<?php

//first we define a number of variables to store the data from each element
$name               = "";
$css                = "";
$active             = "";
$errorname          = "";
$message            = "";
$errorcss           = "";
$minimumlength      = "";
$maximumlength      = "";
$maximumsize        = "";
$fileextension      = "";
$currentPage        = "";
$nextPage           = "";
$errorMark          = "";
$dbPath             = "";
$writeToDB          = "";
$language           = "";
$dbColumn           = "";
$emailToAddress     = "";
$dbFileUploadDir    = "";
$sendEmail          = "";
$emailServer        = "";
$emailServerPort    = "";
$id                 = "";
$componentname      = "";

//holds the name of the current element
$CurrentElement = "";

//array to hold all the xml data
$conf           = array();



/*The start Element Handler
*This is where we store the element name, currently being parsed, in $CurrentElement.
*This is also where we get the attribute, if any.
*/
function fhStartElement($parser, $name, $attr){
      $GLOBALS['CurrentElement'] = $name;
      if(strcmp($name,"Component") == 0){
            $GLOBALS['id'] = $attr["id"];
            $GLOBALS['componentname'] = $attr["name"];
      }
}



/*
*The end Element Handler
*/
function fhEndElement($parser, $name){
      $errorEventProperties = array(
            'active',
            'message',
            'errorcss',
            'minimumlength',
            'maximumlength',
            'maximumsize',
            'fileextension'
      );
      $generalProperties =   array(
            'currentPage',
            'nextPage',
            'errorMark',
            'dbPath',
            'emailFromAddress',
            'emailToAddress',
            'dbFileUploadDir',
            'sendEmail',
            'emailServer',
            'emailServerPort',
            'writeToDB',
            'language'
      );


      /*If the element being parsed is a ErrorEvent it means that the
      *parser has completed parsing ErrorEvent. We can then store
      *the data in our array $conf[ ]
      */
      if($name == "errorevent"){
            foreach($errorEventProperties as $element){
                  if($element == "minimumlength" && trim($GLOBALS['errorname']) != "short") {
                        continue;
                  }
                  if($element == "maximumlength" && trim($GLOBALS['errorname']) != "long") {
                        continue;
                  }
                  if($element == "maximumsize" && trim($GLOBALS['errorname']) != "filetoolarge") {
                        continue;
                  }
                  if($element == "fileextension" && trim($GLOBALS['errorname']) != "invalidextension") {
                        continue;
                  }
                  $GLOBALS['conf'][trim($GLOBALS['componentname']) . "." .trim($GLOBALS['id']) . "." .trim($GLOBALS['name']) . ".errorevent."  . trim($GLOBALS['errorname']) . "." . trim($element)] = trim($GLOBALS[$element]);
            }

            //After storing the data we reset our globals to
            //hold a new ErrorEvent
            $GLOBALS['active']        = "";
            $GLOBALS['errorname']     = "";
            $GLOBALS['message']       = "";
            $GLOBALS['css']           = "";
            $GLOBALS['maximumlength'] = "";
            $GLOBALS['minimumlength'] = "";
            $GLOBALS['maximumsize']   = "";
            $GLOBALS['fileextension'] = "";
      }

      if($name == "dbColumn") {
            if(!empty($GLOBALS['conf'][trim($GLOBALS['componentname']) . "." .trim($GLOBALS['id']) . "." .trim($name)])) {
                  $GLOBALS['conf'][trim($GLOBALS['componentname']) . "." .trim($GLOBALS['id']) . "." .trim($name)] .= "," . trim($GLOBALS[$name]);
            } else {
                  $GLOBALS['conf'][trim($GLOBALS['componentname']) . "." .trim($GLOBALS['id']) . "." .trim($name)] = trim($GLOBALS[$name]);
            }
            $GLOBALS[$name] = "";
      }

      //After parsing a field we reset the rest of the globals.
      if($name == "field"){
            $GLOBALS['name'] = "";
      }
      //After parsing component we reset th rest of globals
      if($name=="Component"){
            $GLOBALS['currentPage'] = "";
            $GLOBALS['nextPage']    = "";
            $GLOBALS['errorMark']   = "";
            $GLOBALS['dbPath']      = "";
            $GLOBALS['writeToDB']   = "";
            $GLOBALS['dbColumn']    = "";
            $GLOBALS['sendEmail']   = "";
            $GLOBALS['emailServer']      = "";
            $GLOBALS['emailServerPort']      = "";
            $GLOBALS['emailFromAddress']       = "";
            $GLOBALS['emailToAddress']       = "";
            $GLOBALS['dbFileUploadDir']   = "";
            $GLOBALS['language']   = "";
      }

      if(in_array($name, $generalProperties)) {
            $GLOBALS['conf'][trim($GLOBALS['componentname']) . "." .trim($GLOBALS['id']) . "." .trim($name)] = trim($GLOBALS[$name]);
      }
}



/*The character data Handler
*Depending on what the CurrentElement is,
*the handler assigns the value to the appropriate variable
*/
function fhCharacterData($parser, $data) {
      $elements = array(
            'name',
            'active',
            'errorname',
            'message',
            'errorcss',
            'minimumlength',
            'maximumlength',
            'maximumsize',
            'fileextension',
            'currentPage',
            'nextPage',
            'errorMark',
            'dbPath',
            'sendEmail',
            'emailServer',
            'emailServerPort',
            'emailFromAddress',
            'emailToAddress',
            'dbFileUploadDir',
            'dbColumn',
            'writeToDB',
            'language'
      );

      foreach ($elements as $element) {
            if ($GLOBALS["CurrentElement"] == $element) {
                  if (isset($GLOBALS[$element])) {
                        $GLOBALS[$element] .= $data;
                  } else {
                        $GLOBALS[$element] = $data;
                  }
            }
      }
}


/*This is where the actual parsing is going on.
*parseFile() parses the xml document and return an array
*with the data we asked for.
*/
function fhParseXmlFile($xmlPropertyFile){
    global $conf;

    ///Creating the xml parser
    $xml_parser=xml_parser_create();

    //Register the handlers
    xml_set_element_handler($xml_parser, "fhStartElement", "fhEndElement");
    xml_set_character_data_handler($xml_parser, "fhCharacterData");

    //Disables case-folding.
    xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, false);

    //Open the xml file and feed it to the parser in 4k blocks
    if (file_exists($xmlPropertyFile)) {
		if ( ! $dataArr = file($xmlPropertyFile) ) {
			$errorMessage = "Cannot open  XML property file for reading";
			NOF_throwError(601,array("{1}"=>NOF_mapPath($xmlPropertyFile),"{2}"=>getcwd()));
			exit();
		}
		$data = implode("", $dataArr);
/*
        if(!($data = @file_get_contents($xmlPropertyFile))){
              $errorMessage = "Cannot open  XML property file for reading";
              NOF_throwError(601,array("{1}"=>NOF_mapPath($xmlPropertyFile),"{2}"=>NOF_mappath(getcwd())));
              exit();
        }
*/
    } else {
        NOF_throwError(620,array("{1}"=>NOF_mapPath($xmlPropertyFile),"{2}"=>NOF_mappath(getcwd())));
        exit();
    }
    $data = str_replace('<? exit(); ?>','',$data);

    if(!xml_parse($xml_parser, $data)){
          $errorMessage = "XML error at Line ".xml_get_current_line_number($xml_parser). " Column ". xml_get_current_column_number($xml_parser);
          NOF_throwError(600,array("{1}"=>NOF_mapPath($xmlPropertyFile),"{2}"=>NOF_mappath(getcwd())));
          exit();
    }

    //We free the parser
    xml_parser_free($xml_parser);

    //returns the array
    return $conf;
}

?>