X-Git-Url: http://git.pk910.de/?p=ircu2.10.12-pk.git;a=blobdiff_plain;f=include%2Fircd_chattr.h;fp=include%2Fircd_chattr.h;h=adbbabda00af6ceade2cfc94f495f9135637fe45;hp=0000000000000000000000000000000000000000;hb=0400a5a6479398d82526785c18c0df8bc8b92dce;hpb=d17e10da972ce5776c60b4c317267c6abe0e1ead diff --git a/include/ircd_chattr.h b/include/ircd_chattr.h new file mode 100644 index 0000000..adbbabd --- /dev/null +++ b/include/ircd_chattr.h @@ -0,0 +1,130 @@ +/* + * IRC - Internet Relay Chat, include/ircd_chattr.h + * Copyright (C) 1998 Andrea Cocito + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 1, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/** @file + * @brief Character attribute definitions and arrays. + * @version $Id$ + * + * This character set code is adapted from Nemesi's Tools Library, + * which gives us the prefix NTL_ on these macros. + */ + +#ifndef INCLUDED_ircd_chattr_h +#define INCLUDED_ircd_chattr_h +#ifndef INCLUDED_limits_h +#include +#define INCLUDED_limits_h +#endif +#ifndef INCLUDED_sys_types_h +#include +#define INCLUDED_sys_types_h +#endif + +/* + * Character attribute macros + */ +#define NTL_ALNUM 0x0001 /**< (NTL_ALPHA | NTL_DIGIT) */ +#define NTL_ALPHA 0x0002 /**< (NTL_LOWER | NTL_UPPER) */ +#define NTL_CNTRL 0x0004 /**< \\000 - \\037 == 0x00 - 0x1F */ +#define NTL_DIGIT 0x0008 /**< 0123456789 */ +#define NTL_GRAPH 0x0010 /**< (NTL_ALNUM | NTL_PUNCT) */ +#define NTL_LOWER 0x0020 /**< abcdefghijklmnopqrstuvwxyz{|}~ */ +#define NTL_PRINT 0x0040 /**< (NTL_GRAPH | ' ') */ +#define NTL_PUNCT 0x0080 /**< !"#$%&'()*+,-./:;<=>?\@_` */ +#define NTL_SPACE 0x0100 /**< \\011\\012\\013\\014\\015\\040 */ +#define NTL_UPPER 0x0200 /**< ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^ */ +#define NTL_IRCCH 0x0400 /**< Channel's names charset */ +#define NTL_IRCCL 0x0800 /**< Force toLower() in ch-name */ +#define NTL_IRCNK 0x1000 /**< Nick names charset, aka isvalid() */ +#define NTL_IRCUI 0x2000 /**< UserIDs charset, IRCHN plus tilde */ +#define NTL_IRCHN 0x4000 /**< Hostnames charset (weak, RFC 1033) */ +#define NTL_IRCIP 0x8000 /**< Numeric IPs charset (DIGIT and .) */ +#define NTL_EOL 0x10000 /**< \\r\\n */ +#define NTL_KTIME 0x20000 /**< Valid character for a k:line time */ +#define NTL_CHPFX 0x40000 /**< channel prefix char # & + */ +#define NTL_IRCIP6 0x80000 /**< Numeric IPv6 character (hex or colon) */ + +/* + * Tables used for translation and classification macros + */ +/** Array mapping characters to RFC 1459 lower-case versions. + * Yes, the variable name lies about the encoding. + */ +extern const char ToLowerTab_8859_1[]; +/** Array mapping characters to RFC 1459 upper-case versions. + * Yes, the variable name lies about the encoding. + */ +extern const char ToUpperTab_8859_1[]; +/** Array mapping characters to attribute bitmasks. */ +extern const unsigned int IRCD_CharAttrTab[]; + +/* + * Translation macros for channel name case translation + * NOTE: Channel names are supposed to be lower case insensitive for + * ISO 8859-1 character sets. + */ +/** Convert a character to its lower-case equivalent. */ +#define ToLower(c) (ToLowerTab_8859_1[(c) - CHAR_MIN]) +/** Convert a character to its upper-case equivalent. */ +#define ToUpper(c) (ToUpperTab_8859_1[(c) - CHAR_MIN]) + +/* + * Character classification macros + * NOTE: The IsUpper and IsLower macros do not apply to the complete + * ISO 8859-1 character set, unlike the ToUpper and ToLower macros above. + * IsUpper and IsLower only apply for comparisons of the US ASCII subset. + */ +/** Test whether a character is alphanumeric. */ +#define IsAlnum(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_ALNUM) +/** Test whether a character is alphabetic. */ +#define IsAlpha(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_ALPHA) +/** Test whether a character is a digit. */ +#define IsDigit(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_DIGIT) +/** Test whether a character is lower case. */ +#define IsLower(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_LOWER) +/** Test whether a character is whitespace. */ +#define IsSpace(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_SPACE) +/** Test whether a character is upper case. */ +#define IsUpper(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_UPPER) +/** Test whether a character is a control character. */ +#define IsCntrl(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_CNTRL) + +/** Test whether a character is valid in a channel name. */ +#define IsChannelChar(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_IRCCH) +/** Test whether a character is a lower-case channel name character. */ +#define IsChannelLower(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_IRCCL) +/** Test whether a character is a channel prefix. */ +#define IsChannelPrefix(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_CHPFX) +/** Test whether a character is valid in a nickname. */ +#define IsNickChar(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_IRCNK) +/** Test whether a character is valid in a userid. */ +#define IsUserChar(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_IRCUI) +/** Test whether a character is valid in a hostname. */ +#define IsHostChar(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_IRCHN) +/** Test whether a character is valid in an IPv4 address. */ +#define IsIPChar(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_IRCIP) +/** Test whether a character is valid in an IPv6 address. */ +#define IsIP6Char(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_IRCIP6) +/** Test whether a character is an end-of-line character. */ +#define IsEol(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_EOL) +/** Test whether a character is valid in a K: line expiration string. */ +#define IsKTimeChar(c) (IRCD_CharAttrTab[(c) - CHAR_MIN] & NTL_KTIME) + + +#endif /* INCLUDED_ircd_chattr_h */