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objectnormalization.go
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objectnormalization.go
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// Copyright 2024 Google LLC
//
// 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 e2e
import "k8s.io/klog/v2"
// fieldReplacement is a visitor that replaces the field at FindPath in a object,
// setting the value to Replace.
type fieldReplacement struct {
FindPath string
Replace any
}
// DoReplacement is the entrypoint for the fieldVisitor
func (f *fieldReplacement) DoReplacement(m map[string]any) {
f.visit(m, "")
}
func (f *fieldReplacement) visit(v any, fieldPath string) any {
switch v := v.(type) {
case map[string]any:
return f.visitMap(v, fieldPath)
case []any:
return f.visitSlice(v, fieldPath)
case string, int, int32, int64, bool, float32, float64:
return f.visitLeaf(v, fieldPath)
default:
klog.Fatalf("unsupported type %T", v)
return nil
}
}
func (f *fieldReplacement) visitSlice(s []any, fieldPath string) []any {
for i, v := range s {
s[i] = f.visit(v, fieldPath+"[]")
}
return s
}
func (f *fieldReplacement) visitMap(m map[string]any, fieldPath string) map[string]any {
for k, v := range m {
m[k] = f.visit(v, fieldPath+"."+k)
}
return m
}
func (f *fieldReplacement) visitLeaf(v any, fieldPath string) any {
if f.FindPath == fieldPath {
return f.Replace
}
return v
}