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sslobodrd046be82019-01-16 10:02:22 -05001/*
2Copyright The Kubernetes Authors.
3
4Licensed under the Apache License, Version 2.0 (the "License");
5you may not use this file except in compliance with the License.
6You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10Unless required by applicable law or agreed to in writing, software
11distributed under the License is distributed on an "AS IS" BASIS,
12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13See the License for the specific language governing permissions and
14limitations under the License.
15*/
16
17// Code generated by set-gen. DO NOT EDIT.
18
19package sets
20
21import (
22 "reflect"
23 "sort"
24)
25
26// sets.String is a set of strings, implemented via map[string]struct{} for minimal memory consumption.
27type String map[string]Empty
28
29// NewString creates a String from a list of values.
30func NewString(items ...string) String {
31 ss := String{}
32 ss.Insert(items...)
33 return ss
34}
35
36// StringKeySet creates a String from a keys of a map[string](? extends interface{}).
37// If the value passed in is not actually a map, this will panic.
38func StringKeySet(theMap interface{}) String {
39 v := reflect.ValueOf(theMap)
40 ret := String{}
41
42 for _, keyValue := range v.MapKeys() {
43 ret.Insert(keyValue.Interface().(string))
44 }
45 return ret
46}
47
48// Insert adds items to the set.
49func (s String) Insert(items ...string) {
50 for _, item := range items {
51 s[item] = Empty{}
52 }
53}
54
55// Delete removes all items from the set.
56func (s String) Delete(items ...string) {
57 for _, item := range items {
58 delete(s, item)
59 }
60}
61
62// Has returns true if and only if item is contained in the set.
63func (s String) Has(item string) bool {
64 _, contained := s[item]
65 return contained
66}
67
68// HasAll returns true if and only if all items are contained in the set.
69func (s String) HasAll(items ...string) bool {
70 for _, item := range items {
71 if !s.Has(item) {
72 return false
73 }
74 }
75 return true
76}
77
78// HasAny returns true if any items are contained in the set.
79func (s String) HasAny(items ...string) bool {
80 for _, item := range items {
81 if s.Has(item) {
82 return true
83 }
84 }
85 return false
86}
87
88// Difference returns a set of objects that are not in s2
89// For example:
90// s1 = {a1, a2, a3}
91// s2 = {a1, a2, a4, a5}
92// s1.Difference(s2) = {a3}
93// s2.Difference(s1) = {a4, a5}
94func (s String) Difference(s2 String) String {
95 result := NewString()
96 for key := range s {
97 if !s2.Has(key) {
98 result.Insert(key)
99 }
100 }
101 return result
102}
103
104// Union returns a new set which includes items in either s1 or s2.
105// For example:
106// s1 = {a1, a2}
107// s2 = {a3, a4}
108// s1.Union(s2) = {a1, a2, a3, a4}
109// s2.Union(s1) = {a1, a2, a3, a4}
110func (s1 String) Union(s2 String) String {
111 result := NewString()
112 for key := range s1 {
113 result.Insert(key)
114 }
115 for key := range s2 {
116 result.Insert(key)
117 }
118 return result
119}
120
121// Intersection returns a new set which includes the item in BOTH s1 and s2
122// For example:
123// s1 = {a1, a2}
124// s2 = {a2, a3}
125// s1.Intersection(s2) = {a2}
126func (s1 String) Intersection(s2 String) String {
127 var walk, other String
128 result := NewString()
129 if s1.Len() < s2.Len() {
130 walk = s1
131 other = s2
132 } else {
133 walk = s2
134 other = s1
135 }
136 for key := range walk {
137 if other.Has(key) {
138 result.Insert(key)
139 }
140 }
141 return result
142}
143
144// IsSuperset returns true if and only if s1 is a superset of s2.
145func (s1 String) IsSuperset(s2 String) bool {
146 for item := range s2 {
147 if !s1.Has(item) {
148 return false
149 }
150 }
151 return true
152}
153
154// Equal returns true if and only if s1 is equal (as a set) to s2.
155// Two sets are equal if their membership is identical.
156// (In practice, this means same elements, order doesn't matter)
157func (s1 String) Equal(s2 String) bool {
158 return len(s1) == len(s2) && s1.IsSuperset(s2)
159}
160
161type sortableSliceOfString []string
162
163func (s sortableSliceOfString) Len() int { return len(s) }
164func (s sortableSliceOfString) Less(i, j int) bool { return lessString(s[i], s[j]) }
165func (s sortableSliceOfString) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
166
167// List returns the contents as a sorted string slice.
168func (s String) List() []string {
169 res := make(sortableSliceOfString, 0, len(s))
170 for key := range s {
171 res = append(res, key)
172 }
173 sort.Sort(res)
174 return []string(res)
175}
176
177// UnsortedList returns the slice with contents in random order.
178func (s String) UnsortedList() []string {
179 res := make([]string, 0, len(s))
180 for key := range s {
181 res = append(res, key)
182 }
183 return res
184}
185
186// Returns a single element from the set.
187func (s String) PopAny() (string, bool) {
188 for key := range s {
189 s.Delete(key)
190 return key, true
191 }
192 var zeroValue string
193 return zeroValue, false
194}
195
196// Len returns the size of the set.
197func (s String) Len() int {
198 return len(s)
199}
200
201func lessString(lhs, rhs string) bool {
202 return lhs < rhs
203}