38 lines
1021 B
C
38 lines
1021 B
C
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#pragma once
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#ifndef MESSMER_CPPUTILS_IO_CONSOLE_H
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#define MESSMER_CPPUTILS_IO_CONSOLE_H
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#include <string>
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#include <vector>
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#include <iostream>
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#include <boost/optional.hpp>
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namespace cpputils {
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class Console {
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public:
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virtual unsigned int ask(const std::string &question, const std::vector<std::string> &options) = 0;
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virtual bool askYesNo(const std::string &question) = 0;
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virtual void print(const std::string &output) = 0;
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};
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class IOStreamConsole: public Console {
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public:
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IOStreamConsole();
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IOStreamConsole(std::ostream &output, std::istream &input);
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unsigned int ask(const std::string &question, const std::vector<std::string> &options) override;
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bool askYesNo(const std::string &question) override;
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void print(const std::string &output) override;
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private:
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template<typename Return>
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Return _askForChoice(const std::string &question, std::function<boost::optional<Return> (const std::string&)> parse);
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std::ostream &_output;
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std::istream &_input;
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};
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}
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#endif
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