SmartyExt.class.php | searchcode

/demo/scalr_newui/app/src/Lib/UI/Smarty/SmartyExt.class.php

https://github.com/kennethjiang/Wolke
PHP | 292 lines | 221 code | 38 blank | 33 comment | 55 complexity | ee8f76f7e03ceb5f14c8c3f97781bbb2 MD5 | raw file

<?php

class SmartyExt extends Smarty
{
    
    /**#@-*/
    /**
     * The class constructor.
     */
    function __construct()
    {
		parent::Smarty();
		
		if (file_exists(SMARTY_DIR . $this->compiler_file)) 
        {
            require_once(SMARTY_DIR . $this->compiler_file);
        } 
        else 
        {
            // use include_path
            require_once($this->compiler_file);
        }
        
        $this->compiler_file = "Smarty_CompilerExt.class.php";
        $this->compiler_class = "Smarty_CompilerExt";
    }
        
    /**
     * executes & returns or displays the template results
     *
     * @param string $resource_name
     * @param string $cache_id
     * @param string $compile_id
     * @param boolean $display
     */
    function fetch($resource_name, $cache_id = null, $compile_id = null, $display = false)
    {
        static $_cache_info = array();
        
        $_smarty_old_error_level = $this->debugging ? error_reporting() : error_reporting(isset($this->error_reporting)
               ? $this->error_reporting : error_reporting() & ~E_NOTICE);

        if (!$this->debugging && $this->debugging_ctrl == 'URL') {
            $_query_string = $this->request_use_auto_globals ? $_SERVER['QUERY_STRING'] : $GLOBALS['HTTP_SERVER_VARS']['QUERY_STRING'];
            if (@strstr($_query_string, $this->_smarty_debug_id)) {
                if (@strstr($_query_string, $this->_smarty_debug_id . '=on')) {
                    // enable debugging for this browser session
                    @setcookie('SMARTY_DEBUG', true);
                    $this->debugging = true;
                } elseif (@strstr($_query_string, $this->_smarty_debug_id . '=off')) {
                    // disable debugging for this browser session
                    @setcookie('SMARTY_DEBUG', false);
                    $this->debugging = false;
                } else {
                    // enable debugging for this page
                    $this->debugging = true;
                }
            } else {
                $this->debugging = (bool)($this->request_use_auto_globals ? @$_COOKIE['SMARTY_DEBUG'] : @$GLOBALS['HTTP_COOKIE_VARS']['SMARTY_DEBUG']);
            }
        }

        if ($this->debugging) {
            // capture time for debugging info
            $_params = array();
            require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
            $_debug_start_time = smarty_core_get_microtime($_params, $this);
            $this->_smarty_debug_info[] = array('type'      => 'template',
                                                'filename'  => $resource_name,
                                                'depth'     => 0);
            $_included_tpls_idx = count($this->_smarty_debug_info) - 1;
        }

        if (!isset($compile_id)) {
            $compile_id = $this->compile_id;
        }

        $this->_compile_id = $compile_id;
        $this->_inclusion_depth = 0;

        if ($this->caching) {
            // save old cache_info, initialize cache_info
            array_push($_cache_info, $this->_cache_info);
            $this->_cache_info = array();
            $_params = array(
                'tpl_file' => $resource_name,
                'cache_id' => $cache_id,
                'compile_id' => $compile_id,
                'results' => null
            );
            require_once(SMARTY_CORE_DIR . 'core.read_cache_file.php');
            if (smarty_core_read_cache_file($_params, $this)) {
                $_smarty_results = $_params['results'];
                if (!empty($this->_cache_info['insert_tags'])) {
                    $_params = array('plugins' => $this->_cache_info['insert_tags']);
                    require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');
                    smarty_core_load_plugins($_params, $this);
                    $_params = array('results' => $_smarty_results);
                    require_once(SMARTY_CORE_DIR . 'core.process_cached_inserts.php');
                    $_smarty_results = smarty_core_process_cached_inserts($_params, $this);
                }
                if (!empty($this->_cache_info['cache_serials'])) {
                    $_params = array('results' => $_smarty_results);
                    require_once(SMARTY_CORE_DIR . 'core.process_compiled_include.php');
                    $_smarty_results = smarty_core_process_compiled_include($_params, $this);
                }


                if ($display) {
                    if ($this->debugging)
                    {
                        // capture time for debugging info
                        $_params = array();
                        require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
                        $this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = smarty_core_get_microtime($_params, $this) - $_debug_start_time;
                        require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php');
                        $_smarty_results .= smarty_core_display_debug_console($_params, $this);
                    }
                    if ($this->cache_modified_check) {
                        $_server_vars = ($this->request_use_auto_globals) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS'];
                        $_last_modified_date = @substr($_server_vars['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_server_vars['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
                        $_gmt_mtime = gmdate('D, d M Y H:i:s', $this->_cache_info['timestamp']).' GMT';
                        if (@count($this->_cache_info['insert_tags']) == 0
                            && !$this->_cache_serials
                            && $_gmt_mtime == $_last_modified_date) {
                            if (php_sapi_name()=='cgi')
                                header('Status: 304 Not Modified');
                            else
                                header('HTTP/1.1 304 Not Modified');

                        } else {
                            header('Last-Modified: '.$_gmt_mtime);
                            echo $_smarty_results;
                        }
                    } else {
                            echo $_smarty_results;
                    }
                    error_reporting($_smarty_old_error_level);
                    // restore initial cache_info
                    $this->_cache_info = array_pop($_cache_info);
                    return true;
                } else {
                    error_reporting($_smarty_old_error_level);
                    // restore initial cache_info
                    $this->_cache_info = array_pop($_cache_info);
                    return $_smarty_results;
                }
            } else {
                $this->_cache_info['template'][$resource_name] = true;
                if ($this->cache_modified_check && $display) {
                    header('Last-Modified: '.gmdate('D, d M Y H:i:s', time()).' GMT');
                }
            }
        }

        // load filters that are marked as autoload
        if (count($this->autoload_filters)) {
            foreach ($this->autoload_filters as $_filter_type => $_filters) {
                foreach ($_filters as $_filter) {
                    $this->load_filter($_filter_type, $_filter);
                }
            }
        }

            
        $_smarty_compile_path = $this->_get_compile_path($resource_name);

        // if we just need to display the results, don't perform output
        // buffering - for speed
        $_cache_including = $this->_cache_including;
        $this->_cache_including = false;
        if ($display && !$this->caching && count($this->_plugins['outputfilter']) == 0) {
            if ($this->_is_compiled($resource_name, $_smarty_compile_path)
                    || $this->_compile_resource($resource_name, $_smarty_compile_path))
            {
           		$this->_eval_compiled_resource($_smarty_compile_path);
            }
        } else {
            ob_start();
            if ($this->_is_compiled($resource_name, $_smarty_compile_path)
                    || $this->_compile_resource($resource_name, $_smarty_compile_path))
            {
                $this->_eval_compiled_resource($_smarty_compile_path);
            }
            $_smarty_results = ob_get_contents();
            ob_end_clean();

            foreach ((array)$this->_plugins['outputfilter'] as $_output_filter) {
                $_smarty_results = call_user_func_array($_output_filter[0], array($_smarty_results, &$this));
            }
        }

        if ($this->caching) {
            $_params = array('tpl_file' => $resource_name,
                        'cache_id' => $cache_id,
                        'compile_id' => $compile_id,
                        'results' => $_smarty_results);
            require_once(SMARTY_CORE_DIR . 'core.write_cache_file.php');
            smarty_core_write_cache_file($_params, $this);
            require_once(SMARTY_CORE_DIR . 'core.process_cached_inserts.php');
            $_smarty_results = smarty_core_process_cached_inserts($_params, $this);

            if ($this->_cache_serials) {
                // strip nocache-tags from output
                $_smarty_results = preg_replace('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!s'
                                                ,''
                                                ,$_smarty_results);
            }
            // restore initial cache_info
            $this->_cache_info = array_pop($_cache_info);
        }
        $this->_cache_including = $_cache_including;

        if ($display) {
            if (isset($_smarty_results)) { echo $_smarty_results; }
            if ($this->debugging) {
                // capture time for debugging info
                $_params = array();
                require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
                $this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = (smarty_core_get_microtime($_params, $this) - $_debug_start_time);
                require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php');
                echo smarty_core_display_debug_console($_params, $this);
            }
            error_reporting($_smarty_old_error_level);
            return;
        } else {
            error_reporting($_smarty_old_error_level);
            if (isset($_smarty_results)) { return $_smarty_results; }
        }
    }

    function _eval_compiled_resource($compile_path)
    {
    	$contents = file_get_contents($compile_path); 
    	
    	if (class_exists("Validator"))
    		if (Validator::ScanForDebugCode($contents))
    			throw new Exception("Invoked code contains disallowed function calls or classes. Please consult EPP-DRS onlne docs for a full list of disallowed names.", E_ERROR);
    	
		eval($contents);
    }
    
    function _smarty_include($params)
    {    	
    	if ($this->debugging) {
            $_params = array();
            require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
            $debug_start_time = smarty_core_get_microtime($_params, $this);
            $this->_smarty_debug_info[] = array('type'      => 'template',
                                                  'filename'  => $params['smarty_include_tpl_file'],
                                                  'depth'     => ++$this->_inclusion_depth);
            $included_tpls_idx = count($this->_smarty_debug_info) - 1;
        }

        $this->_tpl_vars = array_merge($this->_tpl_vars, $params['smarty_include_vars']);

        // config vars are treated as local, so push a copy of the
        // current ones onto the front of the stack
        array_unshift($this->_config, $this->_config[0]);
        
        $_smarty_compile_path = $this->_get_compile_path($params['smarty_include_tpl_file']);

        if ($this->_is_compiled($params['smarty_include_tpl_file'], $_smarty_compile_path)
            || $this->_compile_resource($params['smarty_include_tpl_file'], $_smarty_compile_path))
        {
            $this->_eval_compiled_resource($_smarty_compile_path);
        }

        // pop the local vars off the front of the stack
        array_shift($this->_config);

        $this->_inclusion_depth--;

        if ($this->debugging) {
            // capture time for debugging info
            $_params = array();
            require_once(SMARTY_CORE_DIR . 'core.get_microtime.php');
            $this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = smarty_core_get_microtime($_params, $this) - $debug_start_time;
        }

        if ($this->caching) {
            $this->_cache_info['template'][$params['smarty_include_tpl_file']] = true;
        }
    }
    
    /**#@-*/

}

/* vim: set expandtab: */

?>