1 // Protocol Buffers - Google's data interchange format
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30 
31 // Author: xiaofeng@google.com (Feng Xiao)
32 //
33 // Generators that generate shared code between immutable API and mutable API.
34 
35 #ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_SHARED_CODE_GENERATOR_H__
36 #define GOOGLE_PROTOBUF_COMPILER_JAVA_SHARED_CODE_GENERATOR_H__
37 
38 #include <memory>
39 #include <string>
40 #include <vector>
41 
42 #include <google/protobuf/stubs/common.h>
43 
44 namespace google {
45 namespace protobuf {
46   class FileDescriptor;        // descriptor.h
47   namespace compiler {
48     class GeneratorContext;    // code_generator.h
49     namespace java {
50       class ClassNameResolver;       // name_resolver.h
51     }
52   }
53   namespace io {
54     class Printer;             // printer.h
55   }
56 }
57 
58 namespace protobuf {
59 namespace compiler {
60 namespace java {
61 
62 // A generator that generates code that are shared between immutable API
63 // and mutable API. Currently only descriptors are shared.
64 class SharedCodeGenerator {
65  public:
66   explicit SharedCodeGenerator(const FileDescriptor* file);
67   ~SharedCodeGenerator();
68 
69   void Generate(GeneratorContext* generator_context,
70                 vector<string>* file_list);
71   void GenerateDescriptors(io::Printer* printer);
72 
73  private:
74   // Returns whether the dependency should be included in the output file.
75   // Always returns true for opensource, but used internally at Google to help
76   // improve compatibility with version 1 of protocol buffers.
77   bool ShouldIncludeDependency(const FileDescriptor* descriptor);
78 
79   scoped_ptr<ClassNameResolver> name_resolver_;
80   const FileDescriptor* file_;
81   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(SharedCodeGenerator);
82 };
83 
84 
85 }  // namespace java
86 }  // namespace compiler
87 }  // namespace protobuf
88 
89 }  // namespace google
90 #endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_SHARED_CODE_GENERATOR_H__
91