210 lines
5 KiB
PHP
210 lines
5 KiB
PHP
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<?php
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/**
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* Class and Function List:
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* Function list:
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* - __construct()
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* - view()
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* - _ci_load()
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* Classes list:
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* - MY_Loader extends CI_Loader
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*/
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if (!defined('BASEPATH')) exit('No direct script access allowed');
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class MY_Loader extends CI_Loader
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{
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function __construct()
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{
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parent::__construct();
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log_message('debug', 'MY_Loader Class Initialized');
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}
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function view($view, $vars = array() , $return = FALSE)
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{
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//theme name
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$theme = config_item('theme');
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//view path
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$view_path = 'themes/' . $theme . '/views/' . $view . '.php';
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//fallback to default view if view in theme not found
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if (!file_exists($view_path))
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{
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$view_path = 'themes/default/views/' . $view . '.php';
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}
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//return
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return $this->_ci_load(array(
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'_ci_view' => $view_path,
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'_ci_vars' => $this->_ci_object_to_array($vars) ,
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'_ci_return' => $return
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));
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}
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// --------------------------------------------------------------------
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/**
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* Internal CI Data Loader
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*
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* Used to load views and files.
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*
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* Variables are prefixed with _ci_ to avoid symbol collision with
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* variables made available to view files.
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*
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* @used-by CI_Loader::view()
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* @used-by CI_Loader::file()
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* @param array $_ci_data Data to load
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* @return object
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*/
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protected
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function _ci_load($_ci_data)
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{
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// Set the default data variables
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foreach (array(
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'_ci_view',
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'_ci_vars',
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'_ci_path',
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'_ci_return'
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) as $_ci_val)
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{
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$$_ci_val = isset($_ci_data[$_ci_val]) ? $_ci_data[$_ci_val] : FALSE;
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}
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$file_exists = FALSE;
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// Set the path to the requested file
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if (is_string($_ci_path) && $_ci_path !== '')
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{
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$_ci_x = explode('/', $_ci_path);
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$_ci_file = end($_ci_x);
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}
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else
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{
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$_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);
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$_ci_file = ($_ci_ext === '') ? $_ci_view . '.php' : $_ci_view;
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foreach ($this->_ci_view_paths as $_ci_view_file => $cascade)
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{
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/* *** modification for stikked themes ***
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*
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* we are by default in the htdocs/application/views folder, which is bad.
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* for security reasons, themes folder should be outside the application dir.
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* but file_exists() doesn't work with ../../ in filenames :-(
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* so, applying the full FrontControllerPATH here, making ../../ superfluous.
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*
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*/
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if (file_exists(FCPATH . $_ci_file))
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{
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$_ci_path = FCPATH . $_ci_file;
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$file_exists = TRUE;
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break;
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}
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if (!$cascade)
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{
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break;
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}
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}
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}
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if (!$file_exists && !file_exists($_ci_path))
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{
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show_error('Unable to load the requested file: ' . $_ci_file);
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}
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// This allows anything loaded using $this->load (views, files, etc.)
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// to become accessible from within the Controller and Model functions.
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$_ci_CI = & get_instance();
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foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)
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{
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if (!isset($this->$_ci_key))
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{
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$this->$_ci_key = & $_ci_CI->$_ci_key;
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}
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}
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/*
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* Extract and cache variables
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*
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* You can either set variables using the dedicated $this->load->vars()
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* function or via the second parameter of this function. We'll merge
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* the two types and cache them so that views that are embedded within
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* other views can have access to these variables.
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*/
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if (is_array($_ci_vars))
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{
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$this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars);
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}
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extract($this->_ci_cached_vars);
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/*
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* Buffer the output
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*
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* We buffer the output for two reasons:
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* 1. Speed. You get a significant speed boost.
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* 2. So that the final rendered template can be post-processed by
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* the output class. Why do we need post processing? For one thing,
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* in order to show the elapsed page load time. Unless we can
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* intercept the content right before it's sent to the browser and
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* then stop the timer it won't be accurate.
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*/
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ob_start();
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// If the PHP installation does not support short tags we'll
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// do a little string replacement, changing the short tags
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// to standard PHP echo statements.
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if (!is_php('5.4') && !ini_get('short_open_tag') && config_item('rewrite_short_tags') === TRUE)
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{
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echo eval('?>' . preg_replace('/;*\s*\?>/', '; ?>', str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
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}
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else
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{
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include ($_ci_path); // include() vs include_once() allows for multiple views with the same name
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}
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log_message('info', 'File loaded: ' . $_ci_path);
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// Return the file data if requested
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if ($_ci_return === TRUE)
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{
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$buffer = ob_get_contents();
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@ob_end_clean();
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return $buffer;
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}
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/*
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* Flush the buffer... or buff the flusher?
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*
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* In order to permit views to be nested within
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* other views, we need to flush the content back out whenever
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* we are beyond the first level of output buffering so that
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* it can be seen and included properly by the first included
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* template and any subsequent ones. Oy!
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*/
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if (ob_get_level() > $this->_ci_ob_level + 1)
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{
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ob_end_flush();
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}
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else
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{
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$_ci_CI->output->append_output(ob_get_contents());
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@ob_end_clean();
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}
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return $this;
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}
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}
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