diff options
Diffstat (limited to 'vendor/google.golang.org/api/internal/gensupport/jsonfloat.go')
| -rw-r--r-- | vendor/google.golang.org/api/internal/gensupport/jsonfloat.go | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/google.golang.org/api/internal/gensupport/jsonfloat.go b/vendor/google.golang.org/api/internal/gensupport/jsonfloat.go new file mode 100644 index 0000000..13c2f93 --- /dev/null +++ b/vendor/google.golang.org/api/internal/gensupport/jsonfloat.go @@ -0,0 +1,47 @@ +// 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") +} |
