MessagePack for C++
string.hpp
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1 //
2 // MessagePack for C++ static resolution routine
3 //
4 // Copyright (C) 2008-2015 FURUHASHI Sadayuki
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_V1_TYPE_STRING_HPP
11 #define MSGPACK_V1_TYPE_STRING_HPP
12 
13 #include "msgpack/versioning.hpp"
16 
17 #include <string>
18 #include <cstring>
19 
20 namespace msgpack {
21 
25 
26 namespace adaptor {
27 
28 template <>
29 struct convert<std::string> {
30  msgpack::object const& operator()(msgpack::object const& o, std::string& v) const {
31  switch (o.type) {
32  case msgpack::type::BIN:
33  v.assign(o.via.bin.ptr, o.via.bin.size);
34  break;
35  case msgpack::type::STR:
36  v.assign(o.via.str.ptr, o.via.str.size);
37  break;
38  default:
39  throw msgpack::type_error();
40  break;
41  }
42  return o;
43  }
44 };
45 
46 template <>
47 struct pack<std::string> {
48  template <typename Stream>
49  msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const std::string& v) const {
50  uint32_t size = checked_get_container_size(v.size());
51  o.pack_str(size);
52  o.pack_str_body(v.data(), size);
53  return o;
54  }
55 };
56 
57 template <>
58 struct object<std::string> {
59  void operator()(msgpack::object& o, const std::string& v) const {
60  uint32_t size = checked_get_container_size(v.size());
62  o.via.str.ptr = v.data();
63  o.via.str.size = size;
64  }
65 };
66 
67 template <>
68 struct object_with_zone<std::string> {
69  void operator()(msgpack::object::with_zone& o, const std::string& v) const {
70  uint32_t size = checked_get_container_size(v.size());
72  char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
73  o.via.str.ptr = ptr;
74  o.via.str.size = size;
75  std::memcpy(ptr, v.data(), v.size());
76  }
77 };
78 
79 } // namespace adaptor
80 
82 } // MSGPACK_API_VERSION_NAMESPACE(v1)
84 
85 } // namespace msgpack
86 
87 #endif // MSGPACK_V1_TYPE_STRING_HPP
The class template that supports continuous packing.
Definition: pack.hpp:33
packer< Stream > & pack_str_body(const char *b, uint32_t l)
Packing str body.
Definition: pack.hpp:1255
packer< Stream > & pack_str(uint32_t l)
Packing str header and length.
Definition: pack.hpp:1232
Definition: object_fwd.hpp:231
void * allocate_align(size_t size, size_t align=MSGPACK_ZONE_ALIGN)
Definition: cpp03_zone.hpp:256
std::size_t size(T const &t)
Definition: size_equal_only.hpp:24
@ STR
Definition: object_fwd_decl.hpp:38
@ BIN
Definition: object_fwd_decl.hpp:39
Definition: adaptor_base.hpp:15
uint32_t checked_get_container_size(T size)
Definition: check_container_size.hpp:55
msgpack::object const & operator()(msgpack::object const &o, std::string &v) const
Definition: string.hpp:30
Definition: adaptor_base.hpp:27
void operator()(msgpack::object &o, const std::string &v) const
Definition: string.hpp:59
void operator()(msgpack::object::with_zone &o, const std::string &v) const
Definition: string.hpp:69
Definition: adaptor_base.hpp:43
Definition: adaptor_base.hpp:38
msgpack::packer< Stream > & operator()(msgpack::packer< Stream > &o, const std::string &v) const
Definition: string.hpp:49
Definition: adaptor_base.hpp:32
Definition: object.hpp:35
msgpack::zone & zone
Definition: object.hpp:37
uint32_t size
Definition: object_fwd.hpp:38
const char * ptr
Definition: object_fwd.hpp:39
const char * ptr
Definition: object_fwd.hpp:34
uint32_t size
Definition: object_fwd.hpp:33
Object class that corresponding to MessagePack format object.
Definition: object_fwd.hpp:75
union_type via
Definition: object_fwd.hpp:93
msgpack::type::object_type type
Definition: object_fwd.hpp:92
msgpack::object_str str
Definition: object_fwd.hpp:87
msgpack::object_bin bin
Definition: object_fwd.hpp:88
#define MSGPACK_ZONE_ALIGNOF(type)
Definition: cpp03_zone_decl.hpp:30
#define MSGPACK_API_VERSION_NAMESPACE(ns)
Definition: versioning.hpp:66