classes/xml/XMLCustomWriter.inc.php

<?php

// $Id: XMLCustomWriter.inc.php,v 1.18 2008/07/01 01:16:11 asmecher Exp $


import ('xml.XMLNode');

class XMLCustomWriter {
   function &createDocument($type, $dtd, $url = null) {
      $version = '1.0';
      if (class_exists('DOMImplementation')) {
         // Use the new (PHP 5.x) DOM
         $impl = &new DOMImplementation();
         // only generate a DOCTYPE if type is non-empty 
         if ($type != '') {
            $domdtd = $impl->createDocumentType($type, isset($url)?$dtd:'', isset($url)?$url:$dtd);
            $doc = $impl->createDocument($version, '', $domdtd);
         } else {
            $doc = $impl->createDocument($version, '');
         }
         // ensure we are outputting UTF-8
         $doc->encoding = 'UTF-8';
      } else {
         // Use the XMLNode class
         $doc = &new XMLNode();
         $doc->setAttribute('version', $version);
         $doc->setAttribute('type', $type);
         $doc->setAttribute('dtd', $dtd);
         $doc->setAttribute('url', $url);
      }
      return $doc;
   }

   function &createElement(&$doc, $name) {
      if (is_callable(array($doc, 'createElement'))) $element = &$doc->createElement($name);
      else $element = &new XMLNode($name);

      return $element;
   }

   function &createTextNode(&$doc, $value) {

      $value = Core::cleanVar($value);

      if (is_callable(array($doc, 'createTextNode'))) $element = &$doc->createTextNode($value);
      else {
         $element = &new XMLNode();
         $element->setValue($value);
      }

      return $element;
   }

   function &appendChild(&$parentNode, &$child) {
      if (is_callable(array($parentNode, 'appendChild'))) $node = &$parentNode->appendChild($child);
      else {
         $parentNode->addChild($child);
         $child->setParent($parentNode);
         $node = &$child;
      }

      return $node;
   }

   function &getAttribute(&$node, $name) {
      return $node->getAttribute($name);
   }

   function &hasAttribute(&$node, $name) {
      if (is_callable(array($node, 'hasAttribute'))) $value = &$node->hasAttribute($name);
      else {
         $attribute = &XMLCustomWriter::getAttribute($node, $name);
         $value = ($attribute !== null);
      }
      return $value;
   }

   function setAttribute(&$node, $name, $value, $appendIfEmpty = true) {
      if (!$appendIfEmpty && $value == '') return;
      return $node->setAttribute($name, $value);
   }

   function &getXML(&$doc) {
      if (is_callable(array($doc, 'saveXML'))) $xml = &$doc->saveXML();
      else {
         $xml = $doc->toXml();
      }
      return $xml;
   }

   function printXML(&$doc) {
      if (is_callable(array($doc, 'saveXML'))) echo $doc->saveXML();
      else $doc->toXml(true);
   }

   function &createChildWithText(&$doc, &$node, $name, $value, $appendIfEmpty = true) {
      $childNode = null;
      if ($appendIfEmpty || $value != '') {
         $childNode = &XMLCustomWriter::createElement($doc, $name);
         $textNode = &XMLCustomWriter::createTextNode($doc, $value);
         XMLCustomWriter::appendChild($childNode, $textNode);
         XMLCustomWriter::appendChild($node, $childNode);
      }
      return $childNode;
   }

   function &createChildFromFile(&$doc, &$node, $name, $filename) {
      $contents = &FileManager::readFile($filename);
      if ($contents === false) return null;
   }
}

?>

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