diff options
Diffstat (limited to 'vendor/sigs.k8s.io/structured-merge-diff/v3/value/listreflect.go')
-rw-r--r-- | vendor/sigs.k8s.io/structured-merge-diff/v3/value/listreflect.go | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/vendor/sigs.k8s.io/structured-merge-diff/v3/value/listreflect.go b/vendor/sigs.k8s.io/structured-merge-diff/v3/value/listreflect.go new file mode 100644 index 000000000..197d4c921 --- /dev/null +++ b/vendor/sigs.k8s.io/structured-merge-diff/v3/value/listreflect.go @@ -0,0 +1,98 @@ +/* +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 listReflect struct { + Value reflect.Value +} + +func (r listReflect) Length() int { + val := r.Value + return val.Len() +} + +func (r listReflect) At(i int) Value { + val := r.Value + return mustWrapValueReflect(val.Index(i), nil, nil) +} + +func (r listReflect) AtUsing(a Allocator, i int) Value { + val := r.Value + return a.allocValueReflect().mustReuse(val.Index(i), nil, nil, nil) +} + +func (r listReflect) Unstructured() interface{} { + l := r.Length() + result := make([]interface{}, l) + for i := 0; i < l; i++ { + result[i] = r.At(i).Unstructured() + } + return result +} + +func (r listReflect) Range() ListRange { + return r.RangeUsing(HeapAllocator) +} + +func (r listReflect) RangeUsing(a Allocator) ListRange { + length := r.Value.Len() + if length == 0 { + return EmptyRange + } + rr := a.allocListReflectRange() + rr.list = r.Value + rr.i = -1 + rr.entry = TypeReflectEntryOf(r.Value.Type().Elem()) + return rr +} + +func (r listReflect) Equals(other List) bool { + return r.EqualsUsing(HeapAllocator, other) +} +func (r listReflect) EqualsUsing(a Allocator, other List) bool { + if otherReflectList, ok := other.(*listReflect); ok { + return reflect.DeepEqual(r.Value.Interface(), otherReflectList.Value.Interface()) + } + return ListEqualsUsing(a, &r, other) +} + +type listReflectRange struct { + list reflect.Value + vr *valueReflect + i int + entry *TypeReflectCacheEntry +} + +func (r *listReflectRange) Next() bool { + r.i += 1 + return r.i < r.list.Len() +} + +func (r *listReflectRange) Item() (index int, value Value) { + if r.i < 0 { + panic("Item() called before first calling Next()") + } + if r.i >= r.list.Len() { + panic("Item() called on ListRange with no more items") + } + v := r.list.Index(r.i) + return r.i, r.vr.mustReuse(v, r.entry, nil, nil) +} |