protobuf-c/protoc-c/c_message.h

143 lines
5.5 KiB
C++

// 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.
// Copyright (c) 2008-2013, Dave Benson. All rights reserved.
//
// 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.
//
// 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.
// Modified to implement C code by Dave Benson.
#ifndef GOOGLE_PROTOBUF_COMPILER_C_MESSAGE_H__
#define GOOGLE_PROTOBUF_COMPILER_C_MESSAGE_H__
#include <memory>
#include <string>
#include <google/protobuf/stubs/common.h>
#include <protoc-c/c_field.h>
namespace google {
namespace protobuf {
namespace io {
class Printer; // printer.h
}
}
namespace protobuf {
namespace compiler {
namespace c {
class EnumGenerator; // enum.h
class ExtensionGenerator; // extension.h
class MessageGenerator {
public:
// See generator.cc for the meaning of dllexport_decl.
explicit MessageGenerator(const Descriptor* descriptor,
const string& dllexport_decl);
~MessageGenerator();
// Header stuff.
// Generate typedef.
void GenerateStructTypedef(io::Printer* printer);
// Generate descriptor prototype
void GenerateDescriptorDeclarations(io::Printer* printer);
// Generate descriptor prototype
void GenerateClosureTypedef(io::Printer* printer);
// Generate definitions of all nested enums (must come before class
// definitions because those classes use the enums definitions).
void GenerateEnumDefinitions(io::Printer* printer);
// Generate definitions for this class and all its nested types.
void GenerateStructDefinition(io::Printer* printer);
// Generate __INIT macro for populating this structure
void GenerateStructStaticInitMacro(io::Printer* printer);
// Generate standard helper functions declarations for this message.
void GenerateHelperFunctionDeclarations(io::Printer* printer, bool is_submessage);
// Source file stuff.
// Generate code that initializes the global variable storing the message's
// descriptor.
void GenerateMessageDescriptor(io::Printer* printer);
void GenerateHelperFunctionDefinitions(io::Printer* printer, bool is_submessage);
private:
string GetDefaultValueC(const FieldDescriptor *fd);
const Descriptor* descriptor_;
string dllexport_decl_;
FieldGeneratorMap field_generators_;
std::unique_ptr<std::unique_ptr<MessageGenerator>[]> nested_generators_;
std::unique_ptr<std::unique_ptr<EnumGenerator>[]> enum_generators_;
std::unique_ptr<std::unique_ptr<ExtensionGenerator>[]> extension_generators_;
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageGenerator);
};
} // namespace c
} // namespace compiler
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_COMPILER_C_MESSAGE_H__