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#pragma once
#include <mbgl/style/property_value.hpp>
#include <mbgl/style/conversion/constant.hpp>
#include <mbgl/style/conversion/function.hpp>
#include <mbgl/style/conversion.hpp>
#include <mbgl/style/expression/value.hpp>
#include <mbgl/style/expression/is_constant.hpp>
#include <mbgl/style/expression/is_expression.hpp>
#include <mbgl/style/expression/parsing_context.hpp>
#include <mbgl/style/expression/literal.hpp>
namespace mbgl {
namespace style {
namespace conversion {
template <class T>
struct Converter<PropertyValue<T>> {
optional<PropertyValue<T>> operator()(const Convertible& value, Error& error, bool allowDataExpressions, bool convertTokens) const;
template <class S>
PropertyValue<T> maybeConvertTokens(const S& t) const {
return PropertyValue<T>(t);
};
PropertyValue<T> maybeConvertTokens(const std::string& t) const {
return hasTokens(t)
? PropertyValue<T>(PropertyExpression<T>(convertTokenStringToExpression(t)))
: PropertyValue<T>(t);
}
PropertyValue<T> maybeConvertTokens(const expression::Formatted& t) const {
// This only works with a single-section `Formatted` created automatically
// by parsing a plain-text `text-field` property.
// Token conversion happens later than the initial string->Formatted conversion
// General purpose `format` expressions with embedded tokens are not supported
const std::string& firstUnformattedSection = t.sections[0].text;
return hasTokens(firstUnformattedSection)
? PropertyValue<T>(PropertyExpression<T>(convertTokenStringToFormatExpression(firstUnformattedSection)))
: PropertyValue<T>(t);
}
};
} // namespace conversion
} // namespace style
} // namespace mbgl
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