Viewing file:  Parser.php (4.32 KB) -rw-r--r--
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Parser Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Parser
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/libraries/parser.html
*/
class CI_Parser {
var $l_delim = '{';
var $r_delim = '}';
var $object;
/**
* Parse a template
*
* Parses pseudo-variables contained in the specified template view,
* replacing them with the data in the second param
*
* @access public
* @param string
* @param array
* @param bool
* @return string
*/
public function parse($template, $data, $return = FALSE)
{
$CI =& get_instance();
$template = $CI->load->view($template, $data, TRUE);
return $this->_parse($template, $data, $return);
}
// --------------------------------------------------------------------
/**
* Parse a String
*
* Parses pseudo-variables contained in the specified string,
* replacing them with the data in the second param
*
* @access public
* @param string
* @param array
* @param bool
* @return string
*/
function parse_string($template, $data, $return = FALSE)
{
return $this->_parse($template, $data, $return);
}
// --------------------------------------------------------------------
/**
* Parse a template
*
* Parses pseudo-variables contained in the specified template,
* replacing them with the data in the second param
*
* @access public
* @param string
* @param array
* @param bool
* @return string
*/
function _parse($template, $data, $return = FALSE)
{
if ($template == '')
{
return FALSE;
}
foreach ($data as $key => $val)
{
if (is_array($val))
{
$template = $this->_parse_pair($key, $val, $template);
}
else
{
$template = $this->_parse_single($key, (string)$val, $template);
}
}
if ($return == FALSE)
{
$CI =& get_instance();
$CI->output->append_output($template);
}
return $template;
}
// --------------------------------------------------------------------
/**
* Set the left/right variable delimiters
*
* @access public
* @param string
* @param string
* @return void
*/
function set_delimiters($l = '{', $r = '}')
{
$this->l_delim = $l;
$this->r_delim = $r;
}
// --------------------------------------------------------------------
/**
* Parse a single key/value
*
* @access private
* @param string
* @param string
* @param string
* @return string
*/
function _parse_single($key, $val, $string)
{
return str_replace($this->l_delim.$key.$this->r_delim, $val, $string);
}
// --------------------------------------------------------------------
/**
* Parse a tag pair
*
* Parses tag pairs: {some_tag} string... {/some_tag}
*
* @access private
* @param string
* @param array
* @param string
* @return string
*/
function _parse_pair($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, $string);
}
// --------------------------------------------------------------------
/**
* Matches a variable pair
*
* @access private
* @param string
* @param string
* @return mixed
*/
function _match_pair($string, $variable)
{
if ( ! preg_match("|" . preg_quote($this->l_delim) . $variable . preg_quote($this->r_delim) . "(.+?)". preg_quote($this->l_delim) . '/' . $variable . preg_quote($this->r_delim) . "|s", $string, $match))
{
return FALSE;
}
return $match;
}
}
// END Parser Class
/* End of file Parser.php */
/* Location: ./system/libraries/Parser.php */
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