<?php

/**

 * Smarty Internal Plugin Templateparser Parse Tree

 * These are classes to build parse tree in the template parser

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Thue Kristensen

 * @author     Uwe Tews

 */

/**

 * A complete smarty tag.

 *

 * @package    Smarty

 * @subpackage Compiler

 * @ignore

 */

class Smarty_Internal_ParseTree_Tag extends Smarty_Internal_ParseTree {

    /**

     * Saved block nesting level

     *

     * @var int

     */

    public $saved_block_nesting;

    /**

     * Create parse tree buffer for Smarty tag

     *

     * @param object $parser parser object

     * @param string $data content

     */

    public function __construct($parser, $data) {

        $this->parser = $parser;

        $this->data = $data;

        $this->saved_block_nesting = $parser->block_nesting_level;

    }

    /**

     * Return buffer content

     *

     * @return string content

     */

    public function to_smarty_php() {

        return $this->data;

    }

    /**

     * Return complied code that loads the evaluated output of buffer content into a temporary variable

     *

     * @return string template code

     */

    public function assign_to_var() {

        $var = sprintf('$_tmp%d', ++Smarty_Internal_Templateparser::$prefix_number);

        $tmp = $this->parser->compiler->appendCode('<?php ob_start();?>', $this->data);

        $tmp = $this->parser->compiler->appendCode($tmp, "<?php {$var}=ob_get_clean();?>");

        $this->parser->compiler->prefix_code[] = sprintf("%s", $tmp);

        return $var;

    }

}