))
270#   define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper( oem_it((tcshuc)(c))))
271#   define Isxdigit(c)(((Char)(c) & QUOTE) ? 0 : isxdigit(oem_it((tcshuc)(c))))
272#   define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum( oem_it((tcshuc)(c))))
273#   define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct( oem_it((tcshuc)(c))))
274#if defined(DSPMBYTE)
275#   define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
276#   define Iscntrl(c)	( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
277#   define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
278#   define Isprint(c)	( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
279#else
280#   define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
281#   define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
282#endif /* !defined(DSPMBYTE) */
283#  endif /* WINNT_NATIVE */
284# endif /* !NeXT */
285#else /* !NLS */
286# define Isspace(c)	cmap((c), _SP|_NL)
287# define Isdigit(c)	cmap((c), _DIG)
288# define Isalpha(c)	(cmap((c),_LET) && !(((c) & META) && AsciiOnly))
289# define Islower(c)	(cmap((c),_DOW) && !(((c) & META) && AsciiOnly))
290# define Isupper(c)	(cmap((c), _UP) && !(((c) & META) && AsciiOnly))
291# define Tolower(c)	(_cmap_lower[ASC(c)])
292# define Toupper(c)	(_cmap_upper[ASC(c)])
293# define Isxdigit(c)	cmap((c), _XD)
294# define Isalnum(c)	(cmap((c), _DIG|_LET) && !(((Char)(c) & META) && AsciiOnly))
295#if defined(DSPMBYTE)
296# define IscntrlM(c)	(cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
297# define Iscntrl(c)	( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
298# define IsprintM(c)	(!cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
299# define Isprint(c)	( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
300#else
301# define Iscntrl(c)	(cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
302# define Isprint(c)	(!cmap((c),_CTR) && !(((c) & META) && AsciiOnly))
303#endif /* !defined(DSPMBYTE) */
304# define Ispunct(c)	(cmap((c),_PUN) && !(((c) & META) && AsciiOnly))
305
306#endif /* !NLS */
307
308#if defined(DSPMBYTE)
309# define Ismbyte1(c)	((_mbmap[(c) & 0377] & _MB1) ? 1 : 0)
310# define Ismbyte2(c)	((_mbmap[(c) & 0377] & _MB2) ? 1 : 0)
311#endif
312
313#endif /* _h_sh_char */