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/base/config.h" 23 #include "absl/flags/declare.h" 24 25 ABSL_DECLARE_FLAG(std::vector<std::string>, flagfile); 26 ABSL_DECLARE_FLAG(std::vector<std::string>, fromenv); 27 ABSL_DECLARE_FLAG(std::vector<std::string>, tryfromenv); 28 ABSL_DECLARE_FLAG(std::vector<std::string>, undefok); 29 30 namespace absl { 31 ABSL_NAMESPACE_BEGIN 32 namespace flags_internal { 33 34 enum class ArgvListAction { kRemoveParsedArgs, kKeepParsedArgs }; 35 enum class UsageFlagsAction { kHandleUsage, kIgnoreUsage }; 36 enum class OnUndefinedFlag { 37 kIgnoreUndefined, 38 kReportUndefined, 39 kAbortIfUndefined 40 }; 41 42 std::vector<char*> ParseCommandLineImpl(int argc, char* argv[], 43 ArgvListAction arg_list_act, 44 UsageFlagsAction usage_flag_act, 45 OnUndefinedFlag on_undef_flag); 46 47 } // namespace flags_internal 48 ABSL_NAMESPACE_END 49 } // namespace absl 50 51 #endif // ABSL_FLAGS_INTERNAL_PARSE_H_ 52