75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
#pragma once
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#include "argument.hpp"
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#include "parser.tab.hh"
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#include "scanner.hpp"
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#include "usage.hpp"
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#include <iostream>
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#include <memory>
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#include <set>
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#include <string>
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namespace Grammar {
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class Driver {
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public:
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Driver();
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virtual ~Driver();
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void parse(const char *const filename);
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void parse(std::istream &iss);
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/*
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* functions to store data retrieved by grammar / parser
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*/
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void setProgramName(std::string programName);
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void setVersion(std::string version);
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void setLicense(std::string license);
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void setHelpAddendum(std::string addendum);
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void addUsage(Usage usage);
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void addRule(std::string ruleName, std::vector<std::string> options);
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void addArg(std::unique_ptr<Argument> argument);
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mstch::map getContext() const;
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std::string getSafeName() const;
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private:
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void parse_helper(std::istream &iss);
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Grammar::Parser *parser = nullptr;
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Grammar::Scanner *scanner = nullptr;
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bool usesAnyParameters() const;
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mstch::array generateArgumentTokens() const;
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mstch::map generateHelpToken() const;
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mstch::map generateVersionToken() const;
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mstch::map generateLicenseToken() const;
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mstch::array generateArgumentExplanation() const;
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mstch::array generateUsageList() const;
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mstch::array generateUsageRuleList() const;
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mstch::node getHelpAddendum() const;
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static std::string explainRule(const std::string &ruleName,
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const std::vector<std::string> &ruleOptions);
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static std::string spaceN(size_t spaceCount);
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mstch::map alignArg(Argument &arg) const;
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struct ArgumentComparator {
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bool operator()(const std::unique_ptr<Argument> &left,
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const std::unique_ptr<Argument> &right) const;
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};
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/*
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* specialised data store
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*/
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friend Argument;
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std::string programName, version, license;
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std::set<std::unique_ptr<Argument>, ArgumentComparator> arguments;
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std::optional<std::string> helpAddendum;
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std::vector<Usage> usages;
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std::vector<std::pair<std::string, std::vector<std::string>>> rules;
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size_t maxArgLength, maxParamLength;
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};
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} // namespace Grammar
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