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/*
* Copyright 2021 Kári Magnússon
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kuzminki.fn
import kuzminki.api.KuzminkiError
import kuzminki.filter.{Filter, AndOrFilter}
object And {
def opts(opts: Option[Filter]*): Option[Filter] = {
opts.flatten match {
case Nil => None
case head :: Nil => Some(head)
case filters => Some(And(filters: _*))
}
}
}
case class And(filters: Filter*) extends AndOrFilter {
val glue = " AND "
filters.foreach {
case f: And => throw KuzminkiError("And cannot be within And")
case _ =>
}
}