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<?php
/**
* This file implements the Image Smilies Renderer plugin for b2evolution
*
* b2evolution - {@link http://b2evolution.net/}
* Released under GNU GPL License - {@link http://b2evolution.net/about/license.html}
* @copyright (c)2003-2005 by Francois PLANQUE - {@link http://fplanque.net/}
*
* @package plugins
*/
if( !defined('DB_USER') ) die( 'Please, do not access this page directly.' );
/**
* Includes:
*/
require_once dirname(__FILE__).'/../renderer.class.php';
/**
* @package plugins
*/
class smilies_Rendererplugin extends RendererPlugin
{
var $code = 'b2evSmil';
var $name = 'Smilies';
var $priority = 80;
var $apply_when = 'opt-out';
var $apply_to_html = true;
var $apply_to_xml = false; // Leave the smilies alone
var $short_desc;
var $long_desc;
/**
* Text similes search array
*
* @access private
*/
var $search;
/**
* IMG replace array
*
* @access private
*/
var $replace;
/**
* Smiley definitions
*
* @access private
*/
var $smilies;
/**
* Path to images
*
* @access private
*/
var $smilies_path;
/**
* Constructor
*
* {@internal smilies_Rendererplugin::smilies_Rendererplugin(-)}}
*/
function smilies_Rendererplugin()
{
$this->short_desc = T_('Convert text smilies to icons');
$this->long_desc = T_('No description available');
require dirname(__FILE__). '/../_smilies.conf.php';
}
/**
* Perform rendering
*
* {@internal smilies_Rendererplugin::render(-)}}
*
* @param string content to render (by reference) / rendered content
* @param string Output format, see {@link format_to_output()}
* @return boolean true if we can render something for the required output format
*/
function render( & $content, $format )
{
if( ! parent::render( $content, $format ) )
{ // We cannot render the required format
return false;
}
if( ! isset( $this->search ) )
{ // We haven't prepared the smilies yet
$this->search = array();
$tmpsmilies = $this->smilies;
uksort($tmpsmilies, 'smiliescmp');
foreach($tmpsmilies as $smiley => $img)
{
$this->search[] = $smiley;
$smiley_masked = '';
for ($i = 0; $i < strlen($smiley); $i++ )
{
$smiley_masked .= '&#'.ord(substr($smiley, $i, 1)).';';
}
// We don't use getimagesize() here until we have a mean
// to preprocess smilies. It takes up to much time when
// processing them at display time.
$this->replace[] = '<img src="'.$this->smilies_path.'/'.$img.'" alt="'.$smiley_masked.'" class="middle" />';
}
}
// REPLACE: But not in code blocks.
if( strpos( $content , '<code>' ) !== false )
{ // If there are code tags run this substitution
$content_parts = preg_split("/<\/?code>/", $content);
$content = '';
for ( $x = 0 ; $x < count( $content_parts ) ; $x++ )
{
if ( ( $x % 2 ) == 0 )
{ // If x is even then it's not code and replace any smiles
$content .= str_replace( $this->search, $this->replace, $content_parts[$x] );
}
else
{ // If x is odd don't replace smiles. and put code tags back in.
$content .= '<code>' . $content_parts[$x] . '</code>';
}
}
}
else
{ // No code blocks, replace on the whole thing
$content = str_replace( $this->search, $this->replace, $content);
}
return true;
}
}
/**
* sorts the smilies' array by length
* this is important if you want :)) to superseede :) for example
*/
function smiliescmp($a, $b)
{
if(($diff = strlen($b) - strlen($a)) == 0)
{
return strcmp($a, $b);
}
return $diff;
}
// Register the plugin:
$this->register( new smilies_Rendererplugin() );
?>
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