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/thirdparty/breakpad/third_party/protobuf/protobuf/src/google/protobuf/compiler/java/java_generator.cc

http://github.com/tomahawk-player/tomahawk
C++ | 128 lines | 64 code | 22 blank | 42 comment | 9 complexity | dfeae008836ace3ba35c77a41ff376d7 MD5 | raw file
  1// Protocol Buffers - Google's data interchange format
  2// Copyright 2008 Google Inc.  All rights reserved.
  3// http://code.google.com/p/protobuf/
  4//
  5// Redistribution and use in source and binary forms, with or without
  6// modification, are permitted provided that the following conditions are
  7// met:
  8//
  9//     * Redistributions of source code must retain the above copyright
 10// notice, this list of conditions and the following disclaimer.
 11//     * Redistributions in binary form must reproduce the above
 12// copyright notice, this list of conditions and the following disclaimer
 13// in the documentation and/or other materials provided with the
 14// distribution.
 15//     * Neither the name of Google Inc. nor the names of its
 16// contributors may be used to endorse or promote products derived from
 17// this software without specific prior written permission.
 18//
 19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 30
 31// Author: kenton@google.com (Kenton Varda)
 32//  Based on original Protocol Buffers design by
 33//  Sanjay Ghemawat, Jeff Dean, and others.
 34
 35#include <google/protobuf/compiler/java/java_generator.h>
 36#include <google/protobuf/compiler/java/java_file.h>
 37#include <google/protobuf/compiler/java/java_helpers.h>
 38#include <google/protobuf/io/printer.h>
 39#include <google/protobuf/io/zero_copy_stream.h>
 40#include <google/protobuf/descriptor.pb.h>
 41#include <google/protobuf/stubs/strutil.h>
 42
 43namespace google {
 44namespace protobuf {
 45namespace compiler {
 46namespace java {
 47
 48
 49JavaGenerator::JavaGenerator() {}
 50JavaGenerator::~JavaGenerator() {}
 51
 52bool JavaGenerator::Generate(const FileDescriptor* file,
 53                             const string& parameter,
 54                             GeneratorContext* context,
 55                             string* error) const {
 56  // -----------------------------------------------------------------
 57  // parse generator options
 58
 59  // Name a file where we will write a list of generated file names, one
 60  // per line.
 61  string output_list_file;
 62
 63
 64  vector<pair<string, string> > options;
 65  ParseGeneratorParameter(parameter, &options);
 66
 67  for (int i = 0; i < options.size(); i++) {
 68    if (options[i].first == "output_list_file") {
 69      output_list_file = options[i].second;
 70    } else {
 71      *error = "Unknown generator option: " + options[i].first;
 72      return false;
 73    }
 74  }
 75
 76  // -----------------------------------------------------------------
 77
 78
 79  if (file->options().optimize_for() == FileOptions::LITE_RUNTIME &&
 80      file->options().java_generate_equals_and_hash()) {
 81    *error = "The \"java_generate_equals_and_hash\" option is incompatible "
 82             "with \"optimize_for = LITE_RUNTIME\".  You must optimize for "
 83             "SPEED or CODE_SIZE if you want to use this option.";
 84    return false;
 85  }
 86
 87  FileGenerator file_generator(file);
 88  if (!file_generator.Validate(error)) {
 89    return false;
 90  }
 91
 92  string package_dir = JavaPackageToDir(file_generator.java_package());
 93
 94  vector<string> all_files;
 95
 96  string java_filename = package_dir;
 97  java_filename += file_generator.classname();
 98  java_filename += ".java";
 99  all_files.push_back(java_filename);
100
101  // Generate main java file.
102  scoped_ptr<io::ZeroCopyOutputStream> output(
103    context->Open(java_filename));
104  io::Printer printer(output.get(), '$');
105  file_generator.Generate(&printer);
106
107  // Generate sibling files.
108  file_generator.GenerateSiblings(package_dir, context, &all_files);
109
110  // Generate output list if requested.
111  if (!output_list_file.empty()) {
112    // Generate output list.  This is just a simple text file placed in a
113    // deterministic location which lists the .java files being generated.
114    scoped_ptr<io::ZeroCopyOutputStream> srclist_raw_output(
115      context->Open(output_list_file));
116    io::Printer srclist_printer(srclist_raw_output.get(), '$');
117    for (int i = 0; i < all_files.size(); i++) {
118      srclist_printer.Print("$filename$\n", "filename", all_files[i]);
119    }
120  }
121
122  return true;
123}
124
125}  // namespace java
126}  // namespace compiler
127}  // namespace protobuf
128}  // namespace google