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_JAVA_CONTEXT_H__
32#define GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__
33
34#include <map>
35#include <memory>
36#include <vector>
37
38#include <google/protobuf/stubs/common.h>
39
40namespace google {
41namespace protobuf {
42  class FileDescriptor;
43  class FieldDescriptor;
44  class OneofDescriptor;
45  class Descriptor;
46  namespace compiler {
47    namespace java {
48      class ClassNameResolver;  // name_resolver.h
49    }
50  }
51}  // namespace protobuf
52
53namespace protobuf {
54namespace compiler {
55namespace java {
56
57struct FieldGeneratorInfo;
58struct OneofGeneratorInfo;
59// A context object holds the information that is shared among all code
60// generators.
61class Context {
62 public:
63  explicit Context(const FileDescriptor* file);
64  ~Context();
65
66  // Get the name resolver associated with this context. The resolver
67  // can be used to map descriptors to Java class names.
68  ClassNameResolver* GetNameResolver();
69
70  // Get the FieldGeneratorInfo for a given field.
71  const FieldGeneratorInfo* GetFieldGeneratorInfo(
72      const FieldDescriptor* field) const;
73
74  // Get the OneofGeneratorInfo for a given oneof.
75  const OneofGeneratorInfo* GetOneofGeneratorInfo(
76      const OneofDescriptor* oneof) const;
77
78 private:
79  void InitializeFieldGeneratorInfo(const FileDescriptor* file);
80  void InitializeFieldGeneratorInfoForMessage(const Descriptor* message);
81  void InitializeFieldGeneratorInfoForFields(
82      const vector<const FieldDescriptor*>& fields);
83
84  scoped_ptr<ClassNameResolver> name_resolver_;
85  map<const FieldDescriptor*, FieldGeneratorInfo> field_generator_info_map_;
86  map<const OneofDescriptor*, OneofGeneratorInfo> oneof_generator_info_map_;
87  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Context);
88};
89
90}  // namespace java
91}  // namespace compiler
92}  // namespace protobuf
93
94}  // namespace google
95#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__
96