2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
7 * This file is part of InspIRCd. InspIRCd is free software: you can
8 * redistribute it and/or modify it under the terms of the GNU General Public
9 * License as published by the Free Software Foundation, version 2.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "modules/regex.h"
23 #include <sys/types.h>
24 #include <tre/regex.h>
26 /* $CompileFlags: pkgconfincludes("tre","tre/regex.h","") */
27 /* $LinkerFlags: pkgconflibs("tre","/libtre.so","-ltre") rpath("pkg-config --libs tre") */
29 class TRERegexException : public ModuleException
32 TRERegexException(const std::string& rx, const std::string& error)
33 : ModuleException("Error in regex " + rx + ": " + error)
38 class TRERegex : public Regex
43 TRERegex(const std::string& rx) : Regex(rx)
45 int flags = REG_EXTENDED | REG_NOSUB;
47 errcode = regcomp(®buf, rx.c_str(), flags);
50 // Get the error string into a std::string. YUCK this involves at least 2 string copies.
53 size_t sz = regerror(errcode, ®buf, NULL, 0);
54 errbuf = new char[sz + 1];
55 memset(errbuf, 0, sz + 1);
56 regerror(errcode, ®buf, errbuf, sz + 1);
60 throw TRERegexException(rx, error);
69 bool Matches(const std::string& text)
71 if (regexec(®buf, text.c_str(), 0, NULL, 0) == 0)
80 class TREFactory : public RegexFactory
83 TREFactory(Module* m) : RegexFactory(m, "regex/tre") {}
84 Regex* Create(const std::string& expr)
86 return new TRERegex(expr);
90 class ModuleRegexTRE : public Module
95 ModuleRegexTRE() : trf(this)
97 ServerInstance->Modules->AddService(trf);
100 Version GetVersion() CXX11_OVERRIDE
102 return Version("Regex Provider Module for TRE Regular Expressions", VF_VENDOR);
106 MODULE_INIT(ModuleRegexTRE)