interface/modules/zend_modules/library/Zend/XmlRpc/Generator/DomDocument.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\XmlRpc\Generator;
  11
  12 /**
  13  * DOMDocument based implementation of a XML/RPC generator
  14  */
  15 class DomDocument extends AbstractGenerator
  16 {
  17     /**
  18      * @var \DOMDocument
  19      */
  20     protected $dom;
  21
  22     /**
  23      * @var \DOMNode
  24      */
  25     protected $currentElement;
  26
  27     /**
  28      * Start XML element
  29      *
  30      * @param string $name
  31      * @return void
  32      */
  33     protected function _openElement($name)
  34     {
  35         $newElement = $this->dom->createElement($name);
  36
  37         $this->currentElement = $this->currentElement->appendChild($newElement);
  38     }
  39
  40     /**
  41      * Write XML text data into the currently opened XML element
  42      *
  43      * @param string $text
  44      */
  45     protected function _writeTextData($text)
  46     {
  47         $this->currentElement->appendChild($this->dom->createTextNode($text));
  48     }
  49
  50     /**
  51      * Close an previously opened XML element
  52      *
  53      * Resets $currentElement to the next parent node in the hierarchy
  54      *
  55      * @param string $name
  56      * @return void
  57      */
  58     protected function _closeElement($name)
  59     {
  60         if (isset($this->currentElement->parentNode)) {
  61             $this->currentElement = $this->currentElement->parentNode;
  62         }
  63     }
  64
  65     /**
  66      * Save XML as a string
  67      *
  68      * @return string
  69      */
  70     public function saveXml()
  71     {
  72         return $this->dom->saveXml();
  73     }
  74
  75     /**
  76      * Initializes internal objects
  77      *
  78      * @return void
  79      */
  80     protected function _init()
  81     {
  82         $this->dom = new \DOMDocument('1.0', $this->encoding);
  83         $this->currentElement = $this->dom;
  84     }
  85 }