mirror of
https://github.com/go-gitea/gitea
synced 2024-11-09 11:44:27 +00:00
55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
|
// Copyright (c) 2017 Couchbase, Inc.
|
||
|
|
//
|
||
|
|
// 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 regexp
|
||
|
|
|
||
|
|
type sparseSet struct {
|
||
|
|
dense []uint
|
||
|
|
sparse []uint
|
||
|
|
size uint
|
||
|
|
}
|
||
|
|
|
||
|
|
func newSparseSet(size uint) *sparseSet {
|
||
|
|
return &sparseSet{
|
||
|
|
dense: make([]uint, size),
|
||
|
|
sparse: make([]uint, size),
|
||
|
|
size: 0,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *sparseSet) Len() int {
|
||
|
|
return int(s.size)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *sparseSet) Add(ip uint) uint {
|
||
|
|
i := s.size
|
||
|
|
s.dense[i] = ip
|
||
|
|
s.sparse[ip] = i
|
||
|
|
s.size++
|
||
|
|
return i
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *sparseSet) Get(i uint) uint {
|
||
|
|
return s.dense[i]
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *sparseSet) Contains(ip uint) bool {
|
||
|
|
i := s.sparse[ip]
|
||
|
|
return i < s.size && s.dense[i] == ip
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *sparseSet) Clear() {
|
||
|
|
s.size = 0
|
||
|
|
}
|