diff options
author | Marek Gilbert <mcg@google.com> | 2017-12-06 09:10:24 -0800 |
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committer | Marek Gilbert <mcg@google.com> | 2017-12-07 13:02:52 -0800 |
commit | 58ff30b73fee4b87228506a8ca9ecb0e2602474e (patch) | |
tree | 03802e9d04d6d573018bb23764387971d77cd914 /Firestore/third_party/abseil-cpp/absl/strings/match.cc | |
parent | ed26e832f60535229177cd0a0bdebd703e8c6dfb (diff) |
Import a subset of abseil sources
Diffstat (limited to 'Firestore/third_party/abseil-cpp/absl/strings/match.cc')
-rw-r--r-- | Firestore/third_party/abseil-cpp/absl/strings/match.cc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Firestore/third_party/abseil-cpp/absl/strings/match.cc b/Firestore/third_party/abseil-cpp/absl/strings/match.cc new file mode 100644 index 0000000..25bd7f0 --- /dev/null +++ b/Firestore/third_party/abseil-cpp/absl/strings/match.cc @@ -0,0 +1,40 @@ +// 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 +// +// 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. + +#include "absl/strings/match.h" + +#include "absl/strings/internal/memutil.h" + +namespace absl { + +namespace { +bool CaseEqual(absl::string_view piece1, absl::string_view piece2) { + return (piece1.size() == piece2.size() && + 0 == strings_internal::memcasecmp(piece1.data(), piece2.data(), + piece1.size())); + // memcasecmp uses ascii_tolower(). +} +} // namespace + +bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix) { + return (text.size() >= prefix.size()) && + CaseEqual(text.substr(0, prefix.size()), prefix); +} + +bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix) { + return (text.size() >= suffix.size()) && + CaseEqual(text.substr(text.size() - suffix.size()), suffix); +} + +} // namespace absl |