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diff --git a/src/option-parser.h b/src/option-parser.h
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-/*
- * Copyright 2016 WebAssembly Community Group participants
- *
- * 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
- *
- * http://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 WABT_OPTION_PARSER_H_
-#define WABT_OPTION_PARSER_H_
-
-#include <functional>
-#include <string>
-#include <vector>
-
-#include "src/common.h"
-
-namespace wabt {
-
-class OptionParser {
- public:
- enum class HasArgument { No, Yes };
- enum class ArgumentCount { One, OneOrMore, ZeroOrMore };
-
- struct Option;
- typedef std::function<void(const char*)> Callback;
- typedef std::function<void()> NullCallback;
-
- struct Option {
- Option(char short_name,
- const std::string& long_name,
- const std::string& metavar,
- HasArgument has_argument,
- const std::string& help,
- const Callback&);
-
- char short_name;
- std::string long_name;
- std::string metavar;
- bool has_argument;
- std::string help;
- Callback callback;
- };
-
- struct Argument {
- Argument(const std::string& name, ArgumentCount, const Callback&);
-
- std::string name;
- ArgumentCount count;
- Callback callback;
- int handled_count = 0;
- };
-
- explicit OptionParser(const char* program_name, const char* description);
-
- void AddOption(const Option&);
- void AddArgument(const std::string& name, ArgumentCount, const Callback&);
- void SetErrorCallback(const Callback&);
- void Parse(int argc, char* argv[]);
- void PrintHelp();
-
- // Helper functions.
- void AddOption(char short_name,
- const char* long_name,
- const char* help,
- const NullCallback&);
- void AddOption(const char* long_name, const char* help, const NullCallback&);
- void AddOption(char short_name,
- const char* long_name,
- const char* metavar,
- const char* help,
- const Callback&);
-
- private:
- static int Match(const char* s, const std::string& full, bool has_argument);
- void WABT_PRINTF_FORMAT(2, 3) Errorf(const char* format, ...);
- void HandleArgument(size_t* arg_index, const char* arg_value);
-
- // Print the error and exit(1).
- void DefaultError(const std::string&);
-
- std::string program_name_;
- std::string description_;
- std::vector<Option> options_;
- std::vector<Argument> arguments_;
- Callback on_error_;
-};
-
-} // namespace wabt
-
-#endif /* WABT_OPTION_PARSER_H_ */