private IEnumerable <string> GetItemsInternal(string filter, DirectoryEnumerator.EnumerationType enumType, Predicate <NativeMethods.WIN32_FIND_DATA> extendedFilter = null)
{
string itemName;
NativeMethods.WIN32_FIND_DATA findData;
while (this.GetNextItem(filter, enumType, out itemName, out findData, extendedFilter))
{
yield return(itemName);
}
if (this.m_recurse)
{
foreach (string dir in this.m_realDirectories)
{
string fullPath = Path.Combine(this.m_path.FullName, dir);
using (DirectoryEnumerator dirEnum = new DirectoryEnumerator(new DirectoryInfo(fullPath), this.m_recurse, this.m_includeRecycleBin))
{
foreach (string item in dirEnum.GetItemsInternal(filter, enumType, extendedFilter))
{
yield return(item);
}
}
}
}
yield break;
}
private void EnumerateFilesForDirectory(TopNList <DirectorySpaceEnumerator.DirectorySize> topDirsBySize, string dir)
{
MountPointUtil.HandleIOExceptions(delegate
{
DirectoryInfo path = new DirectoryInfo(dir);
using (DirectoryEnumerator directoryEnumerator = new DirectoryEnumerator(path, false, false))
{
ulong num = 0UL;
string text;
NativeMethods.WIN32_FIND_DATA win32_FIND_DATA;
while (directoryEnumerator.GetNextFileExtendedInfo("*", out text, out win32_FIND_DATA))
{
ulong longFileSize = this.GetLongFileSize(win32_FIND_DATA.FileSizeLow, win32_FIND_DATA.FileSizeHigh);
num += longFileSize;
}
this.InsertIfNecessary(topDirsBySize, dir, num);
}
});
}
private IEnumerable <DirectorySpaceEnumerator.DirectorySize> GetTopNDirectories()
{
TopNList <DirectorySpaceEnumerator.DirectorySize> topDirsBySize = new TopNList <DirectorySpaceEnumerator.DirectorySize>(this.m_maxDirectories, Dependencies.Assert);
MountPointUtil.HandleIOExceptions(delegate
{
DirectoryInfo path = new DirectoryInfo(this.m_rootDirectory);
using (DirectoryEnumerator directoryEnumerator = new DirectoryEnumerator(path, true, true))
{
Predicate <NativeMethods.WIN32_FIND_DATA> extendedFilter = (NativeMethods.WIN32_FIND_DATA findData) => (findData.FileAttributes & NativeMethods.FileAttributes.ReparsePoint) == NativeMethods.FileAttributes.None;
foreach (string dir in directoryEnumerator.EnumerateDirectories("*", extendedFilter))
{
this.EnumerateFilesForDirectory(topDirsBySize, dir);
}
this.EnumerateFilesForDirectory(topDirsBySize, this.m_rootDirectory);
}
});
return(topDirsBySize);
}
public IEnumerable <string> EnumerateFiles(string filter, Predicate <NativeMethods.WIN32_FIND_DATA> extendedFilter = null)
{
if (!string.Equals(filter, "*"))
{
if (this.m_recurse)
{
bool returnBaseNames = this.ReturnBaseNames;
try
{
this.ReturnBaseNames = false;
IEnumerable <string> directories = this.EnumerateDirectories("*", extendedFilter);
foreach (string dir in directories)
{
using (DirectoryEnumerator dirEnum = new DirectoryEnumerator(new DirectoryInfo(dir), false, this.m_includeRecycleBin))
{
dirEnum.ReturnBaseNames = returnBaseNames;
foreach (string item in dirEnum.GetItemsInternal(filter, DirectoryEnumerator.EnumerationType.Files, extendedFilter))
{
yield return(item);
}
}
}
}
finally
{
this.ReturnBaseNames = returnBaseNames;
}
goto IL_1CD;
}
}
string itemName;
NativeMethods.WIN32_FIND_DATA findData;
while (this.GetNextItem(filter, DirectoryEnumerator.EnumerationType.Files, out itemName, out findData, extendedFilter))
{
yield return(itemName);
}
IL_1CD:
yield break;
}
