blob: df1fbcab9e3ce16caac8c2fd0b0da51217f0ec67 (
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
58
59
60
61
62
63
64
65
66
67
68
|
#pragma once
#include <mbgl/style/expression/collator_expression.hpp>
#include <mbgl/style/expression/expression.hpp>
#include <mbgl/style/expression/parsing_context.hpp>
#include <mbgl/style/conversion.hpp>
#include <memory>
namespace mbgl {
namespace style {
namespace expression {
ParseResult parseComparison(const mbgl::style::conversion::Convertible&, ParsingContext&);
class BasicComparison : public Expression {
public:
using CompareFunctionType = bool (*)(const Value&, const Value&);
BasicComparison(
std::string op,
std::unique_ptr<Expression> lhs,
std::unique_ptr<Expression> rhs);
void eachChild(const std::function<void(const Expression&)>& visit) const override;
bool operator==(const Expression&) const override;
EvaluationResult evaluate(const EvaluationContext&) const override;
std::vector<optional<Value>> possibleOutputs() const override;
std::string getOperator() const override;
private:
std::string op;
CompareFunctionType compare;
std::unique_ptr<Expression> lhs;
std::unique_ptr<Expression> rhs;
bool needsRuntimeTypeCheck;
};
class CollatorComparison : public Expression {
public:
using CompareFunctionType = bool (*)(const std::string&, const std::string&, const Collator&);
CollatorComparison(
std::string op,
std::unique_ptr<Expression> lhs,
std::unique_ptr<Expression> rhs,
std::unique_ptr<Expression> collator);
void eachChild(const std::function<void(const Expression&)>& visit) const override;
bool operator==(const Expression&) const override;
EvaluationResult evaluate(const EvaluationContext&) const override;
std::vector<optional<Value>> possibleOutputs() const override;
std::string getOperator() const override;
private:
std::string op;
CompareFunctionType compare;
std::unique_ptr<Expression> lhs;
std::unique_ptr<Expression> rhs;
std::unique_ptr<Expression> collator;
bool needsRuntimeTypeCheck;
};
} // namespace expression
} // namespace style
} // namespace mbgl
|