{
    This file is part of the Free Pascal run time library.
    Copyright (c) 1999-2005 by Florian Klaempfl,
    member of the Free Pascal development team.

    This file implements support routines for WideStrings/Unicode with FPC

    See the file COPYING.FPC, included in this distribution,
    for details about the copyright.

    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.

 **********************************************************************}


Procedure UniqueString (Var S : WideString);external name 'FPC_WIDESTR_UNIQUE';
Function Pos (Const Substr : WideString; Const Source : WideString; Offset : SizeInt = 1) : SizeInt;
Function Pos (c : Char; Const s : WideString; Offset : SizeInt = 1) : SizeInt;
Function Pos (c : WideChar; Const s : WideString; Offset : SizeInt = 1) : SizeInt;
Function Pos (c : WideChar; Const s : RawByteString; Offset : SizeInt = 1) : SizeInt;
Function Pos (const c : RawByteString; Const s : WideString; Offset : SizeInt = 1) : SizeInt;
Function Pos (const c : WideString; Const s : RawByteString; Offset : SizeInt = 1) : SizeInt;
Function Pos (const c : ShortString; Const s : WideString; Offset : SizeInt = 1) : SizeInt;

Function UpCase(const s : WideString) : WideString;

{$ifdef VER3_0}
Procedure Insert (Const Source : WideString; Var S : WideString; Index : SizeInt);
Procedure Delete (Var S : WideString; Index,Size: SizeInt);
{$endif VER3_0}
Procedure {$ifdef FPC_HAS_CPSTRING}fpc_setstring_widestr_pwidechar{$else}SetString{$endif}(Out S : WideString; Buf : PWideChar; Len : SizeInt); {$ifdef FPC_HAS_CPSTRING} compilerproc; {$endif FPC_HAS_CPSTRING}
Procedure {$ifdef FPC_HAS_CPSTRING}fpc_setstring_widestr_pansichar{$else}SetString{$endif}(Out S : WideString; Buf : PChar; Len : SizeInt); {$ifdef FPC_HAS_CPSTRING} compilerproc; {$endif FPC_HAS_CPSTRING}

procedure DefaultAnsi2WideMove(source:pchar;cp : TSystemCodePage;var dest:widestring;len:SizeInt);

type
  TWideStringManager = TUnicodeStringManager;

function UTF8Encode(const s : WideString) : RawByteString;

{$ifdef MSWINDOWS}
const
  winwidestringalloc : boolean = true deprecated;
{$endif MSWINDOWS}