public IArchiveFile OpenArchive(string filename)
{
var file = new ZipFile(filename);
var root = new Archive(file, null, filename);
foreach (ZipEntry entry in file)
{
string name = entry.Name;
string[] pathComponents = name.Split(new[] { '/','\\' },StringSplitOptions.RemoveEmptyEntries);
if (entry.IsFile)
{
IArchiveFile parent = pathComponents.Length > 1 ? CreateDirectories(file, root, pathComponents, pathComponents.Length-1) : root;
IArchiveFile child = new Archive(file, parent, pathComponents[pathComponents.Length - 1], entry);
parent.Children.Add(child.Name.ToLowerInvariant(), child);
}
else
{
CreateDirectories(file, root, pathComponents, pathComponents.Length);
}
}
return root;
}
private static IArchiveFile CreateDirectories(ZipFile file, IArchiveFile root,string[] components,int length)
{
IArchiveFile parent = root;
for (int i = 0; i < length; ++i)
{
if (!parent.Children.ContainsKey(components[i].ToLowerInvariant()))
{
var child = new Archive(file,parent, components[i]);
parent.Children.Add(child.Name.ToLowerInvariant(), child);
parent = child;
}
else
{
parent = parent.Children[components[i].ToLowerInvariant()];
}
}
return parent;
}