set-gen example

pull/6/head
Daniel Smith 2015-10-15 10:15:51 -07:00
parent 048e42a36c
commit 241551e36e
12 changed files with 1114 additions and 41 deletions

1
cmd/libs/go2idl/set-gen/.gitignore vendored Normal file
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set-gen

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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 generators has the generators for the set-gen utility.
package generators
import (
"io"
"os"
"strings"
"k8s.io/kubernetes/cmd/libs/go2idl/args"
"k8s.io/kubernetes/cmd/libs/go2idl/generator"
"k8s.io/kubernetes/cmd/libs/go2idl/namer"
"k8s.io/kubernetes/cmd/libs/go2idl/types"
"github.com/golang/glog"
)
// NameSystems returns the name system used by the generators in this package.
func NameSystems() namer.NameSystems {
return namer.NameSystems{
"public": namer.NewPublicNamer(0),
"private": namer.NewPrivateNamer(0),
"raw": namer.NewRawNamer(nil),
}
}
// NameSystems returns the default name system for ordering the types to be
// processed by the generators in this package.
func DefaultNameSystem() string {
return "public"
}
// Packages makes the sets package definition.
func Packages(_ *generator.Context, arguments *args.GeneratorArgs) generator.Packages {
boilerplate, err := arguments.LoadGoBoilerplate()
if err != nil {
glog.Fatalf("Failed loading boilerplate: %v", err)
}
return generator.Packages{&generator.DefaultPackage{
PackageName: "sets",
PackagePath: arguments.OutputPackagePath,
HeaderText: append(boilerplate, []byte(
`
// This file was autogenerated by the command:
// $ `+strings.Join(os.Args, " ")+`
// Do not edit it manually!
`)...),
PackageDocumentation: []byte(
`// Package sets has auto-generated set types.
`),
// GeneratorFunc returns a list of generators. Each generator makes a
// single file.
GeneratorFunc: func(c *generator.Context) (generators []generator.Generator) {
generators = []generator.Generator{
// Always generate a "doc.go" file.
generator.DefaultGen{OptionalName: "doc"},
// Make a separate file for the Empty type, since it's shared by every type.
generator.DefaultGen{
OptionalName: "empty",
OptionalBody: []byte(emptyTypeDecl),
},
}
// Since we want a file per type that we generate a set for, we
// have to provide a function for this.
for _, t := range c.Order {
generators = append(generators, &genSet{
DefaultGen: generator.DefaultGen{
// Use the privatized version of the
// type name as the file name.
//
// TODO: make a namer that converts
// camelCase to '-' separation for file
// names?
OptionalName: c.Namers["private"].Name(t),
},
typeToMatch: t,
imports: generator.NewImportTracker(),
})
}
return generators
},
FilterFunc: func(c *generator.Context, t *types.Type) bool {
// It would be reasonable to filter by the type's package here.
// It might be necessary if your input directory has a big
// import graph.
switch t.Kind {
case types.Map, types.Slice, types.Pointer:
// These types can't be keys in a map.
return false
case types.Builtin:
return true
case types.Struct:
// Only some structs can be keys in a map. This is triggered by the line
// // +genset
// or
// // +genset=true
return types.ExtractCommentTags("+", t.CommentLines)["genset"] == "true"
}
return false
},
}}
}
// genSet produces a file with a set for a single type.
type genSet struct {
generator.DefaultGen
typeToMatch *types.Type
imports *generator.ImportTracker
}
// Filter ignores all but one type because we're making a single file per type.
func (g *genSet) Filter(c *generator.Context, t *types.Type) bool { return t == g.typeToMatch }
func (g *genSet) Namers(c *generator.Context) namer.NameSystems {
return namer.NameSystems{
"raw": namer.NewRawNamer(g.imports),
}
}
func (g *genSet) Imports(c *generator.Context) (imports []string) {
return append(g.imports.ImportLines(), "reflect", "sort")
}
// args constructs arguments for templates. Usage:
// g.args(t, "key1", value1, "key2", value2, ...)
//
// 't' is loaded with the key 'type'.
//
// We could use t directly as the argument, but doing it this way makes it easy
// to mix in additional parameters. This feature is not used in this set
// generator, but is present as an example.
func (g *genSet) args(t *types.Type, kv ...interface{}) interface{} {
m := map[interface{}]interface{}{"type": t}
for i := 0; i < len(kv)/2; i++ {
m[kv[i*2]] = kv[i*2+1]
}
return m
}
// GenerateType makes the body of a file implementing a set for type t.
func (g *genSet) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
sw.Do(setCode, g.args(t))
sw.Do("func less$.type|public$(lhs, rhs $.type|raw$) bool {\n", g.args(t))
g.lessBody(sw, t)
sw.Do("}\n", g.args(t))
return sw.Error()
}
func (g *genSet) lessBody(sw *generator.SnippetWriter, t *types.Type) {
// TODO: make this recursive, handle pointers and multiple nested structs...
switch t.Kind {
case types.Struct:
for _, m := range types.FlattenMembers(t.Members) {
sw.Do("if lhs.$.Name$ < rhs.$.Name$ { return true }\n", m)
sw.Do("if lhs.$.Name$ > rhs.$.Name$ { return false }\n", m)
}
sw.Do("return false\n", nil)
default:
sw.Do("return lhs < rhs\n", nil)
}
}
// written to the "empty.go" file.
var emptyTypeDecl = `
// Empty is public since it is used by some internal API objects for conversions between external
// string arrays and internal sets, and conversion logic requires public types today.
type Empty struct{}
`
// Written for every type. If you've never used text/template before:
// $.type$ refers to the source type; |public means to
// call the function giving the public name, |raw the raw type name.
var setCode = `// sets.$.type|public$ is a set of $.type|raw$s, implemented via map[$.type|raw$]struct{} for minimal memory consumption.
type $.type|public$ map[$.type|raw$]Empty
// New creates a $.type|public$ from a list of values.
func New$.type|public$(items ...$.type|raw$) $.type|public$ {
ss := $.type|public${}
ss.Insert(items...)
return ss
}
// $.type|public$KeySet creates a $.type|public$ from a keys of a map[$.type|raw$](? extends interface{}).
// If the value passed in is not actually a map, this will panic.
func $.type|public$KeySet(theMap interface{}) $.type|public$ {
v := reflect.ValueOf(theMap)
ret := $.type|public${}
for _, keyValue := range v.MapKeys() {
ret.Insert(keyValue.Interface().($.type|raw$))
}
return ret
}
// Insert adds items to the set.
func (s $.type|public$) Insert(items ...$.type|raw$) {
for _, item := range items {
s[item] = Empty{}
}
}
// Delete removes all items from the set.
func (s $.type|public$) Delete(items ...$.type|raw$) {
for _, item := range items {
delete(s, item)
}
}
// Has returns true if and only if item is contained in the set.
func (s $.type|public$) Has(item $.type|raw$) bool {
_, contained := s[item]
return contained
}
// HasAll returns true if and only if all items are contained in the set.
func (s $.type|public$) HasAll(items ...$.type|raw$) bool {
for _, item := range items {
if !s.Has(item) {
return false
}
}
return true
}
// HasAny returns true if any items are contained in the set.
func (s $.type|public$) HasAny(items ...$.type|raw$) bool {
for _, item := range items {
if s.Has(item) {
return true
}
}
return false
}
// Difference returns a set of objects that are not in s2
// For example:
// s1 = {a1, a2, a3}
// s2 = {a1, a2, a4, a5}
// s1.Difference(s2) = {a3}
// s2.Difference(s1) = {a4, a5}
func (s $.type|public$) Difference(s2 $.type|public$) $.type|public$ {
result := New$.type|public$()
for key := range s {
if !s2.Has(key) {
result.Insert(key)
}
}
return result
}
// Union returns a new set which includes items in either s1 or s2.
// For example:
// s1 = {a1, a2}
// s2 = {a3, a4}
// s1.Union(s2) = {a1, a2, a3, a4}
// s2.Union(s1) = {a1, a2, a3, a4}
func (s1 $.type|public$) Union(s2 $.type|public$) $.type|public$ {
result := New$.type|public$()
for key := range s1 {
result.Insert(key)
}
for key := range s2 {
result.Insert(key)
}
return result
}
// Intersection returns a new set which includes the item in BOTH s1 and s2
// For example:
// s1 = {a1, a2}
// s2 = {a2, a3}
// s1.Intersection(s2) = {a2}
func (s1 $.type|public$) Intersection(s2 $.type|public$) $.type|public$ {
var walk, other $.type|public$
result := New$.type|public$()
if s1.Len() < s2.Len() {
walk = s1
other = s2
} else {
walk = s2
other = s1
}
for key := range walk {
if other.Has(key) {
result.Insert(key)
}
}
return result
}
// IsSuperset returns true if and only if s1 is a superset of s2.
func (s1 $.type|public$) IsSuperset(s2 $.type|public$) bool {
for item := range s2 {
if !s1.Has(item) {
return false
}
}
return true
}
// Equal returns true if and only if s1 is equal (as a set) to s2.
// Two sets are equal if their membership is identical.
// (In practice, this means same elements, order doesn't matter)
func (s1 $.type|public$) Equal(s2 $.type|public$) bool {
return len(s1) == len(s2) && s1.IsSuperset(s2)
}
type sortableSliceOf$.type|public$ []$.type|raw$
func (s sortableSliceOf$.type|public$) Len() int { return len(s) }
func (s sortableSliceOf$.type|public$) Less(i, j int) bool { return less$.type|public$(s[i], s[j]) }
func (s sortableSliceOf$.type|public$) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// List returns the contents as a sorted $.type|raw$ slice.
func (s $.type|public$) List() []$.type|raw$ {
res := make(sortableSliceOf$.type|public$, 0, len(s))
for key := range s {
res = append(res, key)
}
sort.Sort(res)
return []$.type|raw$(res)
}
// Returns a single element from the set.
func (s $.type|public$) PopAny() ($.type|raw$, bool) {
for key := range s {
s.Delete(key)
return key, true
}
var zeroValue $.type|raw$
return zeroValue, false
}
// Len returns the size of the set.
func (s $.type|public$) Len() int {
return len(s)
}
`

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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.
*/
// set-gen is an example usage of go2idl.
//
// Structs in the input directories with the below line in their comments will
// have sets generated for them.
// // +genset
//
// Any builtin type referenced anywhere in the input directories will have a
// set generated for it.
package main
import (
"k8s.io/kubernetes/cmd/libs/go2idl/args"
"k8s.io/kubernetes/cmd/libs/go2idl/set-gen/generators"
"github.com/golang/glog"
)
func main() {
arguments := args.Default()
// Override defaults. These are Kubernetes specific input and output
// locations.
arguments.InputDirs = []string{"k8s.io/kubernetes/pkg/util/sets/types"}
arguments.OutputPackagePath = "k8s.io/kubernetes/pkg/util/sets"
if err := arguments.Execute(
generators.NameSystems(),
generators.DefaultNameSystem(),
generators.Packages,
); err != nil {
glog.Fatalf("Error: %v", err)
}
}

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@ -21,7 +21,6 @@ import (
"io"
"math"
"net/http"
"reflect"
"sync"
"time"
@ -687,7 +686,7 @@ func (k *KubernetesScheduler) explicitlyReconcileTasks(driver bindings.Scheduler
// tell mesos to send us the latest status updates for all the non-terminal tasks that we know about
statusList := []*mesos.TaskStatus{}
remaining := sets.KeySet(reflect.ValueOf(taskToSlave))
remaining := sets.StringKeySet(taskToSlave)
for taskId, slaveId := range taskToSlave {
if slaveId == "" {
delete(taskToSlave, taskId)

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@ -55,7 +55,7 @@ func newNavigationSteps(path string) (*navigationSteps, error) {
if err != nil {
return nil, err
}
nextPart := findNameStep(individualParts[currPartIndex:], sets.KeySet(reflect.ValueOf(mapValueOptions)))
nextPart := findNameStep(individualParts[currPartIndex:], sets.StringKeySet(mapValueOptions))
steps = append(steps, navigationStep{nextPart, mapValueType})
currPartIndex += len(strings.Split(nextPart, "."))

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pkg/util/sets/byte.go Normal file
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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.
*/
// This file was autogenerated by the command:
// $ cmd/libs/go2idl/set-gen/set-gen
// Do not edit it manually!
package sets
import (
"reflect"
"sort"
)
// sets.Byte is a set of bytes, implemented via map[byte]struct{} for minimal memory consumption.
type Byte map[byte]Empty
// New creates a Byte from a list of values.
func NewByte(items ...byte) Byte {
ss := Byte{}
ss.Insert(items...)
return ss
}
// ByteKeySet creates a Byte from a keys of a map[byte](? extends interface{}).
// If the value passed in is not actually a map, this will panic.
func ByteKeySet(theMap interface{}) Byte {
v := reflect.ValueOf(theMap)
ret := Byte{}
for _, keyValue := range v.MapKeys() {
ret.Insert(keyValue.Interface().(byte))
}
return ret
}
// Insert adds items to the set.
func (s Byte) Insert(items ...byte) {
for _, item := range items {
s[item] = Empty{}
}
}
// Delete removes all items from the set.
func (s Byte) Delete(items ...byte) {
for _, item := range items {
delete(s, item)
}
}
// Has returns true if and only if item is contained in the set.
func (s Byte) Has(item byte) bool {
_, contained := s[item]
return contained
}
// HasAll returns true if and only if all items are contained in the set.
func (s Byte) HasAll(items ...byte) bool {
for _, item := range items {
if !s.Has(item) {
return false
}
}
return true
}
// HasAny returns true if any items are contained in the set.
func (s Byte) HasAny(items ...byte) bool {
for _, item := range items {
if s.Has(item) {
return true
}
}
return false
}
// Difference returns a set of objects that are not in s2
// For example:
// s1 = {a1, a2, a3}
// s2 = {a1, a2, a4, a5}
// s1.Difference(s2) = {a3}
// s2.Difference(s1) = {a4, a5}
func (s Byte) Difference(s2 Byte) Byte {
result := NewByte()
for key := range s {
if !s2.Has(key) {
result.Insert(key)
}
}
return result
}
// Union returns a new set which includes items in either s1 or s2.
// For example:
// s1 = {a1, a2}
// s2 = {a3, a4}
// s1.Union(s2) = {a1, a2, a3, a4}
// s2.Union(s1) = {a1, a2, a3, a4}
func (s1 Byte) Union(s2 Byte) Byte {
result := NewByte()
for key := range s1 {
result.Insert(key)
}
for key := range s2 {
result.Insert(key)
}
return result
}
// Intersection returns a new set which includes the item in BOTH s1 and s2
// For example:
// s1 = {a1, a2}
// s2 = {a2, a3}
// s1.Intersection(s2) = {a2}
func (s1 Byte) Intersection(s2 Byte) Byte {
var walk, other Byte
result := NewByte()
if s1.Len() < s2.Len() {
walk = s1
other = s2
} else {
walk = s2
other = s1
}
for key := range walk {
if other.Has(key) {
result.Insert(key)
}
}
return result
}
// IsSuperset returns true if and only if s1 is a superset of s2.
func (s1 Byte) IsSuperset(s2 Byte) bool {
for item := range s2 {
if !s1.Has(item) {
return false
}
}
return true
}
// Equal returns true if and only if s1 is equal (as a set) to s2.
// Two sets are equal if their membership is identical.
// (In practice, this means same elements, order doesn't matter)
func (s1 Byte) Equal(s2 Byte) bool {
return len(s1) == len(s2) && s1.IsSuperset(s2)
}
type sortableSliceOfByte []byte
func (s sortableSliceOfByte) Len() int { return len(s) }
func (s sortableSliceOfByte) Less(i, j int) bool { return lessByte(s[i], s[j]) }
func (s sortableSliceOfByte) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// List returns the contents as a sorted byte slice.
func (s Byte) List() []byte {
res := make(sortableSliceOfByte, 0, len(s))
for key := range s {
res = append(res, key)
}
sort.Sort(res)
return []byte(res)
}
// Returns a single element from the set.
func (s Byte) PopAny() (byte, bool) {
for key := range s {
s.Delete(key)
return key, true
}
var zeroValue byte
return zeroValue, false
}
// Len returns the size of the set.
func (s Byte) Len() int {
return len(s)
}
func lessByte(lhs, rhs byte) bool {
return lhs < rhs
}

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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.
*/
// This file was autogenerated by the command:
// $ cmd/libs/go2idl/set-gen/set-gen
// Do not edit it manually!
// Package sets has auto-generated set types.
package sets

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pkg/util/sets/empty.go Normal file
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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.
*/
// This file was autogenerated by the command:
// $ cmd/libs/go2idl/set-gen/set-gen
// Do not edit it manually!
package sets
// Empty is public since it is used by some internal API objects for conversions between external
// string arrays and internal sets, and conversion logic requires public types today.
type Empty struct{}

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pkg/util/sets/int.go Normal file
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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.
*/
// This file was autogenerated by the command:
// $ cmd/libs/go2idl/set-gen/set-gen
// Do not edit it manually!
package sets
import (
"reflect"
"sort"
)
// sets.Int is a set of ints, implemented via map[int]struct{} for minimal memory consumption.
type Int map[int]Empty
// New creates a Int from a list of values.
func NewInt(items ...int) Int {
ss := Int{}
ss.Insert(items...)
return ss
}
// IntKeySet creates a Int from a keys of a map[int](? extends interface{}).
// If the value passed in is not actually a map, this will panic.
func IntKeySet(theMap interface{}) Int {
v := reflect.ValueOf(theMap)
ret := Int{}
for _, keyValue := range v.MapKeys() {
ret.Insert(keyValue.Interface().(int))
}
return ret
}
// Insert adds items to the set.
func (s Int) Insert(items ...int) {
for _, item := range items {
s[item] = Empty{}
}
}
// Delete removes all items from the set.
func (s Int) Delete(items ...int) {
for _, item := range items {
delete(s, item)
}
}
// Has returns true if and only if item is contained in the set.
func (s Int) Has(item int) bool {
_, contained := s[item]
return contained
}
// HasAll returns true if and only if all items are contained in the set.
func (s Int) HasAll(items ...int) bool {
for _, item := range items {
if !s.Has(item) {
return false
}
}
return true
}
// HasAny returns true if any items are contained in the set.
func (s Int) HasAny(items ...int) bool {
for _, item := range items {
if s.Has(item) {
return true
}
}
return false
}
// Difference returns a set of objects that are not in s2
// For example:
// s1 = {a1, a2, a3}
// s2 = {a1, a2, a4, a5}
// s1.Difference(s2) = {a3}
// s2.Difference(s1) = {a4, a5}
func (s Int) Difference(s2 Int) Int {
result := NewInt()
for key := range s {
if !s2.Has(key) {
result.Insert(key)
}
}
return result
}
// Union returns a new set which includes items in either s1 or s2.
// For example:
// s1 = {a1, a2}
// s2 = {a3, a4}
// s1.Union(s2) = {a1, a2, a3, a4}
// s2.Union(s1) = {a1, a2, a3, a4}
func (s1 Int) Union(s2 Int) Int {
result := NewInt()
for key := range s1 {
result.Insert(key)
}
for key := range s2 {
result.Insert(key)
}
return result
}
// Intersection returns a new set which includes the item in BOTH s1 and s2
// For example:
// s1 = {a1, a2}
// s2 = {a2, a3}
// s1.Intersection(s2) = {a2}
func (s1 Int) Intersection(s2 Int) Int {
var walk, other Int
result := NewInt()
if s1.Len() < s2.Len() {
walk = s1
other = s2
} else {
walk = s2
other = s1
}
for key := range walk {
if other.Has(key) {
result.Insert(key)
}
}
return result
}
// IsSuperset returns true if and only if s1 is a superset of s2.
func (s1 Int) IsSuperset(s2 Int) bool {
for item := range s2 {
if !s1.Has(item) {
return false
}
}
return true
}
// Equal returns true if and only if s1 is equal (as a set) to s2.
// Two sets are equal if their membership is identical.
// (In practice, this means same elements, order doesn't matter)
func (s1 Int) Equal(s2 Int) bool {
return len(s1) == len(s2) && s1.IsSuperset(s2)
}
type sortableSliceOfInt []int
func (s sortableSliceOfInt) Len() int { return len(s) }
func (s sortableSliceOfInt) Less(i, j int) bool { return lessInt(s[i], s[j]) }
func (s sortableSliceOfInt) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// List returns the contents as a sorted int slice.
func (s Int) List() []int {
res := make(sortableSliceOfInt, 0, len(s))
for key := range s {
res = append(res, key)
}
sort.Sort(res)
return []int(res)
}
// Returns a single element from the set.
func (s Int) PopAny() (int, bool) {
for key := range s {
s.Delete(key)
return key, true
}
var zeroValue int
return zeroValue, false
}
// Len returns the size of the set.
func (s Int) Len() int {
return len(s)
}
func lessInt(lhs, rhs int) bool {
return lhs < rhs
}

196
pkg/util/sets/int64.go Normal file
View File

@ -0,0 +1,196 @@
/*
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.
*/
// This file was autogenerated by the command:
// $ cmd/libs/go2idl/set-gen/set-gen
// Do not edit it manually!
package sets
import (
"reflect"
"sort"
)
// sets.Int64 is a set of int64s, implemented via map[int64]struct{} for minimal memory consumption.
type Int64 map[int64]Empty
// New creates a Int64 from a list of values.
func NewInt64(items ...int64) Int64 {
ss := Int64{}
ss.Insert(items...)
return ss
}
// Int64KeySet creates a Int64 from a keys of a map[int64](? extends interface{}).
// If the value passed in is not actually a map, this will panic.
func Int64KeySet(theMap interface{}) Int64 {
v := reflect.ValueOf(theMap)
ret := Int64{}
for _, keyValue := range v.MapKeys() {
ret.Insert(keyValue.Interface().(int64))
}
return ret
}
// Insert adds items to the set.
func (s Int64) Insert(items ...int64) {
for _, item := range items {
s[item] = Empty{}
}
}
// Delete removes all items from the set.
func (s Int64) Delete(items ...int64) {
for _, item := range items {
delete(s, item)
}
}
// Has returns true if and only if item is contained in the set.
func (s Int64) Has(item int64) bool {
_, contained := s[item]
return contained
}
// HasAll returns true if and only if all items are contained in the set.
func (s Int64) HasAll(items ...int64) bool {
for _, item := range items {
if !s.Has(item) {
return false
}
}
return true
}
// HasAny returns true if any items are contained in the set.
func (s Int64) HasAny(items ...int64) bool {
for _, item := range items {
if s.Has(item) {
return true
}
}
return false
}
// Difference returns a set of objects that are not in s2
// For example:
// s1 = {a1, a2, a3}
// s2 = {a1, a2, a4, a5}
// s1.Difference(s2) = {a3}
// s2.Difference(s1) = {a4, a5}
func (s Int64) Difference(s2 Int64) Int64 {
result := NewInt64()
for key := range s {
if !s2.Has(key) {
result.Insert(key)
}
}
return result
}
// Union returns a new set which includes items in either s1 or s2.
// For example:
// s1 = {a1, a2}
// s2 = {a3, a4}
// s1.Union(s2) = {a1, a2, a3, a4}
// s2.Union(s1) = {a1, a2, a3, a4}
func (s1 Int64) Union(s2 Int64) Int64 {
result := NewInt64()
for key := range s1 {
result.Insert(key)
}
for key := range s2 {
result.Insert(key)
}
return result
}
// Intersection returns a new set which includes the item in BOTH s1 and s2
// For example:
// s1 = {a1, a2}
// s2 = {a2, a3}
// s1.Intersection(s2) = {a2}
func (s1 Int64) Intersection(s2 Int64) Int64 {
var walk, other Int64
result := NewInt64()
if s1.Len() < s2.Len() {
walk = s1
other = s2
} else {
walk = s2
other = s1
}
for key := range walk {
if other.Has(key) {
result.Insert(key)
}
}
return result
}
// IsSuperset returns true if and only if s1 is a superset of s2.
func (s1 Int64) IsSuperset(s2 Int64) bool {
for item := range s2 {
if !s1.Has(item) {
return false
}
}
return true
}
// Equal returns true if and only if s1 is equal (as a set) to s2.
// Two sets are equal if their membership is identical.
// (In practice, this means same elements, order doesn't matter)
func (s1 Int64) Equal(s2 Int64) bool {
return len(s1) == len(s2) && s1.IsSuperset(s2)
}
type sortableSliceOfInt64 []int64
func (s sortableSliceOfInt64) Len() int { return len(s) }
func (s sortableSliceOfInt64) Less(i, j int) bool { return lessInt64(s[i], s[j]) }
func (s sortableSliceOfInt64) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// List returns the contents as a sorted int64 slice.
func (s Int64) List() []int64 {
res := make(sortableSliceOfInt64, 0, len(s))
for key := range s {
res = append(res, key)
}
sort.Sort(res)
return []int64(res)
}
// Returns a single element from the set.
func (s Int64) PopAny() (int64, bool) {
for key := range s {
s.Delete(key)
return key, true
}
var zeroValue int64
return zeroValue, false
}
// Len returns the size of the set.
func (s Int64) Len() int {
return len(s)
}
func lessInt64(lhs, rhs int64) bool {
return lhs < rhs
}

View File

@ -1,5 +1,5 @@
/*
Copyright 2014 The Kubernetes Authors All rights reserved.
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.
@ -14,6 +14,10 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
// This file was autogenerated by the command:
// $ cmd/libs/go2idl/set-gen/set-gen
// Do not edit it manually!
package sets
import (
@ -21,29 +25,25 @@ import (
"sort"
)
// Empty is public since it is used by some internal API objects for conversions between external
// string arrays and internal sets, and conversion logic requires public types today.
type Empty struct{}
// StringSet is a set of strings, implemented via map[string]struct{} for minimal memory consumption.
// sets.String is a set of strings, implemented via map[string]struct{} for minimal memory consumption.
type String map[string]Empty
// New creates a StringSet from a list of values.
// New creates a String from a list of values.
func NewString(items ...string) String {
ss := String{}
ss.Insert(items...)
return ss
}
// KeySet creates a StringSet from a keys of a map[string](? extends interface{}). Since you can't describe that map type in the Go type system
// the reflected value is required.
func KeySet(theMap reflect.Value) String {
// StringKeySet creates a String from a keys of a map[string](? extends interface{}).
// If the value passed in is not actually a map, this will panic.
func StringKeySet(theMap interface{}) String {
v := reflect.ValueOf(theMap)
ret := String{}
for _, keyValue := range theMap.MapKeys() {
ret.Insert(keyValue.String())
for _, keyValue := range v.MapKeys() {
ret.Insert(keyValue.Interface().(string))
}
return ret
}
@ -89,10 +89,10 @@ func (s String) HasAny(items ...string) bool {
// Difference returns a set of objects that are not in s2
// For example:
// s1 = {1, 2, 3}
// s2 = {1, 2, 4, 5}
// s1.Difference(s2) = {3}
// s2.Difference(s1) = {4, 5}
// s1 = {a1, a2, a3}
// s2 = {a1, a2, a4, a5}
// s1.Difference(s2) = {a3}
// s2.Difference(s1) = {a4, a5}
func (s String) Difference(s2 String) String {
result := NewString()
for key := range s {
@ -104,12 +104,11 @@ func (s String) Difference(s2 String) String {
}
// Union returns a new set which includes items in either s1 or s2.
// vof objects that are not in s2
// For example:
// s1 = {1, 2}
// s2 = {3, 4}
// s1.Union(s2) = {1, 2, 3, 4}
// s2.Union(s1) = {1, 2, 3, 4}
// s1 = {a1, a2}
// s2 = {a3, a4}
// s1.Union(s2) = {a1, a2, a3, a4}
// s2.Union(s1) = {a1, a2, a3, a4}
func (s1 String) Union(s2 String) String {
result := NewString()
for key := range s1 {
@ -123,9 +122,9 @@ func (s1 String) Union(s2 String) String {
// Intersection returns a new set which includes the item in BOTH s1 and s2
// For example:
// s1 = {1, 2}
// s2 = {2, 3}
// s1.Intersection(s2) = {2}
// s1 = {a1, a2}
// s2 = {a2, a3}
// s1.Intersection(s2) = {a2}
func (s1 String) Intersection(s2 String) String {
var walk, other String
result := NewString()
@ -158,25 +157,23 @@ func (s1 String) IsSuperset(s2 String) bool {
// Two sets are equal if their membership is identical.
// (In practice, this means same elements, order doesn't matter)
func (s1 String) Equal(s2 String) bool {
if len(s1) != len(s2) {
return false
}
for item := range s2 {
if !s1.Has(item) {
return false
}
}
return true
return len(s1) == len(s2) && s1.IsSuperset(s2)
}
type sortableSliceOfString []string
func (s sortableSliceOfString) Len() int { return len(s) }
func (s sortableSliceOfString) Less(i, j int) bool { return lessString(s[i], s[j]) }
func (s sortableSliceOfString) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// List returns the contents as a sorted string slice.
func (s String) List() []string {
res := make([]string, 0, len(s))
res := make(sortableSliceOfString, 0, len(s))
for key := range s {
res = append(res, key)
}
sort.StringSlice(res).Sort()
return res
sort.Sort(res)
return []string(res)
}
// Returns a single element from the set.
@ -185,10 +182,15 @@ func (s String) PopAny() (string, bool) {
s.Delete(key)
return key, true
}
return "", false
var zeroValue string
return zeroValue, false
}
// Len returns the size of the set.
func (s String) Len() int {
return len(s)
}
func lessString(lhs, rhs string) bool {
return lhs < rhs
}

View File

@ -0,0 +1,30 @@
/*
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 types just provides input types to the set generator. It also
// contains a "go generate" block. (You must first `go install`
// cmd/libs/go2idl/set-gen.)
package types
//go:generate set-gen -i k8s.io/kubernetes/pkg/util/sets/types
type ReferenceSetTypes struct {
// These types all cause files to be generated
a int64
b int
c byte
d string
}