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