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73 lines
2.5 KiB
73 lines
2.5 KiB
/* |
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* Copyright (C) 2015 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 ANDROID_BASE_STRINGS_H |
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#define ANDROID_BASE_STRINGS_H |
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#include <sstream> |
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#include <string> |
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#include <vector> |
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namespace android { |
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namespace base { |
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// Splits a string into a vector of strings. |
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// |
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// The string is split at each occurrence of a character in delimiters. |
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// |
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// The empty string is not a valid delimiter list. |
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std::vector<std::string> Split(const std::string& s, |
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const std::string& delimiters); |
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// Trims whitespace off both ends of the given string. |
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std::string Trim(const std::string& s); |
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// Joins a container of things into a single string, using the given separator. |
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template <typename ContainerT, typename SeparatorT> |
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std::string Join(const ContainerT& things, SeparatorT separator) { |
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if (things.empty()) { |
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return ""; |
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} |
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std::ostringstream result; |
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result << *things.begin(); |
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for (auto it = std::next(things.begin()); it != things.end(); ++it) { |
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result << separator << *it; |
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} |
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return result.str(); |
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} |
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// We instantiate the common cases in strings.cpp. |
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extern template std::string Join(const std::vector<std::string>&, char); |
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extern template std::string Join(const std::vector<const char*>&, char); |
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extern template std::string Join(const std::vector<std::string>&, const std::string&); |
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extern template std::string Join(const std::vector<const char*>&, const std::string&); |
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// Tests whether 's' starts with 'prefix'. |
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bool StartsWith(const std::string& s, const char* prefix); |
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bool StartsWithIgnoreCase(const std::string& s, const char* prefix); |
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// Tests whether 's' ends with 'suffix'. |
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bool EndsWith(const std::string& s, const char* suffix); |
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bool EndsWithIgnoreCase(const std::string& s, const char* suffix); |
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// Tests whether 'lhs' equals 'rhs', ignoring case. |
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bool EqualsIgnoreCase(const std::string& lhs, const std::string& rhs); |
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} // namespace base |
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} // namespace android |
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#endif // ANDROID_BASE_STRINGS_H
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