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 #include <google/protobuf/compiler/java/java_options.h> 40 41 namespace google { 42 namespace protobuf { 43 class FileDescriptor; 44 class FieldDescriptor; 45 class OneofDescriptor; 46 class Descriptor; 47 class EnumDescriptor; 48 namespace compiler { 49 namespace java { 50 class ClassNameResolver; // name_resolver.h 51 } 52 } // namespace compiler 53 } // namespace protobuf 54 } // namespace google 55 56 namespace google { 57 namespace protobuf { 58 namespace compiler { 59 namespace java { 60 61 struct FieldGeneratorInfo; 62 struct OneofGeneratorInfo; 63 // A context object holds the information that is shared among all code 64 // generators. 65 class Context { 66 public: 67 Context(const FileDescriptor* file, const Options& options); 68 ~Context(); 69 70 // Get the name resolver associated with this context. The resolver 71 // can be used to map descriptors to Java class names. 72 ClassNameResolver* GetNameResolver() const; 73 74 // Get the FieldGeneratorInfo for a given field. 75 const FieldGeneratorInfo* GetFieldGeneratorInfo( 76 const FieldDescriptor* field) const; 77 78 // Get the OneofGeneratorInfo for a given oneof. 79 const OneofGeneratorInfo* GetOneofGeneratorInfo( 80 const OneofDescriptor* oneof) const; 81 options()82 const Options& options() const { return options_; } 83 84 // Enforces all the files (including transitive dependencies) to use 85 // LiteRuntime. 86 EnforceLite()87 bool EnforceLite() const { return options_.enforce_lite; } 88 89 // Does this message class have generated parsing, serialization, and other 90 // standard methods for which reflection-based fallback implementations exist? 91 bool HasGeneratedMethods(const Descriptor* descriptor) const; 92 93 private: 94 void InitializeFieldGeneratorInfo(const FileDescriptor* file); 95 void InitializeFieldGeneratorInfoForMessage(const Descriptor* message); 96 void InitializeFieldGeneratorInfoForFields( 97 const std::vector<const FieldDescriptor*>& fields); 98 99 std::unique_ptr<ClassNameResolver> name_resolver_; 100 std::map<const FieldDescriptor*, FieldGeneratorInfo> 101 field_generator_info_map_; 102 std::map<const OneofDescriptor*, OneofGeneratorInfo> 103 oneof_generator_info_map_; 104 Options options_; 105 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Context); 106 }; 107 108 } // namespace java 109 } // namespace compiler 110 } // namespace protobuf 111 } // namespace google 112 113 #endif // GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__ 114