/**
* Merge type with another type
*
* @todo: Ignore simple types, for now, and especially does not merge
* attribute types. Only builds a list with all attributes from all merged
* types.
*
* @param slSchemaType $type
* @return void
*/
public function merge(slSchemaType $type)
{
// Merge simple type
$this->empty = $this->empty & $type->empty;
// Merge attributes
foreach ($type->attributes as $name => $attribute) {
$optional = !isset($this->attributes[$name]) || $this->attributes[$name]->optional || $type->attributes[$name]->optional;
if (!isset($this->attributes[$name])) {
$this->attributes[$name] = $attribute;
}
$this->attributes[$name]->optional = $optional;
}
// Make attributes optional, which do not not occur in the merged type
foreach ($this->attributes as $name => $attribute) {
if (!isset($type->attributes[$name])) {
$this->attributes[$name]->optional = true;
}
}
// Merge type automatons
$this->regularExpression = null;
$this->automaton->merge($type->automaton);
}
