mpd/src/db/LightDirectory.hxx
2023-03-06 14:59:48 +01:00

44 lines
1.0 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#ifndef MPD_LIGHT_DIRECTORY_HXX
#define MPD_LIGHT_DIRECTORY_HXX
#include <chrono>
#include <string>
struct Tag;
/**
* A reference to a directory. Unlike the #Directory class, this one
* consists only of pointers. It is supposed to be as light as
* possible while still providing all the information MPD has about a
* directory. This class does not manage any memory, and the pointers
* become invalid quickly. Only to be used to pass around during
* well-defined situations.
*/
struct LightDirectory {
const char *uri;
std::chrono::system_clock::time_point mtime;
constexpr LightDirectory(const char *_uri,
std::chrono::system_clock::time_point _mtime)
:uri(_uri), mtime(_mtime) {}
static constexpr LightDirectory Root() noexcept {
return LightDirectory("", std::chrono::system_clock::time_point::min());
}
bool IsRoot() const noexcept {
return *uri == 0;
}
[[gnu::pure]]
const char *GetPath() const noexcept {
return uri;
}
};
#endif