/* Copyright (C) 2014 J.F.Dockes
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _UPMPDUTILS_H_X_INCLUDED_
#define _UPMPDUTILS_H_X_INCLUDED_
#include <string>
#include <unordered_map>
#include <vector>
#include <unordered_set>
namespace UPnPClient {
class UPnPDirObject;
};
// This was originally purely a translation of data from mpd. Extended
// to general purpose track/container descriptor
class UpSong {
public:
UpSong()
: duration_secs(0), mpdid(0),
iscontainer(false), searchable(false) {
}
void clear() {
*this = UpSong();
}
std::string id;
std::string parentid;
std::string uri;
std::string name; // only set for radios apparently.
std::string artist; // Reused as annot for containers
std::string album;
std::string title;
std::string tracknum;
std::string genre;
std::string artUri;
unsigned int duration_secs;
int mpdid;
bool iscontainer;
bool searchable;
std::string dump() {
return std::string("Uri [") + uri + "] Artist [" + artist + "] Album ["
+ album + "] Title [" + title + "] Tno [" + tracknum + "]";
}
// Format to DIDL fragment
std::string didl();
static UpSong container(const std::string& i, const std::string& p,
const std::string& t, bool s = true,
const std::string& annot = std::string()) {
UpSong song;
song.iscontainer = true;
song.id = i; song.parentid = p; song.title = t; song.searchable = s;
song.artist = annot;
return song;
}
static UpSong item(const std::string& id, const std::string& parentid,
const std::string& title) {
UpSong song;
song.iscontainer = false;
song.id = id;
song.parentid = parentid;
song.title = title;
return song;
}
};
// Convert between db value to percent values (Get/Set Volume and VolumeDb)
extern int percentodbvalue(int value);
extern int dbvaluetopercent(int dbvalue);
extern bool sleepms(int ms);
// Return mapvalue or null strings, for maps where absent entry and
// null data are equivalent
extern const std::string& mapget(
const std::unordered_map<std::string, std::string>& im,
const std::string& k);
// Format a didl fragment from MPD status data. Used by the renderer
extern std::string didlmake(const UpSong& song);
// Wrap DIDL entries in header / trailer
extern const std::string& headDIDL();
extern const std::string& tailDIDL();
extern std::string wrapDIDL(const std::string& data);
// Convert UPnP metadata to UpSong for mpdcli to use
extern bool uMetaToUpSong(const std::string&, UpSong *ups);
// Convert UPnP content directory entry object to UpSong
bool dirObjToUpSong(const UPnPClient::UPnPDirObject& dobj, UpSong *ups);
// Replace the first occurrence of regexp. cxx11 regex does not work
// that well yet...
extern std::string regsub1(const std::string& sexp, const std::string& input,
const std::string& repl);
// Return map with "newer" elements which differ from "old". Old may
// have fewer elts than "newer" (e.g. may be empty), we use the
// "newer" entries for diffing. This is used to compute state changes.
extern std::unordered_map<std::string, std::string>
diffmaps(const std::unordered_map<std::string, std::string>& old,
const std::unordered_map<std::string, std::string>& newer);
#define UPMPD_UNUSED(X) (void)(X)
#endif /* _UPMPDUTILS_H_X_INCLUDED_ */