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<?
class CDavXmlNode
{
private $tagname;
private $xmlns;
private $attributes;
private $content;
/**
* Constructor
*
* @param string $tagname The tag name of the new element
* @param mixed $content Either a string of content, or an array of sub-elements
* @param array $attributes An array of attribute name/value pairs
* @param array $xmlns An XML namespace specifier
*/
public function __construct($tagname, $content = false, $attributes = false, $xmlns = null)
{
$this->tagname = $tagname;
if (gettype($content) == "object")
$this->content = array(&$content);
else
$this->content = $content;
$this->attributes = $attributes;
if (isset($this->attributes['xmlns']))
$this->xmlns = $this->attributes['xmlns'];
if (isset($xmlns))
{
$this->xmlns = $xmlns;
$this->attributes['xmlns'] = $xmlns;
}
}
public function GetTag()
{
return $this->tagname;
}
public function GetAttribute($name)
{
return (isset($this->attributes[$name])) ? $this->attributes[$name] : null;
}
public function GetXmlNS()
{
return $this->xmlns;
}
public function GetContent()
{
return $this->content;
}
/**
* Return an array of elements matching the specified path
*
* @return array The CDavXmlNode within the tree which match this tag
*/
public function GetPath($path)
{
$elements = array();
if (!preg_match('#(/)?([^/]+)(/?.*)$#', $path, $matches))
return $elements;
$searchTagname = $matches[2];
$searchXmlns = "";
if (preg_match('/^(.*):([^:]+)$/', $searchTagname, $matches1))
{
$searchXmlns = $matches1[1];
$searchTagname = $matches1[2];
}
if ($matches[2] == '*' || strtolower($searchTagname) == strtolower($this->tagname) && (empty($searchXmlns) || strtolower($searchXmlns) == strtolower($this->xmlns)))
{
if ($matches[3] == '')
{
$elements[] = $this;
}
elseif (gettype($this->content) == "array")
{
foreach ($this->content as $key => $val)
$elements = array_merge($elements, $val->GetPath($matches[3]));
}
}
if ($matches[1] != '/' && gettype($this->content) == "array")
{
foreach ($this->content as $key => $val)
$elements = array_merge($elements, $val->GetPath($path));
}
return $elements;
}
/**
* Return an array of child elements matching the specified tag, or all elements if no tag is supplied.
*
* @return array The XMLElements within the tree which match this tag
*/
public function GetChildren($tag = null, $recursive = false)
{
$elements = array();
if (gettype($this->content) == "array")
{
foreach ($this->content as $val)
{
if (!isset($tag) || (isset($val->tagname) && $val->tagname == $tag))
$elements[] = $val;
if ($recursive)
$elements = $elements + $val->GetChildren($tag, true);
}
}
elseif (!isset($tag) || (isset($this->content->tagname) && $this->content->tagname == $tag))
{
$elements[] = $this->content;
}
return $elements;
}
}
?>