mirror of https://github.com/xemu-project/xemu.git
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
#ifndef __VERIFLECT_ARG_PARSER_H__
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#define __VERIFLECT_ARG_PARSER_H__
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#include <iostream>
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#include <string>
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#include <unordered_map>
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#include <vector>
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class ArgParser {
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public:
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enum OptionType { OPTION_TYPE_UNDEFINED = 0, OPTION_TYPE_FLAG, OPTION_TYPE_STRING, OPTION_TYPE_INT, OPTION_TYPE_FLOAT };
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struct OptionValue {
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std::string str;
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union {
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int i32;
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float f32;
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};
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};
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struct Option {
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std::string short_name;
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std::string long_name;
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OptionType type;
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std::string desc;
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OptionValue value;
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OptionValue default_value;
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bool parsed;
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};
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ArgParser();
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~ArgParser();
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bool AddFlag(const std::string& short_name, const std::string& long_name, const std::string& desc);
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bool AddOptionString(const std::string& short_name, const std::string& long_name, const std::string& desc,
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const std::string& default_value = "");
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bool AddOptionInt(const std::string& short_name, const std::string& long_name, const std::string& desc, int default_value = 0);
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bool AddOptionFloat(const std::string& short_name, const std::string& long_name, const std::string& desc,
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float default_value = 0);
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bool Parse(int argc, char** argv, std::ostream& os);
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size_t GetArgCount() const;
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bool GetArg(size_t i, std::string* p_value) const;
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const std::vector<std::string>& GetArgs() const;
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bool GetFlag(const std::string& short_name, const std::string& long_name) const;
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bool GetString(const std::string& short_name, const std::string& long_name, std::string* p_value) const;
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bool GetInt(const std::string& short_name, const std::string& long_name, int* p_value) const;
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bool GetFloat(const std::string& short_name, const std::string& long_name, float* p_value) const;
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void PrintHelp(std::ostream& os);
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private:
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ArgParser::Option* FindOptionByShortName(const std::string& short_name);
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const ArgParser::Option* FindOptionByShortName(const std::string& short_name) const;
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ArgParser::Option* FindOptionByLongName(const std::string& long_name);
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const ArgParser::Option* FindOptionByLongName(const std::string& long_name) const;
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private:
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std::vector<ArgParser::Option> m_options;
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std::vector<std::string> m_args;
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};
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#endif // __VERIFLECT_ARG_PARSER_H__
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