52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
// Copyright (C) MongoDB, Inc. 2017-present.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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package bsonx
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import (
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"fmt"
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"go.mongodb.org/mongo-driver/bson/bsontype"
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)
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// ElementTypeError specifies that a method to obtain a BSON value an incorrect type was called on a bson.Value.
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//
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// TODO: rename this ValueTypeError.
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type ElementTypeError struct {
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Method string
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Type bsontype.Type
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}
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// Error implements the error interface.
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func (ete ElementTypeError) Error() string {
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return "Call of " + ete.Method + " on " + ete.Type.String() + " type"
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}
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// Elem represents a BSON element.
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//
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// NOTE: Element cannot be the value of a map nor a property of a struct without special handling.
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// The default encoders and decoders will not process Element correctly. To do so would require
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// information loss since an Element contains a key, but the keys used when encoding a struct are
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// the struct field names. Instead of using an Element, use a Value as a value in a map or a
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// property of a struct.
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type Elem struct {
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Key string
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Value Val
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}
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// Equal compares e and e2 and returns true if they are equal.
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func (e Elem) Equal(e2 Elem) bool {
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if e.Key != e2.Key {
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return false
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}
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return e.Value.Equal(e2.Value)
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}
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func (e Elem) String() string {
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// TODO(GODRIVER-612): When bsoncore has appenders for extended JSON use that here.
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return fmt.Sprintf(`bson.Element{"%s": %v}`, e.Key, e.Value)
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}
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