damerau_levenshtein_distance.h (1271B)
1 // Copyright 2022 The Abseil Authors 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 // https://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 ABSL_STRINGS_INTERNAL_DAMERAU_LEVENSHTEIN_DISTANCE_H_ 16 #define ABSL_STRINGS_INTERNAL_DAMERAU_LEVENSHTEIN_DISTANCE_H_ 17 18 #include <cstdint> 19 20 #include "absl/strings/string_view.h" 21 22 namespace absl { 23 ABSL_NAMESPACE_BEGIN 24 namespace strings_internal { 25 // Calculate DamerauLevenshtein distance between two strings. 26 // When the distance is larger than cutoff, the code just returns cutoff + 1. 27 uint8_t CappedDamerauLevenshteinDistance(absl::string_view s1, 28 absl::string_view s2, uint8_t cutoff); 29 30 } // namespace strings_internal 31 ABSL_NAMESPACE_END 32 } // namespace absl 33 34 #endif // ABSL_STRINGS_INTERNAL_DAMERAU_LEVENSHTEIN_DISTANCE_H_