java_field.h revision fbaaef999ba563838ebd00874ed8a1c01fbf286d 
1// Protocol Buffers - Google's data interchange format
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30
31// Author: kenton@google.com (Kenton Varda)
32//  Based on original Protocol Buffers design by
33//  Sanjay Ghemawat, Jeff Dean, and others.
34
35#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
36#define GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
37
38#include <string>
39#include <google/protobuf/stubs/common.h>
40#include <google/protobuf/descriptor.h>
41
42namespace google {
43namespace protobuf {
44  namespace io {
45    class Printer;             // printer.h
46  }
47}
48
49namespace protobuf {
50namespace compiler {
51namespace java {
52
53class FieldGenerator {
54 public:
55  FieldGenerator() {}
56  virtual ~FieldGenerator();
57
58  virtual void GenerateMembers(io::Printer* printer) const = 0;
59  virtual void GenerateBuilderMembers(io::Printer* printer) const = 0;
60  virtual void GenerateMergingCode(io::Printer* printer) const = 0;
61  virtual void GenerateBuildingCode(io::Printer* printer) const = 0;
62  virtual void GenerateParsingCode(io::Printer* printer) const = 0;
63  virtual void GenerateSerializationCode(io::Printer* printer) const = 0;
64  virtual void GenerateSerializedSizeCode(io::Printer* printer) const = 0;
65
66  virtual string GetBoxedType() const = 0;
67
68 private:
69  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGenerator);
70};
71
72// Convenience class which constructs FieldGenerators for a Descriptor.
73class FieldGeneratorMap {
74 public:
75  explicit FieldGeneratorMap(const Descriptor* descriptor);
76  ~FieldGeneratorMap();
77
78  const FieldGenerator& get(const FieldDescriptor* field) const;
79  const FieldGenerator& get_extension(int index) const;
80
81 private:
82  const Descriptor* descriptor_;
83  scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
84  scoped_array<scoped_ptr<FieldGenerator> > extension_generators_;
85
86  static FieldGenerator* MakeGenerator(const FieldDescriptor* field);
87
88  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
89};
90
91}  // namespace java
92}  // namespace compiler
93}  // namespace protobuf
94
95}  // namespace google
96#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
97