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order.go
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order.go
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/*
Copyright 2015 The Kubernetes Authors All rights reserved.
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 namer
import (
"sort"
"k8s.io/kubernetes/cmd/libs/go2idl/types"
)
// Orderer produces an ordering of types given a Namer.
type Orderer struct {
Namer
}
// Order assigns a name to every type, and returns a list sorted by those
// names.
func (o *Orderer) Order(u types.Universe) []*types.Type {
list := tList{
namer: o.Namer,
}
for _, p := range u {
for _, t := range p.Types {
list.types = append(list.types, t)
}
}
sort.Sort(list)
return list.types
}
type tList struct {
namer Namer
types []*types.Type
}
func (t tList) Len() int { return len(t.types) }
func (t tList) Less(i, j int) bool { return t.namer.Name(t.types[i]) < t.namer.Name(t.types[j]) }
func (t tList) Swap(i, j int) { t.types[i], t.types[j] = t.types[j], t.types[i] }