source: inc/core/class.dc.error.php @ 3615:b9ac15edad1c

<?php
# -- BEGIN LICENSE BLOCK ---------------------------------------
#
# This file is part of Dotclear 2.
#
# Copyright (c) 2003-2013 Olivier Meunier & Association Dotclear
# Licensed under the GPL version 2.0 license.
# See LICENSE file or
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK -----------------------------------------
if (!defined('DC_RC_PATH')) { return; }

/**
* @ingroup DC_CORE
* @brief Error class
*
* dcError is a very simple error class, with a stack. Call dcError::add to
* add an error in stack. In administration area, errors are automatically
* displayed.
*/
class dcError
{
     /** @var array Errors stack */
     protected $errors = array();
     /** @var boolean True if stack is not empty */
     protected $flag = false;
     /** @var string HTML errors list pattern */
     protected $html_list = "<ul>\n%s</ul>\n";
     /** @var string HTML error item pattern */
     protected $html_item = "<li>%s</li>\n";
     /** @var string HTML error single pattern */
     protected $html_single = "<p>%s</p>\n";

     /**
     * Object string representation. Returns errors stack.
     *
     * @return string
     */
     public function __toString()
     {
          $res = '';

          foreach ($this->errors as $msg)
          {
               $res .= $msg."\n";
          }

          return $res;
     }

     /**
     * Adds an error to stack.
     *
     * @param string     $msg           Error message
     */
     public function add($msg)
     {
          $this->flag = true;
          $this->errors[] = $msg;
     }

     /**
     * Returns the value of <var>flag</var> property. True if errors stack is not empty
     *
     * @return boolean
     */
     public function flag()
     {
          return $this->flag;
     }

     /**
     * Resets errors stack.
     */
     public function reset()
     {
          $this->flag = false;
          $this->errors = array();
     }

     /**
     * Returns <var>errors</var> property.
     *
     * @return array
     */
     public function getErrors()
     {
          return $this->errors;
     }

     /**
     * Sets <var>list</var> and <var>item</var> properties.
     *
     * @param string     $list          HTML errors list pattern
     * @param string     $item          HTML error item pattern
     */
     public function setHTMLFormat($list,$item,$single=null)
     {
          $this->html_list = $list;
          $this->html_item = $item;
          if ($single) {
               $this->html_single = $single;
          }
     }

     /**
     * Returns errors stack as HTML.
     *
     * @return string
     */
     public function toHTML()
     {
          $res = '';

          if ($this->flag)
          {
               if (count($this->errors == 1)) {
                    $res = sprintf($this->html_single,$this->errors[0]);
               } else {
                    foreach ($this->errors as $msg) {
                         $res .= sprintf($this->html_item,$msg);
                    }
                    $res = sprintf($this->html_list,$res);
               }
          }

          return $res;
     }
}