mpd/src/lib/dbus/ObjectManager.hxx
2020-01-18 19:23:49 +01:00

74 lines
1.9 KiB
C++

/*
* Copyright 2003-2020 The Music Player Daemon Project
* http://www.musicpd.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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef ODBUS_OBJECT_MANAGER_HXX
#define ODBUS_OBJECT_MANAGER_HXX
#include "ReadIter.hxx"
#include "Types.hxx"
#include <dbus/dbus.h>
#define DBUS_OM_INTERFACE "org.freedesktop.DBus.ObjectManager"
namespace ODBus {
using PropertiesType =
ArrayTypeTraits<DictEntryTypeTraits<StringTypeTraits,
VariantTypeTraits>>;
using InterfacesType =
ArrayTypeTraits<DictEntryTypeTraits<StringTypeTraits,
PropertiesType>>;
using InterfacesAddedType =
ConcatTypeAsString<ObjectPathTypeTraits,
InterfacesType>;
using InterfacesRemovedType = ConcatTypeAsString<ObjectPathTypeTraits,
ArrayTypeTraits<StringTypeTraits>>;
template<typename F>
inline void
RecurseInterfaceDictEntry(ReadMessageIter &&i, F &&f)
{
if (i.GetArgType() != DBUS_TYPE_OBJECT_PATH)
return;
const char *path = i.GetString();
i.Next();
if (i.GetArgType() != DBUS_TYPE_ARRAY)
return;
f(path, i.Recurse());
}
template<typename F>
inline void
ForEachInterface(ReadMessageIter &&i, F &&f)
{
i.ForEachRecurse(DBUS_TYPE_DICT_ENTRY, [&f](auto &&j){
RecurseInterfaceDictEntry(std::move(j), f);
});
}
}
#endif