blob: e0623a20d467022524bda26e6dff58566957c4c1 (
plain)
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
|
#pragma once
#include <mbgl/util/variant.hpp>
#include <mbgl/util/feature.hpp>
#include <mbgl/util/geometry.hpp>
#include <mbgl/style/expression/expression.hpp>
#include <string>
#include <vector>
#include <tuple>
namespace mbgl {
namespace style {
class Filter {
public:
optional<std::shared_ptr<const expression::Expression>> expression;
private:
optional<mbgl::Value> legacyFilter;
public:
Filter() : expression() {}
Filter(expression::ParseResult _expression, optional<mbgl::Value> _filter = {})
: expression(std::move(*_expression)),
legacyFilter(std::move(_filter)){
assert(!expression || *expression != nullptr);
}
bool operator()(const expression::EvaluationContext& context) const;
operator bool() const { return expression || legacyFilter; }
friend bool operator==(const Filter& lhs, const Filter& rhs) {
if (!lhs.expression || !rhs.expression) {
return lhs.expression == rhs.expression;
} else {
return *(lhs.expression) == *(rhs.expression);
}
}
friend bool operator!=(const Filter& lhs, const Filter& rhs) {
return !(lhs == rhs);
}
mbgl::Value serialize() const {
if (legacyFilter) {
return *legacyFilter;
}
else if (expression) {
return (**expression).serialize();
}
return NullValue();
}
};
} // namespace style
} // namespace mbgl
|
