1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc.  All rights reserved.
3// https://developers.google.com/protocol-buffers/
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
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13// in the documentation and/or other materials provided with the
14// distribution.
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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,
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25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31#include <sstream>
32
33#include <google/protobuf/compiler/code_generator.h>
34#include <google/protobuf/compiler/plugin.h>
35#include <google/protobuf/descriptor.h>
36#include <google/protobuf/descriptor.pb.h>
37#include <google/protobuf/io/printer.h>
38#include <google/protobuf/io/zero_copy_stream.h>
39#include <google/protobuf/stubs/strutil.h>
40
41#include <google/protobuf/compiler/csharp/csharp_doc_comment.h>
42#include <google/protobuf/compiler/csharp/csharp_enum.h>
43#include <google/protobuf/compiler/csharp/csharp_helpers.h>
44#include <google/protobuf/compiler/csharp/csharp_options.h>
45
46using google::protobuf::internal::scoped_ptr;
47
48namespace google {
49namespace protobuf {
50namespace compiler {
51namespace csharp {
52
53EnumGenerator::EnumGenerator(const EnumDescriptor* descriptor, const Options* options) :
54    SourceGeneratorBase(descriptor->file(), options),
55    descriptor_(descriptor) {
56}
57
58EnumGenerator::~EnumGenerator() {
59}
60
61void EnumGenerator::Generate(io::Printer* printer) {
62  WriteEnumDocComment(printer, descriptor_);
63  WriteGeneratedCodeAttributes(printer);
64  printer->Print("$access_level$ enum $name$ {\n",
65                 "access_level", class_access_level(),
66                 "name", descriptor_->name());
67  printer->Indent();
68  std::set<string> used_names;
69  for (int i = 0; i < descriptor_->value_count(); i++) {
70      WriteEnumValueDocComment(printer, descriptor_->value(i));
71      string original_name = descriptor_->value(i)->name();
72      string name = options()->legacy_enum_values
73          ? descriptor_->value(i)->name()
74          : GetEnumValueName(descriptor_->name(), descriptor_->value(i)->name());
75      // Make sure we don't get any duplicate names due to prefix removal.
76      while (!used_names.insert(name).second) {
77        // It's possible we'll end up giving this warning multiple times, but that's better than not at all.
78        GOOGLE_LOG(WARNING) << "Duplicate enum value " << name << " (originally " << original_name
79          << ") in " << descriptor_->name() << "; adding underscore to distinguish";
80        name += "_";
81      }
82      printer->Print("[pbr::OriginalName(\"$original_name$\")] $name$ = $number$,\n",
83         "original_name", original_name,
84         "name", name,
85         "number", SimpleItoa(descriptor_->value(i)->number()));
86  }
87  printer->Outdent();
88  printer->Print("}\n");
89  printer->Print("\n");
90}
91
92}  // namespace csharp
93}  // namespace compiler
94}  // namespace protobuf
95}  // namespace google
96