AtomParser

65class AtomParser {66 67    var $NS = 'http://www.w3.org/2005/Atom';68    var $ATOM_CONTENT_ELEMENTS = array('content','summary','title','subtitle','rights');69    var $ATOM_SIMPLE_ELEMENTS = array('id','updated','published','draft');70 71    var $debug = false;72 73    var $depth = 0;74    var $indent = 2;75    var $in_content;76    var $ns_contexts = array();77    var $ns_decls = array();78    var $content_ns_decls = array();79    var $content_ns_contexts = array();80    var $is_xhtml = false;81    var $is_html = false;82    var $is_text = true;83    var $skipped_div = false;84 85    var $FILE = "php://input";86 87    var $feed;88    var $current;89    var $map_attrs_func;90    var $map_xmlns_func;91    var $error;92    var $content;93 94	/**95	 * PHP5 constructor.96	 */97    function __construct() {98 99        $this->feed = new AtomFeed();100        $this->current = null;101        $this->map_attrs_func = array( __CLASS__, 'map_attrs' );102        $this->map_xmlns_func = array( __CLASS__, 'map_xmlns' );103    }104 105	/**106	 * PHP4 constructor.107	 */108	public function AtomParser() {109		self::__construct();110	}111 112	/**113	 * Map attributes to key="val"114	 *115	 * @param string $k Key116	 * @param string $v Value117	 * @return string118	 */119	public static function map_attrs($k, $v) {120		return "$k=\"$v\"";121	}122 123	/**124	 * Map XML namespace to string.125	 *126	 * @param indexish $p XML Namespace element index127	 * @param array $n Two-element array pair. [ 0 => {namespace}, 1 => {url} ]128	 * @return string 'xmlns="{url}"' or 'xmlns:{namespace}="{url}"'129	 */130	public static function map_xmlns($p, $n) {131		$xd = "xmlns";132		if( 0 < strlen($n[0]) ) {133			$xd .= ":{$n[0]}";134		}135		return "{$xd}=\"{$n[1]}\"";136	}137 138    function _p($msg) {139        if($this->debug) {140            print str_repeat(" ", $this->depth * $this->indent) . $msg ."\n";141        }142    }143 144    function error_handler($log_level, $log_text, $error_file, $error_line) {