celestia/src/celestia/url.h

91 lines
2.6 KiB
C++

// url.h
//
// Copyright (C) 2002-present, the Celestia Development Team
// Original version written by Chris Teyssier (chris@tux.teyssier.org)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
#pragma once
#include <map>
#include <string>
#include <string_view>
#include <Eigen/Geometry>
#include <celengine/observer.h>
#include <celengine/astro.h>
#include "celestiastate.h"
class CelestiaCore;
class Url
{
public:
constexpr static int CurrentVersion = 3;
/*! The TimeSource specifies what the time will be set to when the user
* activates the URL.
* - UseUrlTime indicates that the simulation time should be set to whatever
* value was stored in the URL.
* - UseSimulationTime means that the simulation time at activation is not
* changed.
* - UseSystemTime means that the simulation time will be set to whatever the
* current system time is when the URL is activated.
*/
enum TimeSource
{
UseUrlTime = 0,
UseSimulationTime = 1,
UseSystemTime = 2,
TimeSourceCount = 3,
};
Url(CelestiaCore *core);
Url(const CelestiaState& appState,
int version = CurrentVersion,
TimeSource timeSource = UseUrlTime);
Url(const Url&) = default;
Url(Url&&) = default;
Url& operator=(const Url&) = default;
Url& operator=(Url&&) = default;
~Url() = default;
static std::string getEncodedObjectName(const Selection& sel, const CelestiaCore* appCore);
static constexpr std::string_view proto();
static std::string decodeString(std::string_view);
static std::string encodeString(std::string_view);
bool parse(std::string_view);
bool goTo();
std::string getAsString() const;
private:
bool initVersion3(std::map<std::string_view, std::string> &params, std::string_view timeStr);
bool initVersion4(std::map<std::string_view, std::string> &params, std::string_view timeStr);
void evalName();
CelestiaState m_state;
std::string m_url;
std::string m_name;
astro::Date m_date;
CelestiaCore *m_appCore { nullptr };
ObserverFrame m_ref;
Selection m_selected;
Selection m_tracked;
int m_version { CurrentVersion };
TimeSource m_timeSource { UseUrlTime };
int m_nBodies { -1 };
bool m_valid { false };
};
constexpr std::string_view Url::proto()
{
return "cel://";
}