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jellyfin/MediaBrowser.LocalMetadata/Parsers/PlaylistXmlParser.cs

113 lines
3.4 KiB

using System.Collections.Generic;
using System.Xml;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Providers;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.LocalMetadata.Parsers
{
/// <summary>
/// Playlist xml parser.
/// </summary>
public class PlaylistXmlParser : BaseItemXmlParser<Playlist>
{
/// <summary>
/// Initializes a new instance of the <see cref="PlaylistXmlParser"/> class.
/// </summary>
/// <param name="logger">Instance of the <see cref="ILogger{PlaylistXmlParser}"/> interface.</param>
/// <param name="providerManager">Instance of the <see cref="IProviderManager"/> interface.</param>
public PlaylistXmlParser(ILogger<PlaylistXmlParser> logger, IProviderManager providerManager)
: base(logger, providerManager)
{
}
/// <inheritdoc />
protected override void FetchDataFromXmlNode(XmlReader reader, MetadataResult<Playlist> result)
{
var item = result.Item;
switch (reader.Name)
{
case "PlaylistMediaType":
{
item.PlaylistMediaType = reader.ReadElementContentAsString();
break;
}
case "PlaylistItems":
if (!reader.IsEmptyElement)
{
using (var subReader = reader.ReadSubtree())
{
FetchFromCollectionItemsNode(subReader, item);
}
}
else
{
reader.Read();
}
break;
default:
base.FetchDataFromXmlNode(reader, result);
break;
}
}
private void FetchFromCollectionItemsNode(XmlReader reader, Playlist item)
{
var list = new List<LinkedChild>();
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "PlaylistItem":
{
if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
using (var subReader = reader.ReadSubtree())
{
var child = GetLinkedChild(subReader);
if (child != null)
{
list.Add(child);
}
}
break;
}
default:
{
reader.Skip();
break;
}
}
}
else
{
reader.Read();
}
}
item.LinkedChildren = list.ToArray();
}
}
}