mirror of
https://github.com/rocky-linux/peridot.git
synced 2024-11-14 01:41:23 +00:00
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
// Copyright 2016 Google LLC.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package gensupport
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"math"
|
|
)
|
|
|
|
// JSONFloat64 is a float64 that supports proper unmarshaling of special float
|
|
// values in JSON, according to
|
|
// https://developers.google.com/protocol-buffers/docs/proto3#json. Although
|
|
// that is a proto-to-JSON spec, it applies to all Google APIs.
|
|
//
|
|
// The jsonpb package
|
|
// (https://github.com/golang/protobuf/blob/master/jsonpb/jsonpb.go) has
|
|
// similar functionality, but only for direct translation from proto messages
|
|
// to JSON.
|
|
type JSONFloat64 float64
|
|
|
|
func (f *JSONFloat64) UnmarshalJSON(data []byte) error {
|
|
var ff float64
|
|
if err := json.Unmarshal(data, &ff); err == nil {
|
|
*f = JSONFloat64(ff)
|
|
return nil
|
|
}
|
|
var s string
|
|
if err := json.Unmarshal(data, &s); err == nil {
|
|
switch s {
|
|
case "NaN":
|
|
ff = math.NaN()
|
|
case "Infinity":
|
|
ff = math.Inf(1)
|
|
case "-Infinity":
|
|
ff = math.Inf(-1)
|
|
default:
|
|
return fmt.Errorf("google.golang.org/api/internal: bad float string %q", s)
|
|
}
|
|
*f = JSONFloat64(ff)
|
|
return nil
|
|
}
|
|
return errors.New("google.golang.org/api/internal: data not float or string")
|
|
}
|