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-rw-r--r--third_party/abseil_cpp/absl/strings/strip.h91
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diff --git a/third_party/abseil_cpp/absl/strings/strip.h b/third_party/abseil_cpp/absl/strings/strip.h
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--- a/third_party/abseil_cpp/absl/strings/strip.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: strip.h
-// -----------------------------------------------------------------------------
-//
-// This file contains various functions for stripping substrings from a string.
-#ifndef ABSL_STRINGS_STRIP_H_
-#define ABSL_STRINGS_STRIP_H_
-
-#include <cstddef>
-#include <string>
-
-#include "absl/base/macros.h"
-#include "absl/strings/ascii.h"
-#include "absl/strings/match.h"
-#include "absl/strings/string_view.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-
-// ConsumePrefix()
-//
-// Strips the `expected` prefix from the start of the given string, returning
-// `true` if the strip operation succeeded or false otherwise.
-//
-// Example:
-//
-//   absl::string_view input("abc");
-//   EXPECT_TRUE(absl::ConsumePrefix(&input, "a"));
-//   EXPECT_EQ(input, "bc");
-inline bool ConsumePrefix(absl::string_view* str, absl::string_view expected) {
-  if (!absl::StartsWith(*str, expected)) return false;
-  str->remove_prefix(expected.size());
-  return true;
-}
-// ConsumeSuffix()
-//
-// Strips the `expected` suffix from the end of the given string, returning
-// `true` if the strip operation succeeded or false otherwise.
-//
-// Example:
-//
-//   absl::string_view input("abcdef");
-//   EXPECT_TRUE(absl::ConsumeSuffix(&input, "def"));
-//   EXPECT_EQ(input, "abc");
-inline bool ConsumeSuffix(absl::string_view* str, absl::string_view expected) {
-  if (!absl::EndsWith(*str, expected)) return false;
-  str->remove_suffix(expected.size());
-  return true;
-}
-
-// StripPrefix()
-//
-// Returns a view into the input string 'str' with the given 'prefix' removed,
-// but leaving the original string intact. If the prefix does not match at the
-// start of the string, returns the original string instead.
-ABSL_MUST_USE_RESULT inline absl::string_view StripPrefix(
-    absl::string_view str, absl::string_view prefix) {
-  if (absl::StartsWith(str, prefix)) str.remove_prefix(prefix.size());
-  return str;
-}
-
-// StripSuffix()
-//
-// Returns a view into the input string 'str' with the given 'suffix' removed,
-// but leaving the original string intact. If the suffix does not match at the
-// end of the string, returns the original string instead.
-ABSL_MUST_USE_RESULT inline absl::string_view StripSuffix(
-    absl::string_view str, absl::string_view suffix) {
-  if (absl::EndsWith(str, suffix)) str.remove_suffix(suffix.size());
-  return str;
-}
-
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_STRINGS_STRIP_H_