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 // This header file defines an internal class that encapsulates internal message 32 // metadata (Unknown-field set, Arena pointer, ...) and allows its 33 // representation to be made more space-efficient via various optimizations. 34 // 35 // Note that this is distinct from google::protobuf::Metadata, which encapsulates 36 // Descriptor and Reflection pointers. 37 38 #ifndef GOOGLE_PROTOBUF_METADATA_H__ 39 #define GOOGLE_PROTOBUF_METADATA_H__ 40 41 #include <google/protobuf/metadata_lite.h> 42 #include <google/protobuf/unknown_field_set.h> 43 44 #ifdef SWIG 45 #error "You cannot SWIG proto headers" 46 #endif 47 48 namespace google { 49 namespace protobuf { 50 namespace internal { 51 52 class InternalMetadataWithArena 53 : public InternalMetadataWithArenaBase<UnknownFieldSet, 54 InternalMetadataWithArena> { 55 public: InternalMetadataWithArena()56 InternalMetadataWithArena() {} InternalMetadataWithArena(Arena * arena)57 explicit InternalMetadataWithArena(Arena* arena) 58 : InternalMetadataWithArenaBase<UnknownFieldSet, 59 InternalMetadataWithArena>(arena) {} 60 DoSwap(UnknownFieldSet * other)61 void DoSwap(UnknownFieldSet* other) { mutable_unknown_fields()->Swap(other); } 62 DoMergeFrom(const UnknownFieldSet & other)63 void DoMergeFrom(const UnknownFieldSet& other) { 64 mutable_unknown_fields()->MergeFrom(other); 65 } 66 DoClear()67 void DoClear() { mutable_unknown_fields()->Clear(); } 68 default_instance()69 static const UnknownFieldSet& default_instance() { 70 return *UnknownFieldSet::default_instance(); 71 } 72 }; 73 74 } // namespace internal 75 } // namespace protobuf 76 } // namespace google 77 78 #endif // GOOGLE_PROTOBUF_METADATA_H__ 79