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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include <pcre.h>
#include "m_regex.h"
/* $ModDesc: Regex Provider Module for PCRE */
/* $ModDep: m_regex.h */
/* $CompileFlags: exec("pcre-config --cflags") */
/* $LinkerFlags: exec("pcre-config --libs") rpath("pcre-config --libs") -lpcre */
#ifdef WINDOWS
#pragma comment(lib, "pcre.lib")
#endif
class PCREException : public ModuleException
{
public:
PCREException(const std::string& rx, const std::string& error, int erroffset)
: ModuleException(std::string("Error in regex ") + rx + " at offset " + ConvToStr(erroffset) + ": " + error)
{
}
};
class PCRERegex : public Regex
{
private:
pcre* regex;
public:
PCRERegex(const std::string& rx, InspIRCd* Me) : Regex(rx, Me)
{
const char* error;
int erroffset;
regex = pcre_compile(rx.c_str(), 0, &error, &erroffset, NULL);
if (!regex)
{
Me->Logs->Log("REGEX", DEBUG, "pcre_compile failed: /%s/ [%d] %s", rx.c_str(), erroffset, error);
throw PCREException(rx, error, erroffset);
}
}
virtual ~PCRERegex()
{
pcre_free(regex);
}
virtual bool Matches(const std::string& text)
{
if (pcre_exec(regex, NULL, text.c_str(), text.length(), 0, 0, NULL, 0) > -1)
{
// Bang. :D
return true;
}
return false;
}
};
class ModuleRegexPCRE : public Module
{
public:
ModuleRegexPCRE(InspIRCd* Me) : Module(Me)
{
Me->Modules->PublishInterface("RegularExpression", this);
Implementation eventlist[] = { I_OnRequest };
Me->Modules->Attach(eventlist, this, 1);
}
virtual Version GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR | VF_SERVICEPROVIDER, API_VERSION);
}
virtual ~ModuleRegexPCRE()
{
ServerInstance->Modules->UnpublishInterface("RegularExpression", this);
}
virtual const char* OnRequest(Request* request)
{
if (strcmp("REGEX-NAME", request->GetId()) == 0)
{
return "pcre";
}
else if (strcmp("REGEX", request->GetId()) == 0)
{
RegexFactoryRequest* rfr = (RegexFactoryRequest*)request;
std::string rx = rfr->GetRegex();
rfr->result = new PCRERegex(rx, ServerInstance);
return "OK";
}
return NULL;
}
};
MODULE_INIT(ModuleRegexPCRE)
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