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InteractiveTerminal.h
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InteractiveTerminal.h
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/*
* This file is part of btag.
*
* © 2010 Fernando Tarlá Cardoso Lemos
*
* Refer to the LICENSE file for licensing information.
*
*/
#ifndef INTERACTIVE_TERMINAL_H
#define INTERACTIVE_TERMINAL_H
#include <boost/optional.hpp>
#include <string>
class InteractiveTerminal
{
public:
template<typename T> class Validator
{
public:
virtual bool validate(const T &, boost::optional<std::wstring> &error_message) const = 0;
};
virtual bool ask_yes_no_question(const std::wstring &question,
const boost::optional<bool> &default_answer = boost::optional<bool>()) = 0;
virtual std::wstring ask_string_question(const std::wstring &question,
const boost::optional<std::wstring> &default_answer = boost::optional<std::wstring>(),
const Validator<std::wstring> *validator = NULL) = 0;
virtual int ask_number_question(const std::wstring &question,
const boost::optional<int> &default_answer = boost::optional<int>(),
const Validator<int> *validator = NULL) = 0;
virtual void display_info_message(const std::string &message) = 0;
virtual void display_info_message(const std::wstring &message) = 0;
virtual void display_warning_message(const std::string &message) = 0;
virtual void display_warning_message(const std::wstring &message) = 0;
};
#endif