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...encode a HTTP URL?
Autor: Mike Shkolnik
Homepage: http://www.scalabium.com
[ Print tip ]  

Tip Rating (8):  
     


function HTTPEncode(const AStr: string): string;
const
  
NoConversion = ['A'..'Z', 'a'..'z', '*', '@', '.', '_', '-'];
var
  
Sp, Rp: PChar;
begin
  
SetLength(Result, Length(AStr) * 3);
  Sp := PChar(AStr);
  Rp := PChar(Result);
  while Sp^ <> #0 do
  begin
    if 
Sp^ in NoConversion then
      
Rp^ := Sp^
    else if Sp^ = ' ' then
      
Rp^ := '+'
    else
    begin
      
FormatBuf(Rp^, 3, '%%%.2x', 6, [Ord(Sp^)]);
      Inc(Rp, 2);
    end;
    Inc(Rp);
    Inc(Sp);
  end;
  SetLength(Result, Rp - PChar(Result));
end;


procedure TForm1.Button1Click(Sender: TObject);
begin
  
Edit1.Text := HTTPEncode(Edit1.Text);
end;


 

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