public static Node Generate(System.IO.FileInfo fileInfo)
{
ZipFile file = new ZipFile(fileInfo.FullName);
Node node = new Node();
IDictionary<string, IList<Entry>> waiting = new Dictionary<string, IList<Entry>>();
foreach (ZipEntry zipEntry in file)
{
Entry entry = ParseEntry(zipEntry, node);
if (entry != null)
{
string name = zipEntry.Name.TrimEnd('/');
string path = name.Substring(0, name.LastIndexOf('/'));
if (!waiting.ContainsKey(path))
waiting[path] = new List<Entry>();
waiting[path].Add(entry);
}
if (zipEntry.IsDirectory && waiting.ContainsKey(zipEntry.Name.TrimEnd('/')))
{
Node dir = GetDirectory(zipEntry.Name.TrimEnd('/'), node);
if (dir != null)
{
foreach (var dirEntry in waiting[zipEntry.Name.TrimEnd('/')])
{
dir.Nodes.Add(dirEntry);
}
waiting.Remove(zipEntry.Name.TrimEnd('/'));
}
}
}
FinalizeEntries(node, waiting, fileInfo);
return node;
}
public static Node Generate(System.IO.DirectoryInfo directory, bool recursive)
{
Node node = new Node();
foreach (var subdirectory in directory.EnumerateDirectories())
{
Entry dirEntry = new Entry(subdirectory);
node.Nodes.Add(dirEntry);
if (recursive)
{
dirEntry.Node = Generate(subdirectory, recursive);
dirEntry.UpdateSize();
}
}
foreach (var file in directory.EnumerateFiles())
{
Entry fileEntry = new Entry(file, IsZipFile(file));
node.Nodes.Add(fileEntry);
if ((fileEntry.Kind == EntryKind.ZipFile) && recursive)
{
fileEntry.Node = ZipFileGenerator.Generate(file);
fileEntry.UpdateSize();
}
}
return node;
}
internal static int GetEntriesCount(Node node, EntryKind[] kinds)
{
int count = 0;
foreach (var entry in node.Nodes)
{
foreach (var kind in kinds)
{
if (entry.Kind == kind)
{
count++;
break;
}
}
}
return count;
}
public static void Update(System.IO.DirectoryInfo directory, Node node)
{
IDictionary<string, Entry> entries = new Dictionary<string, Entry>(node.Nodes.Count);
foreach (var entry in node.Nodes)
{
entries.Add(entry.Name, entry);
}
foreach (var subdirectory in directory.EnumerateDirectories())
{
if (entries.ContainsKey(subdirectory.Name))
{
entries.Remove(subdirectory.Name);
}
else
{
Entry dirEntry = new Entry(subdirectory);
node.Nodes.Add(dirEntry);
}
}
foreach (var file in directory.EnumerateFiles())
{
if (entries.ContainsKey(file.Name))
{
Entry fileEntry = entries[file.Name];
entries.Remove(file.Name);
if (fileEntry.LastWriteTime < file.LastWriteTime)
{
node.Nodes.Remove(fileEntry);
node.Nodes.Add(new Entry(file, IsZipFile(file)));
}
}
else
{
node.Nodes.Add(new Entry(file, IsZipFile(file)));
}
}
foreach (var entryPair in entries)
{
node.Nodes.Remove(entryPair.Value);
}
}
private static void FinalizeEntries(Node node, IDictionary<string, IList<Entry>> waiting, System.IO.FileInfo fileInfo)
{
int lastCount = 0;
int count = 0;
do
{
lastCount = count;
count = 0;
foreach (var waitingInfo in waiting.ToArray())
{
Node dir = GetDirectory(waitingInfo.Key, node);
if ((dir == null))
{
dir = GetDirectory(waitingInfo.Key.Substring(0, Math.Max(0, waitingInfo.Key.LastIndexOf('/'))), node);
if (dir != null)
{
Entry dirEntry = Entry.CreateZipDirectoryEntry(waitingInfo.Key.Substring(waitingInfo.Key.LastIndexOf('/') + 1), fileInfo.LastWriteTime);
dirEntry.Node = new Node();
dir.Nodes.Add(dirEntry);
dir = dirEntry.Node;
}
}
if (dir != null)
{
foreach (var dirEntry in waitingInfo.Value)
{
dir.Nodes.Add(dirEntry);
}
waiting.Remove(waitingInfo.Key);
}
else
{
count += waitingInfo.Value.Count;
}
}
}
while ((count > 0) && (lastCount != count));
}
public static Entry SearchEntry(string path, Node parent)
{
return SearchEntry(path, parent, null, null);
}
private void InitRoot()
{
System.IO.DirectoryInfo root = new System.IO.DirectoryInfo(rootPath);
rootNode = DirectoryGenerator.Generate(root, false);
lastWriteTime = root.LastWriteTime;
}
private static Entry SearchEntry(string path, Node parent, string rootPath, EntryKind? stopAt)
{
Entry result = null;
string[] pathComponents = path.Split(System.IO.Path.DirectorySeparatorChar);
Node currentNode = parent;
for (int i = 0; i < pathComponents.Length; i++)
{
result = null;
foreach (var entry in currentNode.Nodes)
{
if (entry.Name == pathComponents[i])
{
result = entry;
break;
}
}
if (result == null)
{
break;
}
if (((result.Kind == EntryKind.File) || (result.Kind == EntryKind.ZipFileEntry)) && (i + 1 < pathComponents.Length))
{
throw new System.IO.DirectoryNotFoundException();
}
if (result.Node == null)
{
if (rootPath == null)
{
throw new System.IO.IOException();
}
string elementPath = System.IO.Path.Combine(rootPath, string.Join(new string(System.IO.Path.DirectorySeparatorChar, 1), pathComponents, 0, i + 1));
if (result.Kind == EntryKind.Directory)
{
result.Node = DirectoryGenerator.Generate(new System.IO.DirectoryInfo(elementPath), false);
result.UpdateSize();
}
if (result.Kind == EntryKind.ZipFile)
{
result.Node = ZipFileGenerator.Generate(new System.IO.FileInfo(elementPath));
result.UpdateSize();
}
}
else if (rootPath != null)
{
string elementPath = System.IO.Path.Combine(rootPath, string.Join(new string(System.IO.Path.DirectorySeparatorChar, 1), pathComponents, 0, i + 1));
if (result.Kind == EntryKind.Directory)
{
if (result.LastWriteTime < System.IO.Directory.GetLastWriteTime(elementPath))
{
System.IO.DirectoryInfo di = new System.IO.DirectoryInfo(elementPath);
DirectoryGenerator.Update(di, result.Node);
Entry newEntry = new Entry(di);
newEntry.Node = result.Node;
newEntry.UpdateSize();
currentNode.Nodes.Remove(result);
currentNode.Nodes.Add(newEntry);
result = newEntry;
}
}
if (result.Kind == EntryKind.File)
{
if (result.LastWriteTime < System.IO.File.GetLastWriteTime(elementPath))
{
System.IO.FileInfo fi = new System.IO.FileInfo(elementPath);
Entry newEntry = new Entry(fi, false);
currentNode.Nodes.Remove(result);
currentNode.Nodes.Add(newEntry);
result = newEntry;
}
}
}
if (stopAt.HasValue && (result.Kind == stopAt.Value))
break;
currentNode = result.Node;
}
if ((result != null) && stopAt.HasValue && (result.Kind != stopAt.Value))
return null;
return result;
}
private static void UpdateSizes(Node node)
{
foreach (var entry in node.Nodes)
{
if (entry.Kind == EntryKind.ZipDirectoryEntry)
{
entry.UpdateSize();
UpdateSizes(entry.Node);
}
}
}
private static Entry ParseEntry(ICSharpCode.SharpZipLib.Zip.ZipEntry entry, Node root)
{
if ((!entry.IsFile) && (!entry.IsDirectory))
return null;
string name = entry.Name.TrimEnd('/');
Node dir = GetDirectory(name.Substring(0, Math.Max(0, name.LastIndexOf('/'))), root);
Entry newEntry = new Entry(entry);
if (newEntry.Kind == EntryKind.ZipDirectoryEntry)
newEntry.Node = new Node();
if (dir == null)
return newEntry;
dir.Nodes.Add(newEntry);
return null;
}
private static Node GetDirectory(string path, Node root)
{
if (path == string.Empty)
return root;
string[] pathComponents = path.Split('/');
for (int i = 0; i < pathComponents.Length; i++)
{
bool found = false;
foreach (var entry in root.Nodes)
{
if (entry.Name == pathComponents[0])
{
found = true;
if (entry.Kind != EntryKind.ZipDirectoryEntry)
return null;
root = entry.Node;
}
}
if (!found)
return null;
}
return root;
}
internal DirectoryEntries(Node node, DateTime writeTime)
{
this.node = node;
this.writeTime = writeTime;
}
