plugins/include/regex.inc
branchrefac-jit
changeset 2284 026da5437111
parent 2192 7602d7fb60d9
child 2288 15c77b21589a
     1.1 --- a/plugins/include/regex.inc	Fri Jul 11 06:51:21 2008 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,173 +0,0 @@
     1.4 -/**
     1.5 - * vim: set ts=4 :
     1.6 - * =============================================================================
     1.7 - * SourceMod (C)2004-2008 AlliedModders LLC.  All rights reserved.
     1.8 - * =============================================================================
     1.9 - *
    1.10 - * This file is part of the SourceMod/SourcePawn SDK.
    1.11 - *
    1.12 - * This program is free software; you can redistribute it and/or modify it under
    1.13 - * the terms of the GNU General Public License, version 3.0, as published by the
    1.14 - * Free Software Foundation.
    1.15 - * 
    1.16 - * This program is distributed in the hope that it will be useful, but WITHOUT
    1.17 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.18 - * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    1.19 - * details.
    1.20 - *
    1.21 - * You should have received a copy of the GNU General Public License along with
    1.22 - * this program.  If not, see <http://www.gnu.org/licenses/>.
    1.23 - *
    1.24 - * As a special exception, AlliedModders LLC gives you permission to link the
    1.25 - * code of this program (as well as its derivative works) to "Half-Life 2," the
    1.26 - * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    1.27 - * by the Valve Corporation.  You must obey the GNU General Public License in
    1.28 - * all respects for all other code used.  Additionally, AlliedModders LLC grants
    1.29 - * this exception to all derivative works.  AlliedModders LLC defines further
    1.30 - * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    1.31 - * or <http://www.sourcemod.net/license.php>.
    1.32 - *
    1.33 - * Version: $Id$
    1.34 - */
    1.35 -
    1.36 -#if defined _regex_included
    1.37 -  #endinput
    1.38 -#endif
    1.39 -#define _regex_included
    1.40 -
    1.41 -/**
    1.42 - * @section 	Flags for compiling regex expressions.  These come directly from the 
    1.43 - * pcre library and can be used in MatchRegex and CompileRegex.
    1.44 - */
    1.45 -#define PCRE_CASELESS           0x00000001 /* Ignore Case */
    1.46 -#define PCRE_MULTILINE          0x00000002 /* Multilines (affects ^ and $ so that they match the start/end of a line rather than matching the start/end of the string). */
    1.47 -#define PCRE_DOTALL             0x00000004 /* Single line (affects . so that it matches any character, even new line characters). */
    1.48 -#define PCRE_EXTENDED           0x00000008 /* Pattern extension (ignore whitespace and # comments). */
    1.49 -#define PCRE_UNGREEDY           0x00000200 /* Invert greediness of quantifiers */
    1.50 -#define PCRE_UTF8               0x00000800 /* Use UTF-8 Chars */
    1.51 -#define PCRE_NO_UTF8_CHECK      0x00002000 /* Do not check the pattern for UTF-8 validity (only relevant if PCRE_UTF8 is set) */
    1.52 -
    1.53 -
    1.54 -/**
    1.55 - * Regex expression error codes.
    1.56 - */
    1.57 -enum RegexError
    1.58 -{
    1.59 -	REGEX_ERROR_NONE = 0,				/* No error */
    1.60 -	REGEX_ERROR_NOMATCH = -1,			/* No match was found */
    1.61 -	REGEX_ERROR_NULL = -2,
    1.62 -	REGEX_ERROR_BADOPTION = -3,
    1.63 -	REGEX_ERROR_BADMAGIC = -4,
    1.64 -	REGEX_ERROR_UNKNOWN_OPCODE = -5,
    1.65 -	REGEX_ERROR_NOMEMORY = -6,
    1.66 -	REGEX_ERROR_NOSUBSTRING = -7,
    1.67 -	REGEX_ERROR_MATCHLIMIT = -8,
    1.68 -	REGEX_ERROR_CALLOUT = -9,  			/* Never used by PCRE itself */
    1.69 -	REGEX_ERROR_BADUTF8 = -10,
    1.70 -	REGEX_ERROR_BADUTF8_OFFSET = -11,
    1.71 -	REGEX_ERROR_PARTIAL = -12,
    1.72 -	REGEX_ERROR_BADPARTIAL = -13,
    1.73 -	REGEX_ERROR_INTERNAL = -14,
    1.74 -	REGEX_ERROR_BADCOUNT = -15,
    1.75 -	REGEX_ERROR_DFA_UITEM = -16,
    1.76 -	REGEX_ERROR_DFA_UCOND = -17,
    1.77 -	REGEX_ERROR_DFA_UMLIMIT = -18,
    1.78 -	REGEX_ERROR_DFA_WSSIZE = -19,
    1.79 -	REGEX_ERROR_DFA_RECURSE = -20,
    1.80 -	REGEX_ERROR_RECURSIONLIMIT = -21,
    1.81 -	REGEX_ERROR_NULLWSLIMIT = -22,  	/* No longer actually used */
    1.82 -	REGEX_ERROR_BADNEWLINE = -23
    1.83 -};
    1.84 -
    1.85 -/**
    1.86 - * Precompile a regular expression.  Use this if you intend on using the 
    1.87 - * same expression multiple times.  Pass the regex handle returned here to
    1.88 - * MatchRegex to check for matches.
    1.89 - *
    1.90 - * @param pattern		The regular expression pattern.
    1.91 - * @param flags			General flags for the regular expression.
    1.92 - * @param error			Error message encountered, if applicable.
    1.93 - * @param maxLen		Maximum string length of the error buffer.
    1.94 - * @param errcode		Regex type error code encountered, if applicable.
    1.95 - * @return				Valid regex handle on success, INVALID_HANDLE on failure.
    1.96 - */
    1.97 -native Handle:CompileRegex(const String:pattern[], flags = 0, String:error[]="", maxLen = 0, &RegexError:errcode = REGEX_ERROR_NONE);
    1.98 -
    1.99 -/**
   1.100 - * Matches a string against a pre-compiled regular expression pattern.
   1.101 - *
   1.102 - * @param str			The string to check.
   1.103 - * @param regex			Regex Handle from CompileRegex()
   1.104 - * @param ret			Error code, if applicable.
   1.105 - * @return				Number of substrings found or -1 on failure.
   1.106 - *
   1.107 - * @note				Use the regex handle passed to this function to extract
   1.108 - *						matches with GetRegexSubString().
   1.109 - */
   1.110 -native MatchRegex(Handle:regex, const String:str[], &RegexError:ret = REGEX_ERROR_NONE);
   1.111 -
   1.112 -/**
   1.113 - * Returns a matched substring from a regex handle.
   1.114 - * Substring ids start at 0 and end at substrings-1, where substrings is the number returned 
   1.115 - * by MatchRegex
   1.116 - *
   1.117 - * @param regex			The regex handle to extract data from.
   1.118 - * @param str_id		The index of the expression to get - starts at 0, and ends at substrings - 1.
   1.119 - * @param buffer		The buffer to set to the matching substring.
   1.120 - * @param maxLen		The maximum string length of the buffer.
   1.121 - * @return				True if a substring was found, False on fail/error
   1.122 - */
   1.123 -native bool:GetRegexSubString(Handle:regex, str_id, String:buffer[], maxlen);
   1.124 -
   1.125 -/**
   1.126 - * Matches a string against a regular expression pattern.
   1.127 - *
   1.128 - * @note				If you intend on using the same regular expression pattern
   1.129 - *						multiple times, consider using CompileRegex and MatchRegex 
   1.130 - *						instead of making this function reparse the expression each time.
   1.131 - *
   1.132 - * @param str			The string to check.
   1.133 - * @param pattern		The regular expression pattern.
   1.134 - * @param flags			General flags for the regular expression.
   1.135 - * @param error			Error message, if applicable.
   1.136 - * @param maxLen		Maximum length of the error buffer.
   1.137 - * @return				Number of substrings found or -1 on failure.
   1.138 - */
   1.139 -stock SimpleRegexMatch(const String:str[], const String:pattern[], flags = 0, String:error[]="", maxLen = 0)
   1.140 -{
   1.141 -	new Handle:regex = CompileRegex(pattern, flags, error, maxLen);
   1.142 -	
   1.143 -	if (regex == INVALID_HANDLE)
   1.144 -	{
   1.145 -		return -1;	
   1.146 -	}
   1.147 -	
   1.148 -	new substrings = MatchRegex(regex, str);
   1.149 -	
   1.150 -	CloseHandle(regex);
   1.151 -	
   1.152 -	return substrings;	
   1.153 -}
   1.154 -
   1.155 -/**
   1.156 - * @endsection
   1.157 - */
   1.158 -
   1.159 -/**
   1.160 - * Do not edit below this line!
   1.161 - */
   1.162 -public Extension:__ext_regex = 
   1.163 -{
   1.164 -	name = "Regex Extension",
   1.165 -	file = "regex.ext",
   1.166 -#if defined AUTOLOAD_EXTENSIONS
   1.167 -	autoload = 1,
   1.168 -#else
   1.169 -	autoload = 0,
   1.170 -#endif
   1.171 -#if defined REQUIRE_EXTENSIONS
   1.172 -	required = 1,
   1.173 -#else
   1.174 -	required = 0,
   1.175 -#endif
   1.176 -};