Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / third_party / abseil-cpp / absl / strings / match.h

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+//
+// 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.
+//
+// -----------------------------------------------------------------------------
+// File: match.h
+// -----------------------------------------------------------------------------
+//
+// This file contains simple utilities for performing string matching checks.
+// All of these function parameters are specified as `absl::string_view`,
+// meaning that these functions can accept `std::string`, `absl::string_view` or
+// nul-terminated C-style strings.
+//
+// Examples:
+//   std::string s = "foo";
+//   absl::string_view sv = "f";
+//   assert(absl::StrContains(s, sv));
+//
+// Note: The order of parameters in these functions is designed to mimic the
+// order an equivalent member function would exhibit;
+// e.g. `s.Contains(x)` ==> `absl::StrContains(s, x).
+#ifndef ABSL_STRINGS_MATCH_H_
+#define ABSL_STRINGS_MATCH_H_
+
+#include <cstring>
+
+#include "absl/strings/string_view.h"
+
+namespace absl {
+
+// StrContains()
+//
+// Returns whether a given string `haystack` contains the substring `needle`.
+inline bool StrContains(absl::string_view haystack, absl::string_view needle) {
+  return haystack.find(needle, 0) != haystack.npos;
+}
+
+// StartsWith()
+//
+// Returns whether a given string `text` begins with `prefix`.
+inline bool StartsWith(absl::string_view text, absl::string_view prefix) {
+  return prefix.empty() ||
+         (text.size() >= prefix.size() &&
+          memcmp(text.data(), prefix.data(), prefix.size()) == 0);
+}
+
+// EndsWith()
+//
+// Returns whether a given string `text` ends with `suffix`.
+inline bool EndsWith(absl::string_view text, absl::string_view suffix) {
+  return suffix.empty() ||
+         (text.size() >= suffix.size() &&
+          memcmp(text.data() + (text.size() - suffix.size()), suffix.data(),
+                 suffix.size()) == 0);
+}
+
+// EqualsIgnoreCase()
+//
+// Returns whether given ASCII strings `piece1` and `piece2` are equal, ignoring
+// case in the comparison.
+bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2);
+
+// StartsWithIgnoreCase()
+//
+// Returns whether a given ASCII string `text` starts with `prefix`,
+// ignoring case in the comparison.
+bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix);
+
+// EndsWithIgnoreCase()
+//
+// Returns whether a given ASCII string `text` ends with `suffix`, ignoring
+// case in the comparison.
+bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix);
+
+}  // namespace absl
+
+#endif  // ABSL_STRINGS_MATCH_H_