strings/extract.hpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2019-2023, NVIDIA CORPORATION.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #pragma once
17 
18 #include <cudf/strings/regex/flags.hpp>
20 #include <cudf/table/table.hpp>
21 
22 #include <rmm/mr/device/per_device_resource.hpp>
23 
24 namespace cudf {
25 namespace strings {
26 
27 struct regex_program;
28 
62 std::unique_ptr<table> extract(
63  strings_column_view const& input,
64  regex_program const& prog,
65  rmm::cuda_stream_view stream = cudf::get_default_stream(),
66  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
67 
98 std::unique_ptr<column> extract_all_record(
99  strings_column_view const& input,
100  regex_program const& prog,
101  rmm::cuda_stream_view stream = cudf::get_default_stream(),
102  rmm::mr::device_memory_resource* mr = rmm::mr::get_current_device_resource());
103  // end of doxygen group
105 } // namespace strings
106 } // namespace cudf
Given a column-view of strings type, an instance of this class provides a wrapper on this compound co...
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
std::unique_ptr< column > extract_all_record(strings_column_view const &input, regex_program const &prog, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
Returns a lists column of strings where each string column row corresponds to the matching group spec...
std::unique_ptr< table > extract(strings_column_view const &input, regex_program const &prog, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
Returns a table of strings columns where each column corresponds to the matching group specified in t...
cuDF interfaces
Definition: aggregation.hpp:34
Class definition for cudf::strings_column_view.
Regex program class.
Class definition for cudf::table.