Mega Code Archive

 
Categories / Delphi / Strings
 

Highlight html-tags in trichedit

procedure HTMLSyntax(RichEdit: TRichEdit; TextCol, TagCol, DopCol: TColor); var i, iDop: Integer; s: string; Col: TColor; isTag, isDop: Boolean; begin iDop := 0; isDop := False; isTag := False; Col := TextCol; RichEdit.SetFocus; for i := 0 to Length(RichEdit.Text) do begin RichEdit.SelStart := i; RichEdit.SelLength := 1; s := RichEdit.SelText; if (s = '<') or (s = '{') then isTag := True; if isTag then if (s = '"') then if not isDop then begin iDop := 1; isDop := True; end else isDop := False; if isTag then if isDop then begin if iDop <> 1 then Col := DopCol; end else Col := TagCol else Col := TextCol; RichEdit.SelAttributes.Color := Col; iDop := 0; if (s = '>') or (s = '}') then isTag := False; end; RichEdit.SelLength := 0; end; procedure TForm1.Button1Click(Sender: TObject); begin RichEdit1.Lines.BeginUpdate; HTMLSyntax(RichEdit1, clBlue, clRed, clGreen); RichEdit1.Lines.EndUpdate; end;