73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Added as a .go file to avoid embedding issues of the template.
|
|
|
|
package main
|
|
|
|
import "text/template"
|
|
|
|
var generatedTmpl = template.Must(template.New("generated").Parse(`
|
|
// generated by jsonenums {{.Command}}; DO NOT EDIT
|
|
|
|
package {{.PackageName}}
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
)
|
|
|
|
{{range $typename, $values := .TypesAndValues}}
|
|
|
|
var (
|
|
_{{$typename}}NameToValue = map[string]{{$typename}} {
|
|
{{range $values}}"{{.}}": {{.}},
|
|
{{end}}
|
|
}
|
|
|
|
_{{$typename}}ValueToName = map[{{$typename}}]string {
|
|
{{range $values}}{{.}}: "{{.}}",
|
|
{{end}}
|
|
}
|
|
)
|
|
|
|
func init() {
|
|
var v {{$typename}}
|
|
if _, ok := interface{}(v).(fmt.Stringer); ok {
|
|
_{{$typename}}NameToValue = map[string]{{$typename}} {
|
|
{{range $values}}interface{}({{.}}).(fmt.Stringer).String(): {{.}},
|
|
{{end}}
|
|
}
|
|
}
|
|
}
|
|
|
|
// MarshalJSON is generated so {{$typename}} satisfies json.Marshaler.
|
|
func (r {{$typename}}) MarshalJSON() ([]byte, error) {
|
|
if s, ok := interface{}(r).(fmt.Stringer); ok {
|
|
return json.Marshal(s.String())
|
|
}
|
|
s, ok := _{{$typename}}ValueToName[r]
|
|
if !ok {
|
|
return nil, fmt.Errorf("invalid {{$typename}}: %d", r)
|
|
}
|
|
return json.Marshal(s)
|
|
}
|
|
|
|
// UnmarshalJSON is generated so {{$typename}} satisfies json.Unmarshaler.
|
|
func (r *{{$typename}}) UnmarshalJSON(data []byte) error {
|
|
var s string
|
|
if err := json.Unmarshal(data, &s); err != nil {
|
|
return fmt.Errorf("{{$typename}} should be a string, got %s", data)
|
|
}
|
|
v, ok := _{{$typename}}NameToValue[s]
|
|
if !ok {
|
|
return fmt.Errorf("invalid {{$typename}} %q", s)
|
|
}
|
|
*r = v
|
|
return nil
|
|
}
|
|
|
|
{{end}}
|
|
`))
|