mirror of
https://github.com/TomHarte/CLK.git
synced 2024-11-02 16:04:59 +00:00
99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
//
|
|
// Configurable.h
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 17/11/2017.
|
|
// Copyright 2017 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#ifndef Configurable_h
|
|
#define Configurable_h
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace Configurable {
|
|
|
|
/*!
|
|
The Option class hierarchy provides a way for components, machines, etc, to provide a named
|
|
list of typed options to which they can respond.
|
|
*/
|
|
struct Option {
|
|
std::string long_name;
|
|
std::string short_name;
|
|
virtual ~Option() {}
|
|
|
|
Option(const std::string &long_name, const std::string &short_name) : long_name(long_name), short_name(short_name) {}
|
|
|
|
virtual bool operator==(const Option &rhs) {
|
|
return long_name == rhs.long_name && short_name == rhs.short_name;
|
|
}
|
|
};
|
|
|
|
struct BooleanOption: public Option {
|
|
BooleanOption(const std::string &long_name, const std::string &short_name) : Option(long_name, short_name) {}
|
|
};
|
|
|
|
struct ListOption: public Option {
|
|
std::vector<std::string> options;
|
|
ListOption(const std::string &long_name, const std::string &short_name, const std::vector<std::string> &options) : Option(long_name, short_name), options(options) {}
|
|
|
|
virtual bool operator==(const Option &rhs) {
|
|
const ListOption *list_rhs = dynamic_cast<const ListOption *>(&rhs);
|
|
if(!list_rhs) return false;
|
|
return long_name == rhs.long_name && short_name == rhs.short_name && options == list_rhs->options;
|
|
}
|
|
};
|
|
|
|
struct BooleanSelection;
|
|
struct ListSelection;
|
|
|
|
/*!
|
|
Selections are responses to Options.
|
|
*/
|
|
struct Selection {
|
|
virtual ~Selection() {}
|
|
virtual ListSelection *list_selection() = 0;
|
|
virtual BooleanSelection *boolean_selection() = 0;
|
|
};
|
|
|
|
struct BooleanSelection: public Selection {
|
|
bool value;
|
|
|
|
ListSelection *list_selection();
|
|
BooleanSelection *boolean_selection();
|
|
BooleanSelection(bool value) : value(value) {}
|
|
};
|
|
|
|
struct ListSelection: public Selection {
|
|
std::string value;
|
|
|
|
ListSelection *list_selection();
|
|
BooleanSelection *boolean_selection();
|
|
ListSelection(const std::string value) : value(value) {}
|
|
};
|
|
|
|
using SelectionSet = std::map<std::string, std::unique_ptr<Selection>>;
|
|
|
|
/*!
|
|
A Configuratble provides the options that it responds to and allows selections to be set.
|
|
*/
|
|
struct Device {
|
|
virtual std::vector<std::unique_ptr<Option>> get_options() = 0;
|
|
virtual void set_selections(const SelectionSet &selection_by_option) = 0;
|
|
virtual SelectionSet get_accurate_selections() = 0;
|
|
virtual SelectionSet get_user_friendly_selections() = 0;
|
|
};
|
|
|
|
template <typename T> T *selection(const Configurable::SelectionSet &selections_by_option, const std::string &name) {
|
|
auto selection = selections_by_option.find(name);
|
|
if(selection == selections_by_option.end()) return nullptr;
|
|
return dynamic_cast<T *>(selection->second.get());
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* Configurable_h */
|