d25e1a1e7f
* Relax typing for comparison operators Ports https://github.com/mapbox/mapbox-gl-js/pull/6961 * Review comments * Lint fixes
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
#pragma once
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#include <mbgl/style/expression/collator_expression.hpp>
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#include <mbgl/style/expression/expression.hpp>
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#include <mbgl/style/expression/parsing_context.hpp>
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#include <mbgl/style/conversion.hpp>
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#include <memory>
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namespace mbgl {
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namespace style {
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namespace expression {
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ParseResult parseComparison(const mbgl::style::conversion::Convertible&, ParsingContext&);
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class BasicComparison : public Expression {
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public:
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using CompareFunctionType = bool (*) (Value, Value);
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BasicComparison(
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std::string op,
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std::unique_ptr<Expression> lhs,
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std::unique_ptr<Expression> rhs);
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void eachChild(const std::function<void(const Expression&)>& visit) const override;
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bool operator==(const Expression&) const override;
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EvaluationResult evaluate(const EvaluationContext&) const override;
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std::vector<optional<Value>> possibleOutputs() const override;
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std::string getOperator() const override;
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private:
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std::string op;
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CompareFunctionType compare;
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std::unique_ptr<Expression> lhs;
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std::unique_ptr<Expression> rhs;
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bool needsRuntimeTypeCheck;
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};
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class CollatorComparison : public Expression {
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public:
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using CompareFunctionType = bool (*) (std::string, std::string, Collator);
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CollatorComparison(
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std::string op,
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std::unique_ptr<Expression> lhs,
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std::unique_ptr<Expression> rhs,
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std::unique_ptr<Expression> collator);
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void eachChild(const std::function<void(const Expression&)>& visit) const override;
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bool operator==(const Expression&) const override;
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EvaluationResult evaluate(const EvaluationContext&) const override;
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std::vector<optional<Value>> possibleOutputs() const override;
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std::string getOperator() const override;
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private:
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std::string op;
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CompareFunctionType compare;
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std::unique_ptr<Expression> lhs;
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std::unique_ptr<Expression> rhs;
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std::unique_ptr<Expression> collator;
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bool needsRuntimeTypeCheck;
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};
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} // namespace expression
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} // namespace style
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} // namespace mbgl
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