2 // Copyright 2019 The Abseil Authors.
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
8 // https://www.apache.org/licenses/LICENSE-2.0
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.
16 #ifndef ABSL_FLAGS_INTERNAL_PARSE_H_
17 #define ABSL_FLAGS_INTERNAL_PARSE_H_
22 #include "absl/flags/declare.h"
24 ABSL_DECLARE_FLAG(std::vector<std::string>, flagfile);
25 ABSL_DECLARE_FLAG(std::vector<std::string>, fromenv);
26 ABSL_DECLARE_FLAG(std::vector<std::string>, tryfromenv);
27 ABSL_DECLARE_FLAG(std::vector<std::string>, undefok);
30 namespace flags_internal {
32 enum class ArgvListAction { kRemoveParsedArgs, kKeepParsedArgs };
33 enum class UsageFlagsAction { kHandleUsage, kIgnoreUsage };
34 enum class OnUndefinedFlag {
40 std::vector<char*> ParseCommandLineImpl(int argc, char* argv[],
41 ArgvListAction arg_list_act,
42 UsageFlagsAction usage_flag_act,
43 OnUndefinedFlag on_undef_flag);
45 } // namespace flags_internal
48 #endif // ABSL_FLAGS_INTERNAL_PARSE_H_