Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_generator.cc

-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// 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.
-
-#include <iostream>
-#include <google/protobuf/compiler/objectivec/objectivec_generator.h>
-#include <google/protobuf/compiler/objectivec/objectivec_file.h>
-#include <google/protobuf/compiler/objectivec/objectivec_helpers.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/io/zero_copy_stream.h>
-#include <google/protobuf/stubs/strutil.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace objectivec {
-
-ObjectiveCGenerator::ObjectiveCGenerator() {}
-
-ObjectiveCGenerator::~ObjectiveCGenerator() {}
-
-bool ObjectiveCGenerator::Generate(const FileDescriptor* file,
-                                   const string& parameter,
-                                   OutputDirectory* output_directory,
-                                   string* error) const {
-  // ObjC doesn't have any options at the moment, error if passed one.
-  vector<pair<string, string> > options;
-  ParseGeneratorParameter(parameter, &options);
-  for (int i = 0; i < options.size(); i++) {
-    *error = "error:: Unknown generator option: " + options[i].first;
-    return false;
-  }
-
-  FileGenerator file_generator(file);
-
-  string filepath = FilePath(file);
-
-  // Generate header.
-  {
-    scoped_ptr<io::ZeroCopyOutputStream> output(
-        output_directory->Open(filepath + ".pbobjc.h"));
-    io::Printer printer(output.get(), '$');
-    file_generator.GenerateHeader(&printer);
-  }
-
-  // Generate m file.
-  {
-    scoped_ptr<io::ZeroCopyOutputStream> output(
-        output_directory->Open(filepath + ".pbobjc.m"));
-    io::Printer printer(output.get(), '$');
-    file_generator.GenerateSource(&printer);
-  }
-
-  return true;
-}
-
-}  // namespace objectivec
-}  // namespace compiler
-}  // namespace protobuf
-}  // namespace google