73 lines
2 KiB
Go
73 lines
2 KiB
Go
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// Copyright 2019 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package client
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import (
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"github.com/json-iterator/go"
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"github.com/modern-go/reflect2"
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"strconv"
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"unsafe"
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)
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type customNumberExtension struct {
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jsoniter.DummyExtension
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}
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func (cne *customNumberExtension) CreateDecoder(typ reflect2.Type) jsoniter.ValDecoder {
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if typ.String() == "interface {}" {
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return customNumberDecoder{}
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}
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return nil
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}
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type customNumberDecoder struct {
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}
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func (customNumberDecoder) Decode(ptr unsafe.Pointer, iter *jsoniter.Iterator) {
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switch iter.WhatIsNext() {
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case jsoniter.NumberValue:
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var number jsoniter.Number
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iter.ReadVal(&number)
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i64, err := strconv.ParseInt(string(number), 10, 64)
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if err == nil {
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*(*interface{})(ptr) = i64
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return
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}
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f64, err := strconv.ParseFloat(string(number), 64)
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if err == nil {
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*(*interface{})(ptr) = f64
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return
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}
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iter.ReportError("DecodeNumber", err.Error())
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default:
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*(*interface{})(ptr) = iter.Read()
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}
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}
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// caseSensitiveJsonIterator returns a jsoniterator API that's configured to be
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// case-sensitive when unmarshalling, and otherwise compatible with
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// the encoding/json standard library.
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func caseSensitiveJsonIterator() jsoniter.API {
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config := jsoniter.Config{
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EscapeHTML: true,
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SortMapKeys: true,
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ValidateJsonRawMessage: true,
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CaseSensitive: true,
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}.Froze()
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// Force jsoniter to decode number to interface{} via int64/float64, if possible.
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config.RegisterExtension(&customNumberExtension{})
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return config
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}
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