public void Add(string tag)
{
if (_hashSet.Add(tag))
{
_list.Add(tag);
}
}
/// <summary>
/// Helper for finding language-named subdirectories in an installed FM directory.
/// </summary>
/// <param name="supportedHash"></param>
/// <param name="path"></param>
/// <param name="searchList"></param>
/// <param name="retList"></param>
/// <param name="earlyOutOnEnglish"></param>
/// <returns><see langword="true"/> if English was found and we quit the search early</returns>
internal static bool SearchDirForLanguages(
HashSetI supportedHash,
string path,
List <string> searchList,
HashSetI retList,
bool earlyOutOnEnglish)
{
path = NormalizeAndCheckPath(path, pathIsKnownValid: true);
using var findHandle = FindFirstFileExW(@"\\?\" + path + "\\*",
FINDEX_INFO_LEVELS.FindExInfoBasic, out WIN32_FIND_DATAW findData,
FINDEX_SEARCH_OPS.FindExSearchNameMatch, IntPtr.Zero, FIND_FIRST_EX_LARGE_FETCH);
if (findHandle.IsInvalid)
{
int err = Marshal.GetLastWin32Error();
if (err is ERROR_FILE_NOT_FOUND or ERROR_NO_MORE_FILES)
{
return(false);
}
ThrowException("*", err, path);
}
do
{
if ((findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY &&
// Just ignore reparse points and sidestep any problems
(findData.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) != FILE_ATTRIBUTE_REPARSE_POINT &&
findData.cFileName != "." && findData.cFileName != "..")
{
if (supportedHash.Contains(findData.cFileName))
{
// Add lang dir to found langs list, but not to search list - don't search within lang
// dirs (matching FMSel behavior)
retList.Add(findData.cFileName);
// Matching FMSel behavior: early-out on English
if (earlyOutOnEnglish && findData.cFileName.EqualsI("english"))
{
return(true);
}
}
else
{
searchList.Add(Path.Combine(path, findData.cFileName));
}
}
} while (FindNextFileW(findHandle, out findData));
return(false);
}
