xref: /aosp_15_r20/external/icing/icing/transform/map/normalization-map.h (revision 8b6cd535a057e39b3b86660c4aa06c99747c2136)
1 // Copyright (C) 2019 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef ICING_TRANSFORM_MAP_NORMALIZATION_MAP_H_
16 #define ICING_TRANSFORM_MAP_NORMALIZATION_MAP_H_
17 
18 #include <unordered_map>
19 
20 namespace icing {
21 namespace lib {
22 
23 // Returns a map containing normalization mappings. A mapping (A -> B) means
24 // that we'll transform every character 'A' into 'B'. See normalization-map.cc
25 // for mapping details.
26 const std::unordered_map<char16_t, char16_t>* GetNormalizationMap();
27 
28 }  // namespace lib
29 }  // namespace icing
30 
31 #endif  // ICING_TRANSFORM_MAP_NORMALIZATION_MAP_H_
32