/// <summary>
/// Returns a list of all files found in the given folder.
/// The search is recursive.
/// </summary>
/// <param name="rootpath">The folder to look in</param>
/// <param name="callback">The function to call with the filenames</param>
/// <param name="folderList">A function to call that lists all folders in the supplied folder</param>
/// <param name="fileList">A function to call that lists all files in the supplied folder</param>
/// <param name="attributeReader">A function to call that obtains the attributes for an element, set to null to avoid reading attributes</param>
/// <returns>A list of the full filenames</returns>
public static void EnumerateFileSystemEntries(string rootpath, EnumerationCallbackDelegate callback, FileSystemInteraction folderList, FileSystemInteraction fileList, ExtractFileAttributes attributeReader)
{
if (!System.IO.Directory.Exists(rootpath))
return;
Queue<string> lst = new Queue<string>();
lst.Enqueue(rootpath);
while (lst.Count > 0)
{
string f = AppendDirSeparator(lst.Dequeue());
try
{
System.IO.FileAttributes attr = attributeReader == null ? System.IO.FileAttributes.Directory : attributeReader(f);
if (!callback(rootpath, f, attr))
continue;
foreach (string s in folderList(f))
lst.Enqueue(s);
}
catch (System.Threading.ThreadAbortException)
{
throw;
}
catch (Exception)
{
callback(rootpath, f, ATTRIBUTE_ERROR | System.IO.FileAttributes.Directory);
}
try
{
if (fileList != null)
foreach (string s in fileList(f))
{
try
{
System.IO.FileAttributes attr = attributeReader == null ? System.IO.FileAttributes.Normal : attributeReader(s);
callback(rootpath, s, attr);
}
catch (System.Threading.ThreadAbortException)
{
throw;
}
catch (Exception)
{
callback(rootpath, s, ATTRIBUTE_ERROR);
}
}
}
catch (System.Threading.ThreadAbortException)
{
throw;
}
catch (Exception)
{
callback(rootpath, f, ATTRIBUTE_ERROR);
}
}
}
/// <summary>
/// Returns a list of all files found in the given folder.
/// The search is recursive.
/// </summary>
/// <param name="rootpath">The folder to look in</param>
/// <param name="callback">The function to call with the filenames</param>
/// <param name="folderList">A function to call that lists all folders in the supplied folder</param>
/// <param name="fileList">A function to call that lists all files in the supplied folder</param>
/// <returns>A list of the full filenames</returns>
public static void EnumerateFileSystemEntries(string rootpath, EnumerationCallbackDelegate callback, FileSystemInteraction folderList, FileSystemInteraction fileList)
{
EnumerateFileSystemEntries(rootpath, callback, folderList, fileList, null);
}
/// <summary>
/// Returns a list of all files found in the given folder.
/// The search is recursive.
/// </summary>
/// <param name="rootpath">The folder to look in</param>
/// <param name="filter">An optional filter to apply to the filenames</param>
/// <param name="callback">The function to call with the filenames</param>
/// <returns>A list of the full filenames</returns>
public static void EnumerateFileSystemEntries(string rootpath, EnumerationCallbackDelegate callback)
{
EnumerateFileSystemEntries(rootpath, callback, new FileSystemInteraction(System.IO.Directory.GetDirectories), new FileSystemInteraction(System.IO.Directory.GetFiles));
}
/// <summary>
/// Returns a list of all files found in the given folder.
/// The search is recursive.
/// </summary>
/// <param name="rootpath">The folder to look in</param>
/// <param name="callback">The function to call with the filenames</param>
/// <param name="folderList">A function to call that lists all folders in the supplied folder</param>
/// <param name="fileList">A function to call that lists all files in the supplied folder</param>
/// <param name="attributeReader">A function to call that obtains the attributes for an element, set to null to avoid reading attributes</param>
/// <returns>A list of the full filenames</returns>
public static void EnumerateFileSystemEntries(string rootpath, EnumerationCallbackDelegate callback, FileSystemInteraction folderList, FileSystemInteraction fileList, ExtractFileAttributes attributeReader)
{
if (!System.IO.Directory.Exists(rootpath))
{
return;
}
Queue <string> lst = new Queue <string>();
lst.Enqueue(rootpath);
while (lst.Count > 0)
{
string f = AppendDirSeparator(lst.Dequeue());
try
{
System.IO.FileAttributes attr = attributeReader == null ? System.IO.FileAttributes.Directory : attributeReader(f);
if (!callback(rootpath, f, attr))
{
continue;
}
foreach (string s in folderList(f))
{
lst.Enqueue(s);
}
}
catch (System.Threading.ThreadAbortException)
{
throw;
}
catch (Exception)
{
callback(rootpath, f, ATTRIBUTE_ERROR | System.IO.FileAttributes.Directory);
}
try
{
if (fileList != null)
{
foreach (string s in fileList(f))
{
try
{
System.IO.FileAttributes attr = attributeReader == null ? System.IO.FileAttributes.Normal : attributeReader(s);
callback(rootpath, s, attr);
}
catch (System.Threading.ThreadAbortException)
{
throw;
}
catch (Exception)
{
callback(rootpath, s, ATTRIBUTE_ERROR);
}
}
}
}
catch (System.Threading.ThreadAbortException)
{
throw;
}
catch (Exception)
{
callback(rootpath, f, ATTRIBUTE_ERROR);
}
}
}
/// <summary>
/// Returns a list of all files found in the given folder.
/// The search is recursive.
/// </summary>
/// <param name="rootpath">The folder to look in</param>
/// <param name="callback">The function to call with the filenames</param>
/// <param name="folderList">A function to call that lists all folders in the supplied folder</param>
/// <param name="fileList">A function to call that lists all files in the supplied folder</param>
/// <returns>A list of the full filenames</returns>
public static void EnumerateFileSystemEntries(string rootpath, EnumerationCallbackDelegate callback, FileSystemInteraction folderList, FileSystemInteraction fileList)
{
EnumerateFileSystemEntries(rootpath, callback, folderList, fileList, null);
}
/// <summary>
/// Returns a list of all files found in the given folder.
/// The search is recursive.
/// </summary>
/// <param name="rootpath">The folder to look in</param>
/// <param name="filter">An optional filter to apply to the filenames</param>
/// <param name="callback">The function to call with the filenames</param>
/// <returns>A list of the full filenames</returns>
public static void EnumerateFileSystemEntries(string rootpath, EnumerationCallbackDelegate callback)
{
EnumerateFileSystemEntries(rootpath, callback, new FileSystemInteraction(System.IO.Directory.GetDirectories), new FileSystemInteraction(System.IO.Directory.GetFiles));
}