tvl-depot/third_party/abseil_cpp/absl/flags/internal/parse.h
Vincent Ambo fc8dc48020 Add 'third_party/abseil_cpp/' from commit '768eb2ca2857342673fcd462792ce04b8bac3fa3'
git-subtree-dir: third_party/abseil_cpp
git-subtree-mainline: ffb2ae54be
git-subtree-split: 768eb2ca28
2020-05-20 02:32:24 +01:00

58 lines
2 KiB
C++

//
// Copyright 2019 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_PARSE_H_
#define ABSL_FLAGS_INTERNAL_PARSE_H_
#include <string>
#include <vector>
#include "absl/base/config.h"
#include "absl/flags/declare.h"
ABSL_DECLARE_FLAG(std::vector<std::string>, flagfile);
ABSL_DECLARE_FLAG(std::vector<std::string>, fromenv);
ABSL_DECLARE_FLAG(std::vector<std::string>, tryfromenv);
ABSL_DECLARE_FLAG(std::vector<std::string>, undefok);
namespace absl {
ABSL_NAMESPACE_BEGIN
namespace flags_internal {
enum class ArgvListAction { kRemoveParsedArgs, kKeepParsedArgs };
enum class UsageFlagsAction { kHandleUsage, kIgnoreUsage };
enum class OnUndefinedFlag {
kIgnoreUndefined,
kReportUndefined,
kAbortIfUndefined
};
std::vector<char*> ParseCommandLineImpl(int argc, char* argv[],
ArgvListAction arg_list_act,
UsageFlagsAction usage_flag_act,
OnUndefinedFlag on_undef_flag);
// --------------------------------------------------------------------
// Inspect original command line
// Returns true if flag with specified name was either present on the original
// command line or specified in flag file present on the original command line.
bool WasPresentOnCommandLine(absl::string_view flag_name);
} // namespace flags_internal
ABSL_NAMESPACE_END
} // namespace absl
#endif // ABSL_FLAGS_INTERNAL_PARSE_H_