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      1 // Protocol Buffers - Google's data interchange format
      2 // Copyright 2008 Google Inc.  All rights reserved.
      3 // http://code.google.com/p/protobuf/
      4 //
      5 // Redistribution and use in source and binary forms, with or without
      6 // modification, are permitted provided that the following conditions are
      7 // met:
      8 //
      9 //     * Redistributions of source code must retain the above copyright
     10 // notice, this list of conditions and the following disclaimer.
     11 //     * Redistributions in binary form must reproduce the above
     12 // copyright notice, this list of conditions and the following disclaimer
     13 // in the documentation and/or other materials provided with the
     14 // distribution.
     15 //     * Neither the name of Google Inc. nor the names of its
     16 // contributors may be used to endorse or promote products derived from
     17 // this software without specific prior written permission.
     18 //
     19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30 
     31 // Author: kenton (at) 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 #include <google/protobuf/compiler/javamicro/javamicro_params.h>
     42 
     43 namespace google {
     44 namespace protobuf {
     45   namespace io {
     46     class Printer;             // printer.h
     47   }
     48 }
     49 
     50 namespace protobuf {
     51 namespace compiler {
     52 namespace javamicro {
     53 
     54 class FieldGenerator {
     55  public:
     56   //FieldGenerator() {}
     57   FieldGenerator(const Params& params) : params_(params) {}
     58   virtual ~FieldGenerator();
     59 
     60   virtual void GenerateMembers(io::Printer* printer) const = 0;
     61   virtual void GenerateMergingCode(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  protected:
     69   const Params& params_;
     70  private:
     71   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGenerator);
     72 };
     73 
     74 // Convenience class which constructs FieldGenerators for a Descriptor.
     75 class FieldGeneratorMap {
     76  public:
     77   explicit FieldGeneratorMap(const Descriptor* descriptor, const Params &params);
     78   ~FieldGeneratorMap();
     79 
     80   const FieldGenerator& get(const FieldDescriptor* field) const;
     81   const FieldGenerator& get_extension(int index) const;
     82 
     83  private:
     84   const Descriptor* descriptor_;
     85   scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
     86   scoped_array<scoped_ptr<FieldGenerator> > extension_generators_;
     87 
     88   static FieldGenerator* MakeGenerator(const FieldDescriptor* field, const Params &params);
     89 
     90   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
     91 };
     92 
     93 }  // namespace javamicro
     94 }  // namespace compiler
     95 }  // namespace protobuf
     96 
     97 }  // namespace google
     98 #endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
     99