// Scans the file for ogg rating/playcount tags as defined by the Quod Libet standard
// All applicable tags are overwritten with the new values, regardless of tag author
public static void StoreRating(int rating, TagLib.Ogg.XiphComment xiphtag)
{
ArrayList ratingFieldnames = new ArrayList();
// Collect list of rating tags to be updated:
foreach (string fieldname in xiphtag)
{
if (fieldname.StartsWith(RatingPrefix, StringComparison.OrdinalIgnoreCase)
|| String.Compare(fieldname, MediaMonkeyRatingField, StringComparison.OrdinalIgnoreCase) == 0)
{
ratingFieldnames.Add(fieldname);
}
}
// Add "HOWLER" tags if no rating tags were found and track is not "unrated":
if (ratingFieldnames.Count == 0 && rating >= 0)
{
ratingFieldnames.Add(RatingPrefix + HowlerName);
}
if (rating < 0)
{
foreach (string ratingname in ratingFieldnames)
xiphtag.RemoveField(ratingname);
}
else
{
int bansheeRating = (int) Math.Ceiling(rating / 20.0);
string bansheeRatingString = BansheeToOgg(bansheeRating);
foreach (string ratingname in ratingFieldnames)
{
if (String.Compare(ratingname, String.Concat(RatingPrefix, HowlerName), StringComparison.OrdinalIgnoreCase) == 0
|| String.Compare(ratingname, MediaMonkeyRatingField, StringComparison.OrdinalIgnoreCase) == 0)
{
xiphtag.SetField(ratingname, rating.ToString(CultureInfo.InvariantCulture));
}
else if (ratingname.StartsWith(RatingPrefix, StringComparison.OrdinalIgnoreCase))
{
xiphtag.SetField(ratingname, bansheeRatingString);
}
}
}
}
public static void StorePlayCount(int playcount, TagLib.Ogg.XiphComment xiphtag)
{
ArrayList playcountFieldnames = new ArrayList();
// Collect list of playcount tags to be updated:
foreach (string fieldname in xiphtag)
{
if (fieldname.StartsWith(PlaycountPrefix, StringComparison.OrdinalIgnoreCase))
{
playcountFieldnames.Add(fieldname);
}
}
// Add "BANSHEE" tags if no playcount tags were found:
if (playcountFieldnames.Count == 0)
{
playcountFieldnames.Add(PlaycountPrefix + HowlerName);
}
string oggPlaycount = playcount.ToString(CultureInfo.InvariantCulture);
foreach (string playcountname in playcountFieldnames)
{
xiphtag.SetField(playcountname, oggPlaycount);
}
}