number_parser.hpp

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#pragma once
 
/// @file userver/formats/json/parser/number_parser.hpp
/// @brief @copybrief formats::json::parser::NumberParser
/// @ingroup userver_universal
 
#include <userver/formats/json/parser/typed_parser.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace formats::json::parser {
 
/// @brief SAX parsers for JSON floating-point numbers.
template <typename Number>
class NumberParser final : public formats::json::parser::TypedParser<Number> {
public:
    using formats::json::parser::TypedParser<Number>::TypedParser;
 
protected:
    void Int64(int64_t value) override { this->SetResult(value); }
 
    void Uint64(uint64_t value) override { this->SetResult(value); }
 
    void Double(double value) override { this->SetResult(std::move(value)); }
 
    std::string Expected() const override { return "number"; }
 
    std::string GetPathItem() const override { return {}; }
};
 
using DoubleParser = NumberParser<double>;
 
using FloatParser = NumberParser<float>;
 
}  // namespace formats::json::parser
 
USERVER_NAMESPACE_END