src/google/protobuf/compiler/java/java_field.h

   1 // Protocol Buffers - Google's data interchange format
   2 // Copyright 2008 Google Inc.
   3 // http://code.google.com/p/protobuf/
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the "License");
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 //      http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16
  17 // Author: kenton@google.com (Kenton Varda)
  18 //  Based on original Protocol Buffers design by
  19 //  Sanjay Ghemawat, Jeff Dean, and others.
  20
  21 #ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
  22 #define GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
  23
  24 #include <string>
  25 #include <google/protobuf/stubs/common.h>
  26 #include <google/protobuf/descriptor.h>
  27
  28 namespace google {
  29 namespace protobuf {
  30   namespace io {
  31     class Printer;             // printer.h
  32   }
  33 }
  34
  35 namespace protobuf {
  36 namespace compiler {
  37 namespace java {
  38
  39 class FieldGenerator {
  40  public:
  41   FieldGenerator() {}
  42   virtual ~FieldGenerator();
  43
  44   virtual void GenerateMembers(io::Printer* printer) const = 0;
  45   virtual void GenerateBuilderMembers(io::Printer* printer) const = 0;
  46   virtual void GenerateMergingCode(io::Printer* printer) const = 0;
  47   virtual void GenerateBuildingCode(io::Printer* printer) const = 0;
  48   virtual void GenerateParsingCode(io::Printer* printer) const = 0;
  49   virtual void GenerateSerializationCode(io::Printer* printer) const = 0;
  50   virtual void GenerateSerializedSizeCode(io::Printer* printer) const = 0;
  51
  52   virtual string GetBoxedType() const = 0;
  53
  54  private:
  55   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGenerator);
  56 };
  57
  58 // Convenience class which constructs FieldGenerators for a Descriptor.
  59 class FieldGeneratorMap {
  60  public:
  61   explicit FieldGeneratorMap(const Descriptor* descriptor);
  62   ~FieldGeneratorMap();
  63
  64   const FieldGenerator& get(const FieldDescriptor* field) const;
  65   const FieldGenerator& get_extension(int index) const;
  66
  67  private:
  68   const Descriptor* descriptor_;
  69   scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
  70   scoped_array<scoped_ptr<FieldGenerator> > extension_generators_;
  71
  72   static FieldGenerator* MakeGenerator(const FieldDescriptor* field);
  73
  74   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
  75 };
  76
  77 }  // namespace java
  78 }  // namespace compiler
  79 }  // namespace protobuf
  80
  81 }  // namespace google
  82 #endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__