stemmer.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2020-2024, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once
 
#include <cudf/column/column.hpp>
#include <cudf/scalar/scalar.hpp>
#include <cudf/strings/strings_column_view.hpp>
#include <cudf/utilities/export.hpp>
#include <cudf/utilities/memory_resource.hpp>
 
namespace CUDF_EXPORT nvtext {
enum class letter_type {
  CONSONANT,  
  VOWEL       
};
 
std::unique_ptr<cudf::column> is_letter(
  cudf::strings_column_view const& input,
  letter_type ltype,
  cudf::size_type character_index,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<cudf::column> is_letter(
  cudf::strings_column_view const& input,
  letter_type ltype,
  cudf::column_view const& indices,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<cudf::column> porter_stemmer_measure(
  cudf::strings_column_view const& input,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
  // end of group
}  // namespace CUDF_EXPORT nvtext