1 files changed, 92 insertions, 0 deletions
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/raw.go b/vendor/go.mongodb.org/mongo-driver/bson/raw.go
new file mode 100644
index 0000000000..2aae9f56ab
--- /dev/null
+++ b/vendor/go.mongodb.org/mongo-driver/bson/raw.go
@@ -0,0 +1,92 @@
+// 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 bson
+
+import (
+	"errors"
+	"io"
+
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+// ErrNilReader indicates that an operation was attempted on a nil bson.Reader.
+var ErrNilReader = errors.New("nil reader")
+var errValidateDone = errors.New("validation loop complete")
+
+// Raw is a wrapper around a byte slice. It will interpret the slice as a
+// BSON document. This type is a wrapper around a bsoncore.Document. Errors returned from the
+// methods on this type and associated types come from the bsoncore package.
+type Raw []byte
+
+// NewFromIOReader reads in a document from the given io.Reader and constructs a Raw from
+// it.
+func NewFromIOReader(r io.Reader) (Raw, error) {
+	doc, err := bsoncore.NewDocumentFromReader(r)
+	return Raw(doc), err
+}
+
+// Validate validates the document. This method only validates the first document in
+// the slice, to validate other documents, the slice must be resliced.
+func (r Raw) Validate() (err error) { return bsoncore.Document(r).Validate() }
+
+// Lookup search the document, potentially recursively, for the given key. If
+// there are multiple keys provided, this method will recurse down, as long as
+// the top and intermediate nodes are either documents or arrays.If an error
+// occurs or if the value doesn't exist, an empty RawValue is returned.
+func (r Raw) Lookup(key ...string) RawValue {
+	return convertFromCoreValue(bsoncore.Document(r).Lookup(key...))
+}
+
+// LookupErr searches the document and potentially subdocuments or arrays for the
+// provided key. Each key provided to this method represents a layer of depth.
+func (r Raw) LookupErr(key ...string) (RawValue, error) {
+	val, err := bsoncore.Document(r).LookupErr(key...)
+	return convertFromCoreValue(val), err
+}
+
+// Elements returns this document as a slice of elements. The returned slice will contain valid
+// elements. If the document is not valid, the elements up to the invalid point will be returned
+// along with an error.
+func (r Raw) Elements() ([]RawElement, error) {
+	elems, err := bsoncore.Document(r).Elements()
+	relems := make([]RawElement, 0, len(elems))
+	for _, elem := range elems {
+		relems = append(relems, RawElement(elem))
+	}
+	return relems, err
+}
+
+// Values returns this document as a slice of values. The returned slice will contain valid values.
+// If the document is not valid, the values up to the invalid point will be returned along with an
+// error.
+func (r Raw) Values() ([]RawValue, error) {
+	vals, err := bsoncore.Document(r).Values()
+	rvals := make([]RawValue, 0, len(vals))
+	for _, val := range vals {
+		rvals = append(rvals, convertFromCoreValue(val))
+	}
+	return rvals, err
+}
+
+// Index searches for and retrieves the element at the given index. This method will panic if
+// the document is invalid or if the index is out of bounds.
+func (r Raw) Index(index uint) RawElement { return RawElement(bsoncore.Document(r).Index(index)) }
+
+// IndexErr searches for and retrieves the element at the given index.
+func (r Raw) IndexErr(index uint) (RawElement, error) {
+	elem, err := bsoncore.Document(r).IndexErr(index)
+	return RawElement(elem), err
+}
+
+// String implements the fmt.Stringer interface.
+func (r Raw) String() string { return bsoncore.Document(r).String() }
+
+// readi32 is a helper function for reading an int32 from slice of bytes.
+func readi32(b []byte) int32 {
+	_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+	return int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24
+}