private static ModData LoadData([NotNull] Stream stream, [CanBeNull] out Folder archive)
{
archive = null;
try
{
using (var sr = new StreamReader(DownloadManager.MemoryCache(stream)))
using (var jr = new JsonTextReader(sr))
return(new JsonSerializer().Deserialize <ModData>(jr) ?? throw new InvalidOperationException("failed to read metadata"));
}
catch (JsonReaderException)
{
}
var contents = AssetProcessor.Load(ArchiveExtractor.Read(DownloadManager.MemoryCache(stream), null));
if (contents is File file)
{
return(LoadData(file.Data, out archive));
}
if (!(contents is Folder folder))
{
throw new InvalidOperationException();
}
if (folder.TryGetFile("dvmod.json", out var dvmod))
{
using (var sr = new StreamReader(dvmod.Data))
using (var jr = new JsonTextReader(sr))
return(new JsonSerializer().Deserialize <ModData>(jr) ?? throw new InvalidOperationException("failed to read metadata"));
}
return(GuessModData(folder));
}
private static void SetProcessors([NotNull] Folder root, [NotNull] Folder folder, [ItemNotNull, NotNull] List <ModAsset> assets, [NotNull] string archivePath)
{
for (var i = 0; i < folder.Children.Count; i++)
{
var child = folder.Children[i];
foreach (var asset in assets)
{
if (IsMatch(asset.Origin.AbsolutePath, archivePath, child.Name, child is File))
{
if (asset.Processor == ModAssetProcessor.Archive && child is File f)
{
child = ArchiveExtractor.Read(f.Data, asset.ArchivePath);
if (child is Folder fo)
{
Load(fo);
if (string.IsNullOrEmpty(asset.Path))
{
folder.AddItems(fo.Children);
}
}
}
if (!string.IsNullOrEmpty(asset.Path))
{
folder.Children.RemoveAt(i);
i--;
var split = asset.Path.Split('/');
var e = ((IEnumerable <string>)split).GetEnumerator();
var croot = folder;
if (split[0] == "")
{
e.MoveNext();
croot = root;
}
// TODO: set Processor to merge on created folders
if (child is Folder fo)
{
var c = croot.PathAddFolder(e);
c.AddItems(fo.Children);
while (c != null && c.Processor == ModAssetProcessor.None)
{
c.Processor = ModAssetProcessor.MergeFolder;
c = c.Parent;
}
}
else if (child is File fi)
{
child = croot.PathAddFile(e, fi.FileData);
}
}
if (asset.Processor != ModAssetProcessor.Archive)
{
child.Processor = asset.Processor;
}
}
}
if (child.Processor == ModAssetProcessor.None &&
(archivePath != "/" || !string.Equals(child.Name, "meta.json", StringComparison.OrdinalIgnoreCase) && !string.Equals(child.Name, "dvmod.json", StringComparison.OrdinalIgnoreCase)) &&
child is File)
{
child.Processor = ModAssetProcessor.Copy;
}
if (child is Folder fol)
{
child.Processor = ModAssetProcessor.MergeFolder;
SetProcessors(root, fol, assets, archivePath + child.Name + "/");
}
}
}
public static void LoadAsset([NotNull] Folder root, [NotNull] ModAsset asset, [CanBeNull] Folder bundledFiles)
{
FileTree data;
if (asset.Origin.Scheme == "dvmod" && asset.Origin.Host == "current-archive")
{
if (bundledFiles is null)
{
throw new InvalidOperationException("reference ro current-archive from standalone mod info");
}
data = bundledFiles.GetPath(asset.Origin.AbsolutePath.TrimStart('/')) ?? throw new FileNotFoundException("referenced file was not found", asset.Origin.ToString());
}
else
{
var stream = DownloadManager.Download(asset.Origin) ?? throw new FileNotFoundException("unable to download asset", asset.Origin.ToString());
data = new File("", FileData.FromStream(stream), null);
}
if (asset.Processor == ModAssetProcessor.Archive && data is File file)
{
data = ArchiveExtractor.Read(file.Data, asset.ArchivePath);
if (data is Folder fo)
{
Load(fo);
if (string.IsNullOrEmpty(asset.Path))
{
root.AddItems(fo.Children);
}
}
}
if (!string.IsNullOrEmpty(asset.Path))
{
if (data is Folder fo)
{
var c = root.PathAddFolder(asset.Path);
c.AddItems(fo.Children);
while (c != null && c.Processor == ModAssetProcessor.None)
{
c.Processor = ModAssetProcessor.MergeFolder;
c = c.Parent;
}
}
else if (data is File fi)
{
data = root.PathAddFile(asset.Path, fi.FileData);
}
}
else if (data is File)
{
throw new InvalidOperationException("file assets must specify a folder");
}
if (asset.Processor != ModAssetProcessor.Archive)
{
data.Processor = asset.Processor;
}
if (data.Processor == ModAssetProcessor.None)
{
data.Processor = data is File ? ModAssetProcessor.Copy : ModAssetProcessor.MergeFolder;
}
data = data.Parent;
while (data != null && data.Processor == ModAssetProcessor.None)
{
data.Processor = ModAssetProcessor.MergeFolder;
data = data.Parent;
}
}
