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sjson_wrapper.go
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/
sjson_wrapper.go
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// Copyright 2021 FerretDB Inc.
//
// 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 hana
import (
"regexp"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/handler/sjson"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/types"
)
const hanaSchemaSymbol = "_$"
func unmarshalHana(data []byte) (*types.Document, error) {
re := regexp.MustCompile(regexp.QuoteMeta(hanaSchemaSymbol) + `([a-z])`)
replacedData := re.ReplaceAllString(string(data), "$$$1")
doc, err := sjson.Unmarshal([]byte(replacedData))
return doc, err
}
func marshalHana(doc *types.Document) ([]byte, error) {
data, err := sjson.Marshal(doc)
if err != nil {
return nil, err
}
str := string(data)
re := regexp.MustCompile(`\$([a-z])`)
replacedStr := re.ReplaceAllString(str, hanaSchemaSymbol+"$$1")
return []byte(replacedStr), nil
}