<?php
/**
* Extracts the warnings from PHPDoc warnings_* files.
* 
* @version  $Id: PhpdocWarningAccessor.php,v 1.1 2001/05/08 04:48:35 sbergmann Exp $
*/
class PhpdocWarningAccessor extends PhpdocAccessor {

    /**
    * If set to true all get_xy() functions will free their resources.
    *
    * @var      boolean
    * @access   public
    */
    var $freeOnGet = true;    
    
    /**
    * Array of warnings.
    *
    * @var      array
    */
    var $warnings = array();
    
    /**
    * Flag used to detect if get_xy() was called.
    *
    * @var      boolean
    */
    var $flag_build = false;
    
    /**
    * Returns a hash of warnings in of the given XML file.
    *
    * @param    string  XML file
    * @return   array
    * @access   public
    * @see      $freeOnGet
    */
    function getWarnings($xmlfile) {
        
        $this->buildWarnings($xmlfile);
        
        if ($this->freeOnGet) {
            
            $data = $this->warnings; 
            $this->warnings = array();
            return $data;
            
        } else {
            
            return $this->warnings;
            
        }
        
    } // end func getWarnings
    
    /**
    * Build the internal list of warnings.
    *
    * @param    string  XML file to load
    */
    function buildWarnings($xmlfile) {
        
        if ($this->flag_build)
            return;
            
        $this->flag_build = true;
        $this->warnings        = array();
        $this->loadXMLFile($xmlfile);

        if(!isset($this->xml["warnings"][0]))
            $this->xml["warnings"] = array( $this->xml["warnings"] );
        
        reset($this->xml["warnings"]);
        while (list($k, $warnings) = each($this->xml["warnings"])) {
        
            $file = $warnings["file"];
            if (!isset($warnings["warning"][0])) 
                $warnings["warning"] = array($warnings["warning"]);
            $this->warnings[$file] = $warnings["warning"];
                    
        }

        $this->xml = "";
        
    } // end func buildWarnings
    
    function init() {
        $this->flag_build = false;
    } // end func init
    
} // end class PhpdocWarningAccess
?>