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path: root/includes/funktion_xml.php
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<?php
class element {
  var $name = '';
  var $attributes = array();
  var $data = '';
  var $depth = 0;
  var $sub = array();
}

$XMLDEBUG = 0;
$depth = 0;
$XMLmain = new element;
$XMLpos = array( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
//$XMLpos = array( 0, 0, 0, 0, 0, 0);
   
function convertValues( $Data) {
  global $XMLDEBUG;

  if($XMLDEBUG) {
    $Data = htmlspecialchars($Data);
    $Data = mysql_escape_string($Data);
    $Data = htmlentities($Data);
  }

  $Data = utf8_decode($Data);
  return $Data;
}

function dataXMLmain($Data, &$Objekt, $Tiefe) {
  global $XMLmain, $XMLpos, $depth, $XMLDEBUG;
  
  if($XMLDEBUG)
    echo "?$Tiefe$depth";

  if(($depth-1) == $Tiefe) {
    $Objekt->sub[ $XMLpos[$Tiefe] ]->data .= htmlentities( convertValues($Data), ENT_QUOTES);
     
    if($XMLDEBUG)
      echo "???". $Objekt->sub[ $XMLpos[$Tiefe] ]->name. "|$Data|$Tiefe???<br />";
  } else
    dataXMLmain( $Data, $Objekt->sub[ $XMLpos[$Tiefe] ], $Tiefe+1);
}

function startXMLmain( $Data, &$Objekt, $Tiefe ) {
  global $XMLpos, $depth, $XMLDEBUG;

  if( $XMLDEBUG)
   if($Tiefe==1) 
   { print_r(array_values ($XMLpos)); echo "--".$Data->name;
     echo " #$Tiefe/$depth#";
   }
  
  if( $depth==$Tiefe)
  {
    $Objekt->sub[ $XMLpos[$Tiefe] ] = $Data;
    if( $XMLDEBUG)
      echo "|". $XMLpos[$Tiefe]."|". $Objekt->sub[ $XMLpos[$Tiefe] ]->name. " ". $Data->name." save|". "#-#<br />";
  }
  else
    startXMLmain( $Data, $Objekt->sub[ $XMLpos[$Tiefe] ], $Tiefe+1);
}

function start_element_handler($parser, $name, $attribs)
{
  global $depth, $XMLmain, $XMLpos;

  $Data = new element;
  $Data->name = $name;
  while(list($key, $value) = each($attribs))
    $Data->attributes[$key] = convertValues($value);
  $Data->depth = $depth;
   $XMLpos[$depth]++;

  if( $depth==0)
    $XMLmain= $Data;
  else
    startXMLmain( $Data, $XMLmain, 1);

  $depth++;
}

function end_element_handler($parser, $name)
{
  global $depth, $XMLpos;
  $XMLpos[$depth]=0;
  $depth--;
}

function character_data_handler($parser, $data)
{
  global $XMLmain;
  if( strlen(trim($data)) )
    dataXMLmain( $data, $XMLmain, 1);
}

/*#######################################################################################*/
function readXMLfile( $file ) 
{
  global $XMLDEBUG;
  
  //$xml_parser = xml_parser_create_ns();
  $xml_parser = xml_parser_create("UTF-8");
  xml_set_element_handler($xml_parser, "start_element_handler", "end_element_handler");
  xml_set_character_data_handler($xml_parser, "character_data_handler");
  
  if (file_exists($file)) 
  {
    if (!($fp = fopen($file, "r")))
    {
      echo(" <h1>could not open XML file \"$file\"</h1>");
      return -1;
    }
  }
  else
  {
    echo(" <h1>XML file \"$file\" not exist</h1>");
    return -1;
  }

  if( $XMLDEBUG)  echo "<pre>";
  while ($data = fread($fp, 4096)) 
  {
    if (!xml_parse($xml_parser, $data, feof($fp))) 
    {
      die(sprintf("XML error: %s at line %d",
            xml_error_string(xml_get_error_code($xml_parser)),
            xml_get_current_line_number($xml_parser)));
    }
  }
  if( $XMLDEBUG)  echo "</pre>";
  xml_parser_free($xml_parser);
  return 0;
}

/*#######################################################################################*/
function getXMLsubPease( $Sourse, $Name ) 
{
  foreach($Sourse->sub as $key => $value) {
    if ($value->name == $Name) {
      return $value; 
    }
  }

  echo "<h1>Fehler: getXMLsubPease( $Sourse, $Name ) not found</h1>";
//    die;  
}

/*#######################################################################################*/
function getXMLsubData( $Sourse, $Name ) 
{
  $XML = getXMLsubPease( $Sourse, $Name);
  return $XML->data;
}
?>