1//
2// Copyright 2019 The Abseil Authors.
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8// https://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16#ifndef ABSL_FLAGS_INTERNAL_PARSE_H_
17#define ABSL_FLAGS_INTERNAL_PARSE_H_
18
19#include <string>
20#include <vector>
21
22#include "absl/flags/declare.h"
23
24ABSL_DECLARE_FLAG(std::vector<std::string>, flagfile);
25ABSL_DECLARE_FLAG(std::vector<std::string>, fromenv);
26ABSL_DECLARE_FLAG(std::vector<std::string>, tryfromenv);
27ABSL_DECLARE_FLAG(std::vector<std::string>, undefok);
28
29namespace absl {
30namespace flags_internal {
31
32enum class ArgvListAction { kRemoveParsedArgs, kKeepParsedArgs };
33enum class UsageFlagsAction { kHandleUsage, kIgnoreUsage };
34enum class OnUndefinedFlag {
35 kIgnoreUndefined,
36 kReportUndefined,
37 kAbortIfUndefined
38};
39
40std::vector<char*> ParseCommandLineImpl(int argc, char* argv[],
41 ArgvListAction arg_list_act,
42 UsageFlagsAction usage_flag_act,
43 OnUndefinedFlag on_undef_flag);
44
45} // namespace flags_internal
46} // namespace absl
47
48#endif // ABSL_FLAGS_INTERNAL_PARSE_H_
49