Pascal (Lazarus/Delphi)

HasChildWithTag using a Tag Path

Demonstrates calling HasChildWithTag with a tag path. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Xml;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  xml: TXml;
  hasChicago: Boolean;
  hasNaperville: Boolean;
  hasIllinois: Boolean;

begin
  xml := TXml.Create;

  xml.Tag := 'world';

  xml.NewChild2('north_america|united_states|california|san_francisco','Silicon Valley');
  xml.NewChild2('north_america|united_states|california|san_diego','Birthplace of California');
  xml.NewChild2('north_america|united_states|illinois|chicago','Windy City');

  WriteLn(xml.GetXml());

  //  Produces the following XML
  //  
  //  	<?xml version="1.0" encoding="utf-8" ?>
  //  	<world>
  //  	    <north_america>
  //  	        <united_states>
  //  	            <california>
  //  	                <san_francisco>Silicon Valley</san_francisco>
  //  	                <san_diego>Birthplace of California</san_diego>
  //  	            </california>
  //  	            <illinois>
  //  	                <chicago>Windy City</chicago>
  //  	            </illinois>
  //  	        </united_states>
  //  	    </north_america>
  //  	</world>
  //  

  hasChicago := xml.HasChildWithTag('north_america|united_states|illinois|chicago');
  WriteLn('hasChicago = ' + hasChicago);

  hasNaperville := xml.HasChildWithTag('north_america|united_states|illinois|naperville');
  WriteLn('hasNaperville = ' + hasNaperville);

  hasIllinois := xml.HasChildWithTag('north_america|united_states|illinois');
  WriteLn('hasIllinois = ' + hasIllinois);


  xml.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.