| // Copyright 2017 The Abseil Authors. |
| // |
| // 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 |
| // |
| // https://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. |
| |
| #include "absl/strings/match.h" |
| |
| #include "absl/strings/internal/memutil.h" |
| |
| namespace absl { |
| |
| bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2) { |
| return (piece1.size() == piece2.size() && |
| 0 == absl::strings_internal::memcasecmp(piece1.data(), piece2.data(), |
| piece1.size())); |
| // memcasecmp uses absl::ascii_tolower(). |
| } |
| |
| bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix) { |
| return (text.size() >= prefix.size()) && |
| EqualsIgnoreCase(text.substr(0, prefix.size()), prefix); |
| } |
| |
| bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix) { |
| return (text.size() >= suffix.size()) && |
| EqualsIgnoreCase(text.substr(text.size() - suffix.size()), suffix); |
| } |
| |
| } // namespace absl |
