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<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Client.php 17752 2009-08-22 15:49:54Z lars $
*/
/**
* 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);
}
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