1 #ifndef PROTON_SCALAR_BASE_HPP 2 #define PROTON_SCALAR_BASE_HPP 25 #include "./binary.hpp" 26 #include "./decimal.hpp" 27 #include "./error.hpp" 28 #include "./internal/comparable.hpp" 29 #include "./internal/export.hpp" 30 #include "./internal/type_traits.hpp" 31 #include "./symbol.hpp" 32 #include "./timestamp.hpp" 37 #include <proton/type_compat.h> 53 template<
class T> T
get(
const scalar_base& s);
57 class scalar_base :
private internal::comparable<scalar_base> {
60 PN_CPP_EXTERN
type_id type()
const;
63 PN_CPP_EXTERN
bool empty()
const;
74 PN_CPP_EXTERN scalar_base();
75 PN_CPP_EXTERN scalar_base(
const scalar_base&);
76 PN_CPP_EXTERN scalar_base& operator=(
const scalar_base&);
78 PN_CPP_EXTERN
void put_(
bool);
79 PN_CPP_EXTERN
void put_(uint8_t);
80 PN_CPP_EXTERN
void put_(int8_t);
81 PN_CPP_EXTERN
void put_(uint16_t);
82 PN_CPP_EXTERN
void put_(int16_t);
83 PN_CPP_EXTERN
void put_(uint32_t);
84 PN_CPP_EXTERN
void put_(int32_t);
85 PN_CPP_EXTERN
void put_(uint64_t);
86 PN_CPP_EXTERN
void put_(int64_t);
87 PN_CPP_EXTERN
void put_(
wchar_t);
88 PN_CPP_EXTERN
void put_(
float);
89 PN_CPP_EXTERN
void put_(
double);
91 PN_CPP_EXTERN
void put_(
const decimal32&);
92 PN_CPP_EXTERN
void put_(
const decimal64&);
94 PN_CPP_EXTERN
void put_(
const uuid&);
95 PN_CPP_EXTERN
void put_(
const std::string&);
96 PN_CPP_EXTERN
void put_(
const symbol&);
97 PN_CPP_EXTERN
void put_(
const binary&);
98 PN_CPP_EXTERN
void put_(
const char* s);
99 PN_CPP_EXTERN
void put_(
const null&);
101 template<
class T>
void put(
const T& x) { putter<T>::put(*
this, x); }
104 PN_CPP_EXTERN
void get_(
bool&)
const;
105 PN_CPP_EXTERN
void get_(uint8_t&)
const;
106 PN_CPP_EXTERN
void get_(int8_t&)
const;
107 PN_CPP_EXTERN
void get_(uint16_t&)
const;
108 PN_CPP_EXTERN
void get_(int16_t&)
const;
109 PN_CPP_EXTERN
void get_(uint32_t&)
const;
110 PN_CPP_EXTERN
void get_(int32_t&)
const;
111 PN_CPP_EXTERN
void get_(uint64_t&)
const;
112 PN_CPP_EXTERN
void get_(int64_t&)
const;
113 PN_CPP_EXTERN
void get_(
wchar_t&)
const;
114 PN_CPP_EXTERN
void get_(
float&)
const;
115 PN_CPP_EXTERN
void get_(
double&)
const;
116 PN_CPP_EXTERN
void get_(
timestamp&)
const;
117 PN_CPP_EXTERN
void get_(
decimal32&)
const;
118 PN_CPP_EXTERN
void get_(
decimal64&)
const;
120 PN_CPP_EXTERN
void get_(
uuid&)
const;
121 PN_CPP_EXTERN
void get_(std::string&)
const;
122 PN_CPP_EXTERN
void get_(
symbol&)
const;
123 PN_CPP_EXTERN
void get_(
binary&)
const;
124 PN_CPP_EXTERN
void get_(null&)
const;
127 template <
class T,
class Enable=
void>
struct putter {
128 static void put(scalar_base& s,
const T& x) { s.put_(x); }
131 struct putter<T, typename internal::enable_if<internal::is_unknown_integer<T>::value>::type> {
132 static void put(scalar_base& s,
const T& x) {
133 s.put_(
static_cast<typename internal::known_integer<T>::type
>(x));
136 template <
class T,
class Enable=
void>
138 static T
get(
const scalar_base& s) { T x; s.get_(x);
return x; }
141 struct getter<T, typename internal::enable_if<internal::is_unknown_integer<T>::value>::type> {
142 static T
get(
const scalar_base& s) {
143 typename internal::known_integer<T>::type x; s.get_(x);
return x;
147 void ok(pn_type_t)
const;
148 void set(
const pn_atom_t&);
149 void set(
const binary& x, pn_type_t t);
158 template<
class T>
friend T internal::get(
const scalar_base& s);
165 return scalar_base::getter<T>::get(s);
168 template <
class R,
class F> R visit(
const scalar_base& s, F f) {
170 case BOOLEAN:
return f(internal::get<bool>(s));
171 case UBYTE:
return f(internal::get<uint8_t>(s));
172 case BYTE:
return f(internal::get<int8_t>(s));
173 case USHORT:
return f(internal::get<uint16_t>(s));
174 case SHORT:
return f(internal::get<int16_t>(s));
175 case UINT:
return f(internal::get<uint32_t>(s));
176 case INT:
return f(internal::get<int32_t>(s));
177 case CHAR:
return f(internal::get<wchar_t>(s));
178 case ULONG:
return f(internal::get<uint64_t>(s));
179 case LONG:
return f(internal::get<int64_t>(s));
180 case TIMESTAMP:
return f(internal::get<timestamp>(s));
181 case FLOAT:
return f(internal::get<float>(s));
182 case DOUBLE:
return f(internal::get<double>(s));
183 case DECIMAL32:
return f(internal::get<decimal32>(s));
184 case DECIMAL64:
return f(internal::get<decimal64>(s));
185 case DECIMAL128:
return f(internal::get<decimal128>(s));
186 case UUID:
return f(internal::get<uuid>(s));
187 case BINARY:
return f(internal::get<binary>(s));
188 case STRING:
return f(internal::get<std::string>(s));
189 case SYMBOL:
return f(internal::get<symbol>(s));
196 template<
class T>
struct coerce_op {
198 typename enable_if<is_convertible<U, T>::value, T>::type operator()(
const U& x) {
199 return static_cast<T
>(x);
202 typename enable_if<!is_convertible<U, T>::value, T>::type operator()(
const U&) {
203 throw make_coercion_error(
typeid(T).name(), type_id_of<U>::value);
207 template <
class T> T coerce(
const scalar_base& s) {
return visit<T>(s, coerce_op<T>()); }
215 #endif // PROTON_SCALAR_BASE_HPP 16-byte UUID.
Definition: type_id.hpp:56
An AMQP message.
Definition: message.hpp:47
Experimental - Stream-like encoder from C++ values to AMQP bytes.
Definition: encoder.hpp:47
encoder & operator<<(encoder &e, const std::deque< T, A > &x)
std::deque<T> for most T is encoded as an amqp::ARRAY (same type elements)
Definition: deque.hpp:34
Variable-length utf8-encoded string.
Definition: type_id.hpp:58
A 16-byte universally unique identifier.
Definition: uuid.hpp:34
std::string type_name(type_id)
Get the name of the AMQP type.
An error converting between AMQP and C++ data.
Definition: error.hpp:51
64-bit decimal floating point.
Definition: decimal.hpp:49
Variable-length encoded string.
Definition: type_id.hpp:59
Base class for scalar types.
Definition: scalar_base.hpp:57
Signed 64-bit milliseconds since the epoch.
Definition: type_id.hpp:50
Variable-length sequence of bytes.
Definition: type_id.hpp:57
64-bit binary floating point.
Definition: type_id.hpp:52
A std::string that represents the AMQP symbol type.
Definition: symbol.hpp:32
Type-identifiers for AMQP types.
32-bit decimal floating point.
Definition: type_id.hpp:53
Arbitrary binary data.
Definition: binary.hpp:37
128-bit decimal floating point.
Definition: decimal.hpp:52
Signed 8-bit integer.
Definition: type_id.hpp:42
Unsigned 8-bit integer.
Definition: type_id.hpp:41
Signed 64-bit integer.
Definition: type_id.hpp:49
std::string to_string(const scalar_base &x)
Return a readable string representation of x for display purposes.
Boolean true or false.
Definition: type_id.hpp:40
type_id
An identifier for AMQP types.
Definition: type_id.hpp:38
32-bit decimal floating point.
Definition: decimal.hpp:46
32-bit unicode character.
Definition: type_id.hpp:47
Forward declarations for all the C++ types used by Proton to represent AMQP types.
A 64-bit timestamp in milliseconds since the Unix epoch.
Definition: timestamp.hpp:32
Unsigned 32-bit integer.
Definition: type_id.hpp:45
Unsigned 64-bit integer.
Definition: type_id.hpp:48
Signed 16-bit integer.
Definition: type_id.hpp:44
Signed 32-bit integer.
Definition: type_id.hpp:46
Unsigned 16-bit integer.
Definition: type_id.hpp:43
64-bit decimal floating point.
Definition: type_id.hpp:54
type_id type() const
AMQP type of data stored in the scalar.
128-bit decimal floating point.
Definition: type_id.hpp:55
The main Proton namespace.
Definition: annotation_key.hpp:30
Experimental - Stream-like decoder from AMQP bytes to C++ values.
Definition: decoder.hpp:53
32-bit binary floating point.
Definition: type_id.hpp:51