source: trunk/third/tcsh/sh.char.h @ 12039

/* $Header: /afs/dev.mit.edu/source/repository/third/tcsh/sh.char.h,v 1.1.1.2 1998-10-03 21:09:56 danw 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. 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 <appkit/NXCType.h>
#else
# include <ctype.h>
#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[];
/* 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
#ifndef _OSD_POSIX
#define ASC(ch) ch
#define CTL_ESC(ch) ch
#define cmap(c, bits)   \
        (((c) & QUOTE) ? 0 : (_cmap[(tcshuc)(c)] & (bits)))
#else /*_OSD_POSIX*/
/* "BS2000 OSD" is a POSIX on a main frame using a EBCDIC 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 /*_OSD_POSIX*/
#endif

#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
#   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@fwi.uva.nl> 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 */
#   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 */
# 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))
#ifndef _OSD_POSIX
# define Tolower(c)     (_cmap_lower[(tcshuc)(c)])
# define Toupper(c)     (_cmap_upper[(tcshuc)(c)])
#else /*_OSD_POSIX*/
/* "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 /*_OSD_POSIX*/
# 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 */