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 #ifndef _SHARED_PTR_H 37 #include <google/protobuf/stubs/shared_ptr.h> 38 #endif 39 #include <vector> 40 41 #include <google/protobuf/stubs/common.h> 42 43 namespace google { 44 namespace protobuf { 45 class FileDescriptor; 46 class FieldDescriptor; 47 class OneofDescriptor; 48 class Descriptor; 49 class EnumDescriptor; 50 namespace compiler { 51 namespace java { 52 class ClassNameResolver; // name_resolver.h 53 } 54 } 55 } // namespace protobuf 56 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 explicit Context(const FileDescriptor* file); 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(); 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 82 // Enforces all the files (including transitive dependencies) to use 83 // LiteRuntime. SetEnforceLite(bool enforce_lite)84 void SetEnforceLite(bool enforce_lite) { 85 enforce_lite_ = enforce_lite; 86 } 87 EnforceLite()88 bool EnforceLite() const { 89 return enforce_lite_; 90 } 91 92 // Does this message class have generated parsing, serialization, and other 93 // standard methods for which reflection-based fallback implementations exist? 94 bool HasGeneratedMethods(const Descriptor* descriptor) const; 95 96 private: 97 void InitializeFieldGeneratorInfo(const FileDescriptor* file); 98 void InitializeFieldGeneratorInfoForMessage(const Descriptor* message); 99 void InitializeFieldGeneratorInfoForFields( 100 const vector<const FieldDescriptor*>& fields); 101 102 google::protobuf::scoped_ptr<ClassNameResolver> name_resolver_; 103 map<const FieldDescriptor*, FieldGeneratorInfo> field_generator_info_map_; 104 map<const OneofDescriptor*, OneofGeneratorInfo> oneof_generator_info_map_; 105 bool enforce_lite_; 106 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Context); 107 }; 108 109 } // namespace java 110 } // namespace compiler 111 } // namespace protobuf 112 113 } // namespace google 114 #endif // GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__ 115