50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
/*
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* Created by Brett Terpstra 6920201 on 14/10/22.
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* Copyright (c) Brett Terpstra 2022 All Rights Reserved
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*/
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#ifndef STEP_2_PARSER_H
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#define STEP_2_PARSER_H
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#include "std.h"
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namespace Raytracing {
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/**
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* The parser class is used to parse incoming values from the commandline.
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* It is not required that you use it for provided values
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* and in fact should work for values provided via stdin
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* however they must be provided in single line SSV char* form.
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*/
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class Parser {
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private:
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std::unordered_map<std::string, std::string> raw_values;
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std::unordered_map<std::string, std::string> defaultValues;
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std::vector<std::string> descriptions;
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public:
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Parser();
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// Adds an option (or options) with default values.
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// default value defaults to an empty string and will not be added
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// useful if you want to add a description to the help menu.
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void addOption(const std::string& option, const std::string& description, const std::string& defaultValue = "");
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void addOption(const std::vector<std::string>& options, const std::string& description, const std::string& defaultValue = "");
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// returns true if the option provided is different from the default option.
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bool hasOptionChanged(const std::string& option);
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// checks if the option has been provided to the parser
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bool hasOption(const std::string& option);
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// check if any of the options exist, only use for checking options that lead to the same path
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// as this will return true at first option.
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bool hasOption(const std::vector<std::string>& options);
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// does not check to see if the option exists.
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std::string getOptionValue(const std::string& option);
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// parse the options from args
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int parse(char** args, int argc);
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void printDifferenceInInfo();
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void printAllInInfo();
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};
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}
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#endif //STEP_2_PARSER_H
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