/**
* This method replaces all special chars with HTML entities.
* This
* method does also consider entities which are not handled by
* htmlentities.
*
* This method does not replace XML special chars (quotes etc.).
*
* @return Customweb_Core_String
*/
public function replaceNonAsciiCharsWithEntities()
{
$string = $this;
$utf8Charset = Customweb_Core_Charset::forName('UTF-8');
if ($this->getCharset() != $utf8Charset) {
$string = $this->convertTo('UTF-8');
}
$charArray = $utf8Charset->toArray($string->string);
$result = '';
for ($i = 0; $i < count($charArray); $i++) {
$char = $charArray[$i];
$ord = Customweb_Core_Charset_UTF8::getUnicode($char);
if ($ord > 127) {
$result .= '&#' . $ord . ';';
} else {
$result .= $char;
}
}
return new Customweb_Core_String($result, $utf8Charset);
}
/**
* This method sets the default charset. The default charset is used, whenever
* no charset is provided.
*
* Changing the default charset may have a high impact on the whole string
* manipulation. Per default UTF-8 is set as the default charset.
*
* @param string | Customweb_Core_Charset $charset
* @throws Exception
* @return Customweb_Core_Charset
*/
public static function setDefaultCharset($charset)
{
if (is_string($charset)) {
$charset = Customweb_Core_Charset::forName($charset);
} else {
if (!$charset instanceof Customweb_Core_Charset) {
throw new Customweb_Core_Exception_CastException('Customweb_Core_Charset');
}
}
self::$defaultCharset = $charset;
return self::$defaultCharset;
}
