<?php /** * Zend Framework * * LICENSE * * This source file is subject to the new BSD license that is bundled * with this package in the file LICENSE.txt. * It is also available through the world-wide-web at this URL: * http://framework.zend.com/license/new-bsd * If you did not receive a copy of the license and are unable to * obtain it through the world-wide-web, please send an email * to license@zend.com so we can send you a copy immediately. * * @category Zend * @package Zend_XmlRpc * @subpackage Generator * @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: GeneratorAbstract.php 23775 2011-03-01 17:25:24Z ralph $ */ /** * Abstract XML generator adapter */ abstract class Zend_XmlRpc_Generator_GeneratorAbstract { /** * XML encoding string * * @var string */ protected $_encoding; /** * Construct new instance of the generator * * @param string $encoding XML encoding, default UTF-8 */ public function __construct($encoding = 'UTF-8') { $this->_encoding = $encoding; $this->_init(); } /** * Start XML element * * Method opens a new XML element with an element name and an optional value * * @param string $name XML tag name * @param string $value Optional value of the XML tag * @return Zend_XmlRpc_Generator_Abstract Fluent interface */ public function openElement($name, $value = null) { $this->_openElement($name); if ($value !== null) { $this->_writeTextData($value); } return $this; } /** * End of an XML element * * Method marks the end of an XML element * * @param string $name XML tag name * @return Zend_XmlRpc_Generator_Abstract Fluent interface */ public function closeElement($name) { $this->_closeElement($name); return $this; } /** * Return XML as a string * * @return string */ abstract public function saveXml(); /** * Return encoding * * @return string */ public function getEncoding() { return $this->_encoding; } /** * Returns the XML as a string and flushes all internal buffers * * @return string */ public function flush() { $xml = $this->saveXml(); $this->_init(); return $xml; } /** * Returns XML without document declaration * * @return string */ public function __toString() { return $this->stripDeclaration($this->saveXml()); } /** * Removes XML declaration from a string * * @param string $xml * @return string */ public function stripDeclaration($xml) { return preg_replace('/<\?xml version="1.0"( encoding="[^\"]*")?\?>\n/u', '', $xml); } /** * Start XML element * * @param string $name XML element name */ abstract protected function _openElement($name); /** * Write XML text data into the currently opened XML element * * @param string $text */ abstract protected function _writeTextData($text); /** * End XML element * * @param string $name */ abstract protected function _closeElement($name); }