int_parser.hpp

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#pragma once
 
/// @file userver/formats/json/parser/int_parser.hpp
/// @brief SAX parsers for JSON integral numbers.
/// @ingroup userver_universal
 
#include <cstdint>
 
#include <userver/formats/json/parser/typed_parser.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace formats::json::parser {
 
template <typename T = int>
class IntegralParser;
 
template <>
class IntegralParser<std::int32_t> final : public TypedParser<std::int32_t> {
public:
    using TypedParser<std::int32_t>::TypedParser;
 
    std::string GetPathItem() const override { return {}; }
 
    std::string Expected() const override { return "integer"; }
 
    void Int64(std::int64_t i) override;
 
    void Uint64(std::uint64_t i) override;
 
    void Double(double value) override;
};
 
template <>
class IntegralParser<std::int64_t> final : public TypedParser<std::int64_t> {
public:
    using TypedParser<std::int64_t>::TypedParser;
 
    std::string GetPathItem() const override { return {}; }
 
    std::string Expected() const override { return "integer"; }
 
    void Int64(std::int64_t i) override;
 
    void Uint64(std::uint64_t i) override;
 
    void Double(double value) override;
};
 
using IntParser = IntegralParser<std::int32_t>;
using Int32Parser = IntegralParser<std::int32_t>;
using Int64Parser = IntegralParser<std::int64_t>;
 
}  // namespace formats::json::parser
 
USERVER_NAMESPACE_END