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<?php

/**

 * Project:     Smarty: the PHP compiling template engine

 * File:        SmartyBC.class.php

 * SVN:         $Id: $

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 * For questions, help, comments, discussion, etc., please join the

 * Smarty mailing list. Send a blank e-mail to

 * smarty-discussion-subscribe@googlegroups.com

 *

 * @link      http://www.smarty.net/

 * @copyright 2008 New Digital Group, Inc.

 * @author    Monte Ohrt <monte at ohrt dot com>

 * @author    Uwe Tews

 * @author    Rodney Rehm

 * @package   Smarty

 */

/**

 * @ignore

 */

require_once dirname(__FILE__) . '/Smarty.class.php';

/**

 * Smarty Backward Compatibility Wrapper Class

 *

 * @package Smarty

 */

class SmartyBC extends Smarty

{

    /**

     * Smarty 2 BC

     *

     * @var string

     */

    public $_version = self::SMARTY_VERSION;

    /**

     * This is an array of directories where trusted php scripts reside.

     *

     * @var array

     */

    public $trusted_dir = array();

    /**

     * Initialize new SmartyBC object

     */

    public function __construct()

    {

        parent::__construct();

    }

    /**

     * wrapper for assign_by_ref

     *

     * @param string $tpl_var the template variable name

     * @param mixed  &$value  the referenced value to assign

     */

    public function assign_by_ref($tpl_var, &$value)

    {

        $this->assignByRef($tpl_var, $value);

    }

    /**

     * wrapper for append_by_ref

     *

     * @param string  $tpl_var the template variable name

     * @param mixed   &$value  the referenced value to append

     * @param boolean $merge   flag if array elements shall be merged

     */

    public function append_by_ref($tpl_var, &$value, $merge = false)

    {

        $this->appendByRef($tpl_var, $value, $merge);

    }

    /**

     * clear the given assigned template variable.

     *

     * @param string $tpl_var the template variable to clear

     */

    public function clear_assign($tpl_var)

    {

        $this->clearAssign($tpl_var);

    }

    /**

     * Registers custom function to be used in templates

     *

     * @param string $function      the name of the template function

     * @param string $function_impl the name of the PHP function to register

     * @param bool   $cacheable

     * @param mixed  $cache_attrs

     *

     * @throws \SmartyException

     */

    public function register_function($function, $function_impl, $cacheable = true, $cache_attrs = null)

    {

        $this->registerPlugin('function', $function, $function_impl, $cacheable, $cache_attrs);

    }

    /**

     * Unregister custom function

     *

     * @param string $function name of template function

     */

    public function unregister_function($function)

    {

        $this->unregisterPlugin('function', $function);

    }

    /**

     * 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 methods that are block format

     *

     * @throws   SmartyException

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

     */

    public function register_object(

        $object,

        $object_impl,

        $allowed = array(),

        $smarty_args = true,

        $block_methods = array()

    ) {

        settype($allowed, 'array');

        settype($smarty_args, 'boolean');

        $this->registerObject($object, $object_impl, $allowed, $smarty_args, $block_methods);

    }

    /**

     * Unregister object

     *

     * @param string $object name of template object

     */

    public function unregister_object($object)

    {

        $this->unregisterObject($object);

    }

    /**

     * Registers block function to be used in templates

     *

     * @param string $block      name of template block

     * @param string $block_impl PHP function to register

     * @param bool   $cacheable

     * @param mixed  $cache_attrs

     *

     * @throws \SmartyException

     */

    public function register_block($block, $block_impl, $cacheable = true, $cache_attrs = null)

    {

        $this->registerPlugin('block', $block, $block_impl, $cacheable, $cache_attrs);

    }

    /**

     * Unregister block function

     *

     * @param string $block name of template function

     */

    public function unregister_block($block)

    {

        $this->unregisterPlugin('block', $block);

    }

    /**

     * Registers compiler function

     *

     * @param string $function      name of template function

     * @param string $function_impl name of PHP function to register

     * @param bool   $cacheable

     *

     * @throws \SmartyException

     */

    public function register_compiler_function($function, $function_impl, $cacheable = true)

    {

        $this->registerPlugin('compiler', $function, $function_impl, $cacheable);

    }

    /**

     * Unregister compiler function

     *

     * @param string $function name of template function

     */

    public function unregister_compiler_function($function)

    {

        $this->unregisterPlugin('compiler', $function);

    }

    /**

     * Registers modifier to be used in templates

     *

     * @param string $modifier      name of template modifier

     * @param string $modifier_impl name of PHP function to register

     *

     * @throws \SmartyException

     */

    public function register_modifier($modifier, $modifier_impl)

    {

        $this->registerPlugin('modifier', $modifier, $modifier_impl);

    }

    /**

     * Unregister modifier

     *

     * @param string $modifier name of template modifier

     */

    public function unregister_modifier($modifier)

    {

        $this->unregisterPlugin('modifier', $modifier);

    }

    /**

     * Registers a resource to fetch a template

     *

     * @param string $type      name of resource

     * @param array  $functions array of functions to handle resource

     */

    public function register_resource($type, $functions)

    {

        $this->registerResource($type, $functions);

    }

    /**

     * Unregister a resource

     *

     * @param string $type name of resource

     */

    public function unregister_resource($type)

    {

        $this->unregisterResource($type);

    }

    /**

     * Registers a prefilter function to apply

     * to a template before compiling

     *

     * @param callable $function

     *

     * @throws \SmartyException

     */

    public function register_prefilter($function)

    {

        $this->registerFilter('pre', $function);

    }

    /**

     * Unregister a prefilter function

     *

     * @param callable $function

     */

    public function unregister_prefilter($function)

    {

        $this->unregisterFilter('pre', $function);

    }

    /**

     * Registers a postfilter function to apply

     * to a compiled template after compilation

     *

     * @param callable $function

     *

     * @throws \SmartyException

     */

    public function register_postfilter($function)

    {

        $this->registerFilter('post', $function);

    }

    /**

     * Unregister a postfilter function

     *

     * @param callable $function

     */

    public function unregister_postfilter($function)

    {

        $this->unregisterFilter('post', $function);

    }

    /**

     * Registers an output filter function to apply

     * to a template output

     *

     * @param callable $function

     *

     * @throws \SmartyException

     */

    public function register_outputfilter($function)

    {

        $this->registerFilter('output', $function);

    }

    /**

     * Unregister an outputfilter function

     *

     * @param callable $function

     */

    public function unregister_outputfilter($function)

    {

        $this->unregisterFilter('output', $function);

    }

    /**

     * load a filter of specified type and name

     *

     * @param string $type filter type

     * @param string $name filter name

     *

     * @throws \SmartyException

     */

    public function load_filter($type, $name)

    {

        $this->loadFilter($type, $name);

    }

    /**

     * clear cached content for the given template and cache id

     *

     * @param string $tpl_file   name of template file

     * @param string $cache_id   name of cache_id

     * @param string $compile_id name of compile_id

     * @param string $exp_time   expiration time

     *

     * @return boolean

     */

    public function clear_cache($tpl_file = null, $cache_id = null, $compile_id = null, $exp_time = null)

    {

        return $this->clearCache($tpl_file, $cache_id, $compile_id, $exp_time);

    }

    /**

     * clear the entire contents of cache (all templates)

     *

     * @param string $exp_time expire time

     *

     * @return boolean

     */

    public function clear_all_cache($exp_time = null)

    {

        return $this->clearCache(null, null, null, $exp_time);

    }

    /**

     * test to see if valid cache exists for this template

     *

     * @param string $tpl_file name of template file

     * @param string $cache_id

     * @param string $compile_id

     *

     * @return bool

     * @throws \Exception

     * @throws \SmartyException

     */

    public function is_cached($tpl_file, $cache_id = null, $compile_id = null)

    {

        return $this->isCached($tpl_file, $cache_id, $compile_id);

    }

    /**

     * clear all the assigned template variables.

     */

    public function clear_all_assign()

    {

        $this->clearAllAssign();

    }

    /**

     * clears compiled version of specified template resource,

     * or all compiled template files if one is not specified.

     * This function is for advanced use only, not normally needed.

     *

     * @param string $tpl_file

     * @param string $compile_id

     * @param string $exp_time

     *

     * @return boolean results of {@link smarty_core_rm_auto()}

     */

    public function clear_compiled_tpl($tpl_file = null, $compile_id = null, $exp_time = null)

    {

        return $this->clearCompiledTemplate($tpl_file, $compile_id, $exp_time);

    }

    /**

     * Checks whether requested template exists.

     *

     * @param string $tpl_file

     *

     * @return bool

     * @throws \SmartyException

     */

    public function template_exists($tpl_file)

    {

        return $this->templateExists($tpl_file);

    }

    /**

     * Returns an array containing template variables

     *

     * @param string $name

     *

     * @return array

     */

    public function get_template_vars($name = null)

    {

        return $this->getTemplateVars($name);

    }

    /**

     * Returns an array containing config variables

     *

     * @param string $name

     *

     * @return array

     */

    public function get_config_vars($name = null)

    {

        return $this->getConfigVars($name);

    }

    /**

     * load configuration values

     *

     * @param string $file

     * @param string $section

     * @param string $scope

     */

    public function config_load($file, $section = null, $scope = 'global')

    {

        $this->ConfigLoad($file, $section, $scope);

    }

    /**

     * return a reference to a registered object

     *

     * @param string $name

     *

     * @return object

     */

    public function get_registered_object($name)

    {

        return $this->getRegisteredObject($name);

    }

    /**

     * clear configuration values

     *

     * @param string $var

     */

    public function clear_config($var = null)

    {

        $this->clearConfig($var);

    }

    /**

     * trigger Smarty error

     *

     * @param string  $error_msg

     * @param integer $error_type

     */

    public function trigger_error($error_msg, $error_type = E_USER_WARNING)

    {

        trigger_error("Smarty error: $error_msg", $error_type);

    }

}