.
*/
class MinecraftColors {
const REGEX = '/(?:§|&)([0-9a-fklmnor])/i';
const START_TAG = '';
const CLOSE_TAG = '';
const CSS_COLOR = 'color: #';
const EMPTY_TAGS = '/<[^\/>]*>([\s]?)*<\/[^>]*>/';
const LINE_BREAK = '
';
static private $colors = array(
'0' => '000000', //Black
'1' => '0000AA', //Dark Blue
'2' => '00AA00', //Dark Green
'3' => '00AAAA', //Dark Aqua
'4' => 'AA0000', //Dark Red
'5' => 'AA00AA', //Dark Purple
'6' => 'FFAA00', //Gold
'7' => 'AAAAAA', //Gray
'8' => '555555', //Dark Gray
'9' => '5555FF', //Blue
'a' => '55FF55', //Green
'b' => '55FFFF', //Aqua
'c' => 'FF5555', //Red
'd' => 'FF55FF', //Light Purple
'e' => 'FFFF55', //Yellow
'f' => 'FFFFFF' //White
);
static private $formatting = array(
'k' => '', //Obfuscated
'l' => 'font-weight: bold;', //Bold
'm' => 'text-decoration: line-through;', //Strikethrough
'n' => 'text-decoration: underline;', //Underline
'o' => 'font-style: italic;', //Italic
'r' => '' //Reset
);
static private function UFT8Encode($text) {
//Encode the text in UTF-8, but only if it's not already.
if (mb_detect_encoding($text) != 'UTF-8')
$text = utf8_encode($text);
return $text;
}
static public function clean($text) {
$text = self::UFT8Encode($text);
$text = htmlspecialchars($text);
return preg_replace(self::REGEX, '', $text);
}
static public function convertToMOTD($text, $sign = '\u00A7') {
$text = self::UFT8Encode($text);
$text = htmlspecialchars($text);
$text = preg_replace(self::REGEX, $sign.'${1}', $text);
$text = str_replace("\n", '\n', $text);
return $text;
}
static public function convertToHTML($text, $line_break_element = false) {
$text = self::UFT8Encode($text);
$text = htmlspecialchars($text);
preg_match_all(self::REGEX, $text, $offsets);
$colors = $offsets[0]; //This is what we are going to replace with HTML.
$color_codes = $offsets[1]; //This is the color numbers/characters only.
//No colors? Just return the text.
if (empty($colors))
return $text;
$open_tags = 0;
foreach ($colors as $index => $color) {
$color_code = strtolower($color_codes[$index]);
//We have a normal color.
if (isset(self::$colors[$color_code])) {
$html = sprintf(self::START_TAG, self::CSS_COLOR.self::$colors[$color_code]);
//New color clears the other colors and formatting.
if ($open_tags != 0) {
$html = str_repeat(self::CLOSE_TAG, $open_tags).$html;
$open_tags = 0;
}
$open_tags++;
}
//We have some formatting.
else {
switch ($color_code) {
//Reset is special, just close all open tags.
case 'r':
$html = '';
if ($open_tags != 0) {
$html = str_repeat(self::CLOSE_TAG, $open_tags);
$open_tags = 0;
}
break;
//Can't do obfuscated in CSS...
case 'k':
$html = '';
break;
default:
$html = sprintf(self::START_TAG, self::$formatting[$color_code]);
$open_tags++;
break;
}
}
//Replace the color with the HTML code. We use preg_replace because of the limit parameter.
$text = preg_replace('/'.$color.'/', $html, $text, 1);
}
//Still open tags? Close them!
if ($open_tags != 0)
$text = $text.str_repeat(self::CLOSE_TAG, $open_tags);
//Replace \n with
if ($line_break_element)
$text = str_replace("\n", self::LINE_BREAK, $text);
//Return the text without empty HTML tags. Only to clean up bad color formatting from the user.
return preg_replace(self::EMPTY_TAGS, '', $text);
}
}
?>