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85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc.
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// http://code.google.com/p/protobuf/
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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// Modified to implement C code by Dave Benson.
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#ifndef GOOGLE_PROTOBUF_COMPILER_C_FIELD_H__
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#define GOOGLE_PROTOBUF_COMPILER_C_FIELD_H__
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#include <google/protobuf/stubs/common.h>
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#include <google/protobuf/descriptor.h>
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namespace google {
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namespace protobuf {
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namespace io {
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class Printer; // printer.h
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}
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}
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namespace protobuf {
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namespace compiler {
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namespace c {
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class FieldGenerator {
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public:
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explicit FieldGenerator(const FieldDescriptor *descriptor) : descriptor_(descriptor) {}
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virtual ~FieldGenerator();
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// Generate definitions to be included in the structure.
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virtual void GenerateStructMembers(io::Printer* printer) const = 0;
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// Generate a static initializer for this field.
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virtual void GenerateDescriptorInitializer(io::Printer* printer) const = 0;
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protected:
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void GenerateDescriptorInitializerGeneric(io::Printer* printer,
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bool optional_uses_has,
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const string &type_macro,
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const string &descriptor_addr) const;
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const FieldDescriptor *descriptor_;
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private:
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GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGenerator);
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};
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// Convenience class which constructs FieldGenerators for a Descriptor.
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class FieldGeneratorMap {
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public:
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explicit FieldGeneratorMap(const Descriptor* descriptor);
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~FieldGeneratorMap();
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const FieldGenerator& get(const FieldDescriptor* field) const;
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private:
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const Descriptor* descriptor_;
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scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
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static FieldGenerator* MakeGenerator(const FieldDescriptor* field);
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GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
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};
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} // namespace c
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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#endif // GOOGLE_PROTOBUF_COMPILER_C_FIELD_H__
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