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<?php
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Author: Bertrand Mansion <bmansion@mamasam.com> |
// +----------------------------------------------------------------------+
//
// $Id: XML.php,v 1.15 2005/12/24 02:24:30 aashley Exp $
require_once('XML/Parser.php');
require_once('XML/Util.php');
/**
* Config parser for XML Files
*
* @author Bertrand Mansion <bmansion@mamasam.com>
* @package Config
*/
class Config_Container_XML extends XML_Parser
{
/**
* Deep level used for indentation
*
* @var int
* @access private
*/
var $_deep = -1;
/**
* This class options:
* version (1.0) : XML version
* encoding (ISO-8859-1) : XML content encoding
* name : like in phparray, name of your config global entity
* indent : char used for indentation
* linebreak : char used for linebreak
* addDecl : whether to add the xml declaration at beginning or not
* useAttr : whether to use the attributes
* isFile : whether the given content is a file or an XML string
* useCData : whether to surround data with <![CDATA[...]]>
*
* @var array
*/
var $options = array('version' => '1.0',
'encoding' => 'ISO-8859-1',
'name' => '',
'indent' => ' ',
'linebreak' => "\n",
'addDecl' => true,
'useAttr' => true,
'isFile' => true,
'useCData' => false);
/**
* Container objects
*
* @var array
*/
var $containers = array();
/**
* Constructor
*
* @access public
* @param string $options Options to be used by renderer
* version : (1.0) XML version
* encoding : (ISO-8859-1) XML content encoding
* name : like in phparray, name of your config global entity
* indent : char used for indentation
* linebreak : char used for linebreak
* addDecl : whether to add the xml declaration at beginning or not
* useAttr : whether to use the attributes
* isFile : whether the given content is a file or an XML string
*/
function Config_Container_XML($options = array())
{
foreach ($options as $key => $value) {
$this->options[$key] = $value;
}
} // end constructor
/**
* Parses the data of the given configuration file
*
* @access public
* @param string $datasrc path to the configuration file
* @param object $obj reference to a config object
* @return mixed returns a PEAR_ERROR, if error occurs or true if ok
*/
function &parseDatasrc($datasrc, &$obj)
{
$err = true;
$this->folding = false;
$this->cdata = null;
$this->XML_Parser($this->options['encoding'], 'event');
$this->containers[0] =& $obj->container;
if (is_string($datasrc)) {
if ($this->options['isFile']) {
$err = $this->setInputFile($datasrc);
if (PEAR::isError($err)) {
return $err;
}
$err = $this->parse();
} else {
$err = $this->parseString($datasrc, true);
}
} else {
$this->setInput($datasrc);
$err = $this->parse();
}
return $err;
} // end func parseDatasrc
/**
* Handler for the xml-data
*
* @param mixed $xp ignored
* @param string $elem name of the element
* @param array $attribs attributes for the generated node
*
* @access private
*/
function startHandler($xp, $elem, &$attribs)
{
$container =& new Config_Container('section', $elem, null, $attribs);
$this->containers[] =& $container;
return null;
} // end func startHandler
/**
* Handler for the xml-data
*
* @param mixed $xp ignored
* @param string $elem name of the element
*
* @access private
*/
function endHandler($xp, $elem)
{
$count = count($this->containers);
$container =& $this->containers[$count-1];
$currentSection =& $this->containers[$count-2];
if (count($container->children) == 0) {
$container->setType('directive');
$container->setContent(trim($this->cdata));
}
$currentSection->addItem($container);
array_pop($this->containers);
$this->cdata = null;
return null;
} // end func endHandler
/*
* The xml character data handler
*
* @param mixed $xp ignored
* @param string $data PCDATA between tags
*
* @access private
*/
function cdataHandler($xp, $cdata)
{
$this->cdata .= $cdata;
} // end func cdataHandler
/**
* Returns a formatted string of the object
* @param object $obj Container object to be output as string
* @access public
* @return string
*/
function toString(&$obj)
{
$indent = '';
if (!$obj->isRoot()) {
// no indent for root
$this->_deep++;
$indent = str_repeat($this->options['indent'], $this->_deep);
} else {
// Initialize string with xml declaration
$string = '';
if ($this->options['addDecl']) {
$string .= XML_Util::getXMLDeclaration($this->options['version'], $this->options['encoding']);
$string .= $this->options['linebreak'];
}
if (!empty($this->options['name'])) {
$string .= '<'.$this->options['name'].'>'.$this->options['linebreak'];
$this->_deep++;
$indent = str_repeat($this->options['indent'], $this->_deep);
}
}
if (!isset($string)) {
$string = '';
}
switch ($obj->type) {
case 'directive':
$attributes = ($this->options['useAttr']) ? $obj->attributes : array();
$string .= $indent.XML_Util::createTag($obj->name, $attributes, $obj->content, null,
($this->options['useCData'] ? XML_UTIL_CDATA_SECTION : XML_UTIL_REPLACE_ENTITIES));
$string .= $this->options['linebreak'];
break;
case 'comment':
$string .= $indent.'<!-- '.$obj->content.' -->';
$string .= $this->options['linebreak'];
break;
case 'section':
if (!$obj->isRoot()) {
$string = $indent.'<'.$obj->name;
$string .= ($this->options['useAttr']) ? XML_Util::attributesToString($obj->attributes) : '';
}
if ($children = count($obj->children)) {
if (!$obj->isRoot()) {
$string .= '>'.$this->options['linebreak'];
}
for ($i = 0; $i < $children; $i++) {
$string .= $this->toString($obj->getChild($i));
}
}
if (!$obj->isRoot()) {
if ($children) {
$string .= $indent.'</'.$obj->name.'>'.$this->options['linebreak'];
} else {
$string .= '/>'.$this->options['linebreak'];
}
} else {
if (!empty($this->options['name'])) {
$string .= '</'.$this->options['name'].'>'.$this->options['linebreak'];
}
}
break;
default:
$string = '';
}
if (!$obj->isRoot()) {
$this->_deep--;
}
return $string;
} // end func toString
} // end class Config_Container_XML
?>
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