Author: Jonas Bilinkevicius

How to determine if a Unicode string is Baltic or Russian 

Answer:

1   procedure TForm1.SetReadableText(const ws: WideString);
2   var
3     s: string;
4     pch: PChar;
5     i, CodePage, Charset: Integer;
6   begin
7     CodePage := 1252;
8     Charset := ANSI_CHARSET;
9     pch := PChar(PWideChar(ws));
10    for i := 0 to length(ws) - 1 do
11    begin
12      if ord(pch[2 * i + 1]) = 1 then
13      begin
14        CodePage := 1257;
15        Charset := BALTIC_CHARSET;
16        break;
17      end;
18      if ord(pch[2 * i + 1]) = 4 then
19      begin
20        CodePage := 1251;
21        Charset := RUSSIAN_CHARSET;
22        break;
23      end;
24    end;
25    setlength(s, 2 * length(ws));
26    setlength(s, WideCharToMultiByte(CodePage, 0, PWideChar(ws), length(ws),
27      PChar(s), length(s), nil, nil));
28    Edit1.Font.Charset := Charset;
29    Edit1.Text := s;
30  end;