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/*
* Copyright (C) 2010 MediaNet Inh.
* Copyright (C) 2012 Jens Georg <mail@jensge.org>
*
* Author: Sunil Mohan Adapa <sunil@medhas.org>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Rygel 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using Gee;
/**
* A map of UPnP properties to tracker property functions, coalesces,
* subqueries or other custom functions
*/
public class Rygel.Tracker.UPnPPropertyMap : Object {
HashMap<string, ArrayList<string>> property_map;
HashMap<string, string> functions;
private static UPnPPropertyMap instance;
public static UPnPPropertyMap get_property_map () {
if (unlikely (instance == null)) {
instance = new UPnPPropertyMap ();
}
return instance;
}
private UPnPPropertyMap () {
this.property_map = new HashMap<string, ArrayList<string>> ();
this.functions = new HashMap<string, string> ();
// Item
this.add_key_chain ("res", "nie:url");
this.add_function ("place_holder",
"tracker:coalesce((SELECT false WHERE { { %s a ?o } " +
"FILTER (?o IN (nfo:FileDataObject, " +
"nfo:RemoteDataObject)) }), true)");
this.add_key_chain ("fileName", "nfo:fileName");
this.add_alternative ("dc:title", "nie:title", "nfo:fileName");
this.add_key_chain ("dlnaProfile", "nmm:dlnaProfile");
this.add_alternative ("mimeType", "nmm:dlnaMime", "nie:mimeType");
this.add_alternative ("res@size", "nfo:fileSize", "nie:byteSize");
this.add_alternative ("date",
"nie:contentCreated",
"nfo:fileLastModified");
// Music Item
this.add_key_chain ("res@duration", "nfo:duration");
this.add_key_chain ("upnp:artist", "nmm:performer", "nmm:artistName");
this.add_key_chain ("dc:creator", "nmm:performer", "nmm:artistName");
this.add_key_chain ("upnp:album", "nmm:musicAlbum", "nmm:albumTitle");
this.add_key_chain ("upnp:originalTrackNumber", "nmm:trackNumber");
this.add_key_chain ("upnp:genre", "nfo:genre");
this.add_key_chain ("sampleRate", "nfo:sampleRate");
this.add_key_chain ("upnp:nrAudioChannels", "nfo:channels");
this.add_key_chain ("upnp:bitsPerSample", "nfo:bitsPerSample");
this.add_key_chain ("upnp:bitrate", "nfo:averageBitrate");
// Picture & Video Items
this.add_key_chain ("width", "nfo:width");
this.add_key_chain ("height", "nfo:height");
this.add_key_chain ("rygel:originalVolumeNumber",
"nmm:musicAlbumDisc",
"nmm:setNumber");
}
public new string @get (string property) {
var str = SelectionQuery.ITEM_VARIABLE;
if (this.property_map.has_key (property)) {
foreach (var key in this.property_map[property]) {
str = key + "(" + str + ")";
}
} else if (this.functions.has_key (property)) {
str = this.functions[property].printf (str);
}
return str;
}
private void add_key_chain (string property, ...) {
var key_chain = new ArrayList<string> ();
var list = va_list ();
string key = list.arg ();
while (key != null) {
key_chain.add (key);
key = list.arg ();
}
this.property_map[property] = key_chain;
}
private void add_function (string property, string function) {
this.functions[property] = function;
}
private void add_alternative (string property, ...) {
var list = va_list ();
var str = new StringBuilder ("tracker:coalesce(");
string alternative = list.arg ();
while (alternative != null) {
str.append_printf ("%s(%%1$s),", alternative);
alternative = list.arg ();
}
str.truncate (str.len - 1);
str.append (")");
this.add_function (property, str.str);
}
}
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