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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
* Licensed under the Open Software License version 3.0
*
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
* http://opensource.org/licenses/OSL-3.0
* If you did not receive a copy of the license and are unable to obtain it
* through the world wide web, please send an email to
* licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
/**
* Parser Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Parser
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/libraries/parser.html
*/
class CI_Parser {
/**
* Left delimeter character for psuedo vars
*
* @var string
*/
public $l_delim = '{';
/**
* Right delimeter character for psuedo vars
*
* @var string
*/
public $r_delim = '}';
/**
* Reference to CodeIgniter instance
*
* @var object
*/
protected $CI;
/**
* Parse a template
*
* Parses pseudo-variables contained in the specified template view,
* replacing them with the data in the second param
*
* @param string
* @param array
* @param bool
* @return string
*/
public function parse($template, $data, $return = FALSE)
{
$this->CI =& get_instance();
$template = $this->CI->load->view($template, $data, TRUE);
return $this->_parse($template, $data, $return);
}
// --------------------------------------------------------------------
/**
* Parse a String
*
* Parses pseudo-variables contained in the specified string,
* replacing them with the data in the second param
*
* @param string
* @param array
* @param bool
* @return string
*/
public function parse_string($template, $data, $return = FALSE)
{
return $this->_parse($template, $data, $return);
}
// --------------------------------------------------------------------
/**
* Parse a template
*
* Parses pseudo-variables contained in the specified template,
* replacing them with the data in the second param
*
* @param string
* @param array
* @param bool
* @return string
*/
protected function _parse($template, $data, $return = FALSE)
{
if ($template === '')
{
return FALSE;
}
foreach ($data as $key => $val)
{
$template = is_array($val)
? $this->_parse_pair($key, $val, $template)
: $template = $this->_parse_single($key, (string) $val, $template);
}
if ($return === FALSE)
{
$this->CI->output->append_output($template);
}
return $template;
}
// --------------------------------------------------------------------
/**
* Set the left/right variable delimiters
*
* @param string
* @param string
* @return void
*/
public function set_delimiters($l = '{', $r = '}')
{
$this->l_delim = $l;
$this->r_delim = $r;
}
// --------------------------------------------------------------------
/**
* Parse a single key/value
*
* @param string
* @param string
* @param string
* @return string
*/
protected function _parse_single($key, $val, $string)
{
return str_replace($this->l_delim.$key.$this->r_delim, (string) $val, $string);
}
// --------------------------------------------------------------------
/**
* Parse a tag pair
*
* Parses tag pairs: {some_tag} string... {/some_tag}
*
* @param string
* @param array
* @param string
* @return string
*/
protected function _parse_pair($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)
{
$temp = is_array($val)
? $this->_parse_pair($key, $val, $temp)
: $this->_parse_single($key, $val, $temp);
}
$str .= $temp;
}
return str_replace($match[0], $str, $string);
}
// --------------------------------------------------------------------
/**
* Matches a variable pair
*
* @param string
* @param string
* @return mixed
*/
protected function _match_pair($string, $variable)
{
return preg_match('|'.preg_quote($this->l_delim).$variable.preg_quote($this->r_delim).'(.+?)'.preg_quote($this->l_delim).'/'.$variable.preg_quote($this->r_delim).'|s',
$string, $match)
? $match : FALSE;
}
}
/* End of file Parser.php */
/* Location: ./system/libraries/Parser.php */
|
