typename.go

Documentation: k8s.io/kubectl/pkg/explain

     1  /*
     2  Copyright 2017 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package explain
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"k8s.io/kube-openapi/pkg/util/proto"
    23  )
    24  
    25  // typeName finds the name of a schema
    26  type typeName struct {
    27  	Name string
    28  }
    29  
    30  var _ proto.SchemaVisitor = &typeName{}
    31  
    32  // VisitArray adds the [] prefix and recurses.
    33  func (t *typeName) VisitArray(a *proto.Array) {
    34  	s := &typeName{}
    35  	a.SubType.Accept(s)
    36  	t.Name = fmt.Sprintf("[]%s", s.Name)
    37  }
    38  
    39  // VisitKind just returns "Object".
    40  func (t *typeName) VisitKind(k *proto.Kind) {
    41  	t.Name = "Object"
    42  }
    43  
    44  // VisitMap adds the map[string] prefix and recurses.
    45  func (t *typeName) VisitMap(m *proto.Map) {
    46  	s := &typeName{}
    47  	m.SubType.Accept(s)
    48  	t.Name = fmt.Sprintf("map[string]%s", s.Name)
    49  }
    50  
    51  // VisitPrimitive returns the name of the primitive.
    52  func (t *typeName) VisitPrimitive(p *proto.Primitive) {
    53  	t.Name = p.Type
    54  }
    55  
    56  // VisitReference is just a passthrough.
    57  func (t *typeName) VisitReference(r proto.Reference) {
    58  	r.SubSchema().Accept(t)
    59  }
    60  
    61  // GetTypeName returns the type of a schema.
    62  func GetTypeName(schema proto.Schema) string {
    63  	t := &typeName{}
    64  	schema.Accept(t)
    65  	return t.Name
    66  }
    67
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