compiler/objectivec/message_field.h

0001 // Protocol Buffers - Google's data interchange format
0002 // Copyright 2008 Google Inc.  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_OBJECTIVEC_MESSAGE_FIELD_H__
0009 #define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_MESSAGE_FIELD_H__
0010
0011 #include <string>
0012
0013 #include "absl/container/btree_set.h"
0014 #include "absl/container/flat_hash_set.h"
0015 #include "google/protobuf/compiler/objectivec/field.h"
0016 #include "google/protobuf/compiler/objectivec/options.h"
0017 #include "google/protobuf/descriptor.h"
0018
0019 namespace google {
0020 namespace protobuf {
0021 namespace compiler {
0022 namespace objectivec {
0023
0024 class MessageFieldGenerator : public ObjCObjFieldGenerator {
0025   friend FieldGenerator* FieldGenerator::Make(
0026       const FieldDescriptor* field,
0027       const GenerationOptions& generation_options);
0028
0029  protected:
0030   MessageFieldGenerator(const FieldDescriptor* descriptor,
0031                         const GenerationOptions& generation_options);
0032   ~MessageFieldGenerator() override = default;
0033
0034   MessageFieldGenerator(const MessageFieldGenerator&) = delete;
0035   MessageFieldGenerator& operator=(const MessageFieldGenerator&) = delete;
0036
0037  public:
0038   void DetermineForwardDeclarations(absl::btree_set<std::string>* fwd_decls,
0039                                     bool include_external_types) const override;
0040   void DetermineObjectiveCClassDefinitions(
0041       absl::btree_set<std::string>* fwd_decls) const override;
0042   void DetermineNeededFiles(
0043       absl::flat_hash_set<const FileDescriptor*>* deps) const override;
0044 };
0045
0046 class RepeatedMessageFieldGenerator : public RepeatedFieldGenerator {
0047   friend FieldGenerator* FieldGenerator::Make(
0048       const FieldDescriptor* field,
0049       const GenerationOptions& generation_options);
0050
0051  protected:
0052   RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor,
0053                                 const GenerationOptions& generation_options);
0054   ~RepeatedMessageFieldGenerator() override = default;
0055
0056   RepeatedMessageFieldGenerator(const RepeatedMessageFieldGenerator&) = delete;
0057   RepeatedMessageFieldGenerator operator=(
0058       const RepeatedMessageFieldGenerator&) = delete;
0059
0060  public:
0061   void DetermineForwardDeclarations(absl::btree_set<std::string>* fwd_decls,
0062                                     bool include_external_types) const override;
0063   void DetermineObjectiveCClassDefinitions(
0064       absl::btree_set<std::string>* fwd_decls) const override;
0065   void DetermineNeededFiles(
0066       absl::flat_hash_set<const FileDescriptor*>* deps) const override;
0067 };
0068
0069 }  // namespace objectivec
0070 }  // namespace compiler
0071 }  // namespace protobuf
0072 }  // namespace google
0073
0074 #endif  // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_MESSAGE_FIELD_H__