/* 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>
#include "libupnpp/control/cdircontent.hxx"
class UpSong;
// 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
extern std::string didlmake(const UpSong& song);
// 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);
// Extract the set of formats from protocolinfo data (comma separated
// list of 'proto:net:format:extradata' elements, e.g. http-get:*:audio/mpeg:*)
// All format strings are changed to lower case in the output set.
extern bool protocolInfoToFormats(const std::string& pinfo,
std::unordered_set<std::string>& formats);
// Extract content format from resource protocolinfo attribute. This
// should be made an UPnPResource method one day
std::string resourceContentFormat(const UPnPClient::UPnPResource& res);
// 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);
#endif /* _UPMPDUTILS_H_X_INCLUDED_ */