private string RemoveBackupSets(BackendWrapper backend, List<ManifestEntry> entries)
{
StringBuilder sb = new StringBuilder();
sb.Append(backend.FinishDeleteTransaction(false));
if (entries.Count > 0)
{
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
System.Xml.XmlNode root = doc.AppendChild(doc.CreateElement("files"));
root.Attributes.Append(doc.CreateAttribute("version")).Value = "1";
foreach (ManifestEntry me in entries)
{
if (me.Alternate != null)
root.AppendChild(doc.CreateElement("file")).InnerText = me.Alternate.Filename;
root.AppendChild(doc.CreateElement("file")).InnerText = me.Filename;
if (me.Verification != null)
root.AppendChild(doc.CreateElement("file")).InnerText = me.Verification.Filename;
foreach (KeyValuePair<SignatureEntry, ContentEntry> kx in me.Volumes)
{
root.AppendChild(doc.CreateElement("file")).InnerText = kx.Key.Filename;
root.AppendChild(doc.CreateElement("file")).InnerText = kx.Value.Filename;
}
}
if (m_options.Force)
{
using (TempFile tf = new TempFile())
{
doc.Save(tf);
tf.Protected = true;
backend.WriteDeleteTransactionFile(tf);
}
}
foreach (ManifestEntry me in entries)
{
sb.AppendLine(string.Format(Strings.Interface.DeletingBackupSetMessage, me.Time.ToString(System.Globalization.CultureInfo.InvariantCulture)));
if (m_options.Force)
{
//Delete manifest
if (me.Alternate != null)
backend.Delete(me.Alternate);
backend.Delete(me);
if (me.Verification != null)
backend.Delete(me.Verification);
foreach (KeyValuePair<SignatureEntry, ContentEntry> kx in me.Volumes)
{
backend.Delete(kx.Key);
backend.Delete(kx.Value);
}
}
}
if (m_options.Force)
backend.RemoveDeleteTransactionFile();
if (!m_options.Force && entries.Count > 0)
sb.AppendLine(Strings.Interface.FilesAreNotForceDeletedMessage);
}
return sb.ToString();
}