1 files changed, 0 insertions, 692 deletions
diff --git a/src/base/UFilesystem.pas b/src/base/UFilesystem.pas
deleted file mode 100644
index d4972df5..00000000
--- a/src/base/UFilesystem.pas
+++ /dev/null
@@ -1,692 +0,0 @@
-{* UltraStar Deluxe - Karaoke Game
- *
- * UltraStar Deluxe is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *}
-
-unit UFilesystem;
-
-interface
-
-{$IFDEF FPC}
-  {$MODE Delphi}
-{$ENDIF}
-
-{$I switches.inc}
-
-uses
-  SysUtils,
-  Classes,
-  {$IFDEF MSWINDOWS}
-  Windows,
-  TntSysUtils,
-  {$ENDIF}
-  UPath;
-
-type
-  {$IFDEF MSWINDOWS}
-  TSytemSearchRec = TSearchRecW;
-  {$ELSE}
-  TSytemSearchRec = TSearchRec;
-  {$ENDIF}
-
-  TFileInfo = record
-    Time: integer;  // timestamp
-    Size: int64;    // file size (byte)
-    Attr: integer;  // file attributes
-    Name: IPath;    // basename with extension
-  end;
-
-  {**
-   * Iterates through the search results retrieved by FileFind().
-   * Example usage:
-   *   while(Iter.HasNext()) do
-   *     SearchRec := Iter.Next();
-   *}
-  IFileIterator = interface
-    function HasNext(): boolean;
-    function Next(): TFileInfo;
-  end;
-
-  {**
-   * Wrapper for SysUtils file functions.
-   * For documentation and examples, check the SysUtils equivalent.
-   *}
-  IFileSystem = interface
-    function ExpandFileName(const FileName: IPath): IPath;
-    function FileCreate(const FileName: IPath): THandle;
-    function DirectoryCreate(const Dir: IPath): boolean;
-    function FileOpen(const FileName: IPath; Mode: longword): THandle;
-    function FileAge(const FileName: IPath): integer; overload;
-    function FileAge(const FileName: IPath; out FileDateTime: TDateTime): boolean; overload;
-
-    function DirectoryExists(const Name: IPath): boolean;
-
-    {**
-     * On Windows: returns true only for files (not directories)
-     * On Apple/Unix: returns true for all kind of files (even directories)
-     * @seealso SysUtils.FileExists()
-     *}
-    function FileExists(const Name: IPath): boolean;
-
-    function FileGetAttr(const FileName: IPath): Cardinal;
-    function FileSetAttr(const FileName: IPath; Attr: integer): boolean;
-    function FileIsReadOnly(const FileName: IPath): boolean;
-    function FileSetReadOnly(const FileName: IPath; ReadOnly: boolean): boolean;
-    function FileIsAbsolute(const FileName: IPath): boolean;
-    function ForceDirectories(const Dir: IPath): boolean;
-    function RenameFile(const OldName, NewName: IPath): boolean;
-    function DeleteFile(const FileName: IPath): boolean;
-    function RemoveDir(const Dir: IPath): boolean;
-
-    {**
-     * Copies file Source to Target. If FailIfExists is true, the file is not
-     * copied if it already exists.
-     * Returns true if the file was successfully copied.
-     *}
-    function CopyFile(const Source, Target: IPath; FailIfExists: boolean): boolean;
-
-    function ExtractFileDrive(const FileName: IPath): IPath;
-    function ExtractFilePath(const FileName: IPath): IPath;
-    function ExtractFileDir(const FileName: IPath): IPath;
-    function ExtractFileName(const FileName: IPath): IPath;
-    function ExtractFileExt(const FileName: IPath): IPath;
-    function ExtractRelativePath(const BaseName: IPath; const FileName: IPath): IPath;
-
-    function ChangeFileExt(const FileName: IPath; const Extension: IPath): IPath;
-
-    function IncludeTrailingPathDelimiter(const FileName: IPath): IPath;
-    function ExcludeTrailingPathDelimiter(const FileName: IPath): IPath;
-
-    {**
-     * Searches for a file with filename Name in the directories given in DirList.
-     *}
-    function FileSearch(const Name: IPath; DirList: array of IPath): IPath;
-
-    {**
-     * More convenient version of FindFirst/Next/Close with iterator support.
-     *}
-    function FileFind(const FilePattern: IPath; Attr: integer): IFileIterator;
-
-    {**
-     * Old style search functions. Use FileFind() instead.
-     *}
-    function FindFirst(const FilePattern: IPath; Attr: integer; var F: TSytemSearchRec): integer;
-    function FindNext(var F: TSytemSearchRec): integer;
-    procedure FindClose(var F: TSytemSearchRec);
-
-    function GetCurrentDir: IPath;
-    function SetCurrentDir(const Dir: IPath): boolean;
-
-    {**
-     * Returns true if the filesystem is case-sensitive.
-     *}
-    function IsCaseSensitive(): boolean;
-  end;
-
-  function FileSystem(): IFileSystem;
-
-implementation
-
-type
-  TFileSystemImpl = class(TInterfacedObject, IFileSystem)
-  public
-    function ExpandFileName(const FileName: IPath): IPath;
-    function FileCreate(const FileName: IPath): THandle;
-    function DirectoryCreate(const Dir: IPath): boolean;
-    function FileOpen(const FileName: IPath; Mode: longword): THandle;
-    function FileAge(const FileName: IPath): integer; overload;
-    function FileAge(const FileName: IPath; out FileDateTime: TDateTime): boolean; overload;
-    function DirectoryExists(const Name: IPath): boolean;
-    function FileExists(const Name: IPath): boolean;
-    function FileGetAttr(const FileName: IPath): Cardinal;
-    function FileSetAttr(const FileName: IPath; Attr: integer): boolean;
-    function FileIsReadOnly(const FileName: IPath): boolean;
-    function FileSetReadOnly(const FileName: IPath; ReadOnly: boolean): boolean;
-    function FileIsAbsolute(const FileName: IPath): boolean;
-    function ForceDirectories(const Dir: IPath): boolean;
-    function RenameFile(const OldName, NewName: IPath): boolean;
-    function DeleteFile(const FileName: IPath): boolean;
-    function RemoveDir(const Dir: IPath): boolean;
-    function CopyFile(const Source, Target: IPath; FailIfExists: boolean): boolean;
-
-    function ExtractFileDrive(const FileName: IPath): IPath;
-    function ExtractFilePath(const FileName: IPath): IPath;
-    function ExtractFileDir(const FileName: IPath): IPath;
-    function ExtractFileName(const FileName: IPath): IPath;
-    function ExtractFileExt(const FileName: IPath): IPath;
-    function ExtractRelativePath(const BaseName: IPath; const FileName: IPath): IPath;
-    function ChangeFileExt(const FileName: IPath; const Extension: IPath): IPath;
-    function IncludeTrailingPathDelimiter(const FileName: IPath): IPath;
-    function ExcludeTrailingPathDelimiter(const FileName: IPath): IPath;
-
-    function FileSearch(const Name: IPath; DirList: array of IPath): IPath;
-    function FileFind(const FilePattern: IPath; Attr: integer): IFileIterator;
-
-    function FindFirst(const FilePattern: IPath; Attr: integer; var F: TSytemSearchRec): integer;
-    function FindNext(var F: TSytemSearchRec): integer;
-    procedure FindClose(var F: TSytemSearchRec);
-
-    function GetCurrentDir: IPath;
-    function SetCurrentDir(const Dir: IPath): boolean;
-
-    function IsCaseSensitive(): boolean;
-  end;
-
-  TFileIterator = class(TInterfacedObject, IFileIterator)
-  private
-    fHasNext: boolean;
-    fSearchRec: TSytemSearchRec;
-  public
-    constructor Create(const FilePattern: IPath; Attr: integer);
-    destructor Destroy(); override;
-
-    function HasNext(): boolean;
-    function Next(): TFileInfo;
-  end;
-
-
-var
-  FileSystem_Singleton: IFileSystem;
-
-function FileSystem(): IFileSystem;
-begin
-  Result := FileSystem_Singleton;
-end;
-
-function TFileSystemImpl.FileFind(const FilePattern: IPath; Attr: integer): IFileIterator;
-begin
-  Result := TFileIterator.Create(FilePattern, Attr);
-end;
-
-function TFileSystemImpl.IsCaseSensitive(): boolean;
-begin
-  // Windows and Mac OS X do not have case sensitive file systems
-  {$IF Defined(MSWINDOWS) or Defined(DARWIN)}
-    Result := false;
-  {$ELSE}
-    Result := true;
-  {$IFEND}
-end;
-
-function TFileSystemImpl.FileIsAbsolute(const FileName: IPath): boolean;
-var
-  NameStr: UTF8String;
-begin
-  Result := true;
-  NameStr := FileName.ToUTF8();
-
-  {$IFDEF MSWINDOWS}
-    // check if drive is given 'C:...'
-    if (FileName.GetDrive().ToUTF8 <> '') then
-      Exit;
-    // check if path starts with '\\'
-    if (Length(NameStr) >= 2) and
-       (NameStr[1] = PathDelim) and (NameStr[2] = PathDelim) then
-      Exit;
-  {$ELSE} // Unix based systems
-    // check if root dir given '/...'
-    if (Length(NameStr) >= 1) and (NameStr[1] = PathDelim) then
-      Exit;
-  {$ENDIF}
-
-  Result := false;
-end;
-
-{$IFDEF MSWINDOWS}
-
-function TFileSystemImpl.ExpandFileName(const FileName: IPath): IPath;
-begin
-  Result := Path(WideExpandFileName(FileName.ToWide()));
-end;
-
-function TFileSystemImpl.FileCreate(const FileName: IPath): THandle;
-begin
-  Result := WideFileCreate(FileName.ToWide());
-end;
-
-function TFileSystemImpl.DirectoryCreate(const Dir: IPath): boolean;
-begin
-  Result := WideCreateDir(Dir.ToWide());
-end;
-
-function TFileSystemImpl.FileOpen(const FileName: IPath; Mode: longword): THandle;
-begin
-  Result := WideFileOpen(FileName.ToWide(), Mode);
-end;
-
-function TFileSystemImpl.FileAge(const FileName: IPath): integer;
-begin
-  Result := WideFileAge(FileName.ToWide());
-end;
-
-function TFileSystemImpl.FileAge(const FileName: IPath; out FileDateTime: TDateTime): boolean;
-begin
-  Result := WideFileAge(FileName.ToWide(), FileDateTime);
-end;
-
-function TFileSystemImpl.DirectoryExists(const Name: IPath): boolean;
-begin
-  Result := WideDirectoryExists(Name.ToWide());
-end;
-
-function TFileSystemImpl.FileExists(const Name: IPath): boolean;
-begin
-  Result := WideFileExists(Name.ToWide());
-end;
-
-function TFileSystemImpl.FileGetAttr(const FileName: IPath): Cardinal;
-begin
-  Result := WideFileGetAttr(FileName.ToWide());
-end;
-
-function TFileSystemImpl.FileSetAttr(const FileName: IPath; Attr: integer): boolean;
-begin
-  Result := WideFileSetAttr(FileName.ToWide(), Attr);
-end;
-
-function TFileSystemImpl.FileIsReadOnly(const FileName: IPath): boolean;
-begin
-  Result := WideFileIsReadOnly(FileName.ToWide());
-end;
-
-function TFileSystemImpl.FileSetReadOnly(const FileName: IPath; ReadOnly: boolean): boolean;
-begin
-  Result := WideFileSetReadOnly(FileName.ToWide(), ReadOnly);
-end;
-
-function TFileSystemImpl.ForceDirectories(const Dir: IPath): boolean;
-begin
-  Result := WideForceDirectories(Dir.ToWide());
-end;
-
-function TFileSystemImpl.FileSearch(const Name: IPath; DirList: array of IPath): IPath;
-var
-  I: integer;
-  DirListStr: WideString;
-begin
-  DirListStr := '';
-  for I := 0 to High(DirList) do
-  begin
-    if (I > 0) then
-      DirListStr := DirListStr + PathSep;
-    DirListStr := DirListStr + DirList[I].ToWide();
-  end;
-  Result := Path(WideFileSearch(Name.ToWide(), DirListStr));
-end;
-
-function TFileSystemImpl.RenameFile(const OldName, NewName: IPath): boolean;
-begin
-  Result := WideRenameFile(OldName.ToWide(), NewName.ToWide());
-end;
-
-function TFileSystemImpl.DeleteFile(const FileName: IPath): boolean;
-begin
-  Result := WideDeleteFile(FileName.ToWide());
-end;
-
-function TFileSystemImpl.RemoveDir(const Dir: IPath): boolean;
-begin
-  Result := WideRemoveDir(Dir.ToWide());
-end;
-
-function TFileSystemImpl.CopyFile(const Source, Target: IPath; FailIfExists: boolean): boolean;
-begin
-  Result := WideCopyFile(Source.ToWide(), Target.ToWide(), FailIfExists);
-end;
-
-function TFileSystemImpl.ExtractFileDrive(const FileName: IPath): IPath;
-begin
-  Result := Path(WideExtractFileDrive(FileName.ToWide()));
-end;
-
-function TFileSystemImpl.ExtractFilePath(const FileName: IPath): IPath;
-begin
-  Result := Path(WideExtractFilePath(FileName.ToWide()));
-end;
-
-function TFileSystemImpl.ExtractFileDir(const FileName: IPath): IPath;
-begin
-  Result := Path(WideExtractFileDir(FileName.ToWide()));
-end;
-
-function TFileSystemImpl.ExtractFileName(const FileName: IPath): IPath;
-begin
-  Result := Path(WideExtractFileName(FileName.ToWide()));
-end;
-
-function TFileSystemImpl.ExtractFileExt(const FileName: IPath): IPath;
-begin
-  Result := Path(WideExtractFileExt(FileName.ToWide()));
-end;
-
-function TFileSystemImpl.ExtractRelativePath(const BaseName: IPath; const FileName: IPath): IPath;
-begin
-  Result := Path(WideExtractRelativePath(BaseName.ToWide(), FileName.ToWide()));
-end;
-
-function TFileSystemImpl.ChangeFileExt(const FileName: IPath; const Extension: IPath): IPath;
-begin
-  Result := Path(WideChangeFileExt(FileName.ToWide(), Extension.ToWide()));
-end;
-
-function TFileSystemImpl.IncludeTrailingPathDelimiter(const FileName: IPath): IPath;
-begin
-  Result := Path(WideIncludeTrailingPathDelimiter(FileName.ToWide()));
-end;
-
-function TFileSystemImpl.ExcludeTrailingPathDelimiter(const FileName: IPath): IPath;
-begin
-  Result := Path(WideExcludeTrailingPathDelimiter(FileName.ToWide()));
-end;
-
-function TFileSystemImpl.FindFirst(const FilePattern: IPath; Attr: integer; var F: TSytemSearchRec): integer;
-begin
-  Result := WideFindFirst(FilePattern.ToWide(), Attr, F);
-end;
-
-function TFileSystemImpl.FindNext(var F: TSytemSearchRec): integer;
-begin
-  Result := WideFindNext(F);
-end;
-
-procedure TFileSystemImpl.FindClose(var F: TSytemSearchRec);
-begin
-  WideFindClose(F);
-end;
-
-function TFileSystemImpl.GetCurrentDir: IPath;
-begin
-  Result := Path(WideGetCurrentDir());
-end;
-
-function TFileSystemImpl.SetCurrentDir(const Dir: IPath): boolean;
-begin
-  Result := WideSetCurrentDir(Dir.ToWide());
-end;
-
-{$ELSE} // UNIX
-
-function TFileSystemImpl.ExpandFileName(const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.ExpandFileName(FileName.ToNative()));
-end;
-
-function TFileSystemImpl.FileCreate(const FileName: IPath): THandle;
-begin
-  Result := SysUtils.FileCreate(FileName.ToNative());
-end;
-
-function TFileSystemImpl.DirectoryCreate(const Dir: IPath): boolean;
-begin
-  Result := SysUtils.CreateDir(Dir.ToNative());
-end;
-
-function TFileSystemImpl.FileOpen(const FileName: IPath; Mode: longword): THandle;
-begin
-  Result := SysUtils.FileOpen(FileName.ToNative(), Mode);
-end;
-
-function TFileSystemImpl.FileAge(const FileName: IPath): integer;
-begin
-  Result := SysUtils.FileAge(FileName.ToNative());
-end;
-
-function TFileSystemImpl.FileAge(const FileName: IPath; out FileDateTime: TDateTime): boolean;
-var
-  FileDate: integer;
-begin
-  FileDate := SysUtils.FileAge(FileName.ToNative());
-  Result := (FileDate <> -1);
-  if (Result) then
-    FileDateTime := FileDateToDateTime(FileDate);
-end;
-
-function TFileSystemImpl.DirectoryExists(const Name: IPath): boolean;
-begin
-  Result := SysUtils.DirectoryExists(Name.ToNative());
-end;
-
-function TFileSystemImpl.FileExists(const Name: IPath): boolean;
-begin
-  Result := SysUtils.FileExists(Name.ToNative());
-end;
-
-function TFileSystemImpl.FileGetAttr(const FileName: IPath): Cardinal;
-begin
-  Result := SysUtils.FileGetAttr(FileName.ToNative());
-end;
-
-function TFileSystemImpl.FileSetAttr(const FileName: IPath; Attr: integer): boolean;
-begin
-  Result := (SysUtils.FileSetAttr(FileName.ToNative(), Attr) = 0);
-end;
-
-function TFileSystemImpl.FileIsReadOnly(const FileName: IPath): boolean;
-begin
-  Result := SysUtils.FileIsReadOnly(FileName.ToNative());
-end;
-
-function TFileSystemImpl.FileSetReadOnly(const FileName: IPath; ReadOnly: boolean): boolean;
-begin
-  Result := (SysUtils.FileSetAttr(FileName.ToNative(), faReadOnly) = 0);
-end;
-
-function TFileSystemImpl.ForceDirectories(const Dir: IPath): boolean;
-begin
-  Result := SysUtils.ForceDirectories(Dir.ToNative());
-end;
-
-function TFileSystemImpl.FileSearch(const Name: IPath; DirList: array of IPath): IPath;
-var
-  I: integer;
-  DirListStr: AnsiString;
-begin
-  DirListStr := '';
-  for I := 0 to High(DirList) do
-  begin
-    if (I > 0) then
-      DirListStr := DirListStr + PathSep;
-    DirListStr := DirListStr + DirList[I].ToNative();
-  end;
-  Result := Path(SysUtils.FileSearch(Name.ToNative(), DirListStr));
-end;
-
-function TFileSystemImpl.RenameFile(const OldName, NewName: IPath): boolean;
-begin
-  Result := SysUtils.RenameFile(OldName.ToNative(), NewName.ToNative());
-end;
-
-function TFileSystemImpl.DeleteFile(const FileName: IPath): boolean;
-begin
-  Result := SysUtils.DeleteFile(FileName.ToNative());
-end;
-
-function TFileSystemImpl.RemoveDir(const Dir: IPath): boolean;
-begin
-  Result := SysUtils.RemoveDir(Dir.ToNative());
-end;
-
-function TFileSystemImpl.CopyFile(const Source, Target: IPath; FailIfExists: boolean): boolean;
-const
-  COPY_BUFFER_SIZE = 4096; // a good tradeoff between speed and memory consumption
-var
-  SourceFile, TargetFile: TFileStream;
-  FileCopyBuffer: array [0..COPY_BUFFER_SIZE-1] of byte; // temporary copy-buffer.
-  NumberOfBytes: integer; // number of bytes read from SourceFile
-begin
-  Result := false;
-  SourceFile := nil;
-  TargetFile := nil;
-
-  // if overwrite is disabled return if the target file already exists
-  if (FailIfExists and FileExists(Target)) then
-    Exit;
-
-  try
-    try
-      // open source and target file (might throw an exception on error)
-      SourceFile := TFileStream.Create(Source.ToNative(), fmOpenRead);
-      TargetFile := TFileStream.Create(Target.ToNative(), fmCreate or fmOpenWrite);
-
-      while true do
-      begin
-        // read a block from the source file and check for errors or EOF
-        NumberOfBytes := SourceFile.Read(FileCopyBuffer, SizeOf(FileCopyBuffer));
-        if (NumberOfBytes <= 0) then
-          Break;
-        // write block to target file and check if everything was written
-        if (TargetFile.Write(FileCopyBuffer, NumberOfBytes) <> NumberOfBytes) then
-          Exit;
-      end;
-    except
-      Exit;
-    end;
-  finally
-    SourceFile.Free;
-    TargetFile.Free;
-  end;
-
-  Result := true;
-end;
-
-function TFileSystemImpl.ExtractFileDrive(const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.ExtractFileDrive(FileName.ToNative()));
-end;
-
-function TFileSystemImpl.ExtractFilePath(const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.ExtractFilePath(FileName.ToNative()));
-end;
-
-function TFileSystemImpl.ExtractFileDir(const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.ExtractFileDir(FileName.ToNative()));
-end;
-
-function TFileSystemImpl.ExtractFileName(const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.ExtractFileName(FileName.ToNative()));
-end;
-
-function TFileSystemImpl.ExtractFileExt(const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.ExtractFileExt(FileName.ToNative()));
-end;
-
-function TFileSystemImpl.ExtractRelativePath(const BaseName: IPath; const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.ExtractRelativePath(BaseName.ToNative(), FileName.ToNative()));
-end;
-
-function TFileSystemImpl.ChangeFileExt(const FileName: IPath; const Extension: IPath): IPath;
-begin
-  Result := Path(SysUtils.ChangeFileExt(FileName.ToNative(), Extension.ToNative()));
-end;
-
-function TFileSystemImpl.IncludeTrailingPathDelimiter(const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.IncludeTrailingPathDelimiter(FileName.ToNative()));
-end;
-
-function TFileSystemImpl.ExcludeTrailingPathDelimiter(const FileName: IPath): IPath;
-begin
-  Result := Path(SysUtils.ExcludeTrailingPathDelimiter(FileName.ToNative()));
-end;
-
-function TFileSystemImpl.FindFirst(const FilePattern: IPath; Attr: integer; var F: TSytemSearchRec): integer;
-begin
-  Result := SysUtils.FindFirst(FilePattern.ToNative(), Attr, F);
-end;
-
-function TFileSystemImpl.FindNext(var F: TSytemSearchRec): integer;
-begin
-  Result := SysUtils.FindNext(F);
-end;
-
-procedure TFileSystemImpl.FindClose(var F: TSytemSearchRec);
-begin
-  SysUtils.FindClose(F);
-end;
-
-function TFileSystemImpl.GetCurrentDir: IPath;
-begin
-  Result := Path(SysUtils.GetCurrentDir());
-end;
-
-function TFileSystemImpl.SetCurrentDir(const Dir: IPath): boolean;
-begin
-  Result := SysUtils.SetCurrentDir(Dir.ToNative());
-end;
-
-{$ENDIF}
-
-
-{ TFileIterator }
-
-constructor TFileIterator.Create(const FilePattern: IPath; Attr: integer);
-begin
-  inherited Create();
-  fHasNext := (FileSystem.FindFirst(FilePattern, Attr, fSearchRec) = 0);
-end;
-
-destructor TFileIterator.Destroy();
-begin
-  FileSystem.FindClose(fSearchRec);
-  inherited;
-end;
-
-function TFileIterator.HasNext(): boolean;
-begin
-  Result := fHasNext;
-end;
-
-function TFileIterator.Next(): TFileInfo;
-begin
-  if (not fHasNext) then
-  begin
-    // Note: do not use FillChar() on records with ref-counted fields
-    Result.Time := 0;
-    Result.Size := 0;
-    Result.Attr := 0;
-    Result.Name := nil;
-    Exit;
-  end;
-
-  Result.Time := fSearchRec.Time;
-  Result.Size := fSearchRec.Size;
-  Result.Attr := fSearchRec.Attr;
-  Result.Name := Path(fSearchRec.Name);
-
-  // fetch next entry
-  fHasNext := (FileSystem.FindNext(fSearchRec) = 0);
-end;
-
-
-initialization
-  FileSystem_Singleton := TFileSystemImpl.Create;
-
-finalization
-  FileSystem_Singleton := nil;
-
-end.