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/*
* 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/>.
*/
/// $CompilerFlags: -std=c++11
#include "inspircd.h"
#include "modules/regex.h"
#include <regex>
class StdRegex : public Regex
{
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 RegexException(rx, rxerr.what());
}
}
bool Matches(const std::string& text) CXX11_OVERRIDE
{
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) CXX11_OVERRIDE
{
return new StdRegex(expr, regextype);
}
};
class ModuleRegexStd : public Module
{
public:
StdRegexFactory ref;
ModuleRegexStd() : ref(this)
{
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Regex Provider Module for std::regex", VF_VENDOR);
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* Conf = ServerInstance->Config->ConfValue("stdregex");
std::string regextype = Conf->getString("type", "ecmascript");
if (stdalgo::string::equalsci(regextype, "bre"))
ref.regextype = std::regex::basic;
else if (stdalgo::string::equalsci(regextype, "ere"))
ref.regextype = std::regex::extended;
else if (stdalgo::string::equalsci(regextype, "awk"))
ref.regextype = std::regex::awk;
else if (stdalgo::string::equalsci(regextype, "grep"))
ref.regextype = std::regex::grep;
else if (stdalgo::string::equalsci(regextype, "egrep"))
ref.regextype = std::regex::egrep;
else
{
if (!stdalgo::string::equalsci(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)
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