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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013-2014, 2016-2017, 2019, 2021 Sadie Powell <sadie@witchery.services>
*
* 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: find_compiler_flags("re2" "-std=c++11")
/// $LinkerFlags: find_linker_flags("re2" "-lre2")
/// $PackageInfo: require_system("arch") pkgconf re2
/// $PackageInfo: require_system("darwin") pkg-config re2
/// $PackageInfo: require_system("debian" "8.0") libre2-dev pkg-config
/// $PackageInfo: require_system("ubuntu" "15.10") libre2-dev pkg-config
#include "inspircd.h"
#include "modules/regex.h"
#ifdef __GNUC__
# pragma GCC diagnostic push
#endif
// Fix warnings about the use of `long long` on C++03 and
// shadowing on GCC.
#if defined __clang__
# pragma clang diagnostic ignored "-Wc++11-long-long"
#elif defined __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# pragma GCC diagnostic ignored "-Wshadow"
#endif
#include <re2/re2.h>
#ifdef __GNUC__
# pragma GCC diagnostic pop
#endif
class RE2Regex : public Regex
{
RE2 regexcl;
public:
RE2Regex(const std::string& rx) : Regex(rx), regexcl(rx, RE2::Quiet)
{
if (!regexcl.ok())
{
throw RegexException(rx, regexcl.error());
}
}
bool Matches(const std::string& text) CXX11_OVERRIDE
{
return RE2::FullMatch(text, regexcl);
}
};
class RE2Factory : public RegexFactory
{
public:
RE2Factory(Module* m) : RegexFactory(m, "regex/re2") { }
Regex* Create(const std::string& expr) CXX11_OVERRIDE
{
return new RE2Regex(expr);
}
};
class ModuleRegexRE2 : public Module
{
RE2Factory ref;
public:
ModuleRegexRE2() : ref(this)
{
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides the re2 regular expression engine which uses the RE2 library.", VF_VENDOR);
}
};
MODULE_INIT(ModuleRegexRE2)
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