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#pragma clang system_header
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include <cassert>
#include <initializer_list>
#include <regex>
#include <string_view>
#include <type_traits>
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/util/visibility.h"
namespace arrow20 {
namespace internal {
/// Match regex against target and produce string_views out of matches.
inline bool RegexMatch(const std::regex& regex, std::string_view target,
std::initializer_list<std::string_view*> out_matches) {
assert(regex.mark_count() == out_matches.size());
std::match_results<decltype(target.begin())> match;
if (!std::regex_match(target.begin(), target.end(), match, regex)) {
return false;
}
// Match #0 is the whole matched sequence
assert(regex.mark_count() + 1 == match.size());
auto out_it = out_matches.begin();
for (size_t i = 1; i < match.size(); ++i) {
**out_it++ = target.substr(match.position(i), match.length(i));
}
return true;
}
} // namespace internal
} // namespace arrow20
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