<?php

/**

 * Smarty Internal Plugin Debug

 * Class to collect data for the Smarty Debugging Console

 *

 * @package    Smarty

 * @subpackage Debug

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Debug Class

 *

 * @package    Smarty

 * @subpackage Debug

 */

class Smarty_Internal_Debug extends Smarty_Internal_Data {

    /**

     * template data

     *

     * @var array

     */

    public static $template_data = array();

    /**

     * List of uid's which shall be ignored

     *

     * @var array

     */

    public static $ignore_uid = array();

    /**

     * Index of display() and fetch() calls

     *

     * @var int

     */

    public static $index = 0;

    /**

     * Counter for window offset

     *

     * @var int

     */

    public static $offset = 0;

    /**

     * Start logging template

     *

     * @param \Smarty_Internal_Template $template template

     * @param null $mode true: display   false: fetch  null: subtemolate

     */

    public static function start_template(Smarty_Internal_Template $template, $mode = null) {

        if (isset($mode)) {

            self::$index++;

            self::$offset++;

            self::$template_data[self::$index] = null;

        }

        $key = self::get_key($template);

        self::$template_data[self::$index][$key]['start_template_time'] = microtime(true);

    }

    /**

     * End logging of cache time

     *

     * @param \Smarty_Internal_Template $template cached template

     */

    public static function end_template(Smarty_Internal_Template $template) {

        $key = self::get_key($template);

        self::$template_data[self::$index][$key]['total_time'] += microtime(true) - self::$template_data[self::$index][$key]['start_template_time'];

        self::$template_data[self::$index][$key]['properties'] = $template->properties;

    }

    /**

     * Start logging of compile time

     *

     * @param \Smarty_Internal_Template $template

     */

    public static function start_compile(Smarty_Internal_Template $template) {

        static $_is_stringy = array('string' => true, 'eval' => true);

        if (!empty($template->compiler->trace_uid)) {

            $key = $template->compiler->trace_uid;

            if (!isset(self::$template_data[self::$index][$key])) {

                if (isset($_is_stringy[$template->source->type])) {

                    self::$template_data[self::$index][$key]['name'] = '\'' . substr($template->source->name, 0, 25) . '...\'';

                } else {

                    self::$template_data[self::$index][$key]['name'] = $template->source->filepath;

                }

                self::$template_data[self::$index][$key]['compile_time'] = 0;

                self::$template_data[self::$index][$key]['render_time'] = 0;

                self::$template_data[self::$index][$key]['cache_time'] = 0;

            }

        } else {

            if (isset(self::$ignore_uid[$template->source->uid])) {

                return;

            }

            $key = self::get_key($template);

        }

        self::$template_data[self::$index][$key]['start_time'] = microtime(true);

    }

    /**

     * End logging of compile time

     *

     * @param \Smarty_Internal_Template $template

     */

    public static function end_compile(Smarty_Internal_Template $template) {

        if (!empty($template->compiler->trace_uid)) {

            $key = $template->compiler->trace_uid;

        } else {

            if (isset(self::$ignore_uid[$template->source->uid])) {

                return;

            }

            $key = self::get_key($template);

        }

        self::$template_data[self::$index][$key]['compile_time'] += microtime(true) - self::$template_data[self::$index][$key]['start_time'];

    }

    /**

     * Start logging of render time

     *

     * @param \Smarty_Internal_Template $template

     */

    public static function start_render(Smarty_Internal_Template $template) {

        $key = self::get_key($template);

        self::$template_data[self::$index][$key]['start_time'] = microtime(true);

    }

    /**

     * End logging of compile time

     *

     * @param \Smarty_Internal_Template $template

     */

    public static function end_render(Smarty_Internal_Template $template) {

        $key = self::get_key($template);

        self::$template_data[self::$index][$key]['render_time'] += microtime(true) - self::$template_data[self::$index][$key]['start_time'];

    }

    /**

     * Start logging of cache time

     *

     * @param \Smarty_Internal_Template $template cached template

     */

    public static function start_cache(Smarty_Internal_Template $template) {

        $key = self::get_key($template);

        self::$template_data[self::$index][$key]['start_time'] = microtime(true);

    }

    /**

     * End logging of cache time

     *

     * @param \Smarty_Internal_Template $template cached template

     */

    public static function end_cache(Smarty_Internal_Template $template) {

        $key = self::get_key($template);

        self::$template_data[self::$index][$key]['cache_time'] += microtime(true) - self::$template_data[self::$index][$key]['start_time'];

    }

    /**

     * Register template object

     *

     * @param \Smarty_Internal_Template $template cached template

     */

    public static function register_template(Smarty_Internal_Template $template) {

    }

    /**

     * Register data object

     *

     * @param \Smarty_Data $data data object

     */

    public static function register_data(Smarty_Data $data) {

    }

    /**

     * Opens a window for the Smarty Debugging Console and display the data

     *

     * @param Smarty_Internal_Template|Smarty $obj object to debug

     * @param bool $full

     */

    public static function display_debug($obj, $full = false) {

        if (!$full) {

            self::$offset++;

            $savedIndex = self::$index;

            self::$index = 9999;

        }

        if ($obj instanceof Smarty) {

            $smarty = $obj;

        } else {

            $smarty = $obj->smarty;

        }

        // create fresh instance of smarty for displaying the debug console

        // to avoid problems if the application did overload the Smarty class

        $debObj = new Smarty();

        // copy the working dirs from application

        $debObj->setCompileDir($smarty->getCompileDir());

        // init properties by hand as user may have edited the original Smarty class

        $debObj->setPluginsDir(is_dir(__DIR__ . '/../plugins') ? __DIR__ . '/../plugins' : $smarty->getPluginsDir());

        $debObj->force_compile = false;

        $debObj->compile_check = true;

        $debObj->left_delimiter = '{';

        $debObj->right_delimiter = '}';

        $debObj->security_policy = null;

        $debObj->debugging = false;

        $debObj->debugging_ctrl = 'NONE';

        $debObj->error_reporting = E_ALL & ~E_NOTICE;

        $debObj->debug_tpl = isset($smarty->debug_tpl) ? $smarty->debug_tpl : 'file:' . __DIR__ . '/../debug.tpl';

        $debObj->registered_plugins = array();

        $debObj->registered_resources = array();

        $debObj->registered_filters = array();

        $debObj->autoload_filters = array();

        $debObj->default_modifiers = array();

        $debObj->escape_html = true;

        $debObj->caching = false;

        $debObj->compile_id = null;

        $debObj->cache_id = null;

        // prepare information of assigned variables

        $ptr = self::get_debug_vars($obj);

        $_assigned_vars = $ptr->tpl_vars;

        ksort($_assigned_vars);

        $_config_vars = $ptr->config_vars;

        ksort($_config_vars);

        $debugging = $smarty->debugging;

        $_template = new Smarty_Internal_Template($debObj->debug_tpl, $debObj);

        if ($obj instanceof Smarty_Internal_Template) {

            $_template->assign('template_name', $obj->source->type . ':' . $obj->source->name);

        }

        if ($obj instanceof Smarty || $full) {

            $_template->assign('template_data', self::$template_data[self::$index]);

        } else {

            $_template->assign('template_data', null);

        }

        $_template->assign('assigned_vars', $_assigned_vars);

        $_template->assign('config_vars', $_config_vars);

        $_template->assign('execution_time', microtime(true) - $smarty->start_time);

        $_template->assign('display_mode', $debugging == 2 || !$full);

        $_template->assign('offset', self::$offset * 50);

        echo $_template->fetch();

        if (isset($full)) {

            self::$index--;

        }

        if (!$full) {

            self::$index = $savedIndex;

        }

    }

    /**

     * Recursively gets variables from all template/data scopes

     *

     * @param  Smarty_Internal_Template|Smarty_Data $obj object to debug

     *

     * @return StdClass

     */

    public static function get_debug_vars($obj) {

        $config_vars = array();

        foreach ($obj->config_vars as $key => $var) {

            $config_vars[$key]['value'] = $var;

            if ($obj instanceof Smarty_Internal_Template) {

                $config_vars[$key]['scope'] = $obj->source->type . ':' . $obj->source->name;

            } elseif ($obj instanceof Smarty_Data) {

                $tpl_vars[$key]['scope'] = $obj->dataObjectName;

            } else {

                $config_vars[$key]['scope'] = 'Smarty object';

            }

        }

        $tpl_vars = array();

        foreach ($obj->tpl_vars as $key => $var) {

            foreach ($var as $varkey => $varvalue) {

                if ($varkey == 'value') {

                    $tpl_vars[$key][$varkey] = $varvalue;

                } else {

                    if ($varkey == 'nocache') {

                        if ($varvalue == true) {

                            $tpl_vars[$key][$varkey] = $varvalue;

                        }

                    } else {

                        if ($varkey != 'scope' || $varvalue !== 0) {

                            $tpl_vars[$key]['attributes'][$varkey] = $varvalue;

                        }

                    }

                }

            }

            if ($obj instanceof Smarty_Internal_Template) {

                $tpl_vars[$key]['scope'] = $obj->source->type . ':' . $obj->source->name;

            } elseif ($obj instanceof Smarty_Data) {

                $tpl_vars[$key]['scope'] = $obj->dataObjectName;

            } else {

                $tpl_vars[$key]['scope'] = 'Smarty object';

            }

        }

        if (isset($obj->parent)) {

            $parent = self::get_debug_vars($obj->parent);

            foreach ($parent->tpl_vars as $name => $pvar) {

                if (isset($tpl_vars[$name]) && $tpl_vars[$name]['value'] === $pvar['value']) {

                    $tpl_vars[$name]['scope'] = $pvar['scope'];

                }

            }

            $tpl_vars = array_merge($parent->tpl_vars, $tpl_vars);

            foreach ($parent->config_vars as $name => $pvar) {

                if (isset($config_vars[$name]) && $config_vars[$name]['value'] === $pvar['value']) {

                    $config_vars[$name]['scope'] = $pvar['scope'];

                }

            }

            $config_vars = array_merge($parent->config_vars, $config_vars);

        } else {

            foreach (Smarty::$global_tpl_vars as $key => $var) {

                if (!array_key_exists($key, $tpl_vars)) {

                    foreach ($var as $varkey => $varvalue) {

                        if ($varkey == 'value') {

                            $tpl_vars[$key][$varkey] = $varvalue;

                        } else {

                            if ($varkey == 'nocache') {

                                if ($varvalue == true) {

                                    $tpl_vars[$key][$varkey] = $varvalue;

                                }

                            } else {

                                if ($varkey != 'scope' || $varvalue !== 0) {

                                    $tpl_vars[$key]['attributes'][$varkey] = $varvalue;

                                }

                            }

                        }

                    }

                    $tpl_vars[$key]['scope'] = 'Global';

                }

            }

        }

        return (object)array('tpl_vars' => $tpl_vars, 'config_vars' => $config_vars);

    }

    /**

     * Return key into $template_data for template

     *

     * @param \Smarty_Internal_Template $template template object

     *

     * @return string key into $template_data

     */

    private static function get_key(Smarty_Internal_Template $template) {

        static $_is_stringy = array('string' => true, 'eval' => true);

        // calculate Uid if not already done

        if ($template->source->uid == '') {

            $template->source->filepath;

        }

        $key = $template->source->uid;

        if (isset(self::$template_data[self::$index][$key])) {

            return $key;

        } else {

            if (isset($_is_stringy[$template->source->type])) {

                self::$template_data[self::$index][$key]['name'] = '\'' . substr($template->source->name, 0, 25) . '...\'';

            } else {

                self::$template_data[self::$index][$key]['name'] = $template->source->filepath;

            }

            self::$template_data[self::$index][$key]['compile_time'] = 0;

            self::$template_data[self::$index][$key]['render_time'] = 0;

            self::$template_data[self::$index][$key]['cache_time'] = 0;

            self::$template_data[self::$index][$key]['total_time'] = 0;

            return $key;

        }

    }

    /**

     * Ignore template

     *

     * @param \Smarty_Internal_Template $template

     */

    public static function ignore(Smarty_Internal_Template $template) {

        // calculate Uid if not already done

        if ($template->source->uid == '') {

            $template->source->filepath;

        }

        self::$ignore_uid[$template->source->uid] = true;

    }

    /**

     * handle 'URL' debugging mode

     *

     * @param Smarty_Internal_Template $_template

     */

    public static function debugUrl(Smarty_Internal_Template $_template) {

        if (isset($_SERVER['QUERY_STRING'])) {

            $_query_string = $_SERVER['QUERY_STRING'];

        } else {

            $_query_string = '';

        }

        if (false !== strpos($_query_string, $_template->smarty->smarty_debug_id)) {

            if (false !== strpos($_query_string, $_template->smarty->smarty_debug_id . '=on')) {

                // enable debugging for this browser session

                setcookie('SMARTY_DEBUG', true);

                $_template->smarty->debugging = true;

            } elseif (false !== strpos($_query_string, $_template->smarty->smarty_debug_id . '=off')) {

                // disable debugging for this browser session

                setcookie('SMARTY_DEBUG', false);

                $_template->smarty->debugging = false;

            } else {

                // enable debugging for this page

                $_template->smarty->debugging = true;

            }

        } else {

            if (isset($_COOKIE['SMARTY_DEBUG'])) {

                $_template->smarty->debugging = true;

            }

        }

    }

}