| // 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" |
| |
| "github.com/mongodb/mongo-go-driver/bson/bsontype" |
| ) |
| |
| const validateMaxDepthDefault = 2048 |
| |
| // 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) |
| } |