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/*
* Copyright (C) 2019 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 ART_LIBARTBASE_BASE_STRING_VIEW_CPP20_H_
#define ART_LIBARTBASE_BASE_STRING_VIEW_CPP20_H_
#include <string_view>
namespace art {
// When this code is only compiled on C++20+, these wrappers can be removed and
// calling code changed to call the string_view methods directly.
inline bool StartsWith(std::string_view sv, std::string_view prefix) {
#if !defined(__cpp_lib_starts_ends_with) || __cpp_lib_starts_ends_with < 201711L
return sv.substr(0u, prefix.size()) == prefix;
#else
return sv.starts_with(prefix);
#endif
}
inline bool EndsWith(std::string_view sv, std::string_view suffix) {
#if !defined(__cpp_lib_starts_ends_with) || __cpp_lib_starts_ends_with < 201711L
return sv.size() >= suffix.size() && sv.substr(sv.size() - suffix.size()) == suffix;
#else
return sv.ends_with(suffix);
#endif
}
} // namespace art
#endif // ART_LIBARTBASE_BASE_STRING_VIEW_CPP20_H_
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