private void FindFileEx(FileFoundEventArgs args, int slength)
{
_fpattern.CopyTo(_ff.Buffer, slength);
_ff.Buffer[slength + _fpattern.Length] = Zero;
var hFile = Kernel32.FindFirstFileEx(
_ff.BufferAddress,
Kernel32.FindexInfoLevels.FindExInfoBasic,
out _ff.Value,
Kernel32.FindexSearchOps.FindExSearchNameMatch,
IntPtr.Zero,
Kernel32.FindexAdditionalFlags.FindFirstExLargeFetch);
if ((IntPtr.Size == 4 && hFile.ToInt32() == -1) ||
(IntPtr.Size == 8 && hFile.ToInt64() == -1L))
{
Win32Error(Marshal.GetLastWin32Error());
return;
}
try
{
do
{
var sposition = slength;
for (int ix = 0; ix < Kernel32.MAX_PATH && sposition < _ff.Buffer.Length && _ff.Value.cFileName[ix] != 0; ix++)
{
_ff.Buffer[sposition++] = _ff.Value.cFileName[ix];
}
if (sposition == _ff.Buffer.Length)
{
throw new PathTooLongException();
}
if (_ff.Value.IgnoredByName)
{
continue;
}
if ((_ff.Value.dwFileAttributes & FileAttributes.Directory) == FileAttributes.Directory)
{
continue;
}
//got one
args.SetNameOffsets(UncPrefixLength, slength, sposition);
_fileFound(args);
} while (!args.CancelEnumeration && Kernel32.FindNextFile(hFile, out _ff.Value));
}
finally
{
Kernel32.FindClose(hFile);
}
}
private void FindFileEx(FileFoundEventArgs args, int slength)
{
Kernel32.FINDEX_INFO_LEVELS findInfoLevel = Kernel32.FINDEX_INFO_LEVELS.FindExInfoStandard;
Kernel32.FINDEX_ADDITIONAL_FLAGS additionalFlags = 0;
if (Environment.OSVersion.Version.Major >= 6)
{
//Ignore short-names
findInfoLevel = Kernel32.FINDEX_INFO_LEVELS.FindExInfoBasic;
//Use large fetch table
additionalFlags = Kernel32.FINDEX_ADDITIONAL_FLAGS.FindFirstExLargeFetch;
}
_fpattern.CopyTo(_ff.Buffer, slength);
_ff.Buffer[slength + _fpattern.Length] = ZERO;
IntPtr hFile = Kernel32.FindFirstFileEx(
_ff.BufferAddress,
findInfoLevel,
out _ff.Value,
Kernel32.FINDEX_SEARCH_OPS.FindExSearchNameMatch,
IntPtr.Zero,
additionalFlags);
if ((IntPtr.Size == 4 && hFile.ToInt32() == -1) ||
(IntPtr.Size == 8 && hFile.ToInt64() == -1L))
{
Win32Error(Marshal.GetLastWin32Error());
return;
}
bool traverseDirs = _recursive && IsWild();
try
{
do
{
int sposition = slength;
for (int ix = 0; ix < Kernel32.MAX_PATH && sposition < _ff.Buffer.Length && _ff.Value.cFileName[ix] != 0; ix++)
{
_ff.Buffer[sposition++] = _ff.Value.cFileName[ix];
}
if (sposition == _ff.Buffer.Length)
{
throw new PathTooLongException();
}
if (!_ff.Value.IgnoredByName)
{
bool isDirectory = (_ff.Value.dwFileAttributes & FileAttributes.Directory) == FileAttributes.Directory;
if ((_includeFolders && isDirectory) || (_includeFiles && !isDirectory))
{
args.SetNameOffsets(UncPrefixLength, slength, sposition);
FileFound(this, args);
}
if (traverseDirs && isDirectory)
{
_ff.Buffer[sposition++] = SLASH;
FindFileEx(args, sposition);
}
}
} while (!args.CancelEnumeration && Kernel32.FindNextFile(hFile, out _ff.Value));
}
finally
{
Kernel32.FindClose(hFile);
}
// Recursive search for patterns other than '*' and '*.*' requires we enum directories again
if (_recursive && !traverseDirs)
{
_ff.Buffer[slength] = '*';
_ff.Buffer[slength + 1] = ZERO;
hFile = Kernel32.FindFirstFileEx(
_ff.BufferAddress,
findInfoLevel,
out _ff.Value,
Kernel32.FINDEX_SEARCH_OPS.FindExSearchNameMatch,
IntPtr.Zero,
additionalFlags);
if ((IntPtr.Size == 4 && hFile.ToInt32() == -1) ||
(IntPtr.Size == 8 && hFile.ToInt64() == -1L))
{
Win32Error(Marshal.GetLastWin32Error());
return;
}
try
{
do
{
int sposition = slength;
for (int ix = 0; ix < Kernel32.MAX_PATH && sposition < _ff.Buffer.Length && _ff.Value.cFileName[ix] != 0; ix++)
{
_ff.Buffer[sposition++] = _ff.Value.cFileName[ix];
}
if (sposition == _ff.Buffer.Length)
{
throw new PathTooLongException();
}
if (!_ff.Value.IgnoredByName)
{
bool isDirectory = (_ff.Value.dwFileAttributes & FileAttributes.Directory) == FileAttributes.Directory;
if (isDirectory)
{
_ff.Buffer[sposition++] = SLASH;
FindFileEx(args, sposition);
}
}
} while (!args.CancelEnumeration && Kernel32.FindNextFile(hFile, out _ff.Value));
}
finally
{
Kernel32.FindClose(hFile);
}
}
}
private void FindFileEx(FileFoundEventArgs args, int slength)
{
Kernel32.FINDEX_INFO_LEVELS findInfoLevel = Kernel32.FINDEX_INFO_LEVELS.FindExInfoStandard;
Kernel32.FINDEX_ADDITIONAL_FLAGS additionalFlags = 0;
if (Environment.OSVersion.Version.Major >= 6)
{
//Ignore short-names
findInfoLevel = Kernel32.FINDEX_INFO_LEVELS.FindExInfoBasic;
//Use large fetch table
additionalFlags = Kernel32.FINDEX_ADDITIONAL_FLAGS.FindFirstExLargeFetch;
}
_fpattern.CopyTo(_ff.Buffer, slength);
_ff.Buffer[slength + _fpattern.Length] = ZERO;
IntPtr hFile = Kernel32.FindFirstFileEx(
_ff.BufferAddress,
findInfoLevel,
out _ff.Value,
Kernel32.FINDEX_SEARCH_OPS.FindExSearchNameMatch,
IntPtr.Zero,
additionalFlags);
if ((IntPtr.Size == 4 && hFile.ToInt32() == -1) ||
(IntPtr.Size == 8 && hFile.ToInt64() == -1L))
{
Win32Error(Marshal.GetLastWin32Error());
return;
}
bool traverseDirs = _recursive && IsWild();
try
{
do
{
int sposition = slength;
for (int ix = 0; ix < Kernel32.MAX_PATH && sposition < _ff.Buffer.Length && _ff.Value.cFileName[ix] != 0; ix++)
_ff.Buffer[sposition++] = _ff.Value.cFileName[ix];
if (sposition == _ff.Buffer.Length)
throw new PathTooLongException();
if (!_ff.Value.IgnoredByName)
{
bool isDirectory = (_ff.Value.dwFileAttributes & FileAttributes.Directory) == FileAttributes.Directory;
if ((_includeFolders && isDirectory) || (_includeFiles && !isDirectory))
{
args.SetNameOffsets(UncPrefixLength, slength, sposition);
FileFound(this, args);
}
if (traverseDirs && isDirectory)
{
_ff.Buffer[sposition++] = SLASH;
FindFileEx(args, sposition);
}
}
} while (!args.CancelEnumeration && Kernel32.FindNextFile(hFile, out _ff.Value));
}
finally
{
Kernel32.FindClose(hFile);
}
// Recursive search for patterns other than '*' and '*.*' requires we enum directories again
if (_recursive && !traverseDirs)
{
_ff.Buffer[slength] = '*';
_ff.Buffer[slength + 1] = ZERO;
hFile = Kernel32.FindFirstFileEx(
_ff.BufferAddress,
findInfoLevel,
out _ff.Value,
Kernel32.FINDEX_SEARCH_OPS.FindExSearchNameMatch,
IntPtr.Zero,
additionalFlags);
if ((IntPtr.Size == 4 && hFile.ToInt32() == -1) ||
(IntPtr.Size == 8 && hFile.ToInt64() == -1L))
{
Win32Error(Marshal.GetLastWin32Error());
return;
}
try
{
do
{
int sposition = slength;
for (int ix = 0; ix < Kernel32.MAX_PATH && sposition < _ff.Buffer.Length && _ff.Value.cFileName[ix] != 0; ix++)
_ff.Buffer[sposition++] = _ff.Value.cFileName[ix];
if (sposition == _ff.Buffer.Length)
throw new PathTooLongException();
if (!_ff.Value.IgnoredByName)
{
bool isDirectory = (_ff.Value.dwFileAttributes & FileAttributes.Directory) == FileAttributes.Directory;
if (isDirectory)
{
_ff.Buffer[sposition++] = SLASH;
FindFileEx(args, sposition);
}
}
} while (!args.CancelEnumeration && Kernel32.FindNextFile(hFile, out _ff.Value));
}
finally
{
Kernel32.FindClose(hFile);
}
}
}
