/
array.go
61 lines (50 loc) · 1.39 KB
/
array.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 fjson
import (
"bytes"
"github.com/FerretDB/FerretDB/internal/types"
"github.com/FerretDB/FerretDB/internal/util/lazyerrors"
)
// arrayType represents BSON Array type.
type arrayType types.Array
// fjsontype implements fjsontype interface.
func (a *arrayType) fjsontype() {}
// MarshalJSON implements fjsontype interface.
func (a *arrayType) MarshalJSON() ([]byte, error) {
var buf bytes.Buffer
buf.WriteByte('[')
ta := types.Array(*a)
l := ta.Len()
for i := 0; i < l; i++ {
if i != 0 {
buf.WriteByte(',')
}
el, err := ta.Get(i)
if err != nil {
return nil, lazyerrors.Error(err)
}
b, err := Marshal(el)
if err != nil {
return nil, lazyerrors.Error(err)
}
buf.Write(b)
}
buf.WriteByte(']')
return buf.Bytes(), nil
}
// check interfaces
var (
_ fjsontype = (*arrayType)(nil)
)