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#pragma once
#include <mbgl/style/expression/parse.hpp>
#include <mbgl/style/expression/in.hpp>
#include <mbgl/style/expression/parsing_context.hpp>
#include <mbgl/style/expression/type.hpp>
namespace mbgl {
namespace style {
namespace expression {
struct ParseIn {
template <typename V>
static ParseResult parse(const V& value, ParsingContext ctx) {
using namespace mbgl::style::conversion;
assert(isArray(value));
std::size_t length = arrayLength(value);
if (length != 3) {
ctx.error("Expected 2 arguments, but found " + std::to_string(length - 1) + " instead.");
return ParseResult();
}
ParseResult haystack = parseExpression(arrayMember(value, 2), ParsingContext(ctx, 2, {type::Array(type::Value)}));
if (!haystack) return ParseResult();
type::Type itemType = (*haystack)->getType().template get<type::Array>().itemType;
ParseResult needle = parseExpression(arrayMember(value, 1), ParsingContext(ctx, 1, {itemType}));
if (!needle) return ParseResult();
type::Type needleType = (*needle)->getType();
if (needleType == type::Object || needleType == type::Color || needleType.template is<type::Array>()) {
ctx.error(R"("contains" does not support searching for values of type )" + toString(needleType) + ".");
return ParseResult();
}
return ParseResult(std::make_unique<In>(std::move(*needle), std::move(*haystack)));
}
};
} // namespace expression
} // namespace style
} // namespace mbgl
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