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<?php
/**
 * A static class for debugging
 *
 * Using a static class instead of a include file with global functions, along with
 * autoloading of classes, reduces the memory usage and only includes files when needed.
 *
 * @category    ICMS
 * @package     Core
 * @author      Steve Kenow <skenow@impresscms.org>
 * @copyright   (c) 2007-2008 The ImpressCMS Project - www.impresscms.org
 * @license     http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU General Public License (GPL)
 * @version     SVN: $Id: Debug.php 12313 2013-09-15 21:14:35Z skenow $
 * @since       1.3
 */

/**
 * This class and its methods handle all the debug messages
 */
class icms_core_Debug {

    /* Since all the methods are static, there is no __construct necessary   */

    /**
     * Output a line of debug
     * This takes the place of icms_debug()
     *
     * @param string $msg
     * @param boolean $exit
     */
    static public function message($msg, $exit = false) {
        echo "<div style='padding: 5px; color: red; font-weight: bold'>". _CORE_DEBUG . " :: " . $msg . "</div>";
        if ($exit) {
            die();
        }
    }
    /**
     * Output a dump of a variable
     * This takes the place of icms_debug_vardump()
     *
     * @param string $var
     */
    static public function vardump($var) {
        if (class_exists('icms_core_Textsanitizer')) {
            self::message(icms_core_DataFilter::checkVar(var_export($var, true), 'text', 'output'));
        } else {
            $var = var_export($var, true);
            $var = preg_replace("/(\015\012)|(\015)|(\012)/", "<br />", $var);
            self::message($var);
        }
    }

    /**
     * Provides a backtrace for deprecated methods and functions, will be in the error section of debug
     * This takes the place of icms_deprecated() and include/functions.php :: xoops_refcheck()
     *
     * @param string $replacement Method or function to be used instead of the deprecated method or function
     * @param string $extra Additional information to provide about the change
     */
    static public function setDeprecated($replacement='', $extra='') {
        trigger_error($replacement, E_USER_DEPRECATED);
        if (icms::$logger->activated) {
            icms_loadLanguageFile('core', 'core');
            $trace = debug_backtrace();
            array_shift($trace);
            $level = $msg = $message = '';
            $pre =  '<strong><em>(' . _CORE_DEPRECATED . ')</em></strong> - ';
            if ($trace[0]['function'] != 'include'
                && $trace[0]['function'] != 'include_once'
                && $trace[0]['function'] != 'require'
                && $trace[0]['function'] != 'require_once'
            ) {
                $pre .= $trace[0]['function'] . ': ';
            }
    
            foreach ( $trace as $step) {
                $level .= '-';
                if (isset($step['file'])) {
                        $message .= $level . $msg
                            . (isset( $step['class'] ) ? $step['class'] : '')
                            . (isset( $step['type'] ) ? $step['type'] : '' )
                            . sprintf(_CORE_DEPRECATED_MSG, $step['function'],
                                str_replace(array(ICMS_TRUST_PATH, ICMS_ROOT_PATH), array("TRUSTPATH", "ROOTPATH"), $step['file']),
                                $step['line']
                            );
                }
                $msg = _CORE_DEPRECATED_CALLEDBY;
            }
    
    
            icms::$logger->addDeprecated(
                $pre . ($replacement ? ' <strong><em>' . sprintf(_CORE_DEPRECATED_REPLACEMENT, $replacement) . '</em></strong>.' : '')
                . ($extra ? ' <strong><em>' . $extra . '</em></strong>' : '')
                . _CORE_DEPRECATED_CALLSTACK . $message
            );
        }
    }
 }