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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013 Peter Powell <petpow@saberuk.com>
* 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/>.
*/
#if defined __GNUC__
# pragma GCC diagnostic ignored "-Wshadow"
#endif
#include "inspircd.h"
#include "modules/regex.h"
#include <re2/re2.h>
/* $ModDesc: Regex Provider Module for RE2 Regular Expressions */
/* $CompileFlags: -std=c++11 */
/* $LinkerFlags: -lre2 */
/* $ModDep: modules/regex.h */
class RE2Exception : public ModuleException
{
public:
RE2Exception(const std::string& rx, const std::string& error)
: ModuleException(std::string("Error in regex ") + rx + ": " + error)
{
}
};
class RE2Regex : public Regex
{
RE2 regexcl;
public:
RE2Regex(const std::string& rx) : Regex(rx), regexcl(rx, RE2::Quiet)
{
if (!regexcl.ok())
{
throw RE2Exception(rx, regexcl.error());
}
}
bool Matches(const std::string& text)
{
return RE2::FullMatch(text, regexcl);
}
};
class RE2Factory : public RegexFactory
{
public:
RE2Factory(Module* m) : RegexFactory(m, "regex/re2") { }
Regex* Create(const std::string& expr)
{
return new RE2Regex(expr);
}
};
class ModuleRegexRE2 : public Module
{
RE2Factory ref;
public:
ModuleRegexRE2() : ref(this)
{
ServerInstance->Modules->AddService(ref);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Regex Provider Module for RE2", VF_VENDOR);
}
};
MODULE_INIT(ModuleRegexRE2)
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