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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
*
* 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 <pcre.h>
#include "modules/regex.h"
/* $ModDesc: Regex Provider Module for PCRE */
/* $ModDep: modules/regex.h */
/* $CompileFlags: exec("pcre-config --cflags") */
/* $LinkerFlags: exec("pcre-config --libs") rpath("pcre-config --libs") -lpcre */
#ifdef _WIN32
# pragma comment(lib, "libpcre.lib")
#endif
class PCREException : public ModuleException
{
public:
PCREException(const std::string& rx, const std::string& error, int erroffset)
: ModuleException("Error in regex " + rx + " at offset " + ConvToStr(erroffset) + ": " + error)
{
}
};
class PCRERegex : public Regex
{
pcre* regex;
public:
PCRERegex(const std::string& rx) : Regex(rx)
{
const char* error;
int erroffset;
regex = pcre_compile(rx.c_str(), 0, &error, &erroffset, NULL);
if (!regex)
{
ServerInstance->Logs->Log("REGEX", LOG_DEBUG, "pcre_compile failed: /%s/ [%d] %s", rx.c_str(), erroffset, error);
throw PCREException(rx, error, erroffset);
}
}
~PCRERegex()
{
pcre_free(regex);
}
bool Matches(const std::string& text)
{
if (pcre_exec(regex, NULL, text.c_str(), text.length(), 0, 0, NULL, 0) > -1)
{
// Bang. :D
return true;
}
return false;
}
};
class PCREFactory : public RegexFactory
{
public:
PCREFactory(Module* m) : RegexFactory(m, "regex/pcre") {}
Regex* Create(const std::string& expr)
{
return new PCRERegex(expr);
}
};
class ModuleRegexPCRE : public Module
{
public:
PCREFactory ref;
ModuleRegexPCRE() : ref(this)
{
ServerInstance->Modules->AddService(ref);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Regex Provider Module for PCRE", VF_VENDOR);
}
};
MODULE_INIT(ModuleRegexPCRE)
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