mirror of https://github.com/k3s-io/k3s
107 lines
3.2 KiB
Go
107 lines
3.2 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package schema
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// Visitor recursively walks through a structural schema.
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type Visitor struct {
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// Structural is called on each Structural node in the schema, before recursing into
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// the subtrees. It is allowed to mutate s. Return true if something has been changed.
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// +optional
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Structural func(s *Structural) bool
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// NestedValueValidation is called on each NestedValueValidation node in the schema,
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// before recursing into subtrees. It is allowed to mutate vv. Return true if something
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// has been changed.
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// +optional
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NestedValueValidation func(vv *NestedValueValidation) bool
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}
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// Visit recursively walks through the structural schema and calls the given callbacks
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// at each node of those types.
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func (m *Visitor) Visit(s *Structural) {
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m.visitStructural(s)
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}
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func (m *Visitor) visitStructural(s *Structural) bool {
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ret := false
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if m.Structural != nil {
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ret = m.Structural(s)
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}
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if s.Items != nil {
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m.visitStructural(s.Items)
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}
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for k, v := range s.Properties {
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if changed := m.visitStructural(&v); changed {
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ret = true
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s.Properties[k] = v
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}
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}
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if s.Generic.AdditionalProperties != nil && s.Generic.AdditionalProperties.Structural != nil {
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m.visitStructural(s.Generic.AdditionalProperties.Structural)
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}
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if s.ValueValidation != nil {
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for i := range s.ValueValidation.AllOf {
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m.visitNestedValueValidation(&s.ValueValidation.AllOf[i])
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}
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for i := range s.ValueValidation.AnyOf {
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m.visitNestedValueValidation(&s.ValueValidation.AnyOf[i])
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}
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for i := range s.ValueValidation.OneOf {
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m.visitNestedValueValidation(&s.ValueValidation.OneOf[i])
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}
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if s.ValueValidation.Not != nil {
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m.visitNestedValueValidation(s.ValueValidation.Not)
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}
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}
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return ret
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}
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func (m *Visitor) visitNestedValueValidation(vv *NestedValueValidation) bool {
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ret := false
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if m.NestedValueValidation != nil {
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ret = m.NestedValueValidation(vv)
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}
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if vv.Items != nil {
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m.visitNestedValueValidation(vv.Items)
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}
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for k, v := range vv.Properties {
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if changed := m.visitNestedValueValidation(&v); changed {
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ret = true
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vv.Properties[k] = v
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}
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}
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if vv.ForbiddenGenerics.AdditionalProperties != nil && vv.ForbiddenGenerics.AdditionalProperties.Structural != nil {
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m.visitStructural(vv.ForbiddenGenerics.AdditionalProperties.Structural)
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}
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for i := range vv.ValueValidation.AllOf {
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m.visitNestedValueValidation(&vv.ValueValidation.AllOf[i])
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}
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for i := range vv.ValueValidation.AnyOf {
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m.visitNestedValueValidation(&vv.ValueValidation.AnyOf[i])
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}
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for i := range vv.ValueValidation.OneOf {
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m.visitNestedValueValidation(&vv.ValueValidation.OneOf[i])
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}
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if vv.ValueValidation.Not != nil {
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m.visitNestedValueValidation(vv.ValueValidation.Not)
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}
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return ret
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}
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