stemmer.hpp

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/*
 * Copyright (c) 2020, 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 <cudf/column/column.hpp>
#include <cudf/scalar/scalar.hpp>
#include <cudf/strings/strings_column_view.hpp>
 
namespace nvtext {
enum class letter_type {
  CONSONANT,  
  VOWEL       
};
 
std::unique_ptr<cudf::column> is_letter(
  cudf::strings_column_view const& strings,
  letter_type ltype,
  cudf::size_type character_index,
  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
 
std::unique_ptr<cudf::column> is_letter(
  cudf::strings_column_view const& strings,
  letter_type ltype,
  cudf::column_view const& indices,
  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
 
std::unique_ptr<cudf::column> porter_stemmer_measure(
  cudf::strings_column_view const& strings,
  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
  // end of group
}  // namespace nvtext