be/src/vec/functions/url/tldLookup.h

// 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.
// This file is copied from
// https://github.com/ClickHouse/ClickHouse/blob/master/src/Functions/URL/tldLookup.h
// and modified by Doris

#pragma once

#include <cstdlib>

// Definition of the class generated by gperf, present on gperf/tldLookup.gperf
class TopLevelDomainLookupHash {
private:
    static inline unsigned int hash(const char* str, size_t len);

public:
    static const char* is_valid(const char* str, size_t len);
};

using tldLookup = TopLevelDomainLookupHash;