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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Typography Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/typography_helper.html
*/
// ------------------------------------------------------------------------
/**
* Convert newlines to HTML line breaks except within PRE tags
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('nl2br_except_pre'))
{
function nl2br_except_pre($str)
{
$CI =& get_instance();
$CI->load->library('typography');
return $CI->typography->nl2br_except_pre($str);
}
}
// ------------------------------------------------------------------------
/**
* Auto Typography Wrapper Function
*
*
* @access public
* @param string
* @param bool whether to allow javascript event handlers
* @param bool whether to reduce multiple instances of double newlines to two
* @return string
*/
if ( ! function_exists('auto_typography'))
{
function auto_typography($str, $strip_js_event_handlers = TRUE, $reduce_linebreaks = FALSE)
{
$CI =& get_instance();
$CI->load->library('typography');
return $CI->typography->auto_typography($str, $strip_js_event_handlers, $reduce_linebreaks);
}
}
// --------------------------------------------------------------------
/**
* HTML Entities Decode
*
* This function is a replacement for html_entity_decode()
*
* In some versions of PHP the native function does not work
* when UTF-8 is the specified character set, so this gives us
* a work-around. More info here:
* http://bugs.php.net/bug.php?id=25670
*
* NOTE: html_entity_decode() has a bug in some PHP versions when UTF-8 is the
* character set, and the PHP developers said they were not back porting the
* fix to versions other than PHP 5.x.
*
* @access public
* @param string
* @return string
*/
if ( ! function_exists('entity_decode'))
{
function entity_decode($str, $charset='UTF-8')
{
if (stristr($str, '&') === FALSE) return $str;
// The reason we are not using html_entity_decode() by itself is because
// while it is not technically correct to leave out the semicolon
// at the end of an entity most browsers will still interpret the entity
// correctly. html_entity_decode() does not convert entities without
// semicolons, so we are left with our own little solution here. Bummer.
if (function_exists('html_entity_decode') && (strtolower($charset) != 'utf-8' OR version_compare(phpversion(), '5.0.0', '>=')))
{
$str = html_entity_decode($str, ENT_COMPAT, $charset);
$str = preg_replace('~&#x(0*[0-9a-f]{2,5})~ei', 'chr(hexdec("\\1"))', $str);
return preg_replace('~&#([0-9]{2,4})~e', 'chr(\\1)', $str);
}
// Numeric Entities
$str = preg_replace('~&#x(0*[0-9a-f]{2,5});{0,1}~ei', 'chr(hexdec("\\1"))', $str);
$str = preg_replace('~&#([0-9]{2,4});{0,1}~e', 'chr(\\1)', $str);
// Literal Entities - Slightly slow so we do another check
if (stristr($str, '&') === FALSE)
{
$str = strtr($str, array_flip(get_html_translation_table(HTML_ENTITIES)));
}
return $str;
}
}
/* End of file typography_helper.php */
/* Location: ./system/helpers/typography_helper.php */
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