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