public static object DeserializeFrom(string file, int strophe, Config config)
{
XmlDocument xmlDoc = new XmlDocument();
try {
xmlDoc.Load(file);
} catch {
return(new Song(config));
}
Song s = null;
bool newSong = false;
XmlNode root = xmlDoc.DocumentElement;
XmlNode versionNode;
if (root.Name.Equals("NewSong"))
{
newSong = true;
versionNode = xmlDoc.SelectSingleNode(@"/NewSong/Version");
}
else
{
versionNode = xmlDoc.SelectSingleNode(@"/DreamSong/Version");
}
//XmlNodeList nodes = xmlDoc.GetElementsByTagName("Version");
Console.WriteLine("Loading: " + file);
if (versionNode != null)
{
float version = 0;
try {
version = float.Parse(versionNode.InnerText);
if (version < 5)
{
version = version * 100; // a Localization bug might exist - this would fix it
}
} catch {
version = 0;
}
if (version < 50)
{
OldSong oldS = new OldSong(file);
if (oldS.strophe_count > 0)
{
s = new Song(config, oldS);
}
else
{
s = new Song(config);
}
}
else if (version <= 71 || newSong)
{
/* Prior to version 0.72 old songs were saved with NewSong XML root
* instead of DreamSong and contained an node called BGImagePath. The
* BGImagePath has now been generalized to ThemePath.
*/
if (newSong)
{
DreamTools.RenameXmlNode(root, root.NamespaceURI, "DreamSong");
XmlNode bgImageNode = xmlDoc.SelectSingleNode(@"/DreamSong/BGImagePath");
if (bgImageNode != null)
{
DreamTools.RenameXmlNode(bgImageNode, root.NamespaceURI, "ThemePath");
}
s = (Song)Song.DeserializeFrom(typeof(Song), new StringReader(xmlDoc.OuterXml));
if (s != null)
{
// There are some songs from 0.7x days with <NewSong> and version == 1.00.
// Let's save them back automatically with the correct version.
// Version 0.71 allowed the user to save files with keys such as "D# / Eb".
s.KeyRangeLow = NormalizeKey(s.KeyRangeLow);
s.KeyRangeHigh = NormalizeKey(s.KeyRangeHigh);
Song.SerializeTo(s, file);
}
}
else
{
s = (Song)Song.DeserializeFrom(typeof(Song), file);
}
}
else // version >= 0.72
{
s = (Song)Song.DeserializeFrom(typeof(Song), file);
}
// Songs which don't have the AutoSequencerOption
if (version <= 82)
{
s.AutoSequencer = false; // For a new Song the Autosequencer should be true - only for older versions it has to be disabled
}
}
if (s != null)
{
if (s.Theme == null)
{
// OldSong did not have a custom theme. Give it the default theme.
// If we don't clone the theme, background changes will be saved as part of the default theme.
s.Theme = (Theme)config.theme.Song.Clone();
// Hide the theme path so it doesn't look like the song has a custom theme.
s.Theme.ThemeFile = null;
}
s.config = config;
s.CurrentLyric = strophe;
s.FileName = file;
return(s);
}
else
{
return(new Song(config));
}
}