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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://code.google.com/p/protobuf/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
#define GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
#include <string>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/compiler/javanano/javanano_params.h>
namespace google {
namespace protobuf {
namespace io {
class Printer; // printer.h
}
}
namespace protobuf {
namespace compiler {
namespace javanano {
class FieldGenerator {
public:
//FieldGenerator() {}
FieldGenerator(const Params& params) : params_(params) {}
virtual ~FieldGenerator();
virtual void GenerateMembers(io::Printer* printer) const = 0;
virtual void GenerateClearCode(io::Printer* printer) const = 0;
virtual void GenerateMergingCode(io::Printer* printer) const = 0;
// Generates code to merge from packed serialized form. The default
// implementation will fail; subclasses which can handle packed serialized
// forms will override this and print appropriate code to the printer.
virtual void GenerateMergingCodeFromPacked(io::Printer* printer) const;
virtual void GenerateSerializationCode(io::Printer* printer) const = 0;
virtual void GenerateSerializedSizeCode(io::Printer* printer) const = 0;
virtual void GenerateEqualsCode(io::Printer* printer) const = 0;
virtual void GenerateHashCodeCode(io::Printer* printer) const = 0;
protected:
const Params& params_;
private:
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGenerator);
};
// Convenience class which constructs FieldGenerators for a Descriptor.
class FieldGeneratorMap {
public:
explicit FieldGeneratorMap(const Descriptor* descriptor, const Params ¶ms);
~FieldGeneratorMap();
const FieldGenerator& get(const FieldDescriptor* field) const;
const FieldGenerator& get_extension(int index) const;
int total_bits() const { return total_bits_; }
private:
const Descriptor* descriptor_;
scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
scoped_array<scoped_ptr<FieldGenerator> > extension_generators_;
int total_bits_;
static FieldGenerator* MakeGenerator(const FieldDescriptor* field,
const Params ¶ms, int* next_has_bit_index);
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
};
} // namespace javanano
} // namespace compiler
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_FIELD_H__
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