MPD 0.20.6

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Action.hxx
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1 /*
2 * Copyright 2003-2017 The Music Player Daemon Project
3 * http://www.musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifndef MPD_UPNP_ACTION_HXX
21 #define MPD_UPNP_ACTION_HXX
22
23 #include "Compiler.h"
24
25 #include <upnp/upnptools.h>
26
27 static inline constexpr unsigned
28 CountNameValuePairs()
29 {
30 return 0;
31 }
32
33 template<typename... Args>
34 static inline constexpr unsigned
35 CountNameValuePairs(gcc_unused const char *name, gcc_unused const char *value,
36 Args... args)
37 {
38 return 1 + CountNameValuePairs(args...);
39 }
40
45 template<typename... Args>
46 static inline IXML_Document *
47 MakeActionHelper(const char *action_name, const char *service_type,
48 Args... args)
49 {
50 const unsigned n = CountNameValuePairs(args...);
51 return UpnpMakeAction(action_name, service_type, n,
52 args...,
53 nullptr, nullptr);
54 }
55
56 #endif
CountNameValuePairs
static constexpr unsigned CountNameValuePairs()
Definition: Action.hxx:28
MakeActionHelper
static IXML_Document * MakeActionHelper(const char *action_name, const char *service_type, Args...args)
A wrapper for UpnpMakeAction() that counts the number of name/value pairs and adds the nullptr sentin...
Definition: Action.hxx:47
Compiler.h
gcc_unused
#define gcc_unused
Definition: Compiler.h:118
name
const Partition const char * name
Definition: Count.hxx:34