mirror of
https://github.com/go-gitea/gitea.git
synced 2024-10-29 08:17:31 -04:00
3270e7a443
* Update go-swagger * vendor
499 lines
12 KiB
Go
Vendored
499 lines
12 KiB
Go
Vendored
// 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 bsonrw
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import (
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"encoding/base64"
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"errors"
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"fmt"
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"math"
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"strconv"
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"time"
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"go.mongodb.org/mongo-driver/bson/bsontype"
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"go.mongodb.org/mongo-driver/bson/primitive"
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)
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func wrapperKeyBSONType(key string) bsontype.Type {
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switch string(key) {
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case "$numberInt":
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return bsontype.Int32
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case "$numberLong":
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return bsontype.Int64
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case "$oid":
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return bsontype.ObjectID
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case "$symbol":
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return bsontype.Symbol
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case "$numberDouble":
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return bsontype.Double
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case "$numberDecimal":
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return bsontype.Decimal128
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case "$binary":
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return bsontype.Binary
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case "$code":
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return bsontype.JavaScript
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case "$scope":
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return bsontype.CodeWithScope
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case "$timestamp":
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return bsontype.Timestamp
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case "$regularExpression":
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return bsontype.Regex
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case "$dbPointer":
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return bsontype.DBPointer
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case "$date":
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return bsontype.DateTime
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case "$ref":
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fallthrough
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case "$id":
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fallthrough
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case "$db":
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return bsontype.EmbeddedDocument // dbrefs aren't bson types
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case "$minKey":
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return bsontype.MinKey
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case "$maxKey":
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return bsontype.MaxKey
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case "$undefined":
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return bsontype.Undefined
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}
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return bsontype.EmbeddedDocument
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}
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func (ejv *extJSONValue) parseBinary() (b []byte, subType byte, err error) {
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if ejv.t != bsontype.EmbeddedDocument {
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return nil, 0, fmt.Errorf("$binary value should be object, but instead is %s", ejv.t)
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}
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binObj := ejv.v.(*extJSONObject)
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bFound := false
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stFound := false
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for i, key := range binObj.keys {
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val := binObj.values[i]
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switch key {
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case "base64":
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if bFound {
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return nil, 0, errors.New("duplicate base64 key in $binary")
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}
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if val.t != bsontype.String {
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return nil, 0, fmt.Errorf("$binary base64 value should be string, but instead is %s", val.t)
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}
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base64Bytes, err := base64.StdEncoding.DecodeString(val.v.(string))
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if err != nil {
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return nil, 0, fmt.Errorf("invalid $binary base64 string: %s", val.v.(string))
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}
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b = base64Bytes
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bFound = true
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case "subType":
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if stFound {
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return nil, 0, errors.New("duplicate subType key in $binary")
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}
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if val.t != bsontype.String {
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return nil, 0, fmt.Errorf("$binary subType value should be string, but instead is %s", val.t)
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}
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i, err := strconv.ParseInt(val.v.(string), 16, 64)
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if err != nil {
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return nil, 0, fmt.Errorf("invalid $binary subType string: %s", val.v.(string))
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}
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subType = byte(i)
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stFound = true
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default:
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return nil, 0, fmt.Errorf("invalid key in $binary object: %s", key)
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}
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}
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if !bFound {
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return nil, 0, errors.New("missing base64 field in $binary object")
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}
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if !stFound {
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return nil, 0, errors.New("missing subType field in $binary object")
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}
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return b, subType, nil
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}
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func (ejv *extJSONValue) parseDBPointer() (ns string, oid primitive.ObjectID, err error) {
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if ejv.t != bsontype.EmbeddedDocument {
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return "", primitive.NilObjectID, fmt.Errorf("$dbPointer value should be object, but instead is %s", ejv.t)
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}
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dbpObj := ejv.v.(*extJSONObject)
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oidFound := false
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nsFound := false
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for i, key := range dbpObj.keys {
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val := dbpObj.values[i]
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switch key {
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case "$ref":
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if nsFound {
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return "", primitive.NilObjectID, errors.New("duplicate $ref key in $dbPointer")
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}
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if val.t != bsontype.String {
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return "", primitive.NilObjectID, fmt.Errorf("$dbPointer $ref value should be string, but instead is %s", val.t)
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}
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ns = val.v.(string)
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nsFound = true
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case "$id":
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if oidFound {
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return "", primitive.NilObjectID, errors.New("duplicate $id key in $dbPointer")
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}
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if val.t != bsontype.String {
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return "", primitive.NilObjectID, fmt.Errorf("$dbPointer $id value should be string, but instead is %s", val.t)
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}
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oid, err = primitive.ObjectIDFromHex(val.v.(string))
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if err != nil {
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return "", primitive.NilObjectID, err
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}
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oidFound = true
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default:
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return "", primitive.NilObjectID, fmt.Errorf("invalid key in $dbPointer object: %s", key)
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}
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}
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if !nsFound {
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return "", oid, errors.New("missing $ref field in $dbPointer object")
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}
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if !oidFound {
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return "", oid, errors.New("missing $id field in $dbPointer object")
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}
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return ns, oid, nil
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}
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const (
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rfc3339Milli = "2006-01-02T15:04:05.999Z07:00"
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)
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var (
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timeFormats = []string{rfc3339Milli, "2006-01-02T15:04:05.999Z0700"}
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)
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func (ejv *extJSONValue) parseDateTime() (int64, error) {
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switch ejv.t {
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case bsontype.Int32:
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return int64(ejv.v.(int32)), nil
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case bsontype.Int64:
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return ejv.v.(int64), nil
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case bsontype.String:
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return parseDatetimeString(ejv.v.(string))
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case bsontype.EmbeddedDocument:
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return parseDatetimeObject(ejv.v.(*extJSONObject))
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default:
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return 0, fmt.Errorf("$date value should be string or object, but instead is %s", ejv.t)
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}
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}
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func parseDatetimeString(data string) (int64, error) {
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var t time.Time
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var err error
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// try acceptable time formats until one matches
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for _, format := range timeFormats {
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t, err = time.Parse(format, data)
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if err == nil {
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break
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}
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}
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if err != nil {
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return 0, fmt.Errorf("invalid $date value string: %s", data)
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}
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return t.Unix()*1e3 + int64(t.Nanosecond())/1e6, nil
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}
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func parseDatetimeObject(data *extJSONObject) (d int64, err error) {
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dFound := false
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for i, key := range data.keys {
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val := data.values[i]
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switch key {
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case "$numberLong":
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if dFound {
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return 0, errors.New("duplicate $numberLong key in $date")
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}
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if val.t != bsontype.String {
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return 0, fmt.Errorf("$date $numberLong field should be string, but instead is %s", val.t)
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}
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d, err = val.parseInt64()
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if err != nil {
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return 0, err
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}
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dFound = true
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default:
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return 0, fmt.Errorf("invalid key in $date object: %s", key)
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}
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}
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if !dFound {
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return 0, errors.New("missing $numberLong field in $date object")
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}
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return d, nil
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}
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func (ejv *extJSONValue) parseDecimal128() (primitive.Decimal128, error) {
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if ejv.t != bsontype.String {
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return primitive.Decimal128{}, fmt.Errorf("$numberDecimal value should be string, but instead is %s", ejv.t)
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}
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d, err := primitive.ParseDecimal128(ejv.v.(string))
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if err != nil {
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return primitive.Decimal128{}, fmt.Errorf("$invalid $numberDecimal string: %s", ejv.v.(string))
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}
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return d, nil
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}
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func (ejv *extJSONValue) parseDouble() (float64, error) {
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if ejv.t == bsontype.Double {
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return ejv.v.(float64), nil
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}
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if ejv.t != bsontype.String {
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return 0, fmt.Errorf("$numberDouble value should be string, but instead is %s", ejv.t)
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}
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switch string(ejv.v.(string)) {
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case "Infinity":
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return math.Inf(1), nil
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case "-Infinity":
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return math.Inf(-1), nil
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case "NaN":
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return math.NaN(), nil
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}
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f, err := strconv.ParseFloat(ejv.v.(string), 64)
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if err != nil {
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return 0, err
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}
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return f, nil
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}
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func (ejv *extJSONValue) parseInt32() (int32, error) {
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if ejv.t == bsontype.Int32 {
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return ejv.v.(int32), nil
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}
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if ejv.t != bsontype.String {
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return 0, fmt.Errorf("$numberInt value should be string, but instead is %s", ejv.t)
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}
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i, err := strconv.ParseInt(ejv.v.(string), 10, 64)
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if err != nil {
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return 0, err
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}
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if i < math.MinInt32 || i > math.MaxInt32 {
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return 0, fmt.Errorf("$numberInt value should be int32 but instead is int64: %d", i)
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}
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return int32(i), nil
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}
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func (ejv *extJSONValue) parseInt64() (int64, error) {
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if ejv.t == bsontype.Int64 {
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return ejv.v.(int64), nil
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}
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if ejv.t != bsontype.String {
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return 0, fmt.Errorf("$numberLong value should be string, but instead is %s", ejv.t)
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}
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i, err := strconv.ParseInt(ejv.v.(string), 10, 64)
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if err != nil {
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return 0, err
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}
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return i, nil
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}
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func (ejv *extJSONValue) parseJavascript() (code string, err error) {
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if ejv.t != bsontype.String {
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return "", fmt.Errorf("$code value should be string, but instead is %s", ejv.t)
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}
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return ejv.v.(string), nil
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}
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func (ejv *extJSONValue) parseMinMaxKey(minmax string) error {
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if ejv.t != bsontype.Int32 {
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return fmt.Errorf("$%sKey value should be int32, but instead is %s", minmax, ejv.t)
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}
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if ejv.v.(int32) != 1 {
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return fmt.Errorf("$%sKey value must be 1, but instead is %d", minmax, ejv.v.(int32))
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}
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return nil
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}
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func (ejv *extJSONValue) parseObjectID() (primitive.ObjectID, error) {
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if ejv.t != bsontype.String {
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return primitive.NilObjectID, fmt.Errorf("$oid value should be string, but instead is %s", ejv.t)
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}
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return primitive.ObjectIDFromHex(ejv.v.(string))
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}
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func (ejv *extJSONValue) parseRegex() (pattern, options string, err error) {
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if ejv.t != bsontype.EmbeddedDocument {
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return "", "", fmt.Errorf("$regularExpression value should be object, but instead is %s", ejv.t)
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}
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regexObj := ejv.v.(*extJSONObject)
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patFound := false
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optFound := false
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for i, key := range regexObj.keys {
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val := regexObj.values[i]
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switch string(key) {
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case "pattern":
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if patFound {
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return "", "", errors.New("duplicate pattern key in $regularExpression")
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}
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if val.t != bsontype.String {
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return "", "", fmt.Errorf("$regularExpression pattern value should be string, but instead is %s", val.t)
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}
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pattern = val.v.(string)
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patFound = true
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case "options":
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if optFound {
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return "", "", errors.New("duplicate options key in $regularExpression")
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}
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if val.t != bsontype.String {
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return "", "", fmt.Errorf("$regularExpression options value should be string, but instead is %s", val.t)
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}
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options = val.v.(string)
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optFound = true
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default:
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return "", "", fmt.Errorf("invalid key in $regularExpression object: %s", key)
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}
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}
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if !patFound {
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return "", "", errors.New("missing pattern field in $regularExpression object")
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}
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if !optFound {
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return "", "", errors.New("missing options field in $regularExpression object")
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}
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return pattern, options, nil
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}
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func (ejv *extJSONValue) parseSymbol() (string, error) {
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if ejv.t != bsontype.String {
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return "", fmt.Errorf("$symbol value should be string, but instead is %s", ejv.t)
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}
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return ejv.v.(string), nil
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}
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func (ejv *extJSONValue) parseTimestamp() (t, i uint32, err error) {
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if ejv.t != bsontype.EmbeddedDocument {
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return 0, 0, fmt.Errorf("$timestamp value should be object, but instead is %s", ejv.t)
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}
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handleKey := func(key string, val *extJSONValue, flag bool) (uint32, error) {
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if flag {
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return 0, fmt.Errorf("duplicate %s key in $timestamp", key)
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}
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switch val.t {
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case bsontype.Int32:
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value := val.v.(int32)
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if value < 0 {
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return 0, fmt.Errorf("$timestamp %s number should be uint32: %d", key, value)
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}
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return uint32(value), nil
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case bsontype.Int64:
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value := val.v.(int64)
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if value < 0 || value > int64(math.MaxUint32) {
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return 0, fmt.Errorf("$timestamp %s number should be uint32: %d", key, value)
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}
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return uint32(value), nil
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default:
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return 0, fmt.Errorf("$timestamp %s value should be uint32, but instead is %s", key, val.t)
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}
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}
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tsObj := ejv.v.(*extJSONObject)
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tFound := false
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iFound := false
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for j, key := range tsObj.keys {
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val := tsObj.values[j]
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switch key {
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case "t":
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if t, err = handleKey(key, val, tFound); err != nil {
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return 0, 0, err
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}
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tFound = true
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case "i":
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if i, err = handleKey(key, val, iFound); err != nil {
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return 0, 0, err
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}
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iFound = true
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default:
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return 0, 0, fmt.Errorf("invalid key in $timestamp object: %s", key)
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}
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}
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if !tFound {
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return 0, 0, errors.New("missing t field in $timestamp object")
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}
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if !iFound {
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return 0, 0, errors.New("missing i field in $timestamp object")
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}
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return t, i, nil
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}
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func (ejv *extJSONValue) parseUndefined() error {
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if ejv.t != bsontype.Boolean {
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return fmt.Errorf("undefined value should be boolean, but instead is %s", ejv.t)
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}
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if !ejv.v.(bool) {
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return fmt.Errorf("$undefined balue boolean should be true, but instead is %v", ejv.v.(bool))
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}
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return nil
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}
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