char_types_enum.hpp

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/*
 * Copyright (c) 2019-2022, NVIDIA CORPORATION.
 *
 * Licensed 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 <cstdint>
#include <type_traits>
 
namespace cudf {
namespace strings {
enum string_character_types : uint32_t {
  DECIMAL    = 1 << 0,                             
  NUMERIC    = 1 << 1,                             
  DIGIT      = 1 << 2,                             
  ALPHA      = 1 << 3,                             
  SPACE      = 1 << 4,                             
  UPPER      = 1 << 5,                             
  LOWER      = 1 << 6,                             
  ALPHANUM   = DECIMAL | NUMERIC | DIGIT | ALPHA,  
  CASE_TYPES = UPPER | LOWER,                      
  ALL_TYPES  = ALPHANUM | CASE_TYPES | SPACE       
};
 
constexpr string_character_types operator|(string_character_types lhs, string_character_types rhs)
{
  return static_cast<string_character_types>(
    static_cast<std::underlying_type_t<string_character_types>>(lhs) |
    static_cast<std::underlying_type_t<string_character_types>>(rhs));
}
 
constexpr string_character_types& operator|=(string_character_types& lhs,
                                             string_character_types rhs)
{
  lhs = static_cast<string_character_types>(
    static_cast<std::underlying_type_t<string_character_types>>(lhs) |
    static_cast<std::underlying_type_t<string_character_types>>(rhs));
  return lhs;
}
  // end of doxygen group
}  // namespace strings
}  // namespace cudf