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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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#include <google/protobuf/compiler/cpp/cpp_generator.h>
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#include <google/protobuf/compiler/cpp/cpp_file.h>
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#include <google/protobuf/compiler/cpp/cpp_helpers.h>
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#include <google/protobuf/io/printer.h>
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#include <google/protobuf/io/zero_copy_stream.h>
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#include <google/protobuf/descriptor.pb.h>
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CppGenerator::CppGenerator() {}
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CppGenerator::~CppGenerator() {}
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bool CppGenerator::Generate(const FileDescriptor* file,
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const string& parameter,
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OutputDirectory* output_directory,
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string* error) const {
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vector<pair<string, string> > options;
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ParseGeneratorParameter(parameter, &options);
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// -----------------------------------------------------------------
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// parse generator options
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// TODO(kenton): If we ever have more options, we may want to create a
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// class that encapsulates them which we can pass down to all the
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// generator classes. Currently we pass dllexport_decl down to all of
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// them via the constructors, but we don't want to have to add another
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// constructor parameter for every option.
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// If the dllexport_decl option is passed to the compiler, we need to write
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// it in front of every symbol that should be exported if this .proto is
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// compiled into a Windows DLL. E.g., if the user invokes the protocol
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// protoc --cpp_out=dllexport_decl=FOO_EXPORT:outdir foo.proto
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// then we'll define classes like this:
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// class FOO_EXPORT Foo {
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// FOO_EXPORT is a macro which should expand to __declspec(dllexport) or
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// __declspec(dllimport) depending on what is being compiled.
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string dllexport_decl;
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for (int i = 0; i < options.size(); i++) {
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if (options[i].first == "dllexport_decl") {
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dllexport_decl = options[i].second;
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*error = "Unknown generator option: " + options[i].first;
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// -----------------------------------------------------------------
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string basename = StripProto(file->name());
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basename.append(".pb");
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FileGenerator file_generator(file, dllexport_decl);
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scoped_ptr<io::ZeroCopyOutputStream> output(
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output_directory->Open(basename + ".h"));
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io::Printer printer(output.get(), '$');
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file_generator.GenerateHeader(&printer);
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scoped_ptr<io::ZeroCopyOutputStream> output(
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output_directory->Open(basename + ".cc"));
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io::Printer printer(output.get(), '$');
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file_generator.GenerateSource(&printer);
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} // namespace compiler
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} // namespace protobuf
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} // namespace google