some important stuff we'll need

1 files changed, 811 insertions, 0 deletions

diff --git a/lib/smarty/libs/sysplugins/smarty_internal_templatebase.php b/lib/smarty/libs/sysplugins/smarty_internal_templatebase.php
new file mode 100644
index 000000000..d60ecd16e
--- /dev/null
+++ b/lib/smarty/libs/sysplugins/smarty_internal_templatebase.php
@@ -0,0 +1,811 @@
+<?php

+/**

+ * Smarty Internal Plugin Smarty Template  Base

+ *

+ * This file contains the basic shared methodes for template handling

+ *

+ * @package Smarty

+ * @subpackage Template

+ * @author Uwe Tews

+ */

+

+/**

+ * Class with shared template methodes

+ *

+ * @package Smarty

+ * @subpackage Template

+ */

+abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data {

+

+    /**

+     * fetches a rendered Smarty template

+     *

+     * @param string $template          the resource handle of the template file or template object

+     * @param mixed  $cache_id          cache id to be used with this template

+     * @param mixed  $compile_id        compile id to be used with this template

+     * @param object $parent            next higher level of Smarty variables

+     * @param bool   $display           true: display, false: fetch

+     * @param bool   $merge_tpl_vars    if true parent template variables merged in to local scope

+     * @param bool   $no_output_filter  if true do not run output filter

+     * @return string rendered template output

+     */

+    public function fetch($template = null, $cache_id = null, $compile_id = null, $parent = null, $display = false, $merge_tpl_vars = true, $no_output_filter = false)

+    {

+        if ($template === null && $this instanceof $this->template_class) {

+            $template = $this;

+        }

+        if (!empty($cache_id) && is_object($cache_id)) {

+            $parent = $cache_id;

+            $cache_id = null;

+        }

+        if ($parent === null && ($this instanceof Smarty || is_string($template))) {

+            $parent = $this;

+        }

+        // create template object if necessary

+        $_template = ($template instanceof $this->template_class)

+        ? $template

+        : $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);

+        // if called by Smarty object make sure we use current caching status

+        if ($this instanceof Smarty) {

+            $_template->caching = $this->caching;

+        }

+        // merge all variable scopes into template

+        if ($merge_tpl_vars) {

+            // save local variables

+            $save_tpl_vars = $_template->tpl_vars;

+            $save_config_vars = $_template->config_vars;

+            $ptr_array = array($_template);

+            $ptr = $_template;

+            while (isset($ptr->parent)) {

+                $ptr_array[] = $ptr = $ptr->parent;

+            }

+            $ptr_array = array_reverse($ptr_array);

+            $parent_ptr = reset($ptr_array);

+            $tpl_vars = $parent_ptr->tpl_vars;

+            $config_vars = $parent_ptr->config_vars;

+            while ($parent_ptr = next($ptr_array)) {

+                if (!empty($parent_ptr->tpl_vars)) {

+                    $tpl_vars = array_merge($tpl_vars, $parent_ptr->tpl_vars);

+                }

+                if (!empty($parent_ptr->config_vars)) {

+                    $config_vars = array_merge($config_vars, $parent_ptr->config_vars);

+                }

+            }

+            if (!empty(Smarty::$global_tpl_vars)) {

+                $tpl_vars = array_merge(Smarty::$global_tpl_vars, $tpl_vars);

+            }

+            $_template->tpl_vars = $tpl_vars;

+            $_template->config_vars = $config_vars;

+        }

+        // dummy local smarty variable

+        if (!isset($_template->tpl_vars['smarty'])) {

+            $_template->tpl_vars['smarty'] = new Smarty_Variable;

+        }

+        if (isset($this->smarty->error_reporting)) {

+            $_smarty_old_error_level = error_reporting($this->smarty->error_reporting);

+        }

+        // check URL debugging control

+        if (!$this->smarty->debugging && $this->smarty->debugging_ctrl == 'URL') {

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

+                $_query_string = $_SERVER['QUERY_STRING'];

+            } else {

+                $_query_string = '';

+            }

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

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

+                    // enable debugging for this browser session

+                    setcookie('SMARTY_DEBUG', true);

+                    $this->smarty->debugging = true;

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

+                    // disable debugging for this browser session

+                    setcookie('SMARTY_DEBUG', false);

+                    $this->smarty->debugging = false;

+                } else {

+                    // enable debugging for this page

+                    $this->smarty->debugging = true;

+                }

+            } else {

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

+                    $this->smarty->debugging = true;

+                }

+            }

+        }

+        // must reset merge template date

+        $_template->smarty->merged_templates_func = array();

+        // get rendered template

+        // disable caching for evaluated code

+        if ($_template->source->recompiled) {

+            $_template->caching = false;

+        }

+        // checks if template exists

+        if (!$_template->source->exists) {

+            if ($_template->parent instanceof Smarty_Internal_Template) {

+                $parent_resource = " in '{$_template->parent->template_resource}'";

+            } else {

+                $parent_resource = '';

+            }

+            throw new SmartyException("Unable to load template {$_template->source->type} '{$_template->source->name}'{$parent_resource}");

+        }

+        // read from cache or render

+        if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || !$_template->cached->valid) {

+            // render template (not loaded and not in cache)

+            if (!$_template->source->uncompiled) {

+                $_smarty_tpl = $_template;

+                if ($_template->source->recompiled) {

+                    if ($this->smarty->debugging) {

+                        Smarty_Internal_Debug::start_compile($_template);

+                    }

+                    $code = $_template->compiler->compileTemplate($_template);

+                    if ($this->smarty->debugging) {

+                        Smarty_Internal_Debug::end_compile($_template);

+                    }

+                    if ($this->smarty->debugging) {

+                        Smarty_Internal_Debug::start_render($_template);

+                    }

+                    try {

+                        ob_start();

+                        eval("?>" . $code);

+                        unset($code);

+                    } catch (Exception $e) {

+                        ob_get_clean();

+                        throw $e;

+                    }

+                } else {

+                    if (!$_template->compiled->exists || ($_template->smarty->force_compile && !$_template->compiled->isCompiled)) {

+                        $_template->compileTemplateSource();

+                    }

+                    if ($this->smarty->debugging) {

+                        Smarty_Internal_Debug::start_render($_template);

+                    }

+                    if (!$_template->compiled->loaded) {

+                        include($_template->compiled->filepath);

+                        if ($_template->mustCompile) {

+                            // recompile and load again

+                            $_template->compileTemplateSource();

+                            include($_template->compiled->filepath);

+                        }

+                        $_template->compiled->loaded = true;

+                    } else {

+                        $_template->decodeProperties($_template->compiled->_properties, false);

+                    }

+                    try {

+                        ob_start();

+                        if (empty($_template->properties['unifunc']) || !is_callable($_template->properties['unifunc'])) {

+                            throw new SmartyException("Invalid compiled template for '{$_template->template_resource}'");

+                        }

+                        array_unshift($_template->_capture_stack,array());

+                        //

+                        // render compiled template

+                        //

+                        $_template->properties['unifunc']($_template);

+                        // any unclosed {capture} tags ?

+                        if (isset($_template->_capture_stack[0][0])) {

+                            $_template->capture_error();

+                        }

+                        array_shift($_template->_capture_stack);

+                    } catch (Exception $e) {

+                        ob_get_clean();

+                        throw $e;

+                    }

+                }

+            } else {

+                if ($_template->source->uncompiled) {

+                    if ($this->smarty->debugging) {

+                        Smarty_Internal_Debug::start_render($_template);

+                    }

+                    try {

+                        ob_start();

+                        $_template->source->renderUncompiled($_template);

+                    } catch (Exception $e) {

+                        ob_get_clean();

+                        throw $e;

+                    }

+                } else {

+                    throw new SmartyException("Resource '$_template->source->type' must have 'renderUncompiled' method");

+                }

+            }

+            $_output = ob_get_clean();

+            if (!$_template->source->recompiled && empty($_template->properties['file_dependency'][$_template->source->uid])) {

+                $_template->properties['file_dependency'][$_template->source->uid] = array($_template->source->filepath, $_template->source->timestamp, $_template->source->type);

+            }

+            if ($_template->parent instanceof Smarty_Internal_Template) {

+                $_template->parent->properties['file_dependency'] = array_merge($_template->parent->properties['file_dependency'], $_template->properties['file_dependency']);

+                foreach ($_template->required_plugins as $code => $tmp1) {

+                    foreach ($tmp1 as $name => $tmp) {

+                        foreach ($tmp as $type => $data) {

+                            $_template->parent->required_plugins[$code][$name][$type] = $data;

+                        }

+                    }

+                }

+            }

+            if ($this->smarty->debugging) {

+                Smarty_Internal_Debug::end_render($_template);

+            }

+            // write to cache when nessecary

+            if (!$_template->source->recompiled && ($_template->caching == Smarty::CACHING_LIFETIME_SAVED || $_template->caching == Smarty::CACHING_LIFETIME_CURRENT)) {

+                if ($this->smarty->debugging) {

+                    Smarty_Internal_Debug::start_cache($_template);

+                }

+                $_template->properties['has_nocache_code'] = false;

+                // get text between non-cached items

+                $cache_split = preg_split("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $_output);

+                // get non-cached items

+                preg_match_all("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $_output, $cache_parts);

+                $output = '';

+                // loop over items, stitch back together

+                foreach ($cache_split as $curr_idx => $curr_split) {

+                    // escape PHP tags in template content

+                    $output .= preg_replace('/(<%|%>|<\?php|<\?|\?>)/', '<?php echo \'$1\'; ?>', $curr_split);

+                    if (isset($cache_parts[0][$curr_idx])) {

+                        $_template->properties['has_nocache_code'] = true;

+                        // remove nocache tags from cache output

+                        $output .= preg_replace("!/\*/?%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!", '', $cache_parts[0][$curr_idx]);

+                    }

+                }

+                if (!$no_output_filter && !$_template->has_nocache_code && (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))) {

+                    $output = Smarty_Internal_Filter_Handler::runFilter('output', $output, $_template);

+                }

+                // rendering (must be done before writing cache file because of {function} nocache handling)

+                $_smarty_tpl = $_template;

+                try {

+                    ob_start();

+                    eval("?>" . $output);

+                    $_output = ob_get_clean();

+                } catch (Exception $e) {

+                    ob_get_clean();

+                    throw $e;

+                }

+                // write cache file content

+                $_template->writeCachedContent($output);

+                if ($this->smarty->debugging) {

+                    Smarty_Internal_Debug::end_cache($_template);

+                }

+            } else {

+                // var_dump('renderTemplate', $_template->has_nocache_code, $_template->template_resource, $_template->properties['nocache_hash'], $_template->parent->properties['nocache_hash'], $_output);

+                if (!empty($_template->properties['nocache_hash']) && !empty($_template->parent->properties['nocache_hash'])) {

+                    // replace nocache_hash

+                    $_output = str_replace("{$_template->properties['nocache_hash']}", $_template->parent->properties['nocache_hash'], $_output);

+                    $_template->parent->has_nocache_code = $_template->parent->has_nocache_code || $_template->has_nocache_code;

+                }

+            }

+        } else {

+            if ($this->smarty->debugging) {

+                Smarty_Internal_Debug::start_cache($_template);

+            }

+            try {

+                ob_start();

+                array_unshift($_template->_capture_stack,array());

+                //

+                // render cached template

+                //

+                $_template->properties['unifunc']($_template);

+                // any unclosed {capture} tags ?

+                if (isset($_template->_capture_stack[0][0])) {

+                    $_template->capture_error();

+                }

+                array_shift($_template->_capture_stack);

+                $_output = ob_get_clean();

+            } catch (Exception $e) {

+                ob_get_clean();

+                throw $e;

+            }

+            if ($this->smarty->debugging) {

+                Smarty_Internal_Debug::end_cache($_template);

+            }

+        }

+        if ((!$this->caching || $_template->has_nocache_code || $_template->source->recompiled) && !$no_output_filter && (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))) {

+            $_output = Smarty_Internal_Filter_Handler::runFilter('output', $_output, $_template);

+        }

+        if (isset($this->error_reporting)) {

+            error_reporting($_smarty_old_error_level);

+        }

+        // display or fetch

+        if ($display) {

+            if ($this->caching && $this->cache_modified_check) {

+                $_isCached = $_template->isCached() && !$_template->has_nocache_code;

+                $_last_modified_date = @substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);

+                if ($_isCached && $_template->cached->timestamp <= strtotime($_last_modified_date)) {

+                    switch (PHP_SAPI) {

+                        case 'cgi':         // php-cgi < 5.3

+                        case 'cgi-fcgi':    // php-cgi >= 5.3

+                        case 'fpm-fcgi':    // php-fpm >= 5.3.3

+                        header('Status: 304 Not Modified');

+                        break;

+

+                        case 'cli':

+                        if (/* ^phpunit */!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS'])/* phpunit$ */) {

+                            $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = '304 Not Modified';

+                        }

+                        break;

+

+                        default:

+                        header('HTTP/1.1 304 Not Modified');

+                        break;

+                    }

+                } else {

+                    switch (PHP_SAPI) {

+                        case 'cli':

+                        if (/* ^phpunit */!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS'])/* phpunit$ */) {

+                            $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = 'Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->cached->timestamp) . ' GMT';

+                        }

+                        break;

+

+                        default:

+                        header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->cached->timestamp) . ' GMT');

+                        break;

+                    }

+                    echo $_output;

+                }

+            } else {

+                echo $_output;

+            }

+            // debug output

+            if ($this->smarty->debugging) {

+                Smarty_Internal_Debug::display_debug($this);

+            }

+            if ($merge_tpl_vars) {

+                // restore local variables

+                $_template->tpl_vars = $save_tpl_vars;

+                $_template->config_vars =  $save_config_vars;

+            }

+            return;

+        } else {

+            if ($merge_tpl_vars) {

+                // restore local variables

+                $_template->tpl_vars = $save_tpl_vars;

+                $_template->config_vars =  $save_config_vars;

+            }

+            // return fetched content

+            return $_output;

+        }

+    }

+

+    /**

+     * displays a Smarty template

+     *

+     * @param string $template   the resource handle of the template file or template object

+     * @param mixed  $cache_id   cache id to be used with this template

+     * @param mixed  $compile_id compile id to be used with this template

+     * @param object $parent     next higher level of Smarty variables

+     */

+    public function display($template = null, $cache_id = null, $compile_id = null, $parent = null)

+    {

+        // display template

+        $this->fetch($template, $cache_id, $compile_id, $parent, true);

+    }

+

+    /**

+     * test if cache is valid

+     *

+     * @param string|object $template   the resource handle of the template file or template object

+     * @param mixed         $cache_id   cache id to be used with this template

+     * @param mixed         $compile_id compile id to be used with this template

+     * @param object        $parent     next higher level of Smarty variables

+     * @return boolean cache status

+     */

+    public function isCached($template = null, $cache_id = null, $compile_id = null, $parent = null)

+    {

+        if ($template === null && $this instanceof $this->template_class) {

+            return $this->cached->valid;

+        }

+        if (!($template instanceof $this->template_class)) {

+            if ($parent === null) {

+                $parent = $this;

+            }

+            $template = $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);

+        }

+        // return cache status of template

+        return $template->cached->valid;

+    }

+

+    /**

+     * creates a data object

+     *

+     * @param object $parent next higher level of Smarty variables

+     * @returns Smarty_Data data object

+     */

+    public function createData($parent = null)

+    {

+        return new Smarty_Data($parent, $this);

+    }

+

+    /**

+     * Registers plugin to be used in templates

+     *

+     * @param string   $type       plugin type

+     * @param string   $tag        name of template tag

+     * @param callback $callback   PHP callback to register

+     * @param boolean  $cacheable  if true (default) this fuction is cachable

+     * @param array    $cache_attr caching attributes if any

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     * @throws SmartyException when the plugin tag is invalid

+     */

+    public function registerPlugin($type, $tag, $callback, $cacheable = true, $cache_attr = null)

+    {

+        if (isset($this->smarty->registered_plugins[$type][$tag])) {

+            throw new SmartyException("Plugin tag \"{$tag}\" already registered");

+        } elseif (!is_callable($callback)) {

+            throw new SmartyException("Plugin \"{$tag}\" not callable");

+        } else {

+            $this->smarty->registered_plugins[$type][$tag] = array($callback, (bool) $cacheable, (array) $cache_attr);

+        }

+

+        return $this;

+    }

+

+    /**

+     * Unregister Plugin

+     *

+     * @param string $type of plugin

+     * @param string $tag name of plugin

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function unregisterPlugin($type, $tag)

+    {

+        if (isset($this->smarty->registered_plugins[$type][$tag])) {

+            unset($this->smarty->registered_plugins[$type][$tag]);

+        }

+

+        return $this;

+    }

+

+    /**

+     * Registers a resource to fetch a template

+     *

+     * @param string $type name of resource type

+     * @param Smarty_Resource|array $callback or instance of Smarty_Resource, or array of callbacks to handle resource (deprecated)

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function registerResource($type, $callback)

+    {

+        $this->smarty->registered_resources[$type] = $callback instanceof Smarty_Resource ? $callback : array($callback, false);

+        return $this;

+    }

+

+    /**

+     * Unregisters a resource

+     *

+     * @param string $type name of resource type

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function unregisterResource($type)

+    {

+        if (isset($this->smarty->registered_resources[$type])) {

+            unset($this->smarty->registered_resources[$type]);

+        }

+

+        return $this;

+    }

+

+    /**

+     * Registers a cache resource to cache a template's output

+     *

+     * @param string               $type     name of cache resource type

+     * @param Smarty_CacheResource $callback instance of Smarty_CacheResource to handle output caching

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function registerCacheResource($type, Smarty_CacheResource $callback)

+    {

+        $this->smarty->registered_cache_resources[$type] = $callback;

+        return $this;

+    }

+

+    /**

+     * Unregisters a cache resource

+     *

+     * @param string $type name of cache resource type

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function unregisterCacheResource($type)

+    {

+        if (isset($this->smarty->registered_cache_resources[$type])) {

+            unset($this->smarty->registered_cache_resources[$type]);

+        }

+

+        return $this;

+    }

+

+    /**

+     * Registers object to be used in templates

+     *

+     * @param string  $object        name of template object

+     * @param object  $object_impl   the referenced PHP object to register

+     * @param array   $allowed       list of allowed methods (empty = all)

+     * @param boolean $smarty_args   smarty argument format, else traditional

+     * @param array   $block_methods list of block-methods

+     * @param array $block_functs list of methods that are block format

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     * @throws SmartyException if any of the methods in $allowed or $block_methods are invalid

+     */

+    public function registerObject($object_name, $object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())

+    {

+        // test if allowed methodes callable

+        if (!empty($allowed)) {

+            foreach ((array) $allowed as $method) {

+                if (!is_callable(array($object_impl, $method))) {

+                    throw new SmartyException("Undefined method '$method' in registered object");

+                }

+            }

+        }

+        // test if block methodes callable

+        if (!empty($block_methods)) {

+            foreach ((array) $block_methods as $method) {

+                if (!is_callable(array($object_impl, $method))) {

+                    throw new SmartyException("Undefined method '$method' in registered object");

+                }

+            }

+        }

+        // register the object

+        $this->smarty->registered_objects[$object_name] =

+        array($object_impl, (array) $allowed, (boolean) $smarty_args, (array) $block_methods);

+        return $this;

+    }

+

+    /**

+     * return a reference to a registered object

+     *

+     * @param string $name object name

+     * @return object

+     * @throws SmartyException if no such object is found

+     */

+    public function getRegisteredObject($name)

+    {

+        if (!isset($this->smarty->registered_objects[$name])) {

+            throw new SmartyException("'$name' is not a registered object");

+        }

+        if (!is_object($this->smarty->registered_objects[$name][0])) {

+            throw new SmartyException("registered '$name' is not an object");

+        }

+        return $this->smarty->registered_objects[$name][0];

+    }

+

+    /**

+     * unregister an object

+     *

+     * @param string $name object name

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function unregisterObject($name)

+    {

+        if (isset($this->smarty->registered_objects[$name])) {

+            unset($this->smarty->registered_objects[$name]);

+        }

+

+        return $this;

+    }

+

+    /**

+     * Registers static classes to be used in templates

+     *

+     * @param string $class name of template class

+     * @param string $class_impl the referenced PHP class to register

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     * @throws SmartyException if $class_impl does not refer to an existing class

+     */

+    public function registerClass($class_name, $class_impl)

+    {

+        // test if exists

+        if (!class_exists($class_impl)) {

+            throw new SmartyException("Undefined class '$class_impl' in register template class");

+        }

+        // register the class

+        $this->smarty->registered_classes[$class_name] = $class_impl;

+        return $this;

+    }

+

+    /**

+     * Registers a default plugin handler

+     *

+     * @param callable $callback class/method name

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     * @throws SmartyException if $callback is not callable

+     */

+    public function registerDefaultPluginHandler($callback)

+    {

+        if (is_callable($callback)) {

+            $this->smarty->default_plugin_handler_func = $callback;

+        } else {

+            throw new SmartyException("Default plugin handler '$callback' not callable");

+        }

+

+        return $this;

+    }

+

+    /**

+     * Registers a default template handler

+     *

+     * @param callable $callback class/method name

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     * @throws SmartyException if $callback is not callable

+     */

+    public function registerDefaultTemplateHandler($callback)

+    {

+        if (is_callable($callback)) {

+            $this->smarty->default_template_handler_func = $callback;

+        } else {

+            throw new SmartyException("Default template handler '$callback' not callable");

+        }

+

+        return $this;

+    }

+

+    /**

+     * Registers a default template handler

+     *

+     * @param callable $callback class/method name

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     * @throws SmartyException if $callback is not callable

+     */

+    public function registerDefaultConfigHandler($callback)

+    {

+        if (is_callable($callback)) {

+            $this->smarty->default_config_handler_func = $callback;

+        } else {

+            throw new SmartyException("Default config handler '$callback' not callable");

+        }

+

+        return $this;

+    }

+

+    /**

+     * Registers a filter function

+     *

+     * @param string $type filter type

+     * @param callback $callback

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function registerFilter($type, $callback)

+    {

+        $this->smarty->registered_filters[$type][$this->_get_filter_name($callback)] = $callback;

+        return $this;

+    }

+

+    /**

+     * Unregisters a filter function

+     *

+     * @param string $type filter type

+     * @param callback $callback

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function unregisterFilter($type, $callback)

+    {

+        $name = $this->_get_filter_name($callback);

+        if (isset($this->smarty->registered_filters[$type][$name])) {

+            unset($this->smarty->registered_filters[$type][$name]);

+        }

+

+        return $this;

+    }

+

+    /**

+     * Return internal filter name

+     *

+     * @param callback $function_name

+     * @return string internal filter name

+     */

+    public function _get_filter_name($function_name)

+    {

+        if (is_array($function_name)) {

+            $_class_name = (is_object($function_name[0]) ?

+            get_class($function_name[0]) : $function_name[0]);

+            return $_class_name . '_' . $function_name[1];

+        } else {

+            return $function_name;

+        }

+    }

+

+    /**

+     * load a filter of specified type and name

+     *

+     * @param string $type filter type

+     * @param string $name filter name

+     * @throws SmartyException if filter could not be loaded

+     */

+    public function loadFilter($type, $name)

+    {

+        $_plugin = "smarty_{$type}filter_{$name}";

+        $_filter_name = $_plugin;

+        if ($this->smarty->loadPlugin($_plugin)) {

+            if (class_exists($_plugin, false)) {

+                $_plugin = array($_plugin, 'execute');

+            }

+            if (is_callable($_plugin)) {

+                $this->smarty->registered_filters[$type][$_filter_name] = $_plugin;

+                return true;

+            }

+        }

+        throw new SmartyException("{$type}filter \"{$name}\" not callable");

+    }

+

+    /**

+     * unload a filter of specified type and name

+     *

+     * @param string $type filter type

+     * @param string $name filter name

+     * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining

+     */

+    public function unloadFilter($type, $name)

+    {

+        $_filter_name = "smarty_{$type}filter_{$name}";

+        if (isset($this->smarty->registered_filters[$type][$_filter_name])) {

+            unset ($this->smarty->registered_filters[$type][$_filter_name]);

+        }

+

+        return $this;

+    }

+

+    /**

+     * preg_replace callback to convert camelcase getter/setter to underscore property names

+     *

+     * @param string $match match string

+     * @return string replacemant

+     */

+    private function replaceCamelcase($match) {

+        return "_" . strtolower($match[1]);

+    }

+

+    /**

+     * Handle unknown class methods

+     *

+     * @param string $name unknown method-name

+     * @param array  $args argument array

+     */

+    public function __call($name, $args)

+    {

+        static $_prefixes = array('set' => true, 'get' => true);

+        static $_resolved_property_name = array();

+        static $_resolved_property_source = array();

+

+        // method of Smarty object?

+        if (method_exists($this->smarty, $name)) {

+            return call_user_func_array(array($this->smarty, $name), $args);

+        }

+        // see if this is a set/get for a property

+        $first3 = strtolower(substr($name, 0, 3));

+        if (isset($_prefixes[$first3]) && isset($name[3]) && $name[3] !== '_') {

+            if (isset($_resolved_property_name[$name])) {

+                $property_name = $_resolved_property_name[$name];

+            } else {

+                // try to keep case correct for future PHP 6.0 case-sensitive class methods

+                // lcfirst() not available < PHP 5.3.0, so improvise

+                $property_name = strtolower(substr($name, 3, 1)) . substr($name, 4);

+                // convert camel case to underscored name

+                $property_name = preg_replace_callback('/([A-Z])/', array($this,'replaceCamelcase'), $property_name);

+                $_resolved_property_name[$name] = $property_name;

+            }

+            if (isset($_resolved_property_source[$property_name])) {

+                $_is_this = $_resolved_property_source[$property_name];

+            } else {

+                $_is_this = null;

+                if (property_exists($this, $property_name)) {

+                    $_is_this = true;

+                } else if (property_exists($this->smarty, $property_name)) {

+                    $_is_this = false;

+                }

+                $_resolved_property_source[$property_name] = $_is_this;

+            }

+            if ($_is_this) {

+                if ($first3 == 'get')

+                return $this->$property_name;

+                else

+                return $this->$property_name = $args[0];

+            } else if ($_is_this === false) {

+                if ($first3 == 'get')

+                return $this->smarty->$property_name;

+                else

+                return $this->smarty->$property_name = $args[0];

+            } else {

+                throw new SmartyException("property '$property_name' does not exist.");

+                return false;

+            }

+        }

+        if ($name == 'Smarty') {

+            throw new SmartyException("PHP5 requires you to call __construct() instead of Smarty()");

+        }

+        // must be unknown

+        throw new SmartyException("Call of unknown method '$name'.");

+    }

+

+}

+

+?>
\ No newline at end of file