1 // Copyright (C) 2022 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_ABSL_PORTS_ASCII_STR_TO_LOWER_H_ 16 #define ICING_ABSL_PORTS_ASCII_STR_TO_LOWER_H_ 17 18 #include <string> 19 20 namespace icing { 21 namespace lib { 22 namespace absl_ports { 23 24 // Converts the characters in `s` to lowercase, changing the contents of `s`. 25 void AsciiStrToLower(std::string* s); 26 27 // Creates a lowercase string from a given std::string_view. AsciiStrToLower(std::string_view s)28inline std::string AsciiStrToLower(std::string_view s) { 29 std::string result(s); 30 AsciiStrToLower(&result); 31 return result; 32 } 33 34 } // namespace absl_ports 35 } // namespace lib 36 } // namespace icing 37 38 #endif // ICING_ABSL_PORTS_ASCII_TO_LOWER_H_ 39