source: extensions/bbcode_bar/bbcode_bar.inc.php @ 9752

<?php
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
 
function set_bbcode_bar()
{
        global $template, $conf, $lang, $user, $pwg_loaded_plugins;
        load_language('plugin.lang', dirname(__FILE__) . '/');
        $conf_bbcode_bar = explode("," , $conf['bbcode_bar']);
        $template->set_filename('bbcode_bar', dirname(__FILE__).'/bbcode_bar.tpl');

        // buttons
        for ($i=0; $i<=15; $i++)
        {
                if ($conf_bbcode_bar[$i] == 1) $template->assign('BBCode_bar_button_'.sprintf("%02d", $i), true);
        }
        $template->assign('repicon', $conf_bbcode_bar[16]);
        
        // edit field has a different id
        if (isset($_GET['action']) AND $_GET['action'] == 'edit_comment')
        {
                $template->assign('form_name', 'editComment');
        }
        else
        {
                $template->assign('form_name', 'addComment');
        }

        // smilies support
        if (isset($pwg_loaded_plugins['SmiliesSupport']))
        {
                $template->assign('BBCode_bar_SmiliesSupport', array('SMILIESSUPPORT_PAGE' => SmiliesTable()));
        }

        $lang['Comment'] .= $template->parse('bbcode_bar', true);                       
}


//Check tags and eventually close malformed tags, return BBCoded String
function CheckTags($str)
{
        //array of known tags
        $known = array('p','b','i','u','s','center','right','ol','ul','li','quote', 'img','url','email','color', 'size');
        //storage stack
        $tags = array();

        for ($pos = 0; $pos<strlen($str); $pos++)
        {
                if ($str{$pos} == '[')
                {
                        $end_pos = strpos($str, ']', $pos);
                        $tag = substr($str, ++$pos, $end_pos-$pos);
                        //deals with tags which contains arguments (ie quote)
                        if ( ($equal_pos = strpos($tag, '=', 0)) !== FALSE)
                        $tag = substr($tag, 0, $equal_pos);
                        //check whether we have a defined tag or not.
                        if (in_array(strtolower($tag),$known) || in_array(strtolower(substr($tag,1)),$known))
                        {
                                //closing tag
                                if ($tag{0} == '/')
                                {
                                        //cleaned tag
                                        $tag = substr($tag, 1);         
                                        $before_tag = substr($str, 0, $pos-1);
                                        $after_tag = substr($str, $end_pos+1);  
                                        //pop stack
                                        while (($temp = array_pop($tags)))
                                        {
                                                if ($temp != $tag)
                                                {
                                                        $before_tag.='[/'.$temp.']';
                                                }
                                                else 
                                                {
                                                        $before_tag.='[/'.$tag.']';
                                                        break;
                                                }
                                        }
                                        $end_pos += strlen($before_tag)+strlen($after_tag)-strlen($str);
                                        $str = $before_tag.$after_tag;
                                } 
                                else 
                                { // push stack
                                        array_push($tags,$tag);
                                }
                        }
                        $pos = $end_pos;        
                }
        }
        // empty stack and closing tags
        while ($temp = array_pop($tags))
        {               
                $str.='[/'.$temp.']';
        }
        return $str;
}

// return string, HTML version of BBCoded $str
function BBCodeParse($str)
{
        global $conf;

        $conf_bbcode_bar = explode("," , $conf['bbcode_bar']);
        $str = CheckTags(nl2br($str));

        $patterns = array();
        $replacements = array();

        if ( $conf_bbcode_bar[0] == 1 )
        {
                //Paragraph
                $patterns[] = '#\[p\](.*?)\[/p\]#is';
                $replacements[] = '<p>\\1</p>';
        }
        if ( $conf_bbcode_bar[1] == 1 )
        {
                // Bold
                $patterns[] = '#\[b\](.*?)\[/b\]#is';
                $replacements[] = '<strong>\\1</strong>';
        }
        if ( $conf_bbcode_bar[2] == 1 )
        {
                //Italic
                $patterns[] = '#\[i\](.*?)\[/i\]#is';
                $replacements[] = '<em>\\1</em>';
        }
        if ( $conf_bbcode_bar[3] == 1 )
        {
                //Underline     
                $patterns[] = '#\[u\](.*?)\[\/u\]#is';
                $replacements[] = '<u>\\1</u>';
        }
        if ( $conf_bbcode_bar[4] == 1 )
        {
                //Strikethrough
                $patterns[] = '#\[s\](.*?)\[/s\]#is';
                $replacements[] = '<del>\\1</del>';
        }
        if ( $conf_bbcode_bar[5] == 1 )
        {
                //Center
                $patterns[] = '#\[center\](.*?)\[/center\]#is';
                $replacements[] = '<div align="center"><p>\\1</p></div>';
        }
        if ( $conf_bbcode_bar[6] == 1 )
        {
                //Right
                $patterns[] = '#\[right\](.*?)\[/right\]#is';
                $replacements[] = '<div align="right"><p>\\1</p></div>';
        }
        if ( $conf_bbcode_bar[7] == 1 )
        {
                //Olist
                $patterns[] = '#\[ol\](.*?)\[/ol\]#is';
                $replacements[] = '<ol>\\1</ol>';
        }
        if ( $conf_bbcode_bar[8] == 1 )
        {
                //Ulist
                $patterns[] = '#\[ul\](.*?)\[/ul\]#is';
                $replacements[] = '<ul>\\1</ul>';
        }
        if (( $conf_bbcode_bar[7] == 1 ) || ( $conf_bbcode_bar[8] == 1 ))
        {
                //List
                $patterns[] = '#\[li\](.*?)\[/li\]#is';
                $replacements[] = '<li>\\1</li>';
        }
        if ( $conf_bbcode_bar[9] == 1 )
        {
                // Quotes
                $patterns[] = "#\[quote\](.*?)\[/quote\]#is";
                $replacements[] = '<blockquote><span style="font-size: 11px; line-height: normal">\\1</span></blockquote>';

                //Quotes with "user"
                $patterns[] = "#\[quote=&quot;(.*?)&quot;\](.*?)\[/quote\]#is";
                $replacements[] = '<blockquote><span style="font-size: 11px; line-height: normal"><b>\\1 : </b><br/>\\2</span></blockquote>';

                //Quotes with user
                $patterns[] = "#\[quote=(.*?)\](.*?)\[/quote\]#is";
                $replacements[] = '<blockquote><span style="font-size: 11px; line-height: normal"><b>\\1 : </b><br/>\\2</span></blockquote>';
        }
        if ( $conf_bbcode_bar[10] == 1 )
        {
                //Images
                $patterns[] = "#\[img\](.*?)\[/img\]#si";
                $replacements[] = '<img src="\\1" />';
        }
        if ( $conf_bbcode_bar[11] == 1 )
        {
                //[url]xxxx://www.zzzz.yyy[/url]
                $patterns[] = "#\[url\]([\w]+?://[^ \"\n\r\t<]*?)\[/url\]#is"; 
                $replacements[] = '<a href="\\1" target="_blank">\\1</a>'; 

                //[url]www.zzzzz.yyy[/url]
                $patterns[] = "#\[url\]((www|ftp)\.[^ \"\n\r\t<]*?)\[/url\]#is"; 
                $replacements[] = '<a href="http://\\1" target="_blank">\\1</a>'; 

                //[url=xxxx://www.zzzzz.yyy]ZzZzZ[/url]
                $patterns[] = "#\[url=([\w]+?://[^ \"\n\r\t<]*?)\](.*?)\[/url\]#is"; 
                $replacements[] = '<a href="\\1" target="_blank">\\2</a>'; 

                // [url=www.zzzzz.yyy]zZzZz[/url]
                $patterns[] = "#\[url=((www|ftp)\.[^ \"\n\r\t<]*?)\](.*?)\[/url\]#is"; 
                $replacements[] = '<a href="http://\\1" target="_blank">\\2</a>'; 

                // [url="www.zzzzz.yyy"]zZzZz[/url]
                $patterns[] = "#\[url=&quot;((www|ftp)\.[^ \n\r\t<]*?)&quot;\](.*?)\[/url\]#is";
                $replacements[] = '<a href="http://\\1" target="_blank">\\3</a>';

                //[url="http://www.zzzzz.yyy"]zZzZz[/url]
                $patterns[] = "#\[url=&quot;([\w]+?://[^ \n\r\t<]*?)&quot;\](.*?)\[/url\]#is";
                $replacements[] = '<a href="\\1" target="_blank">\\2</a>';
        }
        if ( $conf_bbcode_bar[12] == 1 )
        {
                //[email]samvure@gmail.com[/email]
                $patterns[] = "#\[email\]([a-z0-9&\-_.]+?@[\w\-]+\.([\w\-\.]+\.)?[\w]+)\[/email\]#is";
                $replacements[] = '<a href="mailto:\\1">\\1</a>';
        }
        if ( $conf_bbcode_bar[13] == 1 )
        {
                //Size
                $patterns[] = "#\[size=([1-2]?[0-9])\](.*?)\[/size\]#si";
                $replacements[] = '<span style="font-size: \\1px; line-height: normal">\\2</span>';
        }
        if ( $conf_bbcode_bar[14] == 1 )
        {
                //Colours
                $patterns[] = "#\[color=(\#[0-9A-F]{6}|[a-z]+)\](.*?)\[/color\]#si";
                $replacements[] = '<span style="color: \\1">\\2</span>';
        }
        
        return preg_replace($patterns, $replacements, $str);
}
?>