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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
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 #ifndef GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_ONEOF_H__
32 #define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_ONEOF_H__
33 
34 #include <string>
35 #include <set>
36 #include <vector>
37 #include <google/protobuf/descriptor.h>
38 #include <google/protobuf/io/printer.h>
39 
40 namespace google {
41 namespace protobuf {
42 namespace compiler {
43 namespace objectivec {
44 
45 class OneofGenerator {
46  public:
47   explicit OneofGenerator(const OneofDescriptor* descriptor);
48   ~OneofGenerator();
49 
50   OneofGenerator(const OneofGenerator&) = delete;
51   OneofGenerator& operator=(const OneofGenerator&) = delete;
52 
53   void SetOneofIndexBase(int index_base);
54 
55   void GenerateCaseEnum(io::Printer* printer);
56 
57   void GeneratePublicCasePropertyDeclaration(io::Printer* printer);
58   void GenerateClearFunctionDeclaration(io::Printer* printer);
59 
60   void GeneratePropertyImplementation(io::Printer* printer);
61   void GenerateClearFunctionImplementation(io::Printer* printer);
62 
63   string DescriptorName(void) const;
64   string HasIndexAsString(void) const;
65 
66  private:
67   const OneofDescriptor* descriptor_;
68   std::map<string, string> variables_;
69 };
70 
71 }  // namespace objectivec
72 }  // namespace compiler
73 }  // namespace protobuf
74 }  // namespace google
75 
76 #endif  // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_ONEOF_H__
77