<?php

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Extract non-cacheable parts out of compiled template and write it
 *
 * @param string $compile_path
 * @param string $template_compiled
 * @return boolean
 */
function smarty_core_write_compiled_include($params, &$smarty) {
    $_tag_start = 'if \(\$this->caching && \!\$this->_cache_including\)\: echo \'\{nocache\:(' . $params['cache_serial'] . ')#(\d+)\}\'; endif;';
    $_tag_end = 'if \(\$this->caching && \!\$this->_cache_including\)\: echo \'\{/nocache\:(\\2)#(\\3)\}\'; endif;';

    preg_match_all('!(' . $_tag_start . '(.*)' . $_tag_end . ')!Us', $params['compiled_content'], $_match_source, PREG_SET_ORDER);

    // no nocache-parts found: done
    if (count($_match_source) == 0)
        return;

    // convert the matched php-code to functions
    $_include_compiled = "<?php /* Smarty version " . $smarty->_version . ", created on " . strftime("%Y-%m-%d %H:%M:%S") . "\n";
    $_include_compiled .= "         compiled from " . strtr(urlencode($params['resource_name']), array('%2F' => '/', '%3A' => ':')) . " */\n\n";

    $_compile_path = $params['include_file_path'];

    $smarty->_cache_serials[$_compile_path] = $params['cache_serial'];
    $_include_compiled .= "\$this->_cache_serials['" . $_compile_path . "'] = '" . $params['cache_serial'] . "';\n\n?>";

    $_include_compiled .= $params['plugins_code'];
    $_include_compiled .= "<?php";

    $this_varname = ((double) phpversion() >= 5.0) ? '_smarty' : 'this';
    for ($_i = 0, $_for_max = count($_match_source); $_i < $_for_max; $_i++) {
        $_match = & $_match_source[$_i];
        $source = $_match[4];
        if ($this_varname == '_smarty') {
            /* rename $this to $_smarty in the sourcecode */
            $tokens = token_get_all('<?php ' . $_match[4]);

            /* remove trailing <?php */
            $open_tag = '';
            while ($tokens) {
                $token = array_shift($tokens);
                if (is_array($token)) {
                    $open_tag .= $token[1];
                } else {
                    $open_tag .= $token;
                }
                if ($open_tag == '<?php ')
                    break;
            }

            for ($i = 0, $count = count($tokens); $i < $count; $i++) {
                if (is_array($tokens[$i])) {
                    if ($tokens[$i][0] == T_VARIABLE && $tokens[$i][1] == '$this') {
                        $tokens[$i] = '$' . $this_varname;
                    } else {
                        $tokens[$i] = $tokens[$i][1];
                    }
                }
            }
            $source = implode('', $tokens);
        }

        /* add function to compiled include */
        $_include_compiled .= "
function _smarty_tplfunc_$_match[2]_$_match[3](&\$$this_varname)
{
$source
}

";
    }
    $_include_compiled .= "\n\n?>\n";

    $_params = array('filename' => $_compile_path,
        'contents' => $_include_compiled, 'create_dirs' => true);

    require_once(SMARTY_CORE_DIR . 'core.write_file.php');
    smarty_core_write_file($_params, $smarty);
    return true;
}

?>