public static function merge(array $input, $message_list, $options = array())
{
$context = isset($options['context']) ? $options['context'] : null;
$mixables = array();
foreach (Util::splitDelimList($message_list) as $message) {
if ($result = self::call($message, $context)) {
$mixables = array_merge($mixables, $result);
}
}
while ($mixable = array_shift($mixables)) {
if ($mixable instanceof Declaration) {
$input[] = $mixable;
} else {
list($property, $value) = $mixable;
if ($property === 'mixin') {
$input = Mixin::merge($input, $value, $options);
} elseif (!empty($options['keyed'])) {
$input[$property] = $value;
} else {
$input[] = array($property, $value);
}
}
}
return $input;
}
public function flatten($rule_context)
{
if ($this->flattened) {
return;
}
$new_set = array();
foreach ($this->store as $declaration) {
if (is_array($declaration) && $declaration[0] === 'mixin') {
foreach (Mixin::merge(array(), $declaration[1], array('context' => $rule_context)) as $mixable) {
if ($mixable instanceof Declaration) {
$clone = clone $mixable;
$clone->index = count($new_set);
$new_set[] = $clone;
} else {
$new_set[] = new Declaration($mixable[0], $mixable[1], count($new_set));
}
}
} else {
$declaration->index = count($new_set);
$new_set[] = $declaration;
}
}
$this->reset($new_set);
$this->flattened = true;
}
