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/*
* Copyright 2007-2018 Content Management AG
* All rights reserved.
*
* author: Max Kellermann <mk@cm4all.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef UNIQUE_REGEX_HXX
#define UNIQUE_REGEX_HXX
#include "RegexPointer.hxx"
#include "util/StringView.hxx"
#include <algorithm>
#include <pcre.h>
class UniqueRegex : public RegexPointer {
public:
UniqueRegex() = default;
UniqueRegex(const char *pattern, bool anchored, bool capture,
bool caseless) {
Compile(pattern, anchored, capture, caseless);
}
UniqueRegex(UniqueRegex &&src) noexcept:RegexPointer(src) {
src.re = nullptr;
src.extra = nullptr;
}
~UniqueRegex() noexcept {
pcre_free(re);
#ifdef PCRE_CONFIG_JIT
pcre_free_study(extra);
#else
pcre_free(extra);
#endif
}
UniqueRegex &operator=(UniqueRegex &&src) {
using std::swap;
swap<RegexPointer>(*this, src);
return *this;
}
/**
* Throws std::runtime_error on error.
*/
void Compile(const char *pattern, bool anchored, bool capture,
bool caseless);
};
#endif
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