52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
|
// Copyright (C) MongoDB, Inc. 2017-present.
|
||
|
|
//
|
||
|
|
// 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
|
||
|
|
|
||
|
|
package bsonx
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
|
||
|
|
"go.mongodb.org/mongo-driver/bson/bsontype"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ElementTypeError specifies that a method to obtain a BSON value an incorrect type was called on a bson.Value.
|
||
|
|
//
|
||
|
|
// TODO: rename this ValueTypeError.
|
||
|
|
type ElementTypeError struct {
|
||
|
|
Method string
|
||
|
|
Type bsontype.Type
|
||
|
|
}
|
||
|
|
|
||
|
|
// Error implements the error interface.
|
||
|
|
func (ete ElementTypeError) Error() string {
|
||
|
|
return "Call of " + ete.Method + " on " + ete.Type.String() + " type"
|
||
|
|
}
|
||
|
|
|
||
|
|
// Elem represents a BSON element.
|
||
|
|
//
|
||
|
|
// NOTE: Element cannot be the value of a map nor a property of a struct without special handling.
|
||
|
|
// The default encoders and decoders will not process Element correctly. To do so would require
|
||
|
|
// information loss since an Element contains a key, but the keys used when encoding a struct are
|
||
|
|
// the struct field names. Instead of using an Element, use a Value as a value in a map or a
|
||
|
|
// property of a struct.
|
||
|
|
type Elem struct {
|
||
|
|
Key string
|
||
|
|
Value Val
|
||
|
|
}
|
||
|
|
|
||
|
|
// Equal compares e and e2 and returns true if they are equal.
|
||
|
|
func (e Elem) Equal(e2 Elem) bool {
|
||
|
|
if e.Key != e2.Key {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
return e.Value.Equal(e2.Value)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (e Elem) String() string {
|
||
|
|
// TODO(GODRIVER-612): When bsoncore has appenders for extended JSON use that here.
|
||
|
|
return fmt.Sprintf(`bson.Element{"%s": %v}`, e.Key, e.Value)
|
||
|
|
}
|