1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
#ifndef VTZERO_ENCODED_PROPERTY_VALUE_HPP
#define VTZERO_ENCODED_PROPERTY_VALUE_HPP
/*****************************************************************************
vtzero - Tiny and fast vector tile decoder and encoder in C++.
This file is from https://github.com/mapbox/vtzero where you can find more
documentation.
*****************************************************************************/
/**
* @file encoded_property_value.hpp
*
* @brief Contains the encoded_property_value class.
*/
#include "types.hpp"
#include <protozero/pbf_builder.hpp>
#include <functional>
#include <string>
namespace vtzero {
/**
* A property value encoded in the vector_tile internal format. Can be
* created from values of many different types and then later added to
* a layer/feature.
*/
class encoded_property_value {
std::string m_data;
public:
/// Construct from vtzero::string_value_type.
explicit encoded_property_value(string_value_type value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_string(detail::pbf_value::string_value, value.value);
}
/// Construct from const char*.
explicit encoded_property_value(const char* value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_string(detail::pbf_value::string_value, value);
}
/// Construct from const char* and size_t.
explicit encoded_property_value(const char* value, std::size_t size) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_string(detail::pbf_value::string_value, value, size);
}
/// Construct from std::string.
explicit encoded_property_value(const std::string& value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_string(detail::pbf_value::string_value, value);
}
/// Construct from vtzero::data_view.
explicit encoded_property_value(const data_view& value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_string(detail::pbf_value::string_value, value);
}
// ------------------
/// Construct from vtzero::float_value_type.
explicit encoded_property_value(float_value_type value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_float(detail::pbf_value::float_value, value.value);
}
/// Construct from float.
explicit encoded_property_value(float value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_float(detail::pbf_value::float_value, value);
}
// ------------------
/// Construct from vtzero::double_value_type.
explicit encoded_property_value(double_value_type value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_double(detail::pbf_value::double_value, value.value);
}
/// Construct from double.
explicit encoded_property_value(double value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_double(detail::pbf_value::double_value, value);
}
// ------------------
/// Construct from vtzero::int_value_type.
explicit encoded_property_value(int_value_type value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_int64(detail::pbf_value::int_value, value.value);
}
/// Construct from int64_t.
explicit encoded_property_value(int64_t value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_int64(detail::pbf_value::int_value, value);
}
/// Construct from int32_t.
explicit encoded_property_value(int32_t value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_int64(detail::pbf_value::int_value, static_cast<int64_t>(value));
}
/// Construct from int16_t.
explicit encoded_property_value(int16_t value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_int64(detail::pbf_value::int_value, static_cast<int64_t>(value));
}
// ------------------
/// Construct from vtzero::uint_value_type.
explicit encoded_property_value(uint_value_type value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_uint64(detail::pbf_value::uint_value, value.value);
}
/// Construct from uint64_t.
explicit encoded_property_value(uint64_t value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_uint64(detail::pbf_value::uint_value, value);
}
/// Construct from uint32_t.
explicit encoded_property_value(uint32_t value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_uint64(detail::pbf_value::uint_value, static_cast<uint64_t>(value));
}
/// Construct from uint16_t.
explicit encoded_property_value(uint16_t value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_uint64(detail::pbf_value::uint_value, static_cast<uint64_t>(value));
}
// ------------------
/// Construct from vtzero::sint_value_type.
explicit encoded_property_value(sint_value_type value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_sint64(detail::pbf_value::sint_value, value.value);
}
// ------------------
/// Construct from vtzero::bool_value_type.
explicit encoded_property_value(bool_value_type value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_bool(detail::pbf_value::bool_value, value.value);
}
/// Construct from bool.
explicit encoded_property_value(bool value) {
protozero::pbf_builder<detail::pbf_value> pbf_message_value{m_data};
pbf_message_value.add_bool(detail::pbf_value::bool_value, value);
}
// ------------------
/**
* Get view of the raw data stored inside.
*/
data_view data() const noexcept {
return {m_data.data(), m_data.size()};
}
/**
* Hash function compatible with std::hash.
*/
std::size_t hash() const noexcept {
return std::hash<std::string>{}(m_data);
}
}; // class encoded_property_value
/// Encoded property values are equal if they contain the same data.
inline bool operator==(const encoded_property_value& lhs, const encoded_property_value& rhs) noexcept {
return lhs.data() == rhs.data();
}
/// Encoded property values are unequal if they are not equal.
inline bool operator!=(const encoded_property_value& lhs, const encoded_property_value& rhs) noexcept {
return !(lhs == rhs);
}
/// Arbitrary ordering based on internal data.
inline bool operator<(const encoded_property_value& lhs, const encoded_property_value& rhs) noexcept {
return lhs.data() < rhs.data();
}
/// Arbitrary ordering based on internal data.
inline bool operator<=(const encoded_property_value& lhs, const encoded_property_value& rhs) noexcept {
return lhs.data() <= rhs.data();
}
/// Arbitrary ordering based on internal data.
inline bool operator>(const encoded_property_value& lhs, const encoded_property_value& rhs) noexcept {
return lhs.data() > rhs.data();
}
/// Arbitrary ordering based on internal data.
inline bool operator>=(const encoded_property_value& lhs, const encoded_property_value& rhs) noexcept {
return lhs.data() >= rhs.data();
}
} // namespace vtzero
namespace std {
/**
* Specialization of std::hash for encoded_property_value.
*/
template <>
struct hash<vtzero::encoded_property_value> {
/// key vtzero::encoded_property_value
using argument_type = vtzero::encoded_property_value;
/// hash result: size_t
using result_type = std::size_t;
/// calculate the hash of the argument
std::size_t operator()(const vtzero::encoded_property_value& value) const noexcept {
return value.hash();
}
}; // struct hash
} // namespace std
#endif // VTZERO_ENCODED_PROPERTY_VALUE_HPP
|
