xref: /aosp_15_r20/external/icing/icing/query/query-terms.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_QUERY_QUERY_TERMS_H_
16 #define ICING_QUERY_QUERY_TERMS_H_
17 
18 #include <memory>
19 #include <string>
20 #include <unordered_map>
21 #include <unordered_set>
22 
23 #include "icing/index/iterator/doc-hit-info-iterator.h"
24 
25 namespace icing {
26 namespace lib {
27 
28 // A map from section names to sets of terms restricted to those sections.
29 // Query terms that are not restricted are found at the entry with key "".
30 using SectionRestrictQueryTermsMap =
31     std::unordered_map<std::string, std::unordered_set<std::string>>;
32 
33 // A map from query terms to a DocHitInfoIterator for that term.
34 using QueryTermIteratorsMap =
35     std::unordered_map<std::string, std::unique_ptr<DocHitInfoIterator>>;
36 
37 }  // namespace lib
38 }  // namespace icing
39 
40 #endif  // ICING_QUERY_QUERY_TERMS_H_
41