internal IntPtr FindFirst(string path, ref WIN32_FIND_DATA_ANSI findData)
{
try
{
// Find directory in virtual filesystem representing %path.
var entryForPath = VirtualFilesystemUtils.TryFindFilesystemEntry(path, m_Plugin.GetRootDirectoryEntry());
if (entryForPath is DirectoryEntryBase directoryEntryForPath)
{
var enumeration = directoryEntryForPath.EnumerateChildFilesystemEntries();
if (enumeration != null)
{
var enumerator = enumeration.GetEnumerator();
if (enumerator != null && enumerator.MoveNext())
{
findData = enumerator.Current.ToFindDataAnsi();
return(m_EnumerationsManager.Add(enumerator));
}
}
// Directory is empty
Kernel32Functions.SetLastError(ErrorCodes.ERROR_NO_MORE_FILES);
return(Handles.INVALID_HANDLE_VALUE);
}
// Path does not exists or is not directory
Kernel32Functions.SetLastError(ErrorCodes.ERROR_PATH_NOT_FOUND);
return(Handles.INVALID_HANDLE_VALUE);
}
catch
{
Kernel32Functions.SetLastError(ErrorCodes.ERROR_INVALID_FUNCTION);
return(Handles.INVALID_HANDLE_VALUE);
}
}
/// <summary>
/// When overridden in derived class, creates WIN32_FIND_DATA_ANSI
/// structure filled with informations from this instance.
/// </summary>
internal WIN32_FIND_DATA_ANSI ToFindDataAnsi()
{
var result = new WIN32_FIND_DATA_ANSI();
result.cFileName = Name;
FillFindDataAnsi(ref result);
return(result);
}
internal bool FindNext(IntPtr enumerationId, ref WIN32_FIND_DATA_ANSI findData)
{
try
{
var enumerator = m_EnumerationsManager.Get(enumerationId);
if (enumerator.MoveNext())
{
findData = enumerator.Current.ToFindDataAnsi();
return(true);
}
else
{
return(false);
}
}
catch
{
return(false);
}
}
internal override void FillFindDataAnsi(ref WIN32_FIND_DATA_ANSI findData)
{
findData.dwFileAttributes |= 16;//Directory attribute
//ToDo: attributes, dates, etc.
}
internal override void FillFindDataAnsi(ref WIN32_FIND_DATA_ANSI findData)
{
//ToDo: Fill file size, attributes, dates, etc.
}
internal abstract void FillFindDataAnsi(ref WIN32_FIND_DATA_ANSI findData);
