rust/accessors/default_value.h

0001 // Protocol Buffers - Google's data interchange format
0002 // Copyright 2023 Google LLC.  All rights reserved.
0003 //
0004 // Use of this source code is governed by a BSD-style
0005 // license that can be found in the LICENSE file or at
0006 // https://developers.google.com/open-source/licenses/bsd
0007
0008 #ifndef GOOGLE_PROTOBUF_COMPILER_RUST_ACCESSORS_HELPERS_H__
0009 #define GOOGLE_PROTOBUF_COMPILER_RUST_ACCESSORS_HELPERS_H__
0010
0011 #include <string>
0012
0013 #include "google/protobuf/compiler/rust/context.h"
0014 #include "google/protobuf/descriptor.h"
0015
0016 namespace google {
0017 namespace protobuf {
0018 namespace compiler {
0019 namespace rust {
0020
0021 // Returns the field's default value as a Rust literal / identifier.
0022 //
0023 // Both strings and bytes are represented as a byte string literal, i.e. in the
0024 // format `b"default value here"`. It is the caller's responsibility to convert
0025 // the byte literal to an actual string, if needed.
0026 std::string DefaultValue(Context& ctx, const FieldDescriptor& field);
0027
0028 }  // namespace rust
0029 }  // namespace compiler
0030 }  // namespace protobuf
0031 }  // namespace google
0032
0033 #endif  // GOOGLE_PROTOBUF_COMPILER_RUST_ACCESSORS_HELPERS_H__