Plugin is not adapted until someone can compile it and tell others how to do the same

git-svn-id: http://svn.miranda-ng.org/main/trunk@1809 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 1780 insertions, 0 deletions

diff --git a/plugins/!NotAdopted/Chess4Net/lib/TntUnicodeControls/Source/TntClasses.pas b/plugins/!NotAdopted/Chess4Net/lib/TntUnicodeControls/Source/TntClasses.pas
new file mode 100644
index 0000000000..e99c0fa3a5
--- /dev/null
+++ b/plugins/!NotAdopted/Chess4Net/lib/TntUnicodeControls/Source/TntClasses.pas
@@ -0,0 +1,1780 @@
+

+{*****************************************************************************}

+{                                                                             }

+{    Tnt Delphi Unicode Controls                                              }

+{      http://www.tntware.com/delphicontrols/unicode/                         }

+{        Version: 2.3.0                                                       }

+{                                                                             }

+{    Copyright (c) 2002-2007, Troy Wolbrink (troy.wolbrink@tntware.com)       }

+{                                                                             }

+{*****************************************************************************}

+

+unit TntClasses;

+

+{$INCLUDE TntCompilers.inc}

+

+interface

+

+{ TODO: Consider: TTntRegIniFile, TTntMemIniFile (consider if UTF8 fits into this solution). }

+

+{***********************************************}

+{  WideChar-streaming implemented by Maël Hörz  }

+{***********************************************}

+

+uses

+  Classes, SysUtils, Windows,

+  {$IFNDEF COMPILER_10_UP}

+  TntWideStrings,

+  {$ELSE}

+  WideStrings,

+  {$ENDIF}

+  ActiveX, Contnrs;

+

+// ......... introduced .........

+type

+  TTntStreamCharSet = (csAnsi, csUnicode, csUnicodeSwapped, csUtf8);

+

+function AutoDetectCharacterSet(Stream: TStream): TTntStreamCharSet;

+

+//---------------------------------------------------------------------------------------------

+//                                 Tnt - Classes

+//---------------------------------------------------------------------------------------------

+

+{TNT-WARN ExtractStrings}

+{TNT-WARN LineStart}

+{TNT-WARN TStringStream}   // TODO: Implement a TWideStringStream

+

+// A potential implementation of TWideStringStream can be found at:

+//   http://kdsxml.cvs.sourceforge.net/kdsxml/Global/KDSClasses.pas?revision=1.10&view=markup

+

+procedure TntPersistent_AfterInherited_DefineProperties(Filer: TFiler; Instance: TPersistent);

+

+type

+{TNT-WARN TFileStream}

+  TTntFileStream = class(THandleStream)

+  public

+    constructor Create(const FileName: WideString; Mode: Word);

+    destructor Destroy; override;

+  end;

+

+{TNT-WARN TMemoryStream}

+  TTntMemoryStream = class(TMemoryStream{TNT-ALLOW TMemoryStream})

+  public

+    procedure LoadFromFile(const FileName: WideString);

+    procedure SaveToFile(const FileName: WideString);

+  end;

+

+{TNT-WARN TResourceStream}

+  TTntResourceStream = class(TCustomMemoryStream)

+  private

+    HResInfo: HRSRC;

+    HGlobal: THandle;

+    procedure Initialize(Instance: THandle; Name, ResType: PWideChar);

+  public

+    constructor Create(Instance: THandle; const ResName: WideString; ResType: PWideChar);

+    constructor CreateFromID(Instance: THandle; ResID: Word; ResType: PWideChar);

+    destructor Destroy; override;

+    function Write(const Buffer; Count: Longint): Longint; override;

+    procedure SaveToFile(const FileName: WideString);

+  end;

+

+  TTntStrings = class;

+

+{TNT-WARN TAnsiStrings}

+  TAnsiStrings{TNT-ALLOW TAnsiStrings} = class(TStrings{TNT-ALLOW TStrings})

+  public

+    procedure LoadFromFile(const FileName: WideString); reintroduce;

+    procedure SaveToFile(const FileName: WideString); reintroduce;

+    procedure LoadFromFileEx(const FileName: WideString; CodePage: Cardinal);

+    procedure SaveToFileEx(const FileName: WideString; CodePage: Cardinal);

+    procedure LoadFromStreamEx(Stream: TStream; CodePage: Cardinal); virtual; abstract;

+    procedure SaveToStreamEx(Stream: TStream; CodePage: Cardinal); virtual; abstract;

+  end;

+

+  TAnsiStringsForWideStringsAdapter = class(TAnsiStrings{TNT-ALLOW TAnsiStrings})

+  private

+    FWideStrings: TTntStrings;

+    FAdapterCodePage: Cardinal;

+  protected

+    function Get(Index: Integer): AnsiString; override;

+    procedure Put(Index: Integer; const S: AnsiString); override;

+    function GetCount: Integer; override;

+    function GetObject(Index: Integer): TObject; override;

+    procedure PutObject(Index: Integer; AObject: TObject); override;

+    procedure SetUpdateState(Updating: Boolean); override;

+    function AdapterCodePage: Cardinal; dynamic;

+  public

+    constructor Create(AWideStrings: TTntStrings; _AdapterCodePage: Cardinal = 0);

+    procedure Clear; override;

+    procedure Delete(Index: Integer); override;

+    procedure Insert(Index: Integer; const S: AnsiString); override;

+    procedure LoadFromStreamEx(Stream: TStream; CodePage: Cardinal); override;

+    procedure SaveToStreamEx(Stream: TStream; CodePage: Cardinal); override;

+  end;

+

+{TNT-WARN TStrings}

+  TTntStrings = class(TWideStrings)

+  private

+    FLastFileCharSet: TTntStreamCharSet;

+    FAnsiStrings: TAnsiStrings{TNT-ALLOW TAnsiStrings};

+    procedure SetAnsiStrings(const Value: TAnsiStrings{TNT-ALLOW TAnsiStrings});

+    procedure ReadData(Reader: TReader);

+    procedure ReadDataUTF7(Reader: TReader);

+    procedure ReadDataUTF8(Reader: TReader);

+    procedure WriteDataUTF7(Writer: TWriter);

+  protected

+    procedure DefineProperties(Filer: TFiler); override;

+  public

+    constructor Create;

+    destructor Destroy; override;

+

+    procedure LoadFromFile(const FileName: WideString); override;

+    procedure LoadFromStream(Stream: TStream); override;

+    procedure LoadFromStream_BOM(Stream: TStream; WithBOM: Boolean); virtual;

+

+    procedure SaveToFile(const FileName: WideString); override;

+    procedure SaveToStream(Stream: TStream); override;

+    procedure SaveToStream_BOM(Stream: TStream; WithBOM: Boolean); virtual;

+

+    property LastFileCharSet: TTntStreamCharSet read FLastFileCharSet;

+  published

+    property AnsiStrings: TAnsiStrings{TNT-ALLOW TAnsiStrings} read FAnsiStrings write SetAnsiStrings stored False;

+  end;

+

+{ TTntStringList class }

+

+  TTntStringList = class;

+  TWideStringListSortCompare = function(List: TTntStringList; Index1, Index2: Integer): Integer;

+

+{TNT-WARN TStringList}

+  TTntStringList = class(TTntStrings)

+  private

+    FUpdating: Boolean;

+    FList: PWideStringItemList;

+    FCount: Integer;

+    FCapacity: Integer;

+    FSorted: Boolean;

+    FDuplicates: TDuplicates;

+    FCaseSensitive: Boolean;

+    FOnChange: TNotifyEvent;

+    FOnChanging: TNotifyEvent;

+    procedure ExchangeItems(Index1, Index2: Integer);

+    procedure Grow;

+    procedure QuickSort(L, R: Integer; SCompare: TWideStringListSortCompare);

+    procedure SetSorted(Value: Boolean);

+    procedure SetCaseSensitive(const Value: Boolean);

+  protected

+    procedure Changed; virtual;

+    procedure Changing; virtual;

+    function Get(Index: Integer): WideString; override;

+    function GetCapacity: Integer; override;

+    function GetCount: Integer; override;

+    function GetObject(Index: Integer): TObject; override;

+    procedure Put(Index: Integer; const S: WideString); override;

+    procedure PutObject(Index: Integer; AObject: TObject); override;

+    procedure SetCapacity(NewCapacity: Integer); override;

+    procedure SetUpdateState(Updating: Boolean); override;

+    function CompareStrings(const S1, S2: WideString): Integer; override;

+    procedure InsertItem(Index: Integer; const S: WideString; AObject: TObject); virtual;

+  public

+    destructor Destroy; override;

+    function Add(const S: WideString): Integer; override;

+    function AddObject(const S: WideString; AObject: TObject): Integer; override;

+    procedure Clear; override;

+    procedure Delete(Index: Integer); override;

+    procedure Exchange(Index1, Index2: Integer); override;

+    function Find(const S: WideString; var Index: Integer): Boolean; virtual;

+    function IndexOf(const S: WideString): Integer; override;

+    function IndexOfName(const Name: WideString): Integer; override;

+    procedure Insert(Index: Integer; const S: WideString); override;

+    procedure InsertObject(Index: Integer; const S: WideString;

+      AObject: TObject); override;

+    procedure Sort; virtual;

+    procedure CustomSort(Compare: TWideStringListSortCompare); virtual;

+    property Duplicates: TDuplicates read FDuplicates write FDuplicates;

+    property Sorted: Boolean read FSorted write SetSorted;

+    property CaseSensitive: Boolean read FCaseSensitive write SetCaseSensitive;

+    property OnChange: TNotifyEvent read FOnChange write FOnChange;

+    property OnChanging: TNotifyEvent read FOnChanging write FOnChanging;

+  end;

+

+// ......... introduced .........

+type

+  TListTargetCompare = function (Item, Target: Pointer): Integer;

+

+function FindSortedListByTarget(List: TList; TargetCompare: TListTargetCompare;

+  Target: Pointer; var Index: Integer): Boolean;

+

+function ClassIsRegistered(const clsid: TCLSID): Boolean;

+

+var

+  RuntimeUTFStreaming: Boolean;

+

+type

+  TBufferedAnsiString = class(TObject)

+  private

+    FStringBuffer: AnsiString;

+    LastWriteIndex: Integer;

+  public

+    procedure Clear;

+    procedure AddChar(const wc: AnsiChar);

+    procedure AddString(const s: AnsiString);

+    procedure AddBuffer(Buff: PAnsiChar; Chars: Integer);

+    function Value: AnsiString;

+    function BuffPtr: PAnsiChar;

+  end;

+

+  TBufferedWideString = class(TObject)

+  private

+    FStringBuffer: WideString;

+    LastWriteIndex: Integer;

+  public

+    procedure Clear;

+    procedure AddChar(const wc: WideChar);

+    procedure AddString(const s: WideString);

+    procedure AddBuffer(Buff: PWideChar; Chars: Integer);

+    function Value: WideString;

+    function BuffPtr: PWideChar;

+  end;

+

+  TBufferedStreamReader = class(TStream)

+  private

+    FStream: TStream;

+    FStreamSize: Integer;

+    FBuffer: array of Byte;

+    FBufferSize: Integer;

+    FBufferStartPosition: Integer;

+    FVirtualPosition: Integer;

+    procedure UpdateBufferFromPosition(StartPos: Integer);

+  public

+    constructor Create(Stream: TStream; BufferSize: Integer = 1024);

+    function Read(var Buffer; Count: Longint): Longint; override;

+    function Write(const Buffer; Count: Longint): Longint; override;

+    function Seek(Offset: Longint; Origin: Word): Longint; override;

+  end;

+

+// "synced" wide string

+type TSetAnsiStrEvent = procedure(const Value: AnsiString) of object;

+function GetSyncedWideString(var WideStr: WideString; const AnsiStr: AnsiString): WideString;

+procedure SetSyncedWideString(const Value: WideString; var WideStr: WideString;

+  const AnsiStr: AnsiString; SetAnsiStr: TSetAnsiStrEvent);

+

+type

+  TWideComponentHelper = class(TComponent)

+  private

+    FComponent: TComponent;

+  protected

+    procedure Notification(AComponent: TComponent; Operation: TOperation); override;

+  public

+    constructor Create(AOwner: TComponent); override;

+    constructor CreateHelper(AOwner: TComponent; ComponentHelperList: TComponentList);

+  end;

+

+function FindWideComponentHelper(ComponentHelperList: TComponentList; Component: TComponent): TWideComponentHelper;

+

+implementation

+

+uses

+  RTLConsts, ComObj, Math,

+  Registry, TypInfo, TntSystem, TntSysUtils;

+

+{ TntPersistent }

+

+//===========================================================================

+//   The Delphi 5 Classes.pas never supported the streaming of WideStrings.

+//   The Delphi 6 Classes.pas supports WideString streaming.  But it's too bad that

+//     the Delphi 6 IDE doesn't use the updated Classes.pas.  Switching between Form/Text

+//       mode corrupts extended characters in WideStrings even under Delphi 6.

+//   Delphi 7 seems to finally get right.  But let's keep the UTF7 support at design time

+//     to enable sharing source code with previous versions of Delphi.

+//

+//   The purpose of this solution is to store WideString properties which contain

+//     non-ASCII chars in the form of UTF7 under the old property name + '_UTF7'.

+//

+//   Special thanks go to Francisco Leong for helping to develop this solution.

+//

+

+{ TTntWideStringPropertyFiler }

+type

+  TTntWideStringPropertyFiler = class

+  private

+    FInstance: TPersistent;

+    FPropInfo: PPropInfo;

+    procedure ReadDataUTF8(Reader: TReader);

+    procedure ReadDataUTF7(Reader: TReader);

+    procedure WriteDataUTF7(Writer: TWriter);

+  public

+    procedure DefineProperties(Filer: TFiler; Instance: TPersistent; PropName: AnsiString);

+  end;

+

+function ReaderNeedsUtfHelp(Reader: TReader): Boolean;

+begin

+  if Reader.Owner = nil then

+    Result := False { designtime - visual form inheritance ancestor }

+  else if csDesigning in Reader.Owner.ComponentState then

+    {$IFDEF COMPILER_7_UP}

+    Result := False { Delphi 7+: designtime - doesn't need UTF help. }

+    {$ELSE}

+    Result := True { Delphi 6: designtime - always needs UTF help. }

+    {$ENDIF}

+  else

+    Result := RuntimeUTFStreaming; { runtime }

+end;

+

+procedure TTntWideStringPropertyFiler.ReadDataUTF8(Reader: TReader);

+begin

+  if ReaderNeedsUtfHelp(Reader) then

+    SetWideStrProp(FInstance, FPropInfo, UTF8ToWideString(Reader.ReadString))

+  else

+    Reader.ReadString; { do nothing with Result }

+end;

+

+procedure TTntWideStringPropertyFiler.ReadDataUTF7(Reader: TReader);

+begin

+  if ReaderNeedsUtfHelp(Reader) then

+    SetWideStrProp(FInstance, FPropInfo, UTF7ToWideString(Reader.ReadString))

+  else

+    Reader.ReadString; { do nothing with Result }

+end;

+

+procedure TTntWideStringPropertyFiler.WriteDataUTF7(Writer: TWriter);

+begin

+  Writer.WriteString(WideStringToUTF7(GetWideStrProp(FInstance, FPropInfo)));

+end;

+

+procedure TTntWideStringPropertyFiler.DefineProperties(Filer: TFiler; Instance: TPersistent;

+  PropName: AnsiString);

+

+  {$IFNDEF COMPILER_7_UP}

+  function HasData: Boolean;

+  var

+    CurrPropValue: WideString;

+  begin

+    // must be stored

+    Result := IsStoredProp(Instance, FPropInfo);

+    if Result

+    and (Filer.Ancestor <> nil)

+    and (GetPropInfo(Filer.Ancestor, PropName, [tkWString]) <> nil) then

+    begin

+      // must be different than ancestor

+      CurrPropValue := GetWideStrProp(Instance, FPropInfo);

+      Result := CurrPropValue <> GetWideStrProp(Filer.Ancestor, GetPropInfo(Filer.Ancestor, PropName));

+    end;

+    if Result then begin

+      // must be non-blank and different than UTF8 (implies all ASCII <= 127)

+      CurrPropValue := GetWideStrProp(Instance, FPropInfo);

+      Result := (CurrPropValue <> '') and (WideStringToUTF8(CurrPropValue) <> CurrPropValue);

+    end;

+  end;

+  {$ENDIF}

+

+begin

+  FInstance := Instance;

+  FPropInfo := GetPropInfo(Instance, PropName, [tkWString]);

+  if FPropInfo <> nil then begin

+    // must be published (and of type WideString)

+    Filer.DefineProperty(PropName + 'W', ReadDataUTF8, nil, False);

+    {$IFDEF COMPILER_7_UP}

+    Filer.DefineProperty(PropName + '_UTF7', ReadDataUTF7, WriteDataUTF7, False);

+    {$ELSE}

+    Filer.DefineProperty(PropName + '_UTF7', ReadDataUTF7, WriteDataUTF7, HasData);

+    {$ENDIF}

+  end;

+  FInstance := nil;

+  FPropInfo := nil;

+end;

+

+{ TTntWideCharPropertyFiler }

+type

+  TTntWideCharPropertyFiler = class

+  private

+    FInstance: TPersistent;

+    FPropInfo: PPropInfo;

+    {$IFNDEF COMPILER_9_UP}

+    FWriter: TWriter;

+    procedure GetLookupInfo(var Ancestor: TPersistent;

+      var Root, LookupRoot, RootAncestor: TComponent);

+    {$ENDIF}

+    procedure ReadData_W(Reader: TReader);

+    procedure ReadDataUTF7(Reader: TReader);

+    procedure WriteData_W(Writer: TWriter);

+    function ReadChar(Reader: TReader): WideChar;

+  public

+    procedure DefineProperties(Filer: TFiler; Instance: TPersistent; PropName: AnsiString);

+  end;

+

+{$IFNDEF COMPILER_9_UP}

+type

+  TGetLookupInfoEvent = procedure(var Ancestor: TPersistent;

+    var Root, LookupRoot, RootAncestor: TComponent) of object;

+

+function AncestorIsValid(Ancestor: TPersistent; Root, RootAncestor: TComponent): Boolean;

+begin

+  Result := (Ancestor <> nil) and (RootAncestor <> nil) and

+            Root.InheritsFrom(RootAncestor.ClassType);

+end;

+

+function IsDefaultOrdPropertyValue(Instance: TObject; PropInfo: PPropInfo;

+  OnGetLookupInfo: TGetLookupInfoEvent): Boolean;

+var

+  Ancestor: TPersistent;

+  LookupRoot: TComponent;

+  RootAncestor: TComponent;

+  Root: TComponent;

+  AncestorValid: Boolean;

+  Value: Longint;

+  Default: LongInt;

+begin

+  Ancestor := nil;

+  Root := nil;

+  LookupRoot := nil;

+  RootAncestor := nil;

+

+  if Assigned(OnGetLookupInfo) then

+    OnGetLookupInfo(Ancestor, Root, LookupRoot, RootAncestor);

+

+  AncestorValid := AncestorIsValid(Ancestor, Root, RootAncestor);

+

+  Result := True;

+  if (PropInfo^.GetProc <> nil) and (PropInfo^.SetProc <> nil) then

+  begin

+    Value := GetOrdProp(Instance, PropInfo);

+    if AncestorValid then

+      Result := Value = GetOrdProp(Ancestor, PropInfo)

+    else

+    begin

+      Default := PPropInfo(PropInfo)^.Default;

+      Result :=  (Default <> LongInt($80000000)) and (Value = Default);

+    end;

+  end;

+end;

+

+procedure TTntWideCharPropertyFiler.GetLookupInfo(var Ancestor: TPersistent;

+  var Root, LookupRoot, RootAncestor: TComponent);

+begin

+  Ancestor := FWriter.Ancestor;

+  Root := FWriter.Root;

+  LookupRoot := FWriter.LookupRoot;

+  RootAncestor := FWriter.RootAncestor;

+end;

+{$ENDIF}

+

+function TTntWideCharPropertyFiler.ReadChar(Reader: TReader): WideChar;

+var

+  Temp: WideString;

+begin

+  case Reader.NextValue of

+    vaWString:

+      Temp := Reader.ReadWideString;

+    vaString:

+      Temp := Reader.ReadString;

+    else

+      raise EReadError.Create(SInvalidPropertyValue);

+  end;

+

+  if Length(Temp) > 1 then

+    raise EReadError.Create(SInvalidPropertyValue);

+  Result := Temp[1];

+end;

+

+procedure TTntWideCharPropertyFiler.ReadData_W(Reader: TReader);

+begin

+  SetOrdProp(FInstance, FPropInfo, Ord(ReadChar(Reader)));

+end;

+

+procedure TTntWideCharPropertyFiler.ReadDataUTF7(Reader: TReader);

+var

+  S: WideString;

+begin

+  S := UTF7ToWideString(Reader.ReadString);

+  if S = '' then

+    SetOrdProp(FInstance, FPropInfo, 0)

+  else

+    SetOrdProp(FInstance, FPropInfo, Ord(S[1]))

+end;

+

+type TAccessWriter = class(TWriter);

+

+procedure TTntWideCharPropertyFiler.WriteData_W(Writer: TWriter);

+var

+  L: Integer;

+  Temp: WideString;

+begin

+  Temp := WideChar(GetOrdProp(FInstance, FPropInfo));

+

+  TAccessWriter(Writer).WriteValue(vaWString);

+  L := Length(Temp);

+  Writer.Write(L, SizeOf(Integer));

+  Writer.Write(Pointer(@Temp[1])^, L * 2);

+end;

+

+procedure TTntWideCharPropertyFiler.DefineProperties(Filer: TFiler;

+  Instance: TPersistent; PropName: AnsiString);

+

+  {$IFNDEF COMPILER_9_UP}

+  function HasData: Boolean;

+  var

+    CurrPropValue: Integer;

+  begin

+    // must be stored

+    Result := IsStoredProp(Instance, FPropInfo);

+    if Result and (Filer.Ancestor <> nil) and

+      (GetPropInfo(Filer.Ancestor, PropName, [tkWChar]) <> nil) then

+    begin

+      // must be different than ancestor

+      CurrPropValue := GetOrdProp(Instance, FPropInfo);

+      Result := CurrPropValue <> GetOrdProp(Filer.Ancestor, GetPropInfo(Filer.Ancestor, PropName));

+    end;

+    if Result and (Filer is TWriter) then

+    begin

+      FWriter := TWriter(Filer);

+      Result := not IsDefaultOrdPropertyValue(Instance, FPropInfo, GetLookupInfo);

+    end;

+  end;

+  {$ENDIF}

+

+begin

+  FInstance := Instance;

+  FPropInfo := GetPropInfo(Instance, PropName, [tkWChar]);

+  if FPropInfo <> nil then

+  begin

+    // must be published (and of type WideChar)

+    {$IFDEF COMPILER_9_UP}

+    Filer.DefineProperty(PropName + 'W', ReadData_W, WriteData_W, False);

+    {$ELSE}

+    Filer.DefineProperty(PropName + 'W', ReadData_W, WriteData_W, HasData);

+    {$ENDIF}

+    Filer.DefineProperty(PropName + '_UTF7', ReadDataUTF7, nil, False);

+  end;

+  FInstance := nil;

+  FPropInfo := nil;

+end;

+

+procedure TntPersistent_AfterInherited_DefineProperties(Filer: TFiler; Instance: TPersistent);

+var

+  I, Count: Integer;

+  PropInfo: PPropInfo;

+  PropList: PPropList;

+  WideStringFiler: TTntWideStringPropertyFiler;

+  WideCharFiler: TTntWideCharPropertyFiler;

+begin

+  Count := GetTypeData(Instance.ClassInfo)^.PropCount;

+  if Count > 0 then

+  begin

+    WideStringFiler := TTntWideStringPropertyFiler.Create;

+    try

+      WideCharFiler := TTntWideCharPropertyFiler.Create;

+      try

+        GetMem(PropList, Count * SizeOf(Pointer));

+        try

+          GetPropInfos(Instance.ClassInfo, PropList);

+          for I := 0 to Count - 1 do

+          begin

+            PropInfo := PropList^[I];

+            if (PropInfo = nil) then

+              break;

+            if (PropInfo.PropType^.Kind = tkWString) then

+              WideStringFiler.DefineProperties(Filer, Instance, PropInfo.Name)

+            else if (PropInfo.PropType^.Kind = tkWChar) then

+              WideCharFiler.DefineProperties(Filer, Instance, PropInfo.Name)

+          end;

+        finally

+          FreeMem(PropList, Count * SizeOf(Pointer));

+        end;

+      finally

+        WideCharFiler.Free;

+      end;

+    finally

+      WideStringFiler.Free;

+    end;

+  end;

+end;

+

+{ TTntFileStream }

+

+constructor TTntFileStream.Create(const FileName: WideString; Mode: Word);

+var

+  CreateHandle: Integer;

+  {$IFDEF DELPHI_7_UP}

+  ErrorMessage: WideString;

+  {$ENDIF}

+begin

+  if Mode = fmCreate then

+  begin

+    CreateHandle := WideFileCreate(FileName);

+    if CreateHandle < 0 then begin

+      {$IFDEF DELPHI_7_UP}

+      ErrorMessage := WideSysErrorMessage(GetLastError);

+      raise EFCreateError.CreateFmt(SFCreateErrorEx, [WideExpandFileName(FileName), ErrorMessage]);

+      {$ELSE}

+      raise EFCreateError.CreateFmt(SFCreateError, [WideExpandFileName(FileName)]);

+      {$ENDIF}

+    end;

+  end else

+  begin

+    CreateHandle := WideFileOpen(FileName, Mode);

+    if CreateHandle < 0 then begin

+      {$IFDEF DELPHI_7_UP}

+      ErrorMessage := WideSysErrorMessage(GetLastError);

+      raise EFOpenError.CreateFmt(SFOpenErrorEx, [WideExpandFileName(FileName), ErrorMessage]);

+      {$ELSE}

+      raise EFOpenError.CreateFmt(SFOpenError, [WideExpandFileName(FileName)]);

+      {$ENDIF}

+    end;

+  end;

+  inherited Create(CreateHandle);

+end;

+

+destructor TTntFileStream.Destroy;

+begin

+  if Handle >= 0 then FileClose(Handle);

+end;

+

+{ TTntMemoryStream }

+

+procedure TTntMemoryStream.LoadFromFile(const FileName: WideString);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite);

+  try

+    LoadFromStream(Stream);

+  finally

+    Stream.Free;

+  end;

+end;

+

+procedure TTntMemoryStream.SaveToFile(const FileName: WideString);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmCreate);

+  try

+    SaveToStream(Stream);

+  finally

+    Stream.Free;

+  end;

+end;

+

+{ TTntResourceStream }

+

+constructor TTntResourceStream.Create(Instance: THandle; const ResName: WideString;

+  ResType: PWideChar);

+begin

+  inherited Create;

+  Initialize(Instance, PWideChar(ResName), ResType);

+end;

+

+constructor TTntResourceStream.CreateFromID(Instance: THandle; ResID: Word;

+  ResType: PWideChar);

+begin

+  inherited Create;

+  Initialize(Instance, PWideChar(ResID), ResType);

+end;

+

+procedure TTntResourceStream.Initialize(Instance: THandle; Name, ResType: PWideChar);

+

+  procedure Error;

+  begin

+    raise EResNotFound.CreateFmt(SResNotFound, [Name]);

+  end;

+

+begin

+  HResInfo := FindResourceW(Instance, Name, ResType);

+  if HResInfo = 0 then Error;

+  HGlobal := LoadResource(Instance, HResInfo);

+  if HGlobal = 0 then Error;

+  SetPointer(LockResource(HGlobal), SizeOfResource(Instance, HResInfo));

+end;

+

+destructor TTntResourceStream.Destroy;

+begin

+  UnlockResource(HGlobal);

+  FreeResource(HGlobal); { Technically this is not necessary (MS KB #193678) }

+  inherited Destroy;

+end;

+

+function TTntResourceStream.Write(const Buffer; Count: Longint): Longint;

+begin

+  raise EStreamError.CreateRes(PResStringRec(@SCantWriteResourceStreamError));

+end;

+

+procedure TTntResourceStream.SaveToFile(const FileName: WideString);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmCreate);

+  try

+    SaveToStream(Stream);

+  finally

+    Stream.Free;

+  end;

+end;

+

+{ TAnsiStrings }

+

+procedure TAnsiStrings{TNT-ALLOW TAnsiStrings}.LoadFromFile(const FileName: WideString);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite);

+  try

+    LoadFromStream(Stream);

+  finally

+    Stream.Free;

+  end;

+end;

+

+procedure TAnsiStrings{TNT-ALLOW TAnsiStrings}.SaveToFile(const FileName: WideString);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmCreate);

+  try

+    SaveToStream(Stream);

+  finally

+    Stream.Free;

+  end;

+end;

+

+procedure TAnsiStrings{TNT-ALLOW TAnsiStrings}.LoadFromFileEx(const FileName: WideString; CodePage: Cardinal);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite);

+  try

+    LoadFromStreamEx(Stream, CodePage);

+  finally

+    Stream.Free;

+  end;

+end;

+

+procedure TAnsiStrings{TNT-ALLOW TAnsiStrings}.SaveToFileEx(const FileName: WideString; CodePage: Cardinal);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmCreate);

+  try

+    if (CodePage = CP_UTF8) then

+      Stream.WriteBuffer(PAnsiChar(UTF8_BOM)^, Length(UTF8_BOM));

+    SaveToStreamEx(Stream, CodePage);

+  finally

+    Stream.Free;

+  end;

+end;

+

+{ TAnsiStringsForWideStringsAdapter }

+

+constructor TAnsiStringsForWideStringsAdapter.Create(AWideStrings: TTntStrings; _AdapterCodePage: Cardinal);

+begin

+  inherited Create;

+  FWideStrings := AWideStrings;

+  FAdapterCodePage := _AdapterCodePage;

+end;

+

+function TAnsiStringsForWideStringsAdapter.AdapterCodePage: Cardinal;

+begin

+  if FAdapterCodePage = 0 then

+    Result := TntSystem.DefaultSystemCodePage

+  else

+    Result := FAdapterCodePage;

+end;

+

+procedure TAnsiStringsForWideStringsAdapter.Clear;

+begin

+  FWideStrings.Clear;

+end;

+

+procedure TAnsiStringsForWideStringsAdapter.Delete(Index: Integer);

+begin

+  FWideStrings.Delete(Index);

+end;

+

+function TAnsiStringsForWideStringsAdapter.Get(Index: Integer): AnsiString;

+begin

+  Result := WideStringToStringEx(FWideStrings.Get(Index), AdapterCodePage);

+end;

+

+procedure TAnsiStringsForWideStringsAdapter.Put(Index: Integer; const S: AnsiString);

+begin

+  FWideStrings.Put(Index, StringToWideStringEx(S, AdapterCodePage));

+end;

+

+function TAnsiStringsForWideStringsAdapter.GetCount: Integer;

+begin

+  Result := FWideStrings.GetCount;

+end;

+

+procedure TAnsiStringsForWideStringsAdapter.Insert(Index: Integer; const S: AnsiString);

+begin

+  FWideStrings.Insert(Index, StringToWideStringEx(S, AdapterCodePage));

+end;

+

+function TAnsiStringsForWideStringsAdapter.GetObject(Index: Integer): TObject;

+begin

+  Result := FWideStrings.GetObject(Index);

+end;

+

+procedure TAnsiStringsForWideStringsAdapter.PutObject(Index: Integer; AObject: TObject);

+begin

+  FWideStrings.PutObject(Index, AObject);

+end;

+

+procedure TAnsiStringsForWideStringsAdapter.SetUpdateState(Updating: Boolean);

+begin

+  FWideStrings.SetUpdateState(Updating);

+end;

+

+procedure TAnsiStringsForWideStringsAdapter.LoadFromStreamEx(Stream: TStream; CodePage: Cardinal);

+var

+  Size: Integer;

+  S: AnsiString;

+begin

+  BeginUpdate;

+  try

+    Size := Stream.Size - Stream.Position;

+    SetString(S, nil, Size);

+    Stream.Read(Pointer(S)^, Size);

+    FWideStrings.SetTextStr(StringToWideStringEx(S, CodePage));

+  finally

+    EndUpdate;

+  end;

+end;

+

+procedure TAnsiStringsForWideStringsAdapter.SaveToStreamEx(Stream: TStream; CodePage: Cardinal);

+var

+  S: AnsiString;

+begin

+  S := WideStringToStringEx(FWideStrings.GetTextStr, CodePage);

+  Stream.WriteBuffer(Pointer(S)^, Length(S));

+end;

+

+{ TTntStrings }

+

+constructor TTntStrings.Create;

+begin

+  inherited;

+  FAnsiStrings := TAnsiStringsForWideStringsAdapter.Create(Self);

+  FLastFileCharSet := csUnicode;

+end;

+

+destructor TTntStrings.Destroy;

+begin

+  FreeAndNil(FAnsiStrings);

+  inherited;

+end;

+

+procedure TTntStrings.SetAnsiStrings(const Value: TAnsiStrings{TNT-ALLOW TAnsiStrings});

+begin

+  FAnsiStrings.Assign(Value);

+end;

+

+procedure TTntStrings.DefineProperties(Filer: TFiler);

+

+  {$IFNDEF COMPILER_7_UP}

+  function DoWrite: Boolean;

+  begin

+    if Filer.Ancestor <> nil then

+    begin

+      Result := True;

+      if Filer.Ancestor is TWideStrings then

+        Result := not Equals(TWideStrings(Filer.Ancestor))

+    end

+    else Result := Count > 0;

+  end;

+

+  function DoWriteAsUTF7: Boolean;

+  var

+    i: integer;

+  begin

+    Result := False;

+    for i := 0 to Count - 1 do begin

+      if (Strings[i] <> '') and (WideStringToUTF8(Strings[i]) <> Strings[i]) then begin

+        Result := True;

+        break; { found a string with non-ASCII chars (> 127) }

+      end;

+    end;

+  end;

+  {$ENDIF}

+

+begin

+  inherited DefineProperties(Filer); { Handles main 'Strings' property.' }

+  Filer.DefineProperty('WideStrings', ReadData, nil, False);

+  Filer.DefineProperty('WideStringsW', ReadDataUTF8, nil, False);

+  {$IFDEF COMPILER_7_UP}

+  Filer.DefineProperty('WideStrings_UTF7', ReadDataUTF7, WriteDataUTF7, False);

+  {$ELSE}

+  Filer.DefineProperty('WideStrings_UTF7', ReadDataUTF7, WriteDataUTF7, DoWrite and DoWriteAsUTF7);

+  {$ENDIF}

+end;

+

+procedure TTntStrings.LoadFromFile(const FileName: WideString);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite);

+  try

+    FLastFileCharSet := AutoDetectCharacterSet(Stream);

+    Stream.Position := 0;

+    LoadFromStream(Stream);

+  finally

+    Stream.Free;

+  end;

+end;

+

+procedure TTntStrings.LoadFromStream(Stream: TStream);

+begin

+  LoadFromStream_BOM(Stream, True);

+end;

+

+procedure TTntStrings.LoadFromStream_BOM(Stream: TStream; WithBOM: Boolean);

+var

+  DataLeft: Integer;

+  StreamCharSet: TTntStreamCharSet;

+  SW: WideString;

+  SA: AnsiString;

+begin

+  BeginUpdate;

+  try

+    if WithBOM then

+      StreamCharSet := AutoDetectCharacterSet(Stream)

+    else

+      StreamCharSet := csUnicode;

+    DataLeft := Stream.Size - Stream.Position;

+    if (StreamCharSet in [csUnicode, csUnicodeSwapped]) then

+    begin

+      // BOM indicates Unicode text stream

+      if DataLeft < SizeOf(WideChar) then

+        SW := ''

+      else begin

+        SetLength(SW, DataLeft div SizeOf(WideChar));

+        Stream.Read(PWideChar(SW)^, DataLeft);

+        if StreamCharSet = csUnicodeSwapped then

+          StrSwapByteOrder(PWideChar(SW));

+      end;

+      SetTextStr(SW);

+    end

+    else if StreamCharSet = csUtf8 then

+    begin

+      // BOM indicates UTF-8 text stream

+      SetLength(SA, DataLeft div SizeOf(AnsiChar));

+      Stream.Read(PAnsiChar(SA)^, DataLeft);

+      SetTextStr(UTF8ToWideString(SA));

+    end

+    else

+    begin

+      // without byte order mark it is assumed that we are loading ANSI text

+      SetLength(SA, DataLeft div SizeOf(AnsiChar));

+      Stream.Read(PAnsiChar(SA)^, DataLeft);

+      SetTextStr(SA);

+    end;

+  finally

+    EndUpdate;

+  end;

+end;

+

+procedure TTntStrings.ReadData(Reader: TReader);

+begin

+  if Reader.NextValue in [vaString, vaLString] then

+    SetTextStr(Reader.ReadString) {JCL compatiblity}

+  else if Reader.NextValue = vaWString then

+    SetTextStr(Reader.ReadWideString) {JCL compatiblity}

+  else begin

+    BeginUpdate;

+    try

+      Clear;

+      Reader.ReadListBegin;

+      while not Reader.EndOfList do

+        if Reader.NextValue in [vaString, vaLString] then

+          Add(Reader.ReadString) {TStrings compatiblity}

+        else

+          Add(Reader.ReadWideString);

+      Reader.ReadListEnd;

+    finally

+      EndUpdate;

+    end;

+  end;

+end;

+

+procedure TTntStrings.ReadDataUTF7(Reader: TReader);

+begin

+  Reader.ReadListBegin;

+  if ReaderNeedsUtfHelp(Reader) then

+  begin

+    BeginUpdate;

+    try

+      Clear;

+      while not Reader.EndOfList do

+        Add(UTF7ToWideString(Reader.ReadString))

+    finally

+      EndUpdate;

+    end;

+  end else begin

+    while not Reader.EndOfList do

+      Reader.ReadString; { do nothing with Result }

+  end;

+  Reader.ReadListEnd;

+end;

+

+procedure TTntStrings.ReadDataUTF8(Reader: TReader);

+begin

+  Reader.ReadListBegin;

+  if ReaderNeedsUtfHelp(Reader)

+  or (Count = 0){ Legacy support where 'WideStrings' was never written in lieu of WideStringsW }

+  then begin

+    BeginUpdate;

+    try

+      Clear;

+      while not Reader.EndOfList do

+        Add(UTF8ToWideString(Reader.ReadString))

+    finally

+      EndUpdate;

+    end;

+  end else begin

+    while not Reader.EndOfList do

+      Reader.ReadString; { do nothing with Result }

+  end;

+  Reader.ReadListEnd;

+end;

+

+procedure TTntStrings.SaveToFile(const FileName: WideString);

+var

+  Stream: TStream;

+begin

+  Stream := TTntFileStream.Create(FileName, fmCreate);

+  try

+    SaveToStream(Stream);

+  finally

+    Stream.Free;

+  end;

+end;

+

+procedure TTntStrings.SaveToStream(Stream: TStream);

+begin

+  SaveToStream_BOM(Stream, True);

+end;

+

+procedure TTntStrings.SaveToStream_BOM(Stream: TStream; WithBOM: Boolean);

+// Saves the currently loaded text into the given stream.

+// WithBOM determines whether to write a byte order mark or not.

+var

+  SW: WideString;

+  BOM: WideChar;

+begin

+  if WithBOM then begin

+    BOM := UNICODE_BOM;

+    Stream.WriteBuffer(BOM, SizeOf(WideChar));

+  end;

+  SW := GetTextStr;

+  Stream.WriteBuffer(PWideChar(SW)^, Length(SW) * SizeOf(WideChar));

+end;

+

+procedure TTntStrings.WriteDataUTF7(Writer: TWriter);

+var

+  I: Integer;

+begin

+  Writer.WriteListBegin;

+  for I := 0 to Count-1 do

+    Writer.WriteString(WideStringToUTF7(Get(I)));

+  Writer.WriteListEnd;

+end;

+

+{ TTntStringList }

+

+destructor TTntStringList.Destroy;

+begin

+  FOnChange := nil;

+  FOnChanging := nil;

+  inherited Destroy;

+  if FCount <> 0 then Finalize(FList^[0], FCount);

+  FCount := 0;

+  SetCapacity(0);

+end;

+

+function TTntStringList.Add(const S: WideString): Integer;

+begin

+  Result := AddObject(S, nil);

+end;

+

+function TTntStringList.AddObject(const S: WideString; AObject: TObject): Integer;

+begin

+  if not Sorted then

+    Result := FCount

+  else

+    if Find(S, Result) then

+      case Duplicates of

+        dupIgnore: Exit;

+        dupError: Error(PResStringRec(@SDuplicateString), 0);

+      end;

+  InsertItem(Result, S, AObject);

+end;

+

+procedure TTntStringList.Changed;

+begin

+  if (not FUpdating) and Assigned(FOnChange) then

+    FOnChange(Self);

+end;

+

+procedure TTntStringList.Changing;

+begin

+  if (not FUpdating) and Assigned(FOnChanging) then

+    FOnChanging(Self);

+end;

+

+procedure TTntStringList.Clear;

+begin

+  if FCount <> 0 then

+  begin

+    Changing;

+    Finalize(FList^[0], FCount);

+    FCount := 0;

+    SetCapacity(0);

+    Changed;

+  end;

+end;

+

+procedure TTntStringList.Delete(Index: Integer);

+begin

+  if (Index < 0) or (Index >= FCount) then Error(PResStringRec(@SListIndexError), Index);

+  Changing;

+  Finalize(FList^[Index]);

+  Dec(FCount);

+  if Index < FCount then

+    System.Move(FList^[Index + 1], FList^[Index],

+      (FCount - Index) * SizeOf(TWideStringItem));

+  Changed;

+end;

+

+procedure TTntStringList.Exchange(Index1, Index2: Integer);

+begin

+  if (Index1 < 0) or (Index1 >= FCount) then Error(PResStringRec(@SListIndexError), Index1);

+  if (Index2 < 0) or (Index2 >= FCount) then Error(PResStringRec(@SListIndexError), Index2);

+  Changing;

+  ExchangeItems(Index1, Index2);

+  Changed;

+end;

+

+procedure TTntStringList.ExchangeItems(Index1, Index2: Integer);

+var

+  Temp: Integer;

+  Item1, Item2: PWideStringItem;

+begin

+  Item1 := @FList^[Index1];

+  Item2 := @FList^[Index2];

+  Temp := Integer(Item1^.FString);

+  Integer(Item1^.FString) := Integer(Item2^.FString);

+  Integer(Item2^.FString) := Temp;

+  Temp := Integer(Item1^.FObject);

+  Integer(Item1^.FObject) := Integer(Item2^.FObject);

+  Integer(Item2^.FObject) := Temp;

+end;

+

+function TTntStringList.Find(const S: WideString; var Index: Integer): Boolean;

+var

+  L, H, I, C: Integer;

+begin

+  Result := False;

+  L := 0;

+  H := FCount - 1;

+  while L <= H do

+  begin

+    I := (L + H) shr 1;

+    C := CompareStrings(FList^[I].FString, S);

+    if C < 0 then L := I + 1 else

+    begin

+      H := I - 1;

+      if C = 0 then

+      begin

+        Result := True;

+        if Duplicates <> dupAccept then L := I;

+      end;

+    end;

+  end;

+  Index := L;

+end;

+

+function TTntStringList.Get(Index: Integer): WideString;

+begin

+  if (Index < 0) or (Index >= FCount) then Error(PResStringRec(@SListIndexError), Index);

+  Result := FList^[Index].FString;

+end;

+

+function TTntStringList.GetCapacity: Integer;

+begin

+  Result := FCapacity;

+end;

+

+function TTntStringList.GetCount: Integer;

+begin

+  Result := FCount;

+end;

+

+function TTntStringList.GetObject(Index: Integer): TObject;

+begin

+  if (Index < 0) or (Index >= FCount) then Error(PResStringRec(@SListIndexError), Index);

+  Result := FList^[Index].FObject;

+end;

+

+procedure TTntStringList.Grow;

+var

+  Delta: Integer;

+begin

+  if FCapacity > 64 then Delta := FCapacity div 4 else

+    if FCapacity > 8 then Delta := 16 else

+      Delta := 4;

+  SetCapacity(FCapacity + Delta);

+end;

+

+function TTntStringList.IndexOf(const S: WideString): Integer;

+begin

+  if not Sorted then Result := inherited IndexOf(S) else

+    if not Find(S, Result) then Result := -1;

+end;

+

+function TTntStringList.IndexOfName(const Name: WideString): Integer;

+var

+  NameKey: WideString;

+begin

+  if not Sorted then

+    Result := inherited IndexOfName(Name)

+  else begin

+    // use sort to find index more quickly

+    NameKey := Name + NameValueSeparator;

+    Find(NameKey, Result);

+    if (Result < 0) or (Result > Count - 1) then

+      Result := -1

+    else if CompareStrings(NameKey, Copy(Strings[Result], 1, Length(NameKey))) <> 0 then

+      Result := -1

+  end;

+end;

+

+procedure TTntStringList.Insert(Index: Integer; const S: WideString);

+begin

+  InsertObject(Index, S, nil);

+end;

+

+procedure TTntStringList.InsertObject(Index: Integer; const S: WideString;

+  AObject: TObject);

+begin

+  if Sorted then Error(PResStringRec(@SSortedListError), 0);

+  if (Index < 0) or (Index > FCount) then Error(PResStringRec(@SListIndexError), Index);

+  InsertItem(Index, S, AObject);

+end;

+

+procedure TTntStringList.InsertItem(Index: Integer; const S: WideString; AObject: TObject);

+begin

+  Changing;

+  if FCount = FCapacity then Grow;

+  if Index < FCount then

+    System.Move(FList^[Index], FList^[Index + 1],

+      (FCount - Index) * SizeOf(TWideStringItem));

+  with FList^[Index] do

+  begin

+    Pointer(FString) := nil;

+    FObject := AObject;

+    FString := S;

+  end;

+  Inc(FCount);

+  Changed;

+end;

+

+procedure TTntStringList.Put(Index: Integer; const S: WideString);

+begin

+  if Sorted then Error(PResStringRec(@SSortedListError), 0);

+  if (Index < 0) or (Index >= FCount) then Error(PResStringRec(@SListIndexError), Index);

+  Changing;

+  FList^[Index].FString := S;

+  Changed;

+end;

+

+procedure TTntStringList.PutObject(Index: Integer; AObject: TObject);

+begin

+  if (Index < 0) or (Index >= FCount) then Error(PResStringRec(@SListIndexError), Index);

+  Changing;

+  FList^[Index].FObject := AObject;

+  Changed;

+end;

+

+procedure TTntStringList.QuickSort(L, R: Integer; SCompare: TWideStringListSortCompare);

+var

+  I, J, P: Integer;

+begin

+  repeat

+    I := L;

+    J := R;

+    P := (L + R) shr 1;

+    repeat

+      while SCompare(Self, I, P) < 0 do Inc(I);

+      while SCompare(Self, J, P) > 0 do Dec(J);

+      if I <= J then

+      begin

+        ExchangeItems(I, J);

+        if P = I then

+          P := J

+        else if P = J then

+          P := I;

+        Inc(I);

+        Dec(J);

+      end;

+    until I > J;

+    if L < J then QuickSort(L, J, SCompare);

+    L := I;

+  until I >= R;

+end;

+

+procedure TTntStringList.SetCapacity(NewCapacity: Integer);

+begin

+  ReallocMem(FList, NewCapacity * SizeOf(TWideStringItem));

+  FCapacity := NewCapacity;

+end;

+

+procedure TTntStringList.SetSorted(Value: Boolean);

+begin

+  if FSorted <> Value then

+  begin

+    if Value then Sort;

+    FSorted := Value;

+  end;

+end;

+

+procedure TTntStringList.SetUpdateState(Updating: Boolean);

+begin

+  FUpdating := Updating;

+  if Updating then Changing else Changed;

+end;

+

+function WideStringListCompareStrings(List: TTntStringList; Index1, Index2: Integer): Integer;

+begin

+  Result := List.CompareStrings(List.FList^[Index1].FString,

+                                List.FList^[Index2].FString);

+end;

+

+procedure TTntStringList.Sort;

+begin

+  CustomSort(WideStringListCompareStrings);

+end;

+

+procedure TTntStringList.CustomSort(Compare: TWideStringListSortCompare);

+begin

+  if not Sorted and (FCount > 1) then

+  begin

+    Changing;

+    QuickSort(0, FCount - 1, Compare);

+    Changed;

+  end;

+end;

+

+function TTntStringList.CompareStrings(const S1, S2: WideString): Integer;

+begin

+  if CaseSensitive then

+    Result := WideCompareStr(S1, S2)

+  else

+    Result := WideCompareText(S1, S2);

+end;

+

+procedure TTntStringList.SetCaseSensitive(const Value: Boolean);

+begin

+  if Value <> FCaseSensitive then

+  begin

+    FCaseSensitive := Value;

+    if Sorted then Sort;

+  end;

+end;

+

+//------------------------- TntClasses introduced procs ----------------------------------

+

+function AutoDetectCharacterSet(Stream: TStream): TTntStreamCharSet;

+var

+  ByteOrderMark: WideChar;

+  BytesRead: Integer;

+  Utf8Test: array[0..2] of AnsiChar;

+begin

+  // Byte Order Mark

+  ByteOrderMark := #0;

+  if (Stream.Size - Stream.Position) >= SizeOf(ByteOrderMark) then begin

+    BytesRead := Stream.Read(ByteOrderMark, SizeOf(ByteOrderMark));

+    if (ByteOrderMark <> UNICODE_BOM) and (ByteOrderMark <> UNICODE_BOM_SWAPPED) then begin

+      ByteOrderMark := #0;

+      Stream.Seek(-BytesRead, soFromCurrent);

+      if (Stream.Size - Stream.Position) >= Length(Utf8Test) * SizeOf(AnsiChar) then begin

+        BytesRead := Stream.Read(Utf8Test[0], Length(Utf8Test) * SizeOf(AnsiChar));

+        if Utf8Test <> UTF8_BOM then

+          Stream.Seek(-BytesRead, soFromCurrent);

+      end;

+    end;

+  end;

+  // Test Byte Order Mark

+  if ByteOrderMark = UNICODE_BOM then

+    Result := csUnicode

+  else if ByteOrderMark = UNICODE_BOM_SWAPPED then

+    Result := csUnicodeSwapped

+  else if Utf8Test = UTF8_BOM then

+    Result := csUtf8

+  else

+    Result := csAnsi;

+end;

+

+function FindSortedListByTarget(List: TList; TargetCompare: TListTargetCompare;

+  Target: Pointer; var Index: Integer): Boolean;

+var

+  L, H, I, C: Integer;

+begin

+  Result := False;

+  L := 0;

+  H := List.Count - 1;

+  while L <= H do

+  begin

+    I := (L + H) shr 1;

+    C := TargetCompare(List[i], Target);

+    if C < 0 then L := I + 1 else

+    begin

+      H := I - 1;

+      if C = 0 then

+      begin

+        Result := True;

+        L := I;

+      end;

+    end;

+  end;

+  Index := L;

+end;

+

+function ClassIsRegistered(const clsid: TCLSID): Boolean;

+var

+  OleStr: POleStr;

+  Reg: TRegIniFile;

+  Key, Filename: WideString;

+begin

+  // First, check to see if there is a ProgID.  This will tell if the

+  // control is registered on the machine.  No ProgID, control won't run

+  Result := ProgIDFromCLSID(clsid, OleStr) = S_OK;

+  if not Result then Exit;  //Bail as soon as anything goes wrong.

+

+  // Next, make sure that the file is actually there by rooting it out

+  // of the registry

+  Key := WideFormat('\SOFTWARE\Classes\CLSID\%s', [GUIDToString(clsid)]);

+  Reg := TRegIniFile.Create;

+  try

+    Reg.RootKey := HKEY_LOCAL_MACHINE;

+    Result := Reg.OpenKeyReadOnly(Key);

+    if not Result then Exit; // Bail as soon as anything goes wrong.

+

+    FileName := Reg.ReadString('InProcServer32', '', EmptyStr);

+    if (Filename = EmptyStr) then // try another key for the file name

+    begin

+      FileName := Reg.ReadString('InProcServer', '', EmptyStr);

+    end;

+    Result := Filename <> EmptyStr;

+    if not Result then Exit;

+    Result := WideFileExists(Filename);

+  finally

+    Reg.Free;

+  end;

+end;

+

+{ TBufferedAnsiString }

+

+procedure TBufferedAnsiString.Clear;

+begin

+  LastWriteIndex := 0;

+  if Length(FStringBuffer) > 0 then

+    FillChar(FStringBuffer[1], Length(FStringBuffer) * SizeOf(AnsiChar), 0);

+end;

+

+procedure TBufferedAnsiString.AddChar(const wc: AnsiChar);

+const

+  MIN_GROW_SIZE = 32;

+  MAX_GROW_SIZE = 256;

+var

+  GrowSize: Integer;

+begin

+  Inc(LastWriteIndex);

+  if LastWriteIndex > Length(FStringBuffer) then begin

+    GrowSize := Max(MIN_GROW_SIZE, Length(FStringBuffer));

+    GrowSize := Min(GrowSize, MAX_GROW_SIZE);

+    SetLength(FStringBuffer, Length(FStringBuffer) + GrowSize);

+    FillChar(FStringBuffer[LastWriteIndex], GrowSize * SizeOf(AnsiChar), 0);

+  end;

+  FStringBuffer[LastWriteIndex] := wc;

+end;

+

+procedure TBufferedAnsiString.AddString(const s: AnsiString);

+var

+  LenS: Integer;

+  BlockSize: Integer;

+  AllocSize: Integer;

+begin

+  LenS := Length(s);

+  if LenS > 0 then begin

+    Inc(LastWriteIndex);

+    if LastWriteIndex + LenS - 1 > Length(FStringBuffer) then begin

+      // determine optimum new allocation size

+      BlockSize := Length(FStringBuffer) div 2;

+      if BlockSize < 8 then

+        BlockSize := 8;

+      AllocSize := ((LenS div BlockSize) + 1) * BlockSize;

+      // realloc buffer

+      SetLength(FStringBuffer, Length(FStringBuffer) + AllocSize);

+      FillChar(FStringBuffer[Length(FStringBuffer) - AllocSize + 1], AllocSize * SizeOf(AnsiChar), 0);

+    end;

+    CopyMemory(@FStringBuffer[LastWriteIndex], @s[1], LenS * SizeOf(AnsiChar));

+    Inc(LastWriteIndex, LenS - 1);

+  end;

+end;

+

+procedure TBufferedAnsiString.AddBuffer(Buff: PAnsiChar; Chars: Integer);

+var

+  i: integer;

+begin

+  for i := 1 to Chars do begin

+    if Buff^ = #0 then

+      break;

+    AddChar(Buff^);

+    Inc(Buff);

+  end;

+end;

+

+function TBufferedAnsiString.Value: AnsiString;

+begin

+  Result := PAnsiChar(FStringBuffer);

+end;

+

+function TBufferedAnsiString.BuffPtr: PAnsiChar;

+begin

+  Result := PAnsiChar(FStringBuffer);

+end;

+

+{ TBufferedWideString }

+

+procedure TBufferedWideString.Clear;

+begin

+  LastWriteIndex := 0;

+  if Length(FStringBuffer) > 0 then

+    FillChar(FStringBuffer[1], Length(FStringBuffer) * SizeOf(WideChar), 0);

+end;

+

+procedure TBufferedWideString.AddChar(const wc: WideChar);

+const

+  MIN_GROW_SIZE = 32;

+  MAX_GROW_SIZE = 256;

+var

+  GrowSize: Integer;

+begin

+  Inc(LastWriteIndex);

+  if LastWriteIndex > Length(FStringBuffer) then begin

+    GrowSize := Max(MIN_GROW_SIZE, Length(FStringBuffer));

+    GrowSize := Min(GrowSize, MAX_GROW_SIZE);

+    SetLength(FStringBuffer, Length(FStringBuffer) + GrowSize);

+    FillChar(FStringBuffer[LastWriteIndex], GrowSize * SizeOf(WideChar), 0);

+  end;

+  FStringBuffer[LastWriteIndex] := wc;

+end;

+

+procedure TBufferedWideString.AddString(const s: WideString);

+var

+  i: integer;

+begin

+  for i := 1 to Length(s) do

+    AddChar(s[i]);

+end;

+

+procedure TBufferedWideString.AddBuffer(Buff: PWideChar; Chars: Integer);

+var

+  i: integer;

+begin

+  for i := 1 to Chars do begin

+    if Buff^ = #0 then

+      break;

+    AddChar(Buff^);

+    Inc(Buff);

+  end;

+end;

+

+function TBufferedWideString.Value: WideString;

+begin

+  Result := PWideChar(FStringBuffer);

+end;

+

+function TBufferedWideString.BuffPtr: PWideChar;

+begin

+  Result := PWideChar(FStringBuffer);

+end;

+

+{ TBufferedStreamReader }

+

+constructor TBufferedStreamReader.Create(Stream: TStream; BufferSize: Integer = 1024);

+begin

+  // init stream

+  FStream := Stream;

+  FStreamSize := Stream.Size;

+  // init buffer

+  FBufferSize := BufferSize;

+  SetLength(FBuffer, BufferSize);

+  FBufferStartPosition := -FBufferSize; { out of any useful range }

+  // init virtual position

+  FVirtualPosition := 0;

+end;

+

+function TBufferedStreamReader.Seek(Offset: Integer; Origin: Word): Longint;

+begin

+  case Origin of

+    soFromBeginning: FVirtualPosition := Offset;

+    soFromCurrent:   Inc(FVirtualPosition, Offset);

+    soFromEnd:       FVirtualPosition := FStreamSize + Offset;

+  end;

+  Result := FVirtualPosition;

+end;

+

+procedure TBufferedStreamReader.UpdateBufferFromPosition(StartPos: Integer);

+begin

+  try

+    FStream.Position := StartPos;

+    FStream.Read(FBuffer[0], FBufferSize);

+    FBufferStartPosition := StartPos;

+  except

+    FBufferStartPosition := -FBufferSize; { out of any useful range }

+    raise;

+  end;

+end;

+

+function TBufferedStreamReader.Read(var Buffer; Count: Integer): Longint;

+var

+  BytesLeft: Integer;

+  FirstBufferRead: Integer;

+  StreamDirectRead: Integer;

+  Buf: PAnsiChar;

+begin

+  if (FVirtualPosition >= 0) and (Count >= 0) then

+  begin

+    Result := FStreamSize - FVirtualPosition;

+    if Result > 0 then

+    begin

+      if Result > Count then

+        Result := Count;

+

+      Buf := @Buffer;

+      BytesLeft := Result;

+

+      // try to read what is left in buffer

+      FirstBufferRead := FBufferStartPosition + FBufferSize - FVirtualPosition;

+      if (FirstBufferRead < 0) or (FirstBufferRead > FBufferSize) then

+        FirstBufferRead := 0;

+      FirstBufferRead := Min(FirstBufferRead, Result);

+      if FirstBufferRead > 0 then begin

+        Move(FBuffer[FVirtualPosition - FBufferStartPosition], Buf[0], FirstBufferRead);

+        Dec(BytesLeft, FirstBufferRead);

+      end;

+

+      if BytesLeft > 0 then begin

+        // The first read in buffer was not enough

+        StreamDirectRead := (BytesLeft div FBufferSize) * FBufferSize;

+        FStream.Position := FVirtualPosition + FirstBufferRead;

+        FStream.Read(Buf[FirstBufferRead], StreamDirectRead);

+        Dec(BytesLeft, StreamDirectRead);

+

+        if BytesLeft > 0 then begin

+          // update buffer, and read what is left

+          UpdateBufferFromPosition(FStream.Position);

+          Move(FBuffer[0], Buf[FirstBufferRead + StreamDirectRead], BytesLeft);

+        end;

+      end;

+

+      Inc(FVirtualPosition, Result);

+      Exit;

+    end;

+  end;

+  Result := 0;

+end;

+

+function TBufferedStreamReader.Write(const Buffer; Count: Integer): Longint;

+begin

+  raise ETntInternalError.Create('Internal Error: class can not write.');

+  Result := 0;

+end;

+

+//-------- synced wide string -----------------

+

+function GetSyncedWideString(var WideStr: WideString; const AnsiStr: AnsiString): WideString;

+begin

+  if AnsiString(WideStr) <> (AnsiStr) then begin

+    WideStr := AnsiStr; {AnsiStr changed.  Keep WideStr in sync.}

+  end;

+  Result := WideStr;

+end;

+

+procedure SetSyncedWideString(const Value: WideString; var WideStr: WideString;

+  const AnsiStr: AnsiString; SetAnsiStr: TSetAnsiStrEvent);

+begin

+  if Value <> GetSyncedWideString(WideStr, AnsiStr) then

+  begin

+    if (not WideSameStr(Value, AnsiString(Value))) {unicode chars lost in conversion}

+    and (AnsiStr = AnsiString(Value))  {AnsiStr is not going to change}

+    then begin

+      SetAnsiStr(''); {force the change}

+    end;

+    WideStr := Value;

+    SetAnsiStr(Value);

+  end;

+end;

+

+{ TWideComponentHelper }

+

+function CompareComponentHelperToTarget(Item, Target: Pointer): Integer;

+begin

+  if Integer(TWideComponentHelper(Item).FComponent) < Integer(Target) then

+    Result := -1

+  else if Integer(TWideComponentHelper(Item).FComponent) > Integer(Target) then

+    Result := 1

+  else

+    Result := 0;

+end;

+

+function FindWideComponentHelperIndex(ComponentHelperList: TComponentList; Component: TComponent; var Index: Integer): Boolean;

+begin

+  // find Component in sorted wide caption list (list is sorted by TWideComponentHelper.FComponent)

+  Result := FindSortedListByTarget(ComponentHelperList, CompareComponentHelperToTarget, Component, Index);

+end;

+

+constructor TWideComponentHelper.Create(AOwner: TComponent);

+begin

+  raise ETntInternalError.Create('TNT Internal Error: TWideComponentHelper.Create should never be encountered.');

+end;

+

+constructor TWideComponentHelper.CreateHelper(AOwner: TComponent; ComponentHelperList: TComponentList);

+var

+  Index: Integer;

+begin

+  // don't use direct ownership for memory management

+  inherited Create(nil);

+  FComponent := AOwner;

+  FComponent.FreeNotification(Self);

+

+  // insert into list according to sort

+  FindWideComponentHelperIndex(ComponentHelperList, FComponent, Index);

+  ComponentHelperList.Insert(Index, Self);

+end;

+

+procedure TWideComponentHelper.Notification(AComponent: TComponent; Operation: TOperation);

+begin

+  inherited;

+  if (AComponent = FComponent) and (Operation = opRemove) then begin

+    FComponent := nil;

+    Free;

+  end;

+end;

+

+function FindWideComponentHelper(ComponentHelperList: TComponentList; Component: TComponent): TWideComponentHelper;

+var

+  Index: integer;

+begin

+  if FindWideComponentHelperIndex(ComponentHelperList, Component, Index) then begin

+  	Result := TWideComponentHelper(ComponentHelperList[Index]);

+    Assert(Result.FComponent = Component, 'TNT Internal Error: FindWideComponentHelperIndex failed.');

+  end else

+    Result := nil;

+end;

+

+initialization

+  RuntimeUTFStreaming := False; { Delphi 6 and higher don't need UTF help at runtime. }

+

+end.