Balmung

<?php


function htmlentitiesutf8($str){
    return htmlentities($str, ENT_QUOTES, 'UTF-8'); // 'UTF-8' einfach in 'ISO-8859-1' ändern, wenn du kein UTF-8 nutzt
}

function bbcode_img($action, $attributes, $content, $params, &$node_object){
    if($action == 'validate'){
        if(preg_match('@^https?://.+(jpg|jpeg|png|gif)$@i', $content)){
            return true;
        }
        return false;
    }elseif($action == 'output'){
        return '<img src="'.htmlentitiesutf8($content).'" alt="Bild" />';
    }
}

function bbcode_code($action, $attributes, $content, $params, &$node_object){
    if($action == 'validate'){
        return true;
    }elseif($action == 'output'){
        $lang = "";
        if(isset($attributes['default'])){
            $lang = strtolower($attributes['default']);

            //überprüfen ob syntaxhiglight für die sprache existiert
            //hier erlaube ich nur php, sollte ausgebaut werden, wenn nötig
            if($lang != "php"){
                $lang = "";
            }
        }
        $content = trim($content, "\r\n");
        if($lang == ""){
            $codetype = 'Code';
            $content = htmlentitiesutf8($content);
        }elseif($lang == 'php'){
            $codetype = 'PHP-Code';
            $content = highlight_string($content, true);
        }
        return '<div style="width:400px; padding:5px; border:1px solid #AAAAAA; white-space:pre; font-family:monospace;">'
            .'<div style="font-weight:bold; font-family:sans-serif; font-size:12px;">'.$codetype.'</div>'
            .$content.'</div>';
    }
}


function bbcode_url($action, $attributes, $content, $params, &$node_object){
    if($action == 'validate'){
        if(isset($attributes['default'])){
            $url = $attributes['default'];
        }else{
            $url = $content;
        }
        if(preg_match('@^(https?|ftp|irc|blubb)://[a-z0-9_\-\.]+(/.*)?$@i', $url)){
            return true;
        }
        return false;
    }elseif($action == 'output'){
        if(isset($attributes['default'])){
            $url = $attributes['default'];
            return '<a href="'.htmlentitiesutf8($url).'">'.$content.'</a>';
        }else{
            return '<a href="'.$content.'">'.$content.'</a>';
        }

    }
}


function bbcode_color($action, $attributes, $content, $params, &$node_object){
    global $color_names;
    if($action == 'validate'){
        return true;
    }elseif($action == 'output'){
        $textcol = "";
        $bgcol = "";
        if(isset($attributes['default'])){
            $textcol = $attributes['default'];
        }else{
            if(isset($attributes['text'])){
                $textcol = $attributes['text'];
            }
            if(isset($attributes['bg'])){
                $bgcol = $attributes['bg'];
            }
        }
        if($textcol != ""){
            if(preg_match('/^#[a-fA-F0-9]{6}$/', $textcol)){
                $textcol = strtoupper($textcol);
            }elseif(preg_match('/^#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])$/', $textcol, $ret)){
                $textcol = strtoupper('#'.$ret[1].$ret[1].$ret[2].$ret[2].$ret[3].$ret[3]);
            }elseif(isset($color_names[strtolower($textcol)])){
                $textcol = $color_names[$textcol];
            }else{
                $textcol = "";
            }
        }
        if($bgcol != ""){
            if(preg_match('/^#[a-fA-F0-9]{6}$/', $bgcol)){
                $bgcol = strtoupper($bgcol);
            }elseif(preg_match('/^#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])$/', $bgcol, $ret)){
                $bgcol = strtoupper('#'.$ret[1].$ret[1].$ret[2].$ret[2].$ret[3].$ret[3]);
            }elseif(isset($color_names[strtolower($bgcol)])){
                $bgcol = $color_names[$bgcol];
            }else{
                $bgcol = "";
            }
        }
        if($textcol != "" && $bgcol != ""){
            return '<span style="color:'.$textcol.'; background-color:'.$bgcol.';">'.$content.'</span>';
        }elseif($textcol != ""){
            return '<span style="color:'.$textcol.'; background-color:none;">'.$content.'</span>';
        }elseif($bgcol != ""){
            return '<span style="color:none; background-color:'.$bgcol.';">'.$content.'</span>';
        }else{
            return '<span style="color:none; background-color:none;">'.$content.'</span>';
        }

    }
}

?>