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/home/cluster1/data/bu01/1121861/jlex/php4/char_classes_parser.php4

<?
class char_classes_parser 
{
    
    var $parser;
    var $name;

var $char_classes;
    var $data;

function char_classes_parser() {
	$this->parser = xml_parser_create();
	xml_set_object($this->parser, $this);
	xml_set_element_handler($this->parser, "startHandler", "endHandler");
	xml_set_character_data_handler($this->parser, "cDataHandler");

$this->name = "";
	$this->char_classes = array();
	$this->data = "";
    }

function load_user_char_classes($user_char_classes) {
	$char_classes = array();
	foreach($user_char_classes as $char_class) {
	    $char_class = trim($char_class);
	    if($char_class != "") {
	       $vals = explode(" = ",$char_class);
	       $name = $vals[0];
	       $symbols = $vals[1];
	       $char_classes[$name] = $symbols;
	   }
	}
	return $char_classes;
    }

function get_xml_char_classes($xml) {
	if(file_exists($xml)) {
	    $in = fopen($xml,"r");
	    while($line = fgets($in)) {
		$xml = ereg_replace("&", "&amp;",$line);
		$xml = ereg_replace("<", "&lt;",$xml);
		$xml = ereg_replace(">", "&gt;",$xml);
		xml_parse($this->parser,$line,false);
	    }
	}
	return $this->char_classes;
    }

function startHandler($xp, $element, $attribs) {
	//$element = strtolower($element);
    }

function endHandler($xp, $element) {
	$element = strtolower($element);
	if($element == "name") {
	    $this->name = $this->data;
	}
	else if($element == "value") {
	    $this->char_classes[$this->name] = $this->data;
	    $this->name = "";
	}
	$this->data = "";
    }
    
    function cDataHandler($xp, $data) {
	if(trim($data) != "") 
	    $this->data .= $data;
    }
    
}

?>