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builderversion.go
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builderversion.go
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// Copyright © 2021, 2022 Attestant Limited.
// 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 spec
import (
"fmt"
"strings"
)
// BuilderVersion defines the builder spec version.
type BuilderVersion uint64
const (
// BuilderVersionV1 is applicable for the V1 release of the builder spec.
BuilderVersionV1 BuilderVersion = iota
)
var responseBuilderVersionStrings = [...]string{
"V1",
}
// MarshalJSON implements json.Marshaler.
func (d *BuilderVersion) MarshalJSON() ([]byte, error) {
return []byte(fmt.Sprintf("%q", responseBuilderVersionStrings[*d])), nil
}
// UnmarshalJSON implements json.Unmarshaler.
func (d *BuilderVersion) UnmarshalJSON(input []byte) error {
var err error
switch strings.ToUpper(string(input)) {
case `"V1"`:
*d = BuilderVersionV1
default:
err = fmt.Errorf("unrecognised response version %s", string(input))
}
return err
}
// String returns a string representation of the struct.
func (d BuilderVersion) String() string {
if int(d) >= len(responseBuilderVersionStrings) {
return "unknown"
}
return responseBuilderVersionStrings[d]
}