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_NAME_RESOLVER_H__ 32 #define GOOGLE_PROTOBUF_COMPILER_JAVA_NAME_RESOLVER_H__ 33 34 #include <map> 35 #include <string> 36 37 #include <google/protobuf/stubs/common.h> 38 39 namespace google { 40 namespace protobuf { 41 class Descriptor; 42 class EnumDescriptor; 43 class FieldDescriptor; 44 class FileDescriptor; 45 class ServiceDescriptor; 46 47 namespace compiler { 48 namespace java { 49 50 // Used to get the Java class related names for a given descriptor. It caches 51 // the results to avoid redundant calculation across multiple name queries. 52 // Thread-safety note: This class is *not* thread-safe. 53 class ClassNameResolver { 54 public: 55 ClassNameResolver(); 56 ~ClassNameResolver(); 57 58 // Gets the unqualified outer class name for the file. 59 string GetFileClassName(const FileDescriptor* file, bool immutable); 60 // Gets the unqualified immutable outer class name of a file. 61 string GetFileImmutableClassName(const FileDescriptor* file); 62 // Gets the unqualified default immutable outer class name of a file 63 // (converted from the proto file's name). 64 string GetFileDefaultImmutableClassName(const FileDescriptor* file); 65 66 // Check whether there is any type defined in the proto file that has 67 // the given class name. 68 bool HasConflictingClassName(const FileDescriptor* file, 69 const string& classname); 70 71 // Gets the name of the outer class that holds descriptor information. 72 // Descriptors are shared between immutable messages and mutable messages. 73 // Since both of them are generated optionally, the descriptors need to be 74 // put in another common place. 75 string GetDescriptorClassName(const FileDescriptor* file); 76 77 // Gets the fully-qualified class name corresponding to the given descriptor. 78 string GetClassName(const Descriptor* descriptor, bool immutable); 79 string GetClassName(const EnumDescriptor* descriptor, bool immutable); 80 string GetClassName(const ServiceDescriptor* descriptor, bool immutable); 81 string GetClassName(const FileDescriptor* descriptor, bool immutable); 82 83 template<class DescriptorType> GetImmutableClassName(const DescriptorType * descriptor)84 string GetImmutableClassName(const DescriptorType* descriptor) { 85 return GetClassName(descriptor, true); 86 } 87 template<class DescriptorType> GetMutableClassName(const DescriptorType * descriptor)88 string GetMutableClassName(const DescriptorType* descriptor) { 89 return GetClassName(descriptor, false); 90 } 91 92 // Gets the fully qualified name of an extension identifier. 93 string GetExtensionIdentifierName(const FieldDescriptor* descriptor, 94 bool immutable); 95 96 // Gets the fully qualified name for generated classes in Java convention. 97 // Nested classes will be separated using '$' instead of '.' 98 // For example: 99 // com.package.OuterClass$OuterMessage$InnerMessage 100 string GetJavaImmutableClassName(const Descriptor* descriptor); 101 private: 102 // Get the full name of a Java class by prepending the Java package name 103 // or outer class name. 104 string GetClassFullName(const string& name_without_package, 105 const FileDescriptor* file, 106 bool immutable, 107 bool multiple_files); 108 // Get the Java Class style full name of a message. 109 string GetJavaClassFullName( 110 const string& name_without_package, 111 const FileDescriptor* file, 112 bool immutable); 113 // Caches the result to provide better performance. 114 map<const FileDescriptor*, string> file_immutable_outer_class_names_; 115 116 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ClassNameResolver); 117 }; 118 119 } // namespace java 120 } // namespace compiler 121 } // namespace protobuf 122 123 } // namespace google 124 #endif // GOOGLE_PROTOBUF_COMPILER_JAVA_NAME_RESOLVER_H__ 125