mirror of
git://git.acid.vegas/anope.git
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94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
/*
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*
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* (C) 2012-2022 Anope Team
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* Contact us at team@anope.org
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*
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* Please read COPYING and README for further details.
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*/
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/* RequiredLibraries: pcre2-8 */
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/* RequiredWindowsLibraries: libpcre2-8 */
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#include "module.h"
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#define PCRE2_CODE_UNIT_WIDTH 8
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#include <pcre2.h>
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class PCRERegex : public Regex
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{
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pcre2_code *regex;
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public:
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PCRERegex(const Anope::string &expr) : Regex(expr)
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{
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int errcode;
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PCRE2_SIZE erroffset;
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this->regex = pcre2_compile(reinterpret_cast<PCRE2_SPTR8>(expr.c_str()), expr.length(), PCRE2_CASELESS, &errcode, &erroffset, NULL);
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if (!this->regex)
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{
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PCRE2_UCHAR error[128];
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pcre2_get_error_message(errcode, error, sizeof error);
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throw RegexException("Error in regex " + expr + " at offset " + stringify(erroffset) + ": " + reinterpret_cast<const char*>(error));
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}
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}
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~PCRERegex()
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{
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pcre2_code_free(this->regex);
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}
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bool Matches(const Anope::string &str)
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{
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pcre2_match_data *unused = pcre2_match_data_create_from_pattern(this->regex, NULL);
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int result = pcre2_match(regex, reinterpret_cast<PCRE2_SPTR8>(str.c_str()), str.length(), 0, 0, unused, NULL);
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pcre2_match_data_free(unused);
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return result >= 0;
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}
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};
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class PCRERegexProvider : public RegexProvider
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{
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public:
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PCRERegexProvider(Module *creator) : RegexProvider(creator, "regex/pcre") { }
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Regex *Compile(const Anope::string &expression) anope_override
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{
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return new PCRERegex(expression);
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}
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};
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class ModuleRegexPCRE : public Module
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{
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PCRERegexProvider pcre_regex_provider;
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public:
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ModuleRegexPCRE(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, EXTRA | VENDOR),
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pcre_regex_provider(this)
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{
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this->SetPermanent(true);
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}
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~ModuleRegexPCRE()
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{
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for (std::list<XLineManager *>::iterator it = XLineManager::XLineManagers.begin(); it != XLineManager::XLineManagers.end(); ++it)
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{
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XLineManager *xlm = *it;
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const std::vector<XLine *> &xlines = xlm->GetList();
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for (unsigned int i = 0; i < xlines.size(); ++i)
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{
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XLine *x = xlines[i];
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if (x->regex && dynamic_cast<PCRERegex *>(x->regex))
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{
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delete x->regex;
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x->regex = NULL;
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}
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}
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}
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}
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};
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MODULE_INIT(ModuleRegexPCRE)
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