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