250 lines
11 KiB
C
250 lines
11 KiB
C
/* $Header: /src/pub/tcsh/sh.char.h,v 3.20 2002/07/01 20:50:21 christos Exp $ */
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/*
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* sh.char.h: Table for spotting special characters quickly
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* Makes for very obscure but efficient coding.
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*/
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/*-
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* Copyright (c) 1980, 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _h_sh_char
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#define _h_sh_char
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#if defined(NeXT) && defined(NLS)
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# include <appkit/NXCType.h>
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#else
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# include <ctype.h>
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#endif
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typedef unsigned char tcshuc;
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#ifdef _MINIX
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# undef _SP
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#endif /* _MINIX */
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extern unsigned short _cmap[];
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#if defined(DSPMBYTE)
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extern unsigned short _mbmap[];
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# define CHECK_MBYTEVAR STRdspmbyte
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#endif
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extern unsigned short _cmap_c[];
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extern unsigned short _cmap_mbyte[];
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extern short _enable_mbdisp;
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extern unsigned short _mbmap[];
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extern unsigned short _mbmap_euc[];
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extern unsigned short _mbmap_sjis[];
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extern unsigned short _mbmap_big5[];
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extern unsigned short _mbmap_utf8[];
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/* VARIABLE Check str */
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/* same compiler require #define even not define DSPMBYTE */
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#define _MB1 0x0001
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#define _MB2 0x0002
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#ifndef NLS
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extern tcshuc _cmap_lower[], _cmap_upper[];
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#endif
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#define _QF 0x0001 /* '" (Forward quotes) */
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#define _QB 0x0002 /* ` (Backquote) */
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#define _SP 0x0004 /* space and tab */
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#define _NL 0x0008 /* \n */
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#define _META 0x0010 /* lex meta characters, sp #'`";&<>()|\t\n */
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#define _GLOB 0x0020 /* glob characters, *?{[` */
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#define _ESC 0x0040 /* \ */
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#define _DOL 0x0080 /* $ */
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#define _DIG 0x0100 /* 0-9 */
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#define _LET 0x0200 /* a-z, A-Z, _ */
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#define _UP 0x0400 /* A-Z */
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#define _DOW 0x0800 /* a-z */
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#define _XD 0x1000 /* 0-9, a-f, A-F */
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#define _CMD 0x2000 /* lex end of command chars, ;&(|` */
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#define _CTR 0x4000 /* control */
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#define _PUN 0x8000 /* punctuation */
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#if defined(SHORT_STRINGS) && defined(KANJI)
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# define ASC(ch) ch
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# define CTL_ESC(ch) ch
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# define cmap(c, bits) \
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((((c) & QUOTE) || ((c & 0x80) && adrof(STRnokanji))) ? \
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0 : (_cmap[(tcshuc)(c)] & (bits)))
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#else /* SHORT_STRINGS && KANJI */
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# ifdef IS_ASCII
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# define ASC(ch) ch
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# define CTL_ESC(ch) ch
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# define cmap(c, bits) \
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(((c) & QUOTE) ? 0 : (_cmap[(tcshuc)(c)] & (bits)))
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# else /* IS_ASCII */
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/* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */
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/* "OS/390 USS" is a POSIX on a main frame using an IBM1047 char set */
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extern unsigned short _toascii[256];
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extern unsigned short _toebcdic[256];
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/* mainly for comparisons if (ASC(ch)=='\177')... */
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# define ASC(ch) _toascii[(tcshuc)ch]
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/* Literal escapes ('\010') must be mapped to EBCDIC,
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* for C-Escapes ('\b'), the compiler already does it.
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*/
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# define CTL_ESC(ch) _toebcdic[(tcshuc)ch]
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# define cmap(c, bits) \
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(((c) & QUOTE) ? 0 : (_cmap[_toascii[(tcshuc)(c)]] & (bits)))
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# endif /* IS_ASCII */
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#endif /* SHORT_STRINGS && KANJI */
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#define isglob(c) cmap(c, _GLOB)
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#define isspc(c) cmap(c, _SP)
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#define ismeta(c) cmap(c, _META)
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#define iscmdmeta(c) cmap(c, _CMD)
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#define letter(c) (((Char)(c) & QUOTE) ? 0 : \
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(isalpha((tcshuc) (c)) || (c) == '_'))
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#define alnum(c) (((Char)(c) & QUOTE) ? 0 : \
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(isalnum((tcshuc) (c)) || (c) == '_'))
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#if defined(DSPMBYTE)
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# define IsmbyteU(c) (Ismbyte1((Char)(c))||(Ismbyte2((Char)(c))&&((c)&0200)))
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#endif
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#ifdef NLS
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# ifdef NeXT
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# define Isspace(c) (((Char)(c) & QUOTE) ? 0 : NXIsSpace((unsigned) (c)))
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# define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : NXIsDigit((unsigned) (c)))
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# define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : NXIsAlpha((unsigned) (c)))
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# define Islower(c) (((Char)(c) & QUOTE) ? 0 : NXIsLower((unsigned) (c)))
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# define Isupper(c) (((Char)(c) & QUOTE) ? 0 : NXIsUpper((unsigned) (c)))
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# define Tolower(c) (((Char)(c) & QUOTE) ? 0 : NXToLower((unsigned) (c)))
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# define Toupper(c) (((Char)(c) & QUOTE) ? 0 : NXToUpper((unsigned) (c)))
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# define Isxdigit(c) (((Char)(c) & QUOTE) ? 0 : NXIsXDigit((unsigned) (c)))
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#if defined(DSPMBYTE)
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# define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
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# define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
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# define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
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# define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
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#else
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# define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : NXIsAlNum((unsigned) (c)))
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# define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : NXIsCntrl((unsigned) (c)))
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# define Isprint(c) (((Char)(c) & QUOTE) ? 0 : NXIsPrint((unsigned) (c)))
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#endif /* !defined(DSPMBYTE) */
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# define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : NXIsPunct((unsigned) (c)))
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# else /* !NeXT */
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# ifndef WINNT_NATIVE
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# define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace((tcshuc) (c)))
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# define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit((tcshuc) (c)))
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# define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha((tcshuc) (c)))
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# define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower((tcshuc) (c)))
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# define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper((tcshuc) (c)))
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# define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower((tcshuc) (c)))
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# define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper((tcshuc) (c)))
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# define Isxdigit(c) (((Char)(c) & QUOTE) ? 0 : isxdigit((tcshuc) (c)))
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# define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum((tcshuc) (c)))
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#if defined(DSPMBYTE)
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# define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
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# define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
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#else
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# define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl((tcshuc) (c)))
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#endif /* !defined(DSPMBYTE) */
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# if SOLARIS2 == 24
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/*
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* From <casper@fwi.uva.nl> Casper Dik:
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* In Solaris 2.4, isprint('\t') returns true after setlocal(LC_ALL,"").
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* This breaks commandline editing when you include tabs.
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* (This is in the en_US locale).
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*/
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#if defined(DSPMBYTE)
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# define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : \
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(isprint((tcshuc) (c)) && (c) != '\t'))
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#else
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# define Isprint(c) (((Char)(c) & QUOTE) ? 0 : \
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(isprint((tcshuc) (c)) && (c) != '\t'))
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#endif /* !defined(DSPMBYTE) */
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# else
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#if defined(DSPMBYTE)
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# define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
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#else
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# define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint((tcshuc) (c)))
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#endif /* !defined(DSPMBYTE) */
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# endif /* SOLARIS2 == 24 */
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#if defined(DSPMBYTE)
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# define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
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#endif /* !defined(DSPMBYTE) */
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# define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct((tcshuc) (c)))
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# else /* WINNT_NATIVE */
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# define Isspace(c) (((Char)(c) & QUOTE) ? 0 : isspace( oem_it((tcshuc)(c))))
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# define Isdigit(c) (((Char)(c) & QUOTE) ? 0 : isdigit( oem_it((tcshuc)(c))))
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# define Isalpha(c) (((Char)(c) & QUOTE) ? 0 : isalpha( oem_it((tcshuc)(c))))
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# define Islower(c) (((Char)(c) & QUOTE) ? 0 : islower( oem_it((tcshuc)(c))))
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# define Isupper(c) (((Char)(c) & QUOTE) ? 0 : isupper( oem_it((tcshuc)(c))))
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# define Tolower(c) (((Char)(c) & QUOTE) ? 0 : tolower( oem_it((tcshuc)(c))))
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# define Toupper(c) (((Char)(c) & QUOTE) ? 0 : toupper( oem_it((tcshuc)(c))))
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# define Isxdigit(c)(((Char)(c) & QUOTE) ? 0 : isxdigit(oem_it((tcshuc)(c))))
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# define Isalnum(c) (((Char)(c) & QUOTE) ? 0 : isalnum( oem_it((tcshuc)(c))))
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# define Ispunct(c) (((Char)(c) & QUOTE) ? 0 : ispunct( oem_it((tcshuc)(c))))
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#if defined(DSPMBYTE)
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# define IscntrlM(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
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# define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
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# define IsprintM(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
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# define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
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#else
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# define Iscntrl(c) (((Char)(c) & QUOTE) ? 0 : iscntrl( oem_it((tcshuc)(c))))
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# define Isprint(c) (((Char)(c) & QUOTE) ? 0 : isprint( oem_it((tcshuc)(c))))
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#endif /* !defined(DSPMBYTE) */
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# endif /* WINNT_NATIVE */
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# endif /* !NeXT */
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#else /* !NLS */
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# define Isspace(c) cmap(c, _SP|_NL)
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# define Isdigit(c) cmap(c, _DIG)
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# define Isalpha(c) (cmap(c,_LET) && !(((c) & META) && AsciiOnly))
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# define Islower(c) (cmap(c,_DOW) && !(((c) & META) && AsciiOnly))
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# define Isupper(c) (cmap(c, _UP) && !(((c) & META) && AsciiOnly))
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# ifdef IS_ASCII
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# define Tolower(c) (_cmap_lower[(tcshuc)(c)])
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# define Toupper(c) (_cmap_upper[(tcshuc)(c)])
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# else
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/* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC char set */
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# define Tolower(c) (_cmap_lower[_toascii[(tcshuc)(c)]])
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# define Toupper(c) (_cmap_upper[_toascii[(tcshuc)(c)]])
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# endif
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# define Isxdigit(c) cmap(c, _XD)
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# define Isalnum(c) (cmap(c, _DIG|_LET) && !(((Char)(c) & META) && AsciiOnly))
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#if defined(DSPMBYTE)
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# define IscntrlM(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
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# define Iscntrl(c) ( (IscntrlM(c)) && !(_enable_mbdisp&&(IsmbyteU((c)))) )
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# define IsprintM(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
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# define Isprint(c) ( (IsprintM(c)) || (_enable_mbdisp&&(IsmbyteU((c)))) )
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#else
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# define Iscntrl(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
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# define Isprint(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
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#endif /* !defined(DSPMBYTE) */
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# define Ispunct(c) (cmap(c,_PUN) && !(((c) & META) && AsciiOnly))
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#endif /* !NLS */
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#if defined(DSPMBYTE)
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# define Ismbyte1(c) ((_mbmap[(c) & 0377] & _MB1) ? 1 : 0)
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# define Ismbyte2(c) ((_mbmap[(c) & 0377] & _MB2) ? 1 : 0)
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#endif
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#endif /* _h_sh_char */
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