public function testNumBitsSet()
{
$bitfield = 1431655765;
$this->assertTrue(CBitField::numBitsSet($bitfield) == 16);
$bitfield = 1152419982;
$this->assertTrue(CBitField::numBitsSet($bitfield) == 11);
}
/**
* @ignore
*/
public static function collatorObject($caseInsensitive, $naturalOrder, $locale, $collationFlags)
{
// Is public to be accessible by other classes, such as CArray.
assert('is_bool($caseInsensitive) && is_bool($naturalOrder) && is_cstring($locale) && ' . 'is_bitfield($collationFlags)', vs(isset($this), get_defined_vars()));
assert('CULocale::isValid($locale) || CString::equalsCi($locale, "root")', vs(isset($this), get_defined_vars()));
$coll = new Collator($locale);
// Case sensitivity.
if (!$caseInsensitive) {
$coll->setStrength(Collator::TERTIARY);
} else {
$coll->setStrength(Collator::SECONDARY);
}
// Natural order.
if (!$naturalOrder) {
// To be sure.
$coll->setAttribute(Collator::NUMERIC_COLLATION, Collator::OFF);
} else {
$coll->setAttribute(Collator::NUMERIC_COLLATION, Collator::ON);
}
// Accents.
if (CBitField::isBitSet($collationFlags, self::COLLATION_IGNORE_ACCENTS)) {
$coll->setStrength(Collator::PRIMARY);
if (!$caseInsensitive) {
$coll->setAttribute(Collator::CASE_LEVEL, Collator::ON);
}
}
// Invisible characters, some punctuation and symbols.
if (CBitField::isBitSet($collationFlags, self::COLLATION_IGNORE_NONWORD)) {
$coll->setAttribute(Collator::ALTERNATE_HANDLING, Collator::SHIFTED);
}
// Case order.
if (!CBitField::isBitSet($collationFlags, self::COLLATION_UPPERCASE_FIRST)) {
// To be sure.
$coll->setAttribute(Collator::CASE_FIRST, Collator::OFF);
} else {
$coll->setAttribute(Collator::CASE_FIRST, Collator::UPPER_FIRST);
}
// "French" collation.
if (CBitField::isBitSet($collationFlags, self::COLLATION_FRENCH)) {
$coll->setAttribute(Collator::FRENCH_COLLATION, Collator::ON);
}
return $coll;
}
protected static function filterFlagsFromOptions($options, &$filterFlags)
{
if (CBitField::isBitSet($options, self::DISALLOW_PRIVATE_RANGE)) {
$filterFlags |= FILTER_FLAG_NO_PRIV_RANGE;
}
if (CBitField::isBitSet($options, self::DISALLOW_RESERVED_RANGE)) {
$filterFlags |= FILTER_FLAG_NO_RES_RANGE;
}
}