mirror of
https://github.com/nlohmann/json.git
synced 2024-12-15 14:39:02 +08:00
143 lines
6.0 KiB
C++
143 lines
6.0 KiB
C++
#pragma once
|
|
|
|
#include <cstdint> // size_t
|
|
#include <utility> // declval
|
|
#include <string> // string
|
|
|
|
#include <nlohmann/detail/meta/detected.hpp>
|
|
#include <nlohmann/detail/meta/type_traits.hpp>
|
|
|
|
namespace nlohmann
|
|
{
|
|
namespace detail
|
|
{
|
|
template <typename T>
|
|
using null_function_t = decltype(std::declval<T&>().null());
|
|
|
|
template <typename T>
|
|
using boolean_function_t =
|
|
decltype(std::declval<T&>().boolean(std::declval<bool>()));
|
|
|
|
template <typename T, typename Integer>
|
|
using number_integer_function_t =
|
|
decltype(std::declval<T&>().number_integer(std::declval<Integer>()));
|
|
|
|
template <typename T, typename Unsigned>
|
|
using number_unsigned_function_t =
|
|
decltype(std::declval<T&>().number_unsigned(std::declval<Unsigned>()));
|
|
|
|
template <typename T, typename Float, typename String>
|
|
using number_float_function_t = decltype(std::declval<T&>().number_float(
|
|
std::declval<Float>(), std::declval<const String&>()));
|
|
|
|
template <typename T, typename String>
|
|
using string_function_t =
|
|
decltype(std::declval<T&>().string(std::declval<String&>()));
|
|
|
|
template <typename T>
|
|
using start_object_function_t =
|
|
decltype(std::declval<T&>().start_object(std::declval<std::size_t>()));
|
|
|
|
template <typename T, typename String>
|
|
using key_function_t =
|
|
decltype(std::declval<T&>().key(std::declval<String&>()));
|
|
|
|
template <typename T>
|
|
using end_object_function_t = decltype(std::declval<T&>().end_object());
|
|
|
|
template <typename T>
|
|
using start_array_function_t =
|
|
decltype(std::declval<T&>().start_array(std::declval<std::size_t>()));
|
|
|
|
template <typename T>
|
|
using end_array_function_t = decltype(std::declval<T&>().end_array());
|
|
|
|
template <typename T, typename Exception>
|
|
using parse_error_function_t = decltype(std::declval<T&>().parse_error(
|
|
std::declval<std::size_t>(), std::declval<const std::string&>(),
|
|
std::declval<const Exception&>()));
|
|
|
|
template <typename SAX, typename BasicJsonType>
|
|
struct is_sax
|
|
{
|
|
private:
|
|
static_assert(is_basic_json<BasicJsonType>::value,
|
|
"BasicJsonType must be of type basic_json<...>");
|
|
|
|
using number_integer_t = typename BasicJsonType::number_integer_t;
|
|
using number_unsigned_t = typename BasicJsonType::number_unsigned_t;
|
|
using number_float_t = typename BasicJsonType::number_float_t;
|
|
using string_t = typename BasicJsonType::string_t;
|
|
using exception_t = typename BasicJsonType::exception;
|
|
|
|
public:
|
|
static constexpr bool value =
|
|
is_detected_exact<bool, null_function_t, SAX>::value &&
|
|
is_detected_exact<bool, boolean_function_t, SAX>::value &&
|
|
is_detected_exact<bool, number_integer_function_t, SAX,
|
|
number_integer_t>::value &&
|
|
is_detected_exact<bool, number_unsigned_function_t, SAX,
|
|
number_unsigned_t>::value &&
|
|
is_detected_exact<bool, number_float_function_t, SAX, number_float_t,
|
|
string_t>::value &&
|
|
is_detected_exact<bool, string_function_t, SAX, string_t>::value &&
|
|
is_detected_exact<bool, start_object_function_t, SAX>::value &&
|
|
is_detected_exact<bool, key_function_t, SAX, string_t>::value &&
|
|
is_detected_exact<bool, end_object_function_t, SAX>::value &&
|
|
is_detected_exact<bool, start_array_function_t, SAX>::value &&
|
|
is_detected_exact<bool, end_array_function_t, SAX>::value &&
|
|
is_detected_exact<bool, parse_error_function_t, SAX, exception_t>::value;
|
|
};
|
|
|
|
template <typename SAX, typename BasicJsonType>
|
|
struct is_sax_static_asserts
|
|
{
|
|
private:
|
|
static_assert(is_basic_json<BasicJsonType>::value,
|
|
"BasicJsonType must be of type basic_json<...>");
|
|
|
|
using number_integer_t = typename BasicJsonType::number_integer_t;
|
|
using number_unsigned_t = typename BasicJsonType::number_unsigned_t;
|
|
using number_float_t = typename BasicJsonType::number_float_t;
|
|
using string_t = typename BasicJsonType::string_t;
|
|
using exception_t = typename BasicJsonType::exception;
|
|
|
|
public:
|
|
static_assert(is_detected_exact<bool, null_function_t, SAX>::value,
|
|
"Missing/invalid function: bool null()");
|
|
static_assert(is_detected_exact<bool, boolean_function_t, SAX>::value,
|
|
"Missing/invalid function: bool boolean(bool)");
|
|
static_assert(is_detected_exact<bool, boolean_function_t, SAX>::value,
|
|
"Missing/invalid function: bool boolean(bool)");
|
|
static_assert(
|
|
is_detected_exact<bool, number_integer_function_t, SAX,
|
|
number_integer_t>::value,
|
|
"Missing/invalid function: bool number_integer(number_integer_t)");
|
|
static_assert(
|
|
is_detected_exact<bool, number_unsigned_function_t, SAX,
|
|
number_unsigned_t>::value,
|
|
"Missing/invalid function: bool number_unsigned(number_unsigned_t)");
|
|
static_assert(is_detected_exact<bool, number_float_function_t, SAX,
|
|
number_float_t, string_t>::value,
|
|
"Missing/invalid function: bool number_float(number_float_t, const string_t&)");
|
|
static_assert(
|
|
is_detected_exact<bool, string_function_t, SAX, string_t>::value,
|
|
"Missing/invalid function: bool string(string_t&)");
|
|
static_assert(is_detected_exact<bool, start_object_function_t, SAX>::value,
|
|
"Missing/invalid function: bool start_object(std::size_t)");
|
|
static_assert(is_detected_exact<bool, key_function_t, SAX, string_t>::value,
|
|
"Missing/invalid function: bool key(string_t&)");
|
|
static_assert(is_detected_exact<bool, end_object_function_t, SAX>::value,
|
|
"Missing/invalid function: bool end_object()");
|
|
static_assert(is_detected_exact<bool, start_array_function_t, SAX>::value,
|
|
"Missing/invalid function: bool start_array(std::size_t)");
|
|
static_assert(is_detected_exact<bool, end_array_function_t, SAX>::value,
|
|
"Missing/invalid function: bool end_array()");
|
|
static_assert(
|
|
is_detected_exact<bool, parse_error_function_t, SAX, exception_t>::value,
|
|
"Missing/invalid function: bool parse_error(std::size_t, const "
|
|
"std::string&, const exception&)");
|
|
};
|
|
} // namespace detail
|
|
} // namespace nlohmann
|