Category:Module | Category:Module -> Parser
This parser module is designed for use with the Modular Extensions - HMVC system.
It allows the use of function calls from inside parsed templates.
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Parser Module for Modular Extensions - HMVC
*
* Adapted from CodeIgniter Parser Class
* @copyright Copyright (c) 2006, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
*
* Allows the use of functions in parsed templates ie: {@site_url("home/{page}"}
*
* Version 0.7 (c) Wiredesignz 2008-06-13
**/
class Parser extends Controller
{
function Parser()
{
parent::Controller();
}
function parse($view, $data = array())
{
if ($template = $this->load->view($view, $data, TRUE))
{
$template = $this->_parse($template, $data);
while(preg_match('/\{\@(\w*)\("??(.*)"??\)\}/siU', $template, $match))
{
$template = str_replace($match[0], $match[1]($match[2]), $template);
}
return $template;
}
}
function _parse($template, $data)
{
foreach ($data as $key => $val)
{
if (is_array($val))
{
$template = $this->_parse_pair($key, $val, $template);
}
else
{
$template = $this->_parse_single($key, (string)$val, $template);
}
}
return $template;
}
function _parse_single($key, $val, $string)
{
return str_replace('{'.$key.'}', $val, $string);
}
function _parse_pair($variable, $data, $string)
{
if (FALSE === ($match = $this->_match_pair($string, $variable)))
{
return $string;
}
$str = '';
foreach ($data as $row)
{
$temp = $match['1'];
foreach ($row as $key => $val)
{
if ( ! is_array($val))
{
$temp = $this->_parse_single($key, $val, $temp);
}
else
{
$temp = $this->_parse_pair($key, $val, $temp);
}
}
$str .= $temp;
}
return str_replace($match['0'], $str, $string);
}
function _match_pair($string, $variable)
{
if (!preg_match('/{'.$variable.'}(.*){\/'.$variable.'}/s', $string, $match))
{
return FALSE;
}
return $match;
}
}