mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-29 12:20:53 +00:00
708 lines
20 KiB
PHP
708 lines
20 KiB
PHP
<?php
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/**
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* Framework debugging and PHP error-handling class
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*
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* Provides enhanced logging, stack traces, and rendering debug views
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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* @since CakePHP(tm) v 1.2.4560
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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/**
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* Included libraries.
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*
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*/
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if (!class_exists('Object')) {
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require_once LIBS . 'object.php';
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}
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if (!class_exists('CakeLog')) {
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require_once LIBS . 'cake_log.php';
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}
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if (!class_exists('String')) {
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require_once LIBS . 'string.php';
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}
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/**
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* Provide custom logging and error handling.
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*
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* Debugger overrides PHP's default error handling to provide stack traces and enhanced logging
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*
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* @package cake
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* @subpackage cake.cake.libs
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* @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class
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*/
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class Debugger extends Object {
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/**
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* A list of errors generated by the application.
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*
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* @var array
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* @access public
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*/
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var $errors = array();
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/**
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* Contains the base URL for error code documentation.
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*
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* @var string
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* @access public
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*/
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var $helpPath = null;
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/**
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* The current output format.
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*
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* @var string
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* @access protected
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*/
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var $_outputFormat = 'js';
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/**
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* Templates used when generating trace or error strings. Can be global or indexed by the format
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* value used in $_outputFormat.
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*
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* @var string
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* @access protected
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*/
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var $_templates = array(
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'log' => array(
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'trace' => '{:reference} - {:path}, line {:line}',
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'error' => "{:error} ({:code}): {:description} in [{:file}, line {:line}]"
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),
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'js' => array(
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'error' => '',
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'info' => '',
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'trace' => '<pre class="stack-trace">{:trace}</pre>',
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'code' => '',
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'context' => '',
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'links' => array()
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),
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'html' => array(
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'trace' => '<pre class="cake-debug trace"><b>Trace</b> <p>{:trace}</p></pre>',
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'context' => '<pre class="cake-debug context"><b>Context</b> <p>{:context}</p></pre>'
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),
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'txt' => array(
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'error' => "{:error}: {:code} :: {:description} on line {:line} of {:path}\n{:info}",
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'context' => "Context:\n{:context}\n",
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'trace' => "Trace:\n{:trace}\n",
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'code' => '',
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'info' => ''
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),
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'base' => array(
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'traceLine' => '{:reference} - {:path}, line {:line}'
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)
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);
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/**
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* Holds current output data when outputFormat is false.
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*
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* @var string
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* @access private
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*/
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var $_data = array();
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/**
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* Constructor.
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*
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*/
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function __construct() {
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$docRef = ini_get('docref_root');
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if (empty($docRef) && function_exists('ini_set')) {
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ini_set('docref_root', 'http://php.net/');
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}
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if (!defined('E_RECOVERABLE_ERROR')) {
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define('E_RECOVERABLE_ERROR', 4096);
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}
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if (!defined('E_DEPRECATED')) {
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define('E_DEPRECATED', 8192);
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}
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$e = '<pre class="cake-debug">';
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$e .= '<a href="javascript:void(0);" onclick="document.getElementById(\'{:id}-trace\')';
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$e .= '.style.display = (document.getElementById(\'{:id}-trace\').style.display == ';
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$e .= '\'none\' ? \'\' : \'none\');"><b>{:error}</b> ({:code})</a>: {:description} ';
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$e .= '[<b>{:path}</b>, line <b>{:line}</b>]';
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$e .= '<div id="{:id}-trace" class="cake-stack-trace" style="display: none;">';
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$e .= '{:links}{:info}</div>';
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$e .= '</pre>';
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$this->_templates['js']['error'] = $e;
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$t = '<div id="{:id}-trace" class="cake-stack-trace" style="display: none;">';
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$t .= '{:context}{:code}{:trace}</div>';
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$this->_templates['js']['info'] = $t;
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$links = array();
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$link = '<a href="javascript:void(0);" onclick="document.getElementById(\'{:id}-code\')';
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$link .= '.style.display = (document.getElementById(\'{:id}-code\').style.display == ';
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$link .= '\'none\' ? \'\' : \'none\')">Code</a>';
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$links['code'] = $link;
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$link = '<a href="javascript:void(0);" onclick="document.getElementById(\'{:id}-context\')';
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$link .= '.style.display = (document.getElementById(\'{:id}-context\').style.display == ';
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$link .= '\'none\' ? \'\' : \'none\')">Context</a>';
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$links['context'] = $link;
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$links['help'] = '<a href="{:helpPath}{:code}" target="_blank">Help</a>';
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$this->_templates['js']['links'] = $links;
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$this->_templates['js']['context'] = '<pre id="{:id}-context" class="cake-context" ';
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$this->_templates['js']['context'] .= 'style="display: none;">{:context}</pre>';
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$this->_templates['js']['code'] = '<div id="{:id}-code" class="cake-code-dump" ';
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$this->_templates['js']['code'] .= 'style="display: none;"><pre>{:code}</pre></div>';
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$e = '<pre class="cake-debug"><b>{:error}</b> ({:code}) : {:description} ';
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$e .= '[<b>{:path}</b>, line <b>{:line}]</b></pre>';
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$this->_templates['html']['error'] = $e;
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$this->_templates['html']['context'] = '<pre class="cake-debug context"><b>Context</b> ';
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$this->_templates['html']['context'] .= '<p>{:context}</p></pre>';
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}
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/**
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* Returns a reference to the Debugger singleton object instance.
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*
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* @return object
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* @access public
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* @static
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*/
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function &getInstance($class = null) {
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static $instance = array();
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if (!empty($class)) {
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if (!$instance || strtolower($class) != strtolower(get_class($instance[0]))) {
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$instance[0] = & new $class();
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if (Configure::read() > 0) {
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Configure::version(); // Make sure the core config is loaded
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$instance[0]->helpPath = Configure::read('Cake.Debugger.HelpPath');
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}
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}
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}
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if (!$instance) {
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$instance[0] =& new Debugger();
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if (Configure::read() > 0) {
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Configure::version(); // Make sure the core config is loaded
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$instance[0]->helpPath = Configure::read('Cake.Debugger.HelpPath');
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}
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}
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return $instance[0];
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}
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/**
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* Formats and outputs the contents of the supplied variable.
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*
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* @param $var mixed the variable to dump
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* @return void
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* @see Debugger::exportVar()
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* @access public
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* @static
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* @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class
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*/
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function dump($var) {
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$_this =& Debugger::getInstance();
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pr($_this->exportVar($var));
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}
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/**
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* Creates an entry in the log file. The log entry will contain a stack trace from where it was called.
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* as well as export the variable using exportVar. By default the log is written to the debug log.
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*
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* @param $var mixed Variable or content to log
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* @param $level int type of log to use. Defaults to LOG_DEBUG
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* @return void
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* @static
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* @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class
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*/
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function log($var, $level = LOG_DEBUG) {
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$_this =& Debugger::getInstance();
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$source = $_this->trace(array('start' => 1)) . "\n";
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CakeLog::write($level, "\n" . $source . $_this->exportVar($var));
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}
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/**
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* Overrides PHP's default error handling.
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*
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* @param integer $code Code of error
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* @param string $description Error description
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* @param string $file File on which error occurred
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* @param integer $line Line that triggered the error
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* @param array $context Context
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* @return boolean true if error was handled
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* @access public
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*/
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function handleError($code, $description, $file = null, $line = null, $context = null) {
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if (error_reporting() == 0 || $code === 2048 || $code === 8192) {
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return;
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}
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$_this =& Debugger::getInstance();
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if (empty($file)) {
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$file = '[internal]';
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}
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if (empty($line)) {
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$line = '??';
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}
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$path = $_this->trimPath($file);
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$info = compact('code', 'description', 'file', 'line');
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if (!in_array($info, $_this->errors)) {
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$_this->errors[] = $info;
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} else {
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return;
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}
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switch ($code) {
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case E_PARSE:
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case E_ERROR:
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case E_CORE_ERROR:
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case E_COMPILE_ERROR:
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case E_USER_ERROR:
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$error = 'Fatal Error';
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$level = LOG_ERROR;
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break;
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case E_WARNING:
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case E_USER_WARNING:
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case E_COMPILE_WARNING:
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case E_RECOVERABLE_ERROR:
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$error = 'Warning';
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$level = LOG_WARNING;
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break;
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case E_NOTICE:
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case E_USER_NOTICE:
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$error = 'Notice';
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$level = LOG_NOTICE;
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break;
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default:
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return;
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break;
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}
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$helpCode = null;
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if (!empty($_this->helpPath) && preg_match('/.*\[([0-9]+)\]$/', $description, $codes)) {
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if (isset($codes[1])) {
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$helpID = $codes[1];
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$description = trim(preg_replace('/\[[0-9]+\]$/', '', $description));
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}
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}
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$data = compact(
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'level', 'error', 'code', 'helpID', 'description', 'file', 'path', 'line', 'context'
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);
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echo $_this->_output($data);
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if (Configure::read('log')) {
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$tpl = $_this->_templates['log']['error'];
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$options = array('before' => '{:', 'after' => '}');
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CakeLog::write($level, String::insert($tpl, $data, $options));
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}
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if ($error == 'Fatal Error') {
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exit();
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}
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return true;
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}
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/**
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* Outputs a stack trace based on the supplied options.
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*
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* ### Options
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*
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* - `depth` - The number of stack frames to return. Defaults to 999
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* - `format` - The format you want the return. Defaults to the currently selected format. If
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* format is 'array' or 'points' the return will be an array.
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* - `args` - Should arguments for functions be shown? If true, the arguments for each method call
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* will be displayed.
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* - `start` - The stack frame to start generating a trace from. Defaults to 0
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*
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* @param array $options Format for outputting stack trace
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* @return mixed Formatted stack trace
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* @access public
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* @static
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* @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class
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*/
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function trace($options = array()) {
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$_this =& Debugger::getInstance();
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$defaults = array(
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'depth' => 999,
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'format' => $_this->_outputFormat,
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'args' => false,
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'start' => 0,
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'scope' => null,
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'exclude' => null
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);
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$options += $defaults;
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$backtrace = debug_backtrace();
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$count = count($backtrace);
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$back = array();
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$_trace = array(
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'line' => '??',
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'file' => '[internal]',
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'class' => null,
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'function' => '[main]'
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);
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for ($i = $options['start']; $i < $count && $i < $options['depth']; $i++) {
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$trace = array_merge(array('file' => '[internal]', 'line' => '??'), $backtrace[$i]);
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if (isset($backtrace[$i + 1])) {
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$next = array_merge($_trace, $backtrace[$i + 1]);
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$reference = $next['function'];
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if (!empty($next['class'])) {
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$reference = $next['class'] . '::' . $reference . '(';
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if ($options['args'] && isset($next['args'])) {
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$args = array();
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foreach ($next['args'] as $arg) {
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$args[] = Debugger::exportVar($arg);
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}
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$reference .= join(', ', $args);
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}
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$reference .= ')';
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}
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} else {
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$reference = '[main]';
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}
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if (in_array($reference, array('call_user_func_array', 'trigger_error'))) {
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continue;
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}
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if ($options['format'] == 'points' && $trace['file'] != '[internal]') {
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$back[] = array('file' => $trace['file'], 'line' => $trace['line']);
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} elseif ($options['format'] == 'array') {
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$back[] = $trace;
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} else {
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if (isset($_this->_templates[$options['format']]['traceLine'])) {
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$tpl = $_this->_templates[$options['format']]['traceLine'];
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} else {
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$tpl = $_this->_templates['base']['traceLine'];
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}
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$trace['path'] = Debugger::trimPath($trace['file']);
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$trace['reference'] = $reference;
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unset($trace['object'], $trace['args']);
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$back[] = String::insert($tpl, $trace, array('before' => '{:', 'after' => '}'));
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}
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}
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if ($options['format'] == 'array' || $options['format'] == 'points') {
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return $back;
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}
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return implode("\n", $back);
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}
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/**
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* Shortens file paths by replacing the application base path with 'APP', and the CakePHP core
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* path with 'CORE'.
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*
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* @param string $path Path to shorten
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* @return string Normalized path
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* @access public
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* @static
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*/
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function trimPath($path) {
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if (!defined('CAKE_CORE_INCLUDE_PATH') || !defined('APP')) {
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return $path;
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}
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if (strpos($path, APP) === 0) {
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return str_replace(APP, 'APP' . DS, $path);
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} elseif (strpos($path, CAKE_CORE_INCLUDE_PATH) === 0) {
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return str_replace(CAKE_CORE_INCLUDE_PATH, 'CORE', $path);
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} elseif (strpos($path, ROOT) === 0) {
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return str_replace(ROOT, 'ROOT', $path);
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}
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$corePaths = App::core('cake');
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foreach ($corePaths as $corePath) {
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if (strpos($path, $corePath) === 0) {
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return str_replace($corePath, 'CORE' .DS . 'cake' .DS, $path);
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}
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}
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return $path;
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}
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/**
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* Grabs an excerpt from a file and highlights a given line of code
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*
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* @param string $file Absolute path to a PHP file
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* @param integer $line Line number to highlight
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* @param integer $context Number of lines of context to extract above and below $line
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* @return array Set of lines highlighted
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* @access public
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* @static
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* @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class
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*/
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function excerpt($file, $line, $context = 2) {
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$data = $lines = array();
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if (!file_exists($file)) {
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return array();
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}
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$data = @explode("\n", file_get_contents($file));
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if (empty($data) || !isset($data[$line])) {
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return;
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}
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for ($i = $line - ($context + 1); $i < $line + $context; $i++) {
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if (!isset($data[$i])) {
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continue;
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}
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$string = str_replace(array("\r\n", "\n"), "", highlight_string($data[$i], true));
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if ($i == $line) {
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$lines[] = '<span class="code-highlight">' . $string . '</span>';
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} else {
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$lines[] = $string;
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}
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}
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return $lines;
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}
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/**
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* Converts a variable to a string for debug output.
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*
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* @param string $var Variable to convert
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* @return string Variable as a formatted string
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* @access public
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* @static
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* @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class
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*/
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function exportVar($var, $recursion = 0) {
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$_this =& Debugger::getInstance();
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switch (strtolower(gettype($var))) {
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case 'boolean':
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return ($var) ? 'true' : 'false';
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break;
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case 'integer':
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case 'double':
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return $var;
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break;
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case 'string':
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if (trim($var) == "") {
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return '""';
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}
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return '"' . h($var) . '"';
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break;
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case 'object':
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return get_class($var) . "\n" . $_this->__object($var);
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case 'array':
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$out = "array(";
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$vars = array();
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foreach ($var as $key => $val) {
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if ($recursion >= 0) {
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if (is_numeric($key)) {
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$vars[] = "\n\t" . $_this->exportVar($val, $recursion - 1);
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} else {
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$vars[] = "\n\t" .$_this->exportVar($key, $recursion - 1)
|
|
. ' => ' . $_this->exportVar($val, $recursion - 1);
|
|
}
|
|
}
|
|
}
|
|
$n = null;
|
|
if (!empty($vars)) {
|
|
$n = "\n";
|
|
}
|
|
return $out . implode(",", $vars) . "{$n})";
|
|
break;
|
|
case 'resource':
|
|
return strtolower(gettype($var));
|
|
break;
|
|
case 'null':
|
|
return 'null';
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handles object to string conversion.
|
|
*
|
|
* @param string $var Object to convert
|
|
* @return string
|
|
* @access private
|
|
* @see Debugger::exportVar()
|
|
*/
|
|
function __object($var) {
|
|
$out = array();
|
|
|
|
if (is_object($var)) {
|
|
$className = get_class($var);
|
|
$objectVars = get_object_vars($var);
|
|
|
|
foreach ($objectVars as $key => $value) {
|
|
if (is_object($value)) {
|
|
$value = get_class($value) . ' object';
|
|
} elseif (is_array($value)) {
|
|
$value = 'array';
|
|
} elseif ($value === null) {
|
|
$value = 'NULL';
|
|
} elseif (in_array(gettype($value), array('boolean', 'integer', 'double', 'string', 'array', 'resource'))) {
|
|
$value = Debugger::exportVar($value);
|
|
}
|
|
$out[] = "$className::$$key = " . $value;
|
|
}
|
|
}
|
|
return implode("\n", $out);
|
|
}
|
|
|
|
/**
|
|
* Switches output format, updates format strings
|
|
*
|
|
* @param string $format Format to use, including 'js' for JavaScript-enhanced HTML, 'html' for
|
|
* straight HTML output, or 'txt' for unformatted text.
|
|
* @param array $strings Template strings to be used for the output format.
|
|
* @access protected
|
|
*/
|
|
function output($format = null, $strings = array()) {
|
|
$_this =& Debugger::getInstance();
|
|
$data = null;
|
|
|
|
if (is_null($format)) {
|
|
return $_this->_outputFormat;
|
|
}
|
|
|
|
if (!empty($strings)) {
|
|
if (isset($_this->_templates[$format])) {
|
|
if (isset($strings['links'])) {
|
|
$_this->_templates[$format]['links'] = array_merge(
|
|
$_this->_templates[$format]['links'],
|
|
$strings['links']
|
|
);
|
|
unset($strings['links']);
|
|
}
|
|
$_this->_templates[$format] = array_merge($_this->_templates[$format], $strings);
|
|
} else {
|
|
$_this->_templates[$format] = $strings;
|
|
}
|
|
return $_this->_templates[$format];
|
|
}
|
|
|
|
if ($format === true && !empty($_this->_data)) {
|
|
$data = $_this->_data;
|
|
$_this->_data = array();
|
|
$format = false;
|
|
}
|
|
$_this->_outputFormat = $format;
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Renders error messages
|
|
*
|
|
* @param array $data Data about the current error
|
|
* @access private
|
|
*/
|
|
function _output($data = array()) {
|
|
$defaults = array(
|
|
'level' => 0,
|
|
'error' => 0,
|
|
'code' => 0,
|
|
'helpID' => null,
|
|
'description' => '',
|
|
'file' => '',
|
|
'line' => 0,
|
|
'context' => array()
|
|
);
|
|
$data += $defaults;
|
|
|
|
$files = $this->trace(array('start' => 2, 'format' => 'points'));
|
|
$code = $this->excerpt($files[0]['file'], $files[0]['line'] - 1, 1);
|
|
$trace = $this->trace(array('start' => 2, 'depth' => '20'));
|
|
$insertOpts = array('before' => '{:', 'after' => '}');
|
|
$context = array();
|
|
$links = array();
|
|
$info = '';
|
|
|
|
foreach ((array)$data['context'] as $var => $value) {
|
|
$context[] = "\${$var}\t=\t" . $this->exportVar($value, 1);
|
|
}
|
|
|
|
switch ($this->_outputFormat) {
|
|
case false:
|
|
$this->_data[] = compact('context', 'trace') + $data;
|
|
return;
|
|
case 'log':
|
|
$this->log(compact('context', 'trace') + $data);
|
|
return;
|
|
}
|
|
|
|
if (empty($this->_outputFormat) || !isset($this->_templates[$this->_outputFormat])) {
|
|
$this->_outputFormat = 'js';
|
|
}
|
|
|
|
$data['id'] = 'cakeErr' . count($this->errors);
|
|
$tpl = array_merge($this->_templates['base'], $this->_templates[$this->_outputFormat]);
|
|
$insert = array('context' => join("\n", $context), 'helpPath' => $this->helpPath) + $data;
|
|
|
|
$detect = array('help' => 'helpID', 'context' => 'context');
|
|
|
|
if (isset($tpl['links'])) {
|
|
foreach ($tpl['links'] as $key => $val) {
|
|
if (isset($detect[$key]) && empty($insert[$detect[$key]])) {
|
|
continue;
|
|
}
|
|
$links[$key] = String::insert($val, $insert, $insertOpts);
|
|
}
|
|
}
|
|
|
|
foreach (array('code', 'context', 'trace') as $key) {
|
|
if (empty($$key) || !isset($tpl[$key])) {
|
|
continue;
|
|
}
|
|
if (is_array($$key)) {
|
|
$$key = join("\n", $$key);
|
|
}
|
|
$info .= String::insert($tpl[$key], compact($key) + $insert, $insertOpts);
|
|
}
|
|
$links = join(' | ', $links);
|
|
unset($data['context']);
|
|
|
|
echo String::insert($tpl['error'], compact('links', 'info') + $data, $insertOpts);
|
|
}
|
|
|
|
/**
|
|
* Verifies that the application's salt and cipher seed value has been changed from the default value.
|
|
*
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function checkSecurityKeys() {
|
|
if (Configure::read('Security.salt') == 'DYhG93b0qyJfIxfs2guVoUubWwvniR2G0FgaC9mi') {
|
|
trigger_error(__('Please change the value of \'Security.salt\' in app/config/core.php to a salt value specific to your application', true), E_USER_NOTICE);
|
|
}
|
|
|
|
if (Configure::read('Security.cipherSeed') === '76859309657453542496749683645') {
|
|
trigger_error(__('Please change the value of \'Security.cipherSeed\' in app/config/core.php to a numeric (digits only) seed value specific to your application', true), E_USER_NOTICE);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Invokes the given debugger object as the current error handler, taking over control from the
|
|
* previous handler in a stack-like hierarchy.
|
|
*
|
|
* @param object $debugger A reference to the Debugger object
|
|
* @access public
|
|
* @static
|
|
* @link http://book.cakephp.org/view/1191/Using-the-Debugger-Class
|
|
*/
|
|
function invoke(&$debugger) {
|
|
set_error_handler(array(&$debugger, 'handleError'));
|
|
}
|
|
}
|
|
|
|
if (!defined('DISABLE_DEFAULT_ERROR_HANDLING')) {
|
|
Debugger::invoke(Debugger::getInstance());
|
|
}
|