private void CommonInit()
{
Contract.Assert(searchCriteria != null && searchData != null, "searchCriteria and searchData should be initialized");
// Execute searchCriteria against the current directory
String searchPath = Path.InternalCombine(searchData.fullPath, searchCriteria);
Win32Native.WIN32_FIND_DATA data = new Win32Native.WIN32_FIND_DATA();
// Open a Find handle
#if MONO
int error;
_hnd = new SafeFindHandle(MonoIO.FindFirstFile(searchPath, out data.cFileName, out data.dwFileAttributes, out error));
#else
_hnd = Win32Native.FindFirstFile(searchPath, data);
#endif
if (_hnd.IsInvalid)
{
#if MONO
int hr = error;
#else
int hr = Marshal.GetLastWin32Error();
#endif
if (hr != Win32Native.ERROR_FILE_NOT_FOUND && hr != Win32Native.ERROR_NO_MORE_FILES)
{
HandleError(hr, searchData.fullPath);
}
else
{
// flag this as empty only if we're searching just top directory
// Used in fast path for top directory only
empty = searchData.searchOption == SearchOption.TopDirectoryOnly;
}
}
// fast path for TopDirectoryOnly. If we have a result, go ahead and set it to
// current. If empty, dispose handle.
if (searchData.searchOption == SearchOption.TopDirectoryOnly)
{
if (empty)
{
_hnd.Dispose();
}
else
{
SearchResult searchResult = CreateSearchResult(searchData, data);
if (_resultHandler.IsResultIncluded(searchResult))
{
current = _resultHandler.CreateObject(searchResult);
}
}
}
// for AllDirectories, we first recurse into dirs, so cleanup and add searchData
// to the stack
else
{
_hnd.Dispose();
searchStack.Add(searchData);
}
}
private void CommonInit()
{
Contract.Assert(_searchCriteria != null && _searchData != null, "searchCriteria and searchData should be initialized");
// Execute searchCriteria against the current directory
PathHelpers.ThrowIfEmptyOrRootedPath(_searchCriteria);
String searchPath = Path.Combine(_searchData.fullPath, _searchCriteria);
Interop.WIN32_FIND_DATA data = new Interop.WIN32_FIND_DATA();
// Open a Find handle
_hnd = Interop.mincore.FindFirstFile(searchPath, ref data);
if (_hnd.IsInvalid)
{
int errorCode = Marshal.GetLastWin32Error();
if (errorCode != Interop.ERROR_FILE_NOT_FOUND && errorCode != Interop.ERROR_NO_MORE_FILES)
{
HandleError(errorCode, _searchData.fullPath);
}
else
{
// flag this as empty only if we're searching just top directory
// Used in fast path for top directory only
_empty = _searchData.searchOption == SearchOption.TopDirectoryOnly;
}
}
// fast path for TopDirectoryOnly. If we have a result, go ahead and set it to
// current. If empty, dispose handle.
if (_searchData.searchOption == SearchOption.TopDirectoryOnly)
{
if (_empty)
{
_hnd.Dispose();
}
else
{
SearchResult searchResult = CreateSearchResult(_searchData, data);
if (_resultHandler.IsResultIncluded(searchResult))
{
current = _resultHandler.CreateObject(searchResult);
}
}
}
// for AllDirectories, we first recurse into dirs, so cleanup and add searchData
// to the stack
else
{
_hnd.Dispose();
_searchStack.Add(_searchData);
}
}
private bool IsResultIncluded(ref Interop.mincore.WIN32_FIND_DATA findData, out TSource result)
{
Contract.Requires(findData.cFileName.Length != 0 && !Path.IsPathRooted(findData.cFileName),
"Expected file system enumeration to not have empty file/directory name and not have rooted name");
return(_resultHandler.IsResultIncluded(_searchData.FullPath, _searchData.UserPath, ref findData, out result));
}
private bool IsResultIncluded(ref Interop.Kernel32.WIN32_FIND_DATA findData, out TSource result)
{
Debug.Assert(findData.cFileName.Length != 0 && !Path.IsPathRooted(findData.cFileName.GetStringFromFixedBuffer()),
"Expected file system enumeration to not have empty file/directory name and not have rooted name");
return(_resultHandler.IsResultIncluded(_searchData.FullPath, _searchData.UserPath, ref findData, out result));
}
