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| -rw-r--r-- | docs/conf/modules.conf.example | 11 | ||||
| -rw-r--r-- | src/modules/extra/m_regex_stdlib.cpp | 112 |
2 files changed, 123 insertions, 0 deletions
diff --git a/docs/conf/modules.conf.example b/docs/conf/modules.conf.example index 84e3b26ab..b3034d3e9 100644 --- a/docs/conf/modules.conf.example +++ b/docs/conf/modules.conf.example @@ -1389,6 +1389,17 @@ #<module name="m_regex_posix.so"> #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-# +# Regular Expression Provider for C++11 std::regex Regular Expressions. +# This module works on any fully compliant implementation of the C++11 +# std::regex container. Examples for such are Visual C++ 2010 and newer +# but not libstdc++ (which GCC uses) +#<module name="m_regex_stdlib.so"> + +# Specify the Regular Expression engine to use here. Valid settings are +# bre, ere, awk, grep, egrep, ecmascript (default if not specified) +#<stdregex type="ecmascript"> + +#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-# # Regular Expression Provider for TRE Regular Expressions. # This is the same regular expression engine used by UnrealIRCd, so # if you are most familiar with the syntax of /spamfilter from there, diff --git a/src/modules/extra/m_regex_stdlib.cpp b/src/modules/extra/m_regex_stdlib.cpp new file mode 100644 index 000000000..4942e9739 --- /dev/null +++ b/src/modules/extra/m_regex_stdlib.cpp @@ -0,0 +1,112 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2012 ChrisTX <chris@rev-crew.info> + * + * This file is part of InspIRCd. InspIRCd 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, version 2. + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#include "inspircd.h" +#include "m_regex.h" +#include <regex> + +/* $ModDesc: Regex Provider Module for std::regex Regular Expressions */ +/* $ModConfig: <stdregex type="ecmascript"> + * Specify the Regular Expression engine to use here. Valid settings are + * bre, ere, awk, grep, egrep, ecmascript (default if not specified)*/ +/* $CompileFlags: -std=c++11 */ +/* $ModDep: m_regex.h */ + +class StdRegexException : public ModuleException +{ +public: + StdRegexException(const std::string& rx, const std::string& error) + : ModuleException(std::string("Error in regex ") + rx + ": " + error) + { + } +}; + +class StdRegex : public Regex +{ +private: + std::regex regexcl; +public: + StdRegex(const std::string& rx, std::regex::flag_type fltype) : Regex(rx) + { + try{ + regexcl.assign(rx, fltype | std::regex::optimize); + } + catch(std::regex_error rxerr) + { + throw StdRegexException(rx, rxerr.what()); + } + } + + virtual bool Matches(const std::string& text) + { + return std::regex_search(text, regexcl); + } +}; + +class StdRegexFactory : public RegexFactory +{ + public: + std::regex::flag_type regextype; + StdRegexFactory(Module* m) : RegexFactory(m, "regex/stdregex") {} + Regex* Create(const std::string& expr) + { + return new StdRegex(expr, regextype); + } +}; + +class ModuleRegexStd : public Module +{ +public: + StdRegexFactory ref; + ModuleRegexStd() : ref(this) { + ServerInstance->Modules->AddService(ref); + Implementation eventlist[] = { I_OnRehash }; + ServerInstance->Modules->Attach(eventlist, this, 1); + OnRehash(NULL); + } + + Version GetVersion() + { + return Version("Regex Provider Module for std::regex", VF_VENDOR); + } + + void OnRehash(User* u) + { + ConfigTag* Conf = ServerInstance->Config->ConfValue("stdregex"); + std::string regextype = Conf->getString("type", "ecmascript"); + + if(regextype == "bre") + ref.regextype = std::regex::basic; + else if(regextype == "ere") + ref.regextype = std::regex::extended; + else if(regextype == "awk") + ref.regextype = std::regex::awk; + else if(regextype == "grep") + ref.regextype = std::regex::grep; + else if(regextype == "egrep") + ref.regextype = std::regex::egrep; + else + { + if(regextype != "ecmascript") + ServerInstance->SNO->WriteToSnoMask('a', "WARNING: Non-existent regex engine '%s' specified. Falling back to ECMAScript.", regextype.c_str()); + ref.regextype = std::regex::ECMAScript; + } + } +}; + +MODULE_INIT(ModuleRegexStd) |