/* 换用别的传递内容或者返回新的List减少内存占用？listnode的引用会导致GC无法清理HtmlDocument?
* 实测发现返回换成返回一个新List也没有减少内存占用。。
*/
internal IEnumerable <SongModel> ParseAlbumSongs(HtmlNode listnode, AlbumModel album)
{
foreach (var node in listnode.ChildNodes)
{
if (node.NodeType != HtmlNodeType.Element)
{
continue;
}
uint songID = uint.Parse(node.SelectSingleNode("./span").GetAttributeValue("rel", "0"));
SongModel song = SongModel.GetNew(songID);
song.Name = node.SelectSingleNode("./div/a").InnerText;
song.TrackArtist = node.SelectSingleNode("./div/span")?.InnerText;
song.PlayCount = int.Parse(node.SelectSingleNode("./div[2]/span").InnerText);
song.Album = album;
yield return(song);
}
}
internal IEnumerable <SongModel> ParseArtistSongs(HtmlNode listnode)
{
foreach (var item in listnode.ChildNodes)
{
if (item.NodeType != HtmlNodeType.Element)
{
continue;
}
var id = uint.Parse(item.SelectSingleNode("./span").GetAttributeValue("rel", "0"));
SongModel song = SongModel.GetNew(id);
song.Name = item.SelectSingleNode(".//a").InnerText;
int playcount = -1;
if (int.TryParse(item.SelectSingleNode("./div/span").InnerText, out playcount))
{
song.PlayCount = playcount;
}
yield return(song);
}
}
