/** @inheritdoc */
public static function calculateValue($modifierName, $modifierParams, $value, $params = array())
{
switch ($modifierName) {
case 'tag':
return '{{' . $value . '}}';
break;
case "lowercase":
$value = strtolower($value);
break;
case "uppercase":
$value = strtoupper($value);
break;
case "trim":
$value = trim($value);
break;
case "length":
$value = strlen($value);
break;
case "wordcount":
//$value = str_word_count($value, 0, '/[\p{C}\p{S}\p{Z}]+/'); // does not work with utf-8
$value = str_replace("", '', $value);
// soft hyphen encoded in UTF-8
$value = preg_match_all('~[\\p{L}\'\\-]+~u', $value);
break;
case "htmlentities":
$value = htmlentities($value);
break;
case "zero":
if ($value == '') {
$value = 0;
}
break;
case "shortener":
$wordCount = Util::lavnn('words', $modifierParams, 0);
$charCount = Util::lavnn('chars', $modifierParams, 0);
$value = TextUtil::shorten($value, $wordCount, $charCount);
break;
case "split":
$delimiter = Util::lavnn('delimiter', $modifierParams, '');
$value = explode(Processor::glueDecoder($delimiter), $value);
break;
case "if":
if (!self::applyIf($modifierParams, $value, $params)) {
return '';
}
break;
case "ifempty":
$default = Util::lavnn('default', $modifierParams, '');
$fallback = Util::lavnn('fallback', $modifierParams, '');
if ($value != '') {
return $value;
} elseif ($fallback != '') {
// @TODO fallback is now on top level of $params. make it findable in the tree
return Util::lavnn($fallback, $params, $default);
} else {
return $default;
}
break;
case "ifnotempty":
if (is_null($value) || $value == '') {
return '';
}
break;
case 'replace':
$default = Util::lavnn('default', $modifierParams, '');
$fallback = Util::lavnn('fallback', $modifierParams, '');
$value = $fallback == '' ? $default : Util::lavnn($fallback, $params, $default);
break;
case "dbsafe":
$value = TextUtil::dbsafe($value);
break;
case "jssafe":
$value = TextUtil::jssafe($value);
break;
case "htmlsafe":
$value = TextUtil::htmlsafe($value);
break;
case "urlencode":
$value = urlencode($value);
break;
case "fixfloat":
$value = floatval($value);
break;
case "fixint":
$value = intval($value);
break;
case "fixbool":
$value = (bool) $value;
break;
case 'rsstime':
$value = date('D, d M Y H:i:s O', strtotime($value));
break;
case 'dbdate':
// Convert date from current locale format to DB-suitable format
if ($value != '') {
$value = DateTimeUtil::DateTimeToDB($value, Util::lavnn('time', $modifierParams, 'now'));
}
break;
case 'date':
// Convert database-formatted datetime into user favourite locale, without time
if ($value != '') {
$utcDate = date_create_from_format('Y-m-d H:i:s', $value);
if (!$utcDate) {
$value = date($_SESSION['formats']['date_php'], strtotime($value));
} else {
$offset = Util::lavnn('timezoneOffset', $_SESSION, 0);
$localDate = $utcDate->modify("+{$offset} minutes");
// fixing the timezone offset can change the date
$value = $localDate->format($_SESSION['formats']['date_php']);
}
}
break;
case 'time':
// Convert database-formatted datetime into user favourite locale, without date
if ($value != '') {
$utcDate = date_create_from_format('Y-m-d H:i:s', $value);
if (!$utcDate) {
$value = date($_SESSION['formats']['time_php'], strtotime($value));
} else {
$offset = Util::lavnn('timezoneOffset', $_SESSION, 0);
$localDate = $utcDate->modify("+{$offset} minutes");
$value = $localDate->format($_SESSION['formats']['time_php']);
}
}
break;
case 'datetime':
// Convert database-formatted datetime into user current locale, using time
if ($value != '') {
$utcDate = date_create_from_format('Y-m-d H:i:s', $value);
if (!$utcDate) {
$value = date($_SESSION['formats']['datetime_php'], strtotime($value));
} else {
$offset = Util::lavnn('timezoneOffset', $_SESSION, 0);
$localDate = $utcDate->modify("+{$offset} minutes");
$value = $localDate->format($_SESSION['formats']['datetime_php']);
}
}
break;
case 'timestamp':
if ($value != '') {
$value = strtotime($value);
}
break;
case "fixurl":
$value = $value == '' ? '#' : (substr($value, 0, 4) != 'http' ? 'http://' : '') . $value;
break;
case "nohtml":
$value = strip_tags($value);
break;
case "htmlcomment":
$value = "<!--{$value}-->";
break;
case "dump":
$value = print_r($value, 1);
break;
case 'unserialize':
$value = $value == '' ? array() : json_decode($value, true);
break;
case 'loremipsum':
$loremIpsum = array("Donec ullamcorper nulla non metus auctor fringilla.", "Vestibulum id ligula porta felis euismod semper.", "Praesent commodo cursus magna, vel scelerisque nisl consectetur.", "Fusce dapibus, tellus ac cursus commodo.");
$value = $value == '' ? join(' ', $loremIpsum) : $value;
break;
case 'gravatar':
$size = Util::lavnn('size', $modifierParams, 50);
$email = md5(strtolower(trim($value)));
$value = "http://www.gravatar.com/avatar/{$email}?s=" . $size;
break;
default:
$value = parent::calculateValue($modifierName, $modifierParams, $value, $params);
break;
}
return $value;
}
