blob: 2551cd19c87ee90573489c3dd724c3238290a006 (
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
|
#pragma once
#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 {
class CollatorExpression : public Expression {
public:
CollatorExpression(std::unique_ptr<Expression> caseSensitive,
std::unique_ptr<Expression> diacriticSensitive,
optional<std::unique_ptr<Expression>> locale);
EvaluationResult evaluate(const EvaluationContext&) const override;
static ParseResult parse(const mbgl::style::conversion::Convertible&, ParsingContext&);
void eachChild(const std::function<void(const Expression&)>&) const override;
bool operator==(const Expression& e) const override;
std::vector<optional<Value>> possibleOutputs() const override {
// Technically the set of possible outputs is the combinatoric set of Collators produced
// by all possibleOutputs of locale/caseSensitive/diacriticSensitive
// But for the primary use of Collators in comparison operators, we ignore the Collator's
// possibleOutputs anyway, so we can get away with leaving this undefined for now.
return { nullopt };
}
mbgl::Value serialize() const override;
std::string getOperator() const override { return "collator"; }
private:
std::unique_ptr<Expression> caseSensitive;
std::unique_ptr<Expression> diacriticSensitive;
optional<std::unique_ptr<Expression>> locale;
};
} // namespace expression
} // namespace style
} // namespace mbgl
|
