translate.hpp

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/*
 * Copyright (c) 2019-2024, 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/string_view.hpp>
#include <cudf/strings/strings_column_view.hpp>
 
#include <rmm/mr/device/per_device_resource.hpp>
#include <rmm/resource_ref.hpp>
 
#include <vector>
 
namespace cudf {
namespace strings {
std::unique_ptr<column> translate(
  strings_column_view const& input,
  std::vector<std::pair<char_utf8, char_utf8>> const& chars_table,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
 
enum class filter_type : bool {
  KEEP,   
  REMOVE  
};
 
std::unique_ptr<column> filter_characters(
  strings_column_view const& input,
  std::vector<std::pair<cudf::char_utf8, cudf::char_utf8>> characters_to_filter,
  filter_type keep_characters       = filter_type::KEEP,
  string_scalar const& replacement  = string_scalar(""),
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
  // end of doxygen group
}  // namespace strings
}  // namespace cudf