private void PerformEnumeration()
{
String zipPath = VPPUtil.ConvertVirtualPathToZipPath(_virtualPath, false);
if (zipPath[zipPath.Length - 1] != '/')
{
ZipEntry entry = _zipFile.GetEntry(zipPath);
if (entry != null)
{
_paths.Add(new ZipVirtualFile(zipPath, _zipFile));
}
return;
}
else
{
foreach (ZipEntry entry in _zipFile)
{
Console.WriteLine(entry.Name);
if (entry.Name == zipPath)
{
continue;
}
if (entry.Name.StartsWith(zipPath))
{
// if we're looking for files and current entry is a directory, skip it
if (_requestType == VirtualPathType.Files && entry.IsDirectory)
{
continue;
}
// if we're looking for directories and current entry its not one, skip it
if (_requestType == VirtualPathType.Directories && !entry.IsDirectory)
{
continue;
}
int pos = entry.Name.IndexOf('/', zipPath.Length);
if (pos != -1)
{
if (entry.Name.Length > pos + 1)
{
continue;
}
}
// continue;
if (entry.IsDirectory)
{
_paths.Add(new ZipVirtualDirectory(VPPUtil.ConvertZipPathToVirtualPath(entry.Name), _zipFile));
}
else
{
_paths.Add(new ZipVirtualFile(VPPUtil.ConvertZipPathToVirtualPath(entry.Name), _zipFile));
}
}
}
}
}
public override bool DirectoryExists(string virtualDir)
{
string zipPath = VPPUtil.ConvertVirtualPathToZipPath(virtualDir, false);
ZipEntry zipEntry = _zipFile.GetEntry(zipPath);
if (zipEntry != null)
{
return(zipEntry.IsDirectory);
}
else
{
// Here you may want to return Previous.DirectoryExists(virtualDir) instead of false
// if you want to give the previously registered provider a chance to process the directory
return(false);
}
}
public override bool FileExists(string virtualPath)
{
string zipPath = VPPUtil.ConvertVirtualPathToZipPath(virtualPath, true);
ZipEntry zipEntry = _zipFile.GetEntry(zipPath);
if (zipEntry != null)
{
return(!zipEntry.IsDirectory);
}
else
{
// Here you may want to return Previous.FileExists(virtualPath) instead of false
// if you want to give the previously registered provider a process to serve the file
return(false);
}
}
public override System.IO.Stream Open()
{
ZipEntry entry = _zipFile.GetEntry(VPPUtil.ConvertVirtualPathToZipPath(base.VirtualPath, true));
using (Stream st = _zipFile.GetInputStream(entry))
{
MemoryStream ms = new MemoryStream();
ms.SetLength(entry.Size);
byte[] buf = new byte[2048];
while (true)
{
int r = st.Read(buf, 0, 2048);
if (r == 0)
{
break;
}
ms.Write(buf, 0, r);
}
ms.Seek(0, SeekOrigin.Begin);
return(ms);
}
}
