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author | dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com> | 2020-05-05 08:57:17 +0000 |
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committer | Daniel J Walsh <dwalsh@redhat.com> | 2020-05-05 13:35:55 -0400 |
commit | 2f0bc5ff1cde9afb595868b92dd123478af9ef74 (patch) | |
tree | d620dce86657a325eb82b251f95e9cd4903ca80f /vendor/sigs.k8s.io/structured-merge-diff/v3/value/mapreflect.go | |
parent | e1be837a4ff149e00ff6af9e71cf9ea625e33e6f (diff) | |
download | podman-2f0bc5ff1cde9afb595868b92dd123478af9ef74.tar.gz podman-2f0bc5ff1cde9afb595868b92dd123478af9ef74.tar.bz2 podman-2f0bc5ff1cde9afb595868b92dd123478af9ef74.zip |
Bump k8s.io/api from 0.17.4 to 0.18.2
Bumps [k8s.io/api](https://github.com/kubernetes/api) from 0.17.4 to 0.18.2.
- [Release notes](https://github.com/kubernetes/api/releases)
- [Commits](https://github.com/kubernetes/api/compare/v0.17.4...v0.18.2)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'vendor/sigs.k8s.io/structured-merge-diff/v3/value/mapreflect.go')
-rw-r--r-- | vendor/sigs.k8s.io/structured-merge-diff/v3/value/mapreflect.go | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/vendor/sigs.k8s.io/structured-merge-diff/v3/value/mapreflect.go b/vendor/sigs.k8s.io/structured-merge-diff/v3/value/mapreflect.go new file mode 100644 index 000000000..dc8b8c720 --- /dev/null +++ b/vendor/sigs.k8s.io/structured-merge-diff/v3/value/mapreflect.go @@ -0,0 +1,209 @@ +/* +Copyright 2019 The Kubernetes Authors. + +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 value + +import ( + "reflect" +) + +type mapReflect struct { + valueReflect +} + +func (r mapReflect) Length() int { + val := r.Value + return val.Len() +} + +func (r mapReflect) Empty() bool { + val := r.Value + return val.Len() == 0 +} + +func (r mapReflect) Get(key string) (Value, bool) { + return r.GetUsing(HeapAllocator, key) +} + +func (r mapReflect) GetUsing(a Allocator, key string) (Value, bool) { + k, v, ok := r.get(key) + if !ok { + return nil, false + } + return a.allocValueReflect().mustReuse(v, nil, &r.Value, &k), true +} + +func (r mapReflect) get(k string) (key, value reflect.Value, ok bool) { + mapKey := r.toMapKey(k) + val := r.Value.MapIndex(mapKey) + return mapKey, val, val.IsValid() && val != reflect.Value{} +} + +func (r mapReflect) Has(key string) bool { + var val reflect.Value + val = r.Value.MapIndex(r.toMapKey(key)) + if !val.IsValid() { + return false + } + return val != reflect.Value{} +} + +func (r mapReflect) Set(key string, val Value) { + r.Value.SetMapIndex(r.toMapKey(key), reflect.ValueOf(val.Unstructured())) +} + +func (r mapReflect) Delete(key string) { + val := r.Value + val.SetMapIndex(r.toMapKey(key), reflect.Value{}) +} + +// TODO: Do we need to support types that implement json.Marshaler and are used as string keys? +func (r mapReflect) toMapKey(key string) reflect.Value { + val := r.Value + return reflect.ValueOf(key).Convert(val.Type().Key()) +} + +func (r mapReflect) Iterate(fn func(string, Value) bool) bool { + return r.IterateUsing(HeapAllocator, fn) +} + +func (r mapReflect) IterateUsing(a Allocator, fn func(string, Value) bool) bool { + if r.Value.Len() == 0 { + return true + } + v := a.allocValueReflect() + defer a.Free(v) + return eachMapEntry(r.Value, func(e *TypeReflectCacheEntry, key reflect.Value, value reflect.Value) bool { + return fn(key.String(), v.mustReuse(value, e, &r.Value, &key)) + }) +} + +func eachMapEntry(val reflect.Value, fn func(*TypeReflectCacheEntry, reflect.Value, reflect.Value) bool) bool { + iter := val.MapRange() + entry := TypeReflectEntryOf(val.Type().Elem()) + for iter.Next() { + next := iter.Value() + if !next.IsValid() { + continue + } + if !fn(entry, iter.Key(), next) { + return false + } + } + return true +} + +func (r mapReflect) Unstructured() interface{} { + result := make(map[string]interface{}, r.Length()) + r.Iterate(func(s string, value Value) bool { + result[s] = value.Unstructured() + return true + }) + return result +} + +func (r mapReflect) Equals(m Map) bool { + return r.EqualsUsing(HeapAllocator, m) +} + +func (r mapReflect) EqualsUsing(a Allocator, m Map) bool { + lhsLength := r.Length() + rhsLength := m.Length() + if lhsLength != rhsLength { + return false + } + if lhsLength == 0 { + return true + } + vr := a.allocValueReflect() + defer a.Free(vr) + entry := TypeReflectEntryOf(r.Value.Type().Elem()) + return m.Iterate(func(key string, value Value) bool { + _, lhsVal, ok := r.get(key) + if !ok { + return false + } + return Equals(vr.mustReuse(lhsVal, entry, nil, nil), value) + }) +} + +func (r mapReflect) Zip(other Map, order MapTraverseOrder, fn func(key string, lhs, rhs Value) bool) bool { + return r.ZipUsing(HeapAllocator, other, order, fn) +} + +func (r mapReflect) ZipUsing(a Allocator, other Map, order MapTraverseOrder, fn func(key string, lhs, rhs Value) bool) bool { + if otherMapReflect, ok := other.(*mapReflect); ok && order == Unordered { + return r.unorderedReflectZip(a, otherMapReflect, fn) + } + return defaultMapZip(a, &r, other, order, fn) +} + +// unorderedReflectZip provides an optimized unordered zip for mapReflect types. +func (r mapReflect) unorderedReflectZip(a Allocator, other *mapReflect, fn func(key string, lhs, rhs Value) bool) bool { + if r.Empty() && (other == nil || other.Empty()) { + return true + } + + lhs := r.Value + lhsEntry := TypeReflectEntryOf(lhs.Type().Elem()) + + // map lookup via reflection is expensive enough that it is better to keep track of visited keys + visited := map[string]struct{}{} + + vlhs, vrhs := a.allocValueReflect(), a.allocValueReflect() + defer a.Free(vlhs) + defer a.Free(vrhs) + + if other != nil { + rhs := other.Value + rhsEntry := TypeReflectEntryOf(rhs.Type().Elem()) + iter := rhs.MapRange() + + for iter.Next() { + key := iter.Key() + keyString := key.String() + next := iter.Value() + if !next.IsValid() { + continue + } + rhsVal := vrhs.mustReuse(next, rhsEntry, &rhs, &key) + visited[keyString] = struct{}{} + var lhsVal Value + if _, v, ok := r.get(keyString); ok { + lhsVal = vlhs.mustReuse(v, lhsEntry, &lhs, &key) + } + if !fn(keyString, lhsVal, rhsVal) { + return false + } + } + } + + iter := lhs.MapRange() + for iter.Next() { + key := iter.Key() + if _, ok := visited[key.String()]; ok { + continue + } + next := iter.Value() + if !next.IsValid() { + continue + } + if !fn(key.String(), vlhs.mustReuse(next, lhsEntry, &lhs, &key), nil) { + return false + } + } + return true +} |