--- /dev/null
+/*
+ * 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 <limits.h>
+#define INCLUDED_limits_h
+#endif
+#ifndef INCLUDED_sys_types_h
+#include <sys/types.h>
+#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 */
projects / ircu2.10.12-pk.git / blobdiff