private async Task Decompress(InternalPackageInformation info, ILocalBaseFolder localBaseFolder)
{
using (var stream =
localBaseFolder.OpenStreamForReading(PathForNugetPackage(info)))
using (var compressed = new ZipArchive(stream, ZipArchiveMode.Read))
{
var totalCount = compressed.Entries.Count;
foreach (var(zipArchiveEntry, i) in compressed.Entries.Select((e, i) => (e, i)))
{
var fullName = Uri.UnescapeDataString(zipArchiveEntry.FullName);
var name = Uri.UnescapeDataString(zipArchiveEntry.Name);
listeners(new Decompressing(info.Package, info.Source, fullName, i, totalCount));
if (fullName.StartsWith("_rels") ||
name == "[Content_Types].xml")
{
continue;
}
// we skip over directory entries for now, assume we don't extract empty dirs
if ((zipArchiveEntry.ExternalAttributes & FolderBitmaskForZipArchiveEntry) == FolderBitmaskForZipArchiveEntry)
{
continue;
}
using (var fileStream = zipArchiveEntry.Open())
using (var outputStream =
localBaseFolder.OpenStreamForWriting(Path.Combine(info.Package.OutputFolder, fullName)))
{
await fileStream.CopyToAsync(outputStream);
}
}
}
}