PHP Classes

File: web-app/lib/SMARTY/internals/core.load_plugins.php

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File: web-app/lib/SMARTY/internals/core.load_plugins.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: smart MVC
MVC framework using Smarty to render views
Author: By
Last change:
Date: 12 years ago
Size: 4,429 bytes
 

Contents

Class file image Download
<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Load requested plugins
 *
 * @param array $plugins
 */

// $plugins

function smarty_core_load_plugins($params, &$smarty)
{

    foreach (
$params['plugins'] as $_plugin_info) {
        list(
$_type, $_name, $_tpl_file, $_tpl_line, $_delayed_loading) = $_plugin_info;
       
$_plugin = &$smarty->_plugins[$_type][$_name];

       
/*
         * We do not load plugin more than once for each instance of Smarty.
         * The following code checks for that. The plugin can also be
         * registered dynamically at runtime, in which case template file
         * and line number will be unknown, so we fill them in.
         *
         * The final element of the info array is a flag that indicates
         * whether the dynamically registered plugin function has been
         * checked for existence yet or not.
         */
       
if (isset($_plugin)) {
            if (empty(
$_plugin[3])) {
                if (!
is_callable($_plugin[0])) {
                   
$smarty->_trigger_fatal_error("[plugin] $_type '$_name' is not implemented", $_tpl_file, $_tpl_line, __FILE__, __LINE__);
                } else {
                   
$_plugin[1] = $_tpl_file;
                   
$_plugin[2] = $_tpl_line;
                   
$_plugin[3] = true;
                    if (!isset(
$_plugin[4])) $_plugin[4] = true; /* cacheable */
               
}
            }
            continue;
        } else if (
$_type == 'insert') {
           
/*
             * For backwards compatibility, we check for insert functions in
             * the symbol table before trying to load them as a plugin.
             */
           
$_plugin_func = 'insert_' . $_name;
            if (
function_exists($_plugin_func)) {
               
$_plugin = array($_plugin_func, $_tpl_file, $_tpl_line, true, false);
                continue;
            }
        }

       
$_plugin_file = $smarty->_get_plugin_filepath($_type, $_name);

        if (!
$_found = ($_plugin_file != false)) {
           
$_message = "could not load plugin file '$_type.$_name.php'\n";
        }

       
/*
         * If plugin file is found, it -must- provide the properly named
         * plugin function. In case it doesn't, simply output the error and
         * do not fall back on any other method.
         */
       
if ($_found) {
            include_once
$_plugin_file;

           
$_plugin_func = 'smarty_' . $_type . '_' . $_name;
            if (!
function_exists($_plugin_func)) {
               
$smarty->_trigger_fatal_error("[plugin] function $_plugin_func() not found in $_plugin_file", $_tpl_file, $_tpl_line, __FILE__, __LINE__);
                continue;
            }
        }
       
/*
         * In case of insert plugins, their code may be loaded later via
         * 'script' attribute.
         */
       
else if ($_type == 'insert' && $_delayed_loading) {
           
$_plugin_func = 'smarty_' . $_type . '_' . $_name;
           
$_found = true;
        }

       
/*
         * Plugin specific processing and error checking.
         */
       
if (!$_found) {
            if (
$_type == 'modifier') {
               
/*
                 * In case modifier falls back on using PHP functions
                 * directly, we only allow those specified in the security
                 * context.
                 */
               
if ($smarty->security && !in_array($_name, $smarty->security_settings['MODIFIER_FUNCS'])) {
                   
$_message = "(secure mode) modifier '$_name' is not allowed";
                } else {
                    if (!
function_exists($_name)) {
                       
$_message = "modifier '$_name' is not implemented";
                    } else {
                       
$_plugin_func = $_name;
                       
$_found = true;
                    }
                }
            } else if (
$_type == 'function') {
               
/*
                 * This is a catch-all situation.
                 */
               
$_message = "unknown tag - '$_name'";
            }
        }

        if (
$_found) {
           
$smarty->_plugins[$_type][$_name] = array($_plugin_func, $_tpl_file, $_tpl_line, true, true);
        } else {
           
// output error
           
$smarty->_trigger_fatal_error('[plugin] ' . $_message, $_tpl_file, $_tpl_line, __FILE__, __LINE__);
        }
    }
}

/* vim: set expandtab: */

?>