<?php

/**

 * Smarty Internal Plugin Compile Block Plugin

 * Compiles code for the execution of block plugin

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Compile Block Plugin Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Private_Block_Plugin extends Smarty_Internal_CompileBase {

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $optional_attributes = array('_any');

    /**

     * Compiles code for the execution of block plugin

     *

     * @param  array $args array with attributes from parser

     * @param  object $compiler compiler object

     * @param  array $parameter array with compilation parameter

     * @param  string $tag name of block plugin

     * @param  string $function PHP function name

     *

     * @return string compiled code

     */

    public function compile($args, $compiler, $parameter, $tag, $function) {

        if (!isset($tag[5]) || substr($tag, -5) != 'close') {

            // opening tag of block plugin

            // check and get attributes

            $_attr = $this->getAttributes($compiler, $args);

            if ($_attr['nocache'] === true) {

                $compiler->tag_nocache = true;

            }

            unset($_attr['nocache']);

            // convert attributes into parameter array string

            $_paramsArray = array();

            foreach ($_attr as $_key => $_value) {

                if (is_int($_key)) {

                    $_paramsArray[] = "$_key=>$_value";

                } else {

                    $_paramsArray[] = "'$_key'=>$_value";

                }

            }

            $_params = 'array(' . implode(",", $_paramsArray) . ')';

            $this->openTag($compiler, $tag, array($_params, $compiler->nocache));

            // maybe nocache because of nocache variables or nocache plugin

            $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;

            // compile code

            $output = "<?php \$_smarty_tpl->smarty->_tag_stack[] = array('{$tag}', {$_params}); \$_block_repeat=true; echo {$function}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";

        } else {

            // must endblock be nocache?

            if ($compiler->nocache) {

                $compiler->tag_nocache = true;

            }

            // closing tag of block plugin, restore nocache

            list($_params, $compiler->nocache) = $this->closeTag($compiler, substr($tag, 0, -5));

            // This tag does create output

            $compiler->has_output = true;

            // compile code

            if (!isset($parameter['modifier_list'])) {

                $mod_pre = $mod_post = '';

            } else {

                $mod_pre = ' ob_start(); ';

                $mod_post = 'echo ' . $compiler->compileTag('private_modifier', array(), array('modifierlist' => $parameter['modifier_list'], 'value' => 'ob_get_clean()')) . ';';

            }

            $output = "<?php \$_block_content = ob_get_clean(); \$_block_repeat=false;" . $mod_pre . " echo {$function}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat); " . $mod_post . " } array_pop(\$_smarty_tpl->smarty->_tag_stack);?>";

        }

        return $output . "\n";

    }

}