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/*
*
* (C) 2012-2021 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*/
/* RequiredLibraries: pcre */
/* RequiredWindowsLibraries: libpcre */
#include "module.h"
#include <pcre.h>
class PCRERegex : public Regex
{
pcre *regex;
public:
PCRERegex(const Anope::string &expr) : Regex(expr)
{
const char *error;
int erroffset;
this->regex = pcre_compile(expr.c_str(), PCRE_CASELESS, &error, &erroffset, NULL);
if (!this->regex)
throw RegexException("Error in regex " + expr + " at offset " + stringify(erroffset) + ": " + error);
}
~PCRERegex()
{
pcre_free(this->regex);
}
bool Matches(const Anope::string &str)
{
return pcre_exec(this->regex, NULL, str.c_str(), str.length(), 0, 0, NULL, 0) > -1;
}
};
class PCRERegexProvider : public RegexProvider
{
public:
PCRERegexProvider(Module *creator) : RegexProvider(creator, "regex/pcre") { }
Regex *Compile(const Anope::string &expression) anope_override
{
return new PCRERegex(expression);
}
};
class ModuleRegexPCRE : public Module
{
PCRERegexProvider pcre_regex_provider;
public:
ModuleRegexPCRE(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, EXTRA | VENDOR),
pcre_regex_provider(this)
{
this->SetPermanent(true);
}
~ModuleRegexPCRE()
{
for (std::list<XLineManager *>::iterator it = XLineManager::XLineManagers.begin(); it != XLineManager::XLineManagers.end(); ++it)
{
XLineManager *xlm = *it;
const std::vector<XLine *> &xlines = xlm->GetList();
for (unsigned int i = 0; i < xlines.size(); ++i)
{
XLine *x = xlines[i];
if (x->regex && dynamic_cast<PCRERegex *>(x->regex))
{
delete x->regex;
x->regex = NULL;
}
}
}
}
};
MODULE_INIT(ModuleRegexPCRE)
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