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author | Elliott Hughes <enh@google.com> | 2015-12-07 14:31:13 -0800 |
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committer | Elliott Hughes <enh@google.com> | 2015-12-07 14:31:53 -0800 |
commit | f2584be414037aaab9e344bc9f65872da624d9f0 (patch) | |
tree | 1d2643eec68c8d8b03ccd6cabf9856182e197708 /base/include/android-base/strings.h | |
parent | d1379a8aedb7b80edac8849d2e64ceffa409632e (diff) | |
download | system_core-f2584be414037aaab9e344bc9f65872da624d9f0.tar.gz system_core-f2584be414037aaab9e344bc9f65872da624d9f0.tar.bz2 system_core-f2584be414037aaab9e344bc9f65872da624d9f0.zip |
Rename base/ to android-base/.
Bug: http://b/26023797
Change-Id: Ie6c63bf86bed05faab87d290de6f34d9af3532a8
Diffstat (limited to 'base/include/android-base/strings.h')
-rw-r--r-- | base/include/android-base/strings.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/base/include/android-base/strings.h b/base/include/android-base/strings.h new file mode 100644 index 000000000..20da144a4 --- /dev/null +++ b/base/include/android-base/strings.h @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2015 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 BASE_STRINGS_H +#define BASE_STRINGS_H + +#include <sstream> +#include <string> +#include <vector> + +namespace android { +namespace base { + +// Splits a string into a vector of strings. +// +// The string is split at each occurrence of a character in delimiters. +// +// The empty string is not a valid delimiter list. +std::vector<std::string> Split(const std::string& s, + const std::string& delimiters); + +// Trims whitespace off both ends of the given string. +std::string Trim(const std::string& s); + +// Joins a container of things into a single string, using the given separator. +template <typename ContainerT, typename SeparatorT> +std::string Join(const ContainerT& things, SeparatorT separator) { + if (things.empty()) { + return ""; + } + + std::ostringstream result; + result << *things.begin(); + for (auto it = std::next(things.begin()); it != things.end(); ++it) { + result << separator << *it; + } + return result.str(); +} + +// We instantiate the common cases in strings.cpp. +extern template std::string Join(const std::vector<std::string>&, char); +extern template std::string Join(const std::vector<const char*>&, char); +extern template std::string Join(const std::vector<std::string>&, const std::string&); +extern template std::string Join(const std::vector<const char*>&, const std::string&); + +// Tests whether 's' starts with 'prefix'. +bool StartsWith(const std::string& s, const char* prefix); + +// Tests whether 's' ends with 'suffix'. +bool EndsWith(const std::string& s, const char* suffix); + +} // namespace base +} // namespace android + +#endif // BASE_STRINGS_H |