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// Copyright 2014 The Kyua Authors.
// All rights reserved.
//
// 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.
// * Neither the name of Google Inc. nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// 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 COPYRIGHT
// OWNER 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.
/// \file utils/text/regex.hpp
/// Utilities to build and match regular expressions.
#if !defined(UTILS_TEXT_REGEX_HPP)
#define UTILS_TEXT_REGEX_HPP
#include "utils/text/regex_fwd.hpp"
#include <cstddef>
#include <memory>
namespace utils {
namespace text {
/// Container for regex match results.
class regex_matches {
struct impl;
/// Pointer to shared implementation.
std::shared_ptr< impl > _pimpl;
friend class regex;
regex_matches(std::shared_ptr< impl >);
public:
~regex_matches(void);
std::size_t count(void) const;
std::string get(const std::size_t) const;
operator bool(void) const;
};
/// Regular expression compiler and executor.
///
/// All regular expressions handled by this class are "extended".
class regex {
struct impl;
/// Pointer to shared implementation.
std::shared_ptr< impl > _pimpl;
regex(std::shared_ptr< impl >);
public:
~regex(void);
static regex compile(const std::string&, const std::size_t,
const bool = false);
regex_matches match(const std::string&) const;
};
regex_matches match_regex(const std::string&, const std::string&,
const std::size_t, const bool = false);
} // namespace text
} // namespace utils
#endif // !defined(UTILS_TEXT_REGEX_HPP)
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