You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.7 KiB
57 lines
1.7 KiB
// Copyright 2016 Google LLC
|
|
//
|
|
// 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 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")
|
|
}
|
|
|