/* * 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: ircd_chattr.h 1221 2004-10-05 02:10:00Z entrope $ * * 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 */