public static IEnumerable <DirectoryEntry> EnumDirectoryEntries(string path, string searchPattern, bool recursive, Func <uint, bool> attributeFilter)
{
#if !WINDOWS
throw new NotImplementedException();
#else
if (!System.IO.Directory.Exists(path))
{
throw new System.IO.DirectoryNotFoundException();
}
var buffer = new StringBuilder();
string actualPath = System.IO.Path.GetFullPath(path + @"\");
var patterns = searchPattern.Split(';');
var globs = (from p in patterns select GlobToRegex(p)).ToArray();
var findData = new WIN32_FIND_DATA();
var searchPaths = new Queue <string>();
var entry = new DirectoryEntry();
searchPaths.Enqueue("");
while (searchPaths.Count != 0)
{
string currentPath = searchPaths.Dequeue();
buffer.Remove(0, buffer.Length);
buffer.Append(actualPath);
buffer.Append(currentPath);
buffer.Append("*");
using (var handle = new FindHandle(FindFirstFile(buffer.ToString(), out findData)))
while (handle.Valid)
{
string fileName = findData.cFileName;
if ((fileName != ".") && (fileName != ".."))
{
bool isDirectory = (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY;
bool masked = !attributeFilter(findData.dwFileAttributes);
buffer.Remove(0, buffer.Length);
buffer.Append(actualPath);
buffer.Append(currentPath);
buffer.Append(fileName);
if (isDirectory)
{
buffer.Append("\\");
}
if (recursive && isDirectory)
{
var subdir = buffer.ToString().Substring(actualPath.Length);
searchPaths.Enqueue(subdir);
}
if (!masked)
{
string fileNameLower = fileName.ToLower();
bool globMatch = false;
foreach (var glob in globs)
{
if (glob.IsMatch(fileNameLower))
{
globMatch = true;
break;
}
}
if (globMatch)
{
entry.Name = buffer.ToString();
entry.Attributes = findData.dwFileAttributes;
entry.Size = findData.dwFileSizeLow + (findData.dwFileSizeHigh * ((ulong)(UInt32.MaxValue) + 1));
entry.Created = findData.ftCreationTime;
entry.LastAccessed = findData.ftLastAccessTime;
entry.LastWritten = findData.ftLastWriteTime;
entry.IsDirectory = isDirectory;
yield return(entry);
}
}
}
if (!FindNextFile(handle, out findData))
{
break;
}
}
}
#endif
}
public static IEnumerable<DirectoryEntry> EnumDirectoryEntries(string path, string searchPattern, bool recursive, Func<uint, bool> attributeFilter)
{
#if !WINDOWS
throw new NotImplementedException();
#else
if (!System.IO.Directory.Exists(path))
throw new System.IO.DirectoryNotFoundException();
var buffer = new StringBuilder();
string actualPath = System.IO.Path.GetFullPath(path + @"\");
var patterns = searchPattern.Split(';');
var globs = (from p in patterns select GlobToRegex(p)).ToArray();
var findData = new WIN32_FIND_DATA();
var searchPaths = new Queue<string>();
var entry = new DirectoryEntry();
searchPaths.Enqueue("");
while (searchPaths.Count != 0) {
string currentPath = searchPaths.Dequeue();
buffer.Remove(0, buffer.Length);
buffer.Append(actualPath);
buffer.Append(currentPath);
buffer.Append("*");
using (var handle = new FindHandle(FindFirstFile(buffer.ToString(), out findData)))
while (handle.Valid) {
string fileName = findData.cFileName;
if ((fileName != ".") && (fileName != "..")) {
bool isDirectory = (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY;
bool masked = !attributeFilter(findData.dwFileAttributes);
buffer.Remove(0, buffer.Length);
buffer.Append(actualPath);
buffer.Append(currentPath);
buffer.Append(fileName);
if (isDirectory)
buffer.Append("\\");
if (recursive && isDirectory) {
var subdir = buffer.ToString().Substring(actualPath.Length);
searchPaths.Enqueue(subdir);
}
if (!masked) {
string fileNameLower = fileName.ToLower();
bool globMatch = false;
foreach (var glob in globs) {
if (glob.IsMatch(fileNameLower)) {
globMatch = true;
break;
}
}
if (globMatch) {
entry.Name = buffer.ToString();
entry.Attributes = findData.dwFileAttributes;
entry.Size = findData.dwFileSizeLow + (findData.dwFileSizeHigh * ((ulong)(UInt32.MaxValue) + 1));
entry.Created = findData.ftCreationTime;
entry.LastAccessed = findData.ftLastAccessTime;
entry.LastWritten = findData.ftLastWriteTime;
entry.IsDirectory = isDirectory;
yield return entry;
}
}
}
if (!FindNextFile(handle, out findData))
break;
}
}
#endif
}
