function.hpp

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#pragma once
 
#include <mbgl/style/property_expression.hpp>
#include <mbgl/style/conversion/constant.hpp>
#include <mbgl/style/conversion.hpp>
#include <mbgl/style/expression/expression.hpp>
#include <mbgl/style/expression/value.hpp>
 
#include <optional>
 
namespace mbgl {
namespace style {
namespace conversion {
 
bool hasTokens(const std::string&);
std::unique_ptr<expression::Expression> convertTokenStringToFormatExpression(const std::string&);
std::unique_ptr<expression::Expression> convertTokenStringToImageExpression(const std::string&);
std::unique_ptr<expression::Expression> convertTokenStringToExpression(const std::string&);
 
std::optional<std::unique_ptr<expression::Expression>> convertFunctionToExpression(expression::type::Type, const Convertible&, Error&, bool convertTokens);
 
template <class T>
std::optional<PropertyExpression<T>> convertFunctionToExpression(const Convertible& value, Error& error, bool convertTokens);
 
} // namespace conversion
} // namespace style
} // namespace mbgl