Joe Tsai d888139e7b internal/filedesc, internal/filetype: initial commit
The internal/fileinit package is split apart into two packages:
* internal/filedesc constructs descriptors from the raw proto.
It is very similar to the previous internal/fileinit package.
* internal/filetype wraps descriptors with Go type information

Overview:
* The internal/fileinit package will be deleted in a future CL.
It is kept around since the v1 repo currently depends on it.
* The internal/prototype package is deleted. All former usages of it
are now using internal/filedesc instead. Most significantly,
the reflect/protodesc package was almost entirely re-written.
* The internal/impl package drops support for messages that do not
have a Descriptor method (pre-2016). This removes a significant amount
of technical debt.
filedesc.Builder to parse raw descriptors.
* The internal/encoding/defval package now handles enum values by name.

Change-Id: I3957bcc8588a70470fd6c7de1122216b80615ab7
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/182360
Reviewed-by: Damien Neil <dneil@google.com>
2019-06-20 02:06:11 +00:00

35 lines
1023 B
Go

// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build purego appengine
package filedesc
import pref "google.golang.org/protobuf/reflect/protoreflect"
func getNameBuilder() *nameBuilder { return nil }
func putNameBuilder(*nameBuilder) {}
type nameBuilder struct{}
// MakeFullName converts b to a protoreflect.FullName,
// where b must start with a leading dot.
func (*nameBuilder) MakeFullName(b []byte) pref.FullName {
if len(b) == 0 || b[0] != '.' {
panic("name reference must be fully qualified")
}
return pref.FullName(b[1:])
}
// AppendFullName is equivalent to protoreflect.FullName.Append.
func (*nameBuilder) AppendFullName(prefix pref.FullName, name []byte) pref.FullName {
return prefix.Append(pref.Name(name))
}
// MakeString is equivalent to string(b), but optimized for large batches
// with a shared lifetime.
func (*nameBuilder) MakeString(b []byte) string {
return string(b)
}