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//
// Copyright 2020 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.
#ifndef ABSL_FLAGS_INTERNAL_PRIVATE_HANDLE_ACCESSOR_H_
#define ABSL_FLAGS_INTERNAL_PRIVATE_HANDLE_ACCESSOR_H_
#include <memory>
#include <string>
#include "absl/base/config.h"
#include "absl/flags/commandlineflag.h"
#include "absl/flags/internal/commandlineflag.h"
#include "absl/strings/string_view.h"
namespace absl {
ABSL_NAMESPACE_BEGIN
namespace flags_internal {
// This class serves as a trampoline to access private methods of
// CommandLineFlag. This class is intended for use exclusively internally inside
// of the Abseil Flags implementation.
class PrivateHandleAccessor {
public:
// Access to CommandLineFlag::TypeId.
static FlagFastTypeId TypeId(const CommandLineFlag& flag);
// Access to CommandLineFlag::SaveState.
static std::unique_ptr<FlagStateInterface> SaveState(CommandLineFlag& flag);
// Access to CommandLineFlag::IsSpecifiedOnCommandLine.
static bool IsSpecifiedOnCommandLine(const CommandLineFlag& flag);
// Access to CommandLineFlag::ValidateInputValue.
static bool ValidateInputValue(const CommandLineFlag& flag,
absl::string_view value);
// Access to CommandLineFlag::CheckDefaultValueParsingRoundtrip.
static void CheckDefaultValueParsingRoundtrip(const CommandLineFlag& flag);
static bool ParseFrom(CommandLineFlag& flag, absl::string_view value,
flags_internal::FlagSettingMode set_mode,
flags_internal::ValueSource source, std::string& error);
};
} // namespace flags_internal
ABSL_NAMESPACE_END
} // namespace absl
#endif // ABSL_FLAGS_INTERNAL_PRIVATE_HANDLE_ACCESSOR_H_
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