<?php
/**
 * Markup Validator
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package wb
 * @subpackage Markup
 */

WBClass::load('WBMarkup_Validator');

/**
 * Markup Validator
 *
 * Validator base class
 *
 * @version 0.1.0
 * @package wb
 * @subpackage Markup
 */
class WBMarkup_Validator extends WBStdClass
{
    /**
     * Validator's config
     *
     * @var array
     */
    protected $config   =   array();
    
    /**
     * Last Error's error
     * 
     * Zero if there is no error
     * @var int
     */
    private $errorCode  =   0;
    
    /**
     * Last error message
     * @var string
     */
    private $errorMsg = '';
    
    /**
     * Constructor
     * 
     * Standard constructor
     * @param array
     */
    public function __construct($parameters = array())
    {
    }
    
    /**
     * Configure validator
     * 
     * Set configuration parameter
     * 
     *`@param array
     */    
    final public function configure($config)
    {
        $this->config   =   array_merge($this->config, $config);
    }

   /**
    * Validate Start Element
    *
    * Will be called for each start element.
    * Return true if validator feels responsible for this part. 
    * If true, no further validators will be uses
    *
    * @param string $ns
    * @param string $tag
    * @param array $attributes
    * @param bool $isEmpty
    * @return bool
    */
    public function validateStartElement($ns, $tag, $attributes, $isEmpty)
    {
        $this->flushError();
        return false;
    }
    
    /**
     * Set Error Message
     *
     * @param int $code
     * @param string $msg
     */
    final protected function setError($code, $msg)
    {
        $this->errorCode    =   $code;
        $this->errorMsg     =   $msg;
    }
    
    /**
     * Unset Error Code
     */
    final public function flushError()
    {
        $this->errorCode    =   0;
        $this->errorMsg     =   '';
    }
    
    /**
     * Get Last Error Code
     * 
     * @return int
     */
    final public function getErrorCode()
    {
        return $this->errorCode;
    }
    
    /**
     * Get Last Error
     * 
     * @return string
     */
    final public function getErrorMsg()
    {
        return $this->errorMsg;
    }
}