| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef STRING_HELPER_H_ |
| |
| #define STRING_HELPER_H_ |
| |
| #include <string> |
| #include <android-base/macros.h> |
| #include <vector> |
| |
| namespace android { |
| |
| struct StringHelper { |
| |
| enum Case { |
| // return original string |
| kNoCase = 0, |
| // use camelCase |
| kCamelCase = 1, |
| // use PascalCase |
| kPascalCase = 2, |
| // use UP_SNAKE_CASE |
| kUpperSnakeCase = 3, |
| // use low_snake_case |
| kLowerSnakeCase = 4 |
| }; |
| |
| // methods for a single word, like device |
| // UPPERCASE |
| static std::string Uppercase(const std::string &in); |
| // lowercase |
| static std::string Lowercase(const std::string &in); |
| // Capitalize |
| static std::string Capitalize(const std::string &in); |
| |
| // methods for a multi-word identifier, like framebuffer_device |
| static std::string ToCamelCase(const std::string &in); |
| static std::string ToPascalCase(const std::string &in); |
| static std::string ToUpperSnakeCase(const std::string &in); |
| static std::string ToLowerSnakeCase(const std::string &in); |
| static std::string ToCase(Case c, const std::string &in); |
| |
| static bool EndsWith(const std::string &in, const std::string &suffix); |
| static bool StartsWith(const std::string &in, const std::string &prefix); |
| |
| /* removes suffix once from in if in ends with suffix */ |
| static std::string RTrim(const std::string &in, const std::string &suffix); |
| |
| /* removes prefix once from in if in starts with prefix */ |
| static std::string LTrim(const std::string &in, const std::string &prefix); |
| |
| /* removes suffix repeatedly from in if in ends with suffix */ |
| static std::string RTrimAll(const std::string &in, const std::string &suffix); |
| |
| /* removes prefix repeatedly from in if in starts with prefix */ |
| static std::string LTrimAll(const std::string &in, const std::string &prefix); |
| |
| |
| static void SplitString( |
| const std::string &s, |
| char c, |
| std::vector<std::string> *components); |
| |
| static std::string JoinStrings( |
| const std::vector<std::string> &components, |
| const std::string &separator); |
| |
| private: |
| StringHelper() {} |
| |
| static void Tokenize(const std::string &in, |
| std::vector<std::string> *vec); |
| |
| DISALLOW_COPY_AND_ASSIGN(StringHelper); |
| }; |
| |
| } // namespace android |
| |
| #endif // STRING_HELPER_H_ |
| |