| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // 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 surface_v1 |
| |
| func (t *Type) addField(f *Field) { |
| t.Fields = append(t.Fields, f) |
| } |
| |
| func (s *Type) HasFieldWithName(name string) bool { |
| return s.FieldWithName(name) != nil |
| } |
| |
| func (s *Type) FieldWithName(name string) *Field { |
| if s == nil || s.Fields == nil || name == "" { |
| return nil |
| } |
| for _, f := range s.Fields { |
| if f.FieldName == name { |
| return f |
| } |
| } |
| return nil |
| } |
| |
| func (s *Type) HasFieldWithPosition(position Position) bool { |
| return s.FieldWithPosition(position) != nil |
| } |
| |
| func (s *Type) FieldWithPosition(position Position) *Field { |
| if s == nil || s.Fields == nil { |
| return nil |
| } |
| for _, f := range s.Fields { |
| if f.Position == position { |
| return f |
| } |
| } |
| return nil |
| } |