1 // 2 // MessagePack for C++ deserializing routine 3 // 4 // Copyright (C) 2017 KONDO Takatoshi 5 // 6 // Distributed under the Boost Software License, Version 1.0. 7 // (See accompanying file LICENSE_1_0.txt or copy at 8 // http://www.boost.org/LICENSE_1_0.txt) 9 // 10 #ifndef MSGPACK_V2_NULL_VISITOR_HPP 11 #define MSGPACK_V2_NULL_VISITOR_HPP 12 13 #include "msgpack/v2/null_visitor_decl.hpp" 14 15 namespace msgpack { 16 17 /// @cond MSGPACK_API_VERSION_NAMESPACE(v2)18MSGPACK_API_VERSION_NAMESPACE(v2) { 19 /// @endcond 20 21 struct null_visitor { 22 bool visit_nil() { 23 return true; 24 } 25 bool visit_boolean(bool /*v*/) { 26 return true; 27 } 28 bool visit_positive_integer(uint64_t /*v*/) { 29 return true; 30 } 31 bool visit_negative_integer(int64_t /*v*/) { 32 return true; 33 } 34 bool visit_float32(float /*v*/) { 35 return true; 36 } 37 bool visit_float64(double /*v*/) { 38 return true; 39 } 40 bool visit_str(const char* /*v*/, uint32_t /*size*/) { 41 return true; 42 } 43 bool visit_bin(const char* /*v*/, uint32_t /*size*/) { 44 return true; 45 } 46 bool visit_ext(const char* /*v*/, uint32_t /*size*/) { 47 return true; 48 } 49 bool start_array(uint32_t /*num_elements*/) { 50 return true; 51 } 52 bool start_array_item() { 53 return true; 54 } 55 bool end_array_item() { 56 return true; 57 } 58 bool end_array() { 59 return true; 60 } 61 bool start_map(uint32_t /*num_kv_pairs*/) { 62 return true; 63 } 64 bool start_map_key() { 65 return true; 66 } 67 bool end_map_key() { 68 return true; 69 } 70 bool start_map_value() { 71 return true; 72 } 73 bool end_map_value() { 74 return true; 75 } 76 bool end_map() { 77 return true; 78 } 79 void parse_error(size_t /*parsed_offset*/, size_t /*error_offset*/) { 80 } 81 void insufficient_bytes(size_t /*parsed_offset*/, size_t /*error_offset*/) { 82 } 83 bool referenced() const { 84 return false; 85 } 86 void set_referenced(bool /*referenced*/) { 87 } 88 }; 89 90 /// @cond 91 } // MSGPACK_API_VERSION_NAMESPACE(v2) 92 /// @endcond 93 94 } // namespace msgpack 95 96 #endif // MSGPACK_V2_NULL_VISITOR_HPP 97