diff --git a/include/nlohmann/detail/meta/type_traits.hpp b/include/nlohmann/detail/meta/type_traits.hpp index efe878f6..4c4c4d3d 100644 --- a/include/nlohmann/detail/meta/type_traits.hpp +++ b/include/nlohmann/detail/meta/type_traits.hpp @@ -193,13 +193,13 @@ struct is_constructible_object_type_impl < static constexpr bool value = std::is_constructible::value and - std::is_same::value or - (has_from_json::value or - has_non_default_from_json < - BasicJsonType, - typename ConstructibleObjectType::mapped_type >::value); + (has_from_json::value or + has_non_default_from_json < + BasicJsonType, + typename ConstructibleObjectType::mapped_type >::value)); }; template diff --git a/include/nlohmann/detail/output/binary_writer.hpp b/include/nlohmann/detail/output/binary_writer.hpp index d4b5e98f..6312020e 100644 --- a/include/nlohmann/detail/output/binary_writer.hpp +++ b/include/nlohmann/detail/output/binary_writer.hpp @@ -43,15 +43,15 @@ class binary_writer { case value_t::null: { - oa->write_character(static_cast(0xF6)); + oa->write_character(to_char_type(0xF6)); break; } case value_t::boolean: { oa->write_character(j.m_value.boolean - ? static_cast(0xF5) - : static_cast(0xF4)); + ? to_char_type(0xF5) + : to_char_type(0xF4)); break; } @@ -68,22 +68,22 @@ class binary_writer } else if (j.m_value.number_integer <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x18)); + oa->write_character(to_char_type(0x18)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x19)); + oa->write_character(to_char_type(0x19)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x1A)); + oa->write_character(to_char_type(0x1A)); write_number(static_cast(j.m_value.number_integer)); } else { - oa->write_character(static_cast(0x1B)); + oa->write_character(to_char_type(0x1B)); write_number(static_cast(j.m_value.number_integer)); } } @@ -98,22 +98,22 @@ class binary_writer } else if (positive_number <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x38)); + oa->write_character(to_char_type(0x38)); write_number(static_cast(positive_number)); } else if (positive_number <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x39)); + oa->write_character(to_char_type(0x39)); write_number(static_cast(positive_number)); } else if (positive_number <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x3A)); + oa->write_character(to_char_type(0x3A)); write_number(static_cast(positive_number)); } else { - oa->write_character(static_cast(0x3B)); + oa->write_character(to_char_type(0x3B)); write_number(static_cast(positive_number)); } } @@ -128,22 +128,22 @@ class binary_writer } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x18)); + oa->write_character(to_char_type(0x18)); write_number(static_cast(j.m_value.number_unsigned)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x19)); + oa->write_character(to_char_type(0x19)); write_number(static_cast(j.m_value.number_unsigned)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x1A)); + oa->write_character(to_char_type(0x1A)); write_number(static_cast(j.m_value.number_unsigned)); } else { - oa->write_character(static_cast(0x1B)); + oa->write_character(to_char_type(0x1B)); write_number(static_cast(j.m_value.number_unsigned)); } break; @@ -166,23 +166,23 @@ class binary_writer } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x78)); + oa->write_character(to_char_type(0x78)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x79)); + oa->write_character(to_char_type(0x79)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x7A)); + oa->write_character(to_char_type(0x7A)); write_number(static_cast(N)); } // LCOV_EXCL_START else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x7B)); + oa->write_character(to_char_type(0x7B)); write_number(static_cast(N)); } // LCOV_EXCL_STOP @@ -204,23 +204,23 @@ class binary_writer } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x98)); + oa->write_character(to_char_type(0x98)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x99)); + oa->write_character(to_char_type(0x99)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x9A)); + oa->write_character(to_char_type(0x9A)); write_number(static_cast(N)); } // LCOV_EXCL_START else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x9B)); + oa->write_character(to_char_type(0x9B)); write_number(static_cast(N)); } // LCOV_EXCL_STOP @@ -243,23 +243,23 @@ class binary_writer } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0xB8)); + oa->write_character(to_char_type(0xB8)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0xB9)); + oa->write_character(to_char_type(0xB9)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0xBA)); + oa->write_character(to_char_type(0xBA)); write_number(static_cast(N)); } // LCOV_EXCL_START else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0xBB)); + oa->write_character(to_char_type(0xBB)); write_number(static_cast(N)); } // LCOV_EXCL_STOP @@ -287,15 +287,15 @@ class binary_writer { case value_t::null: // nil { - oa->write_character(static_cast(0xC0)); + oa->write_character(to_char_type(0xC0)); break; } case value_t::boolean: // true and false { oa->write_character(j.m_value.boolean - ? static_cast(0xC3) - : static_cast(0xC2)); + ? to_char_type(0xC3) + : to_char_type(0xC2)); break; } @@ -314,25 +314,25 @@ class binary_writer else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 8 - oa->write_character(static_cast(0xCC)); + oa->write_character(to_char_type(0xCC)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 16 - oa->write_character(static_cast(0xCD)); + oa->write_character(to_char_type(0xCD)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 32 - oa->write_character(static_cast(0xCE)); + oa->write_character(to_char_type(0xCE)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 64 - oa->write_character(static_cast(0xCF)); + oa->write_character(to_char_type(0xCF)); write_number(static_cast(j.m_value.number_integer)); } } @@ -347,28 +347,28 @@ class binary_writer j.m_value.number_integer <= (std::numeric_limits::max)()) { // int 8 - oa->write_character(static_cast(0xD0)); + oa->write_character(to_char_type(0xD0)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer >= (std::numeric_limits::min)() and j.m_value.number_integer <= (std::numeric_limits::max)()) { // int 16 - oa->write_character(static_cast(0xD1)); + oa->write_character(to_char_type(0xD1)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer >= (std::numeric_limits::min)() and j.m_value.number_integer <= (std::numeric_limits::max)()) { // int 32 - oa->write_character(static_cast(0xD2)); + oa->write_character(to_char_type(0xD2)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer >= (std::numeric_limits::min)() and j.m_value.number_integer <= (std::numeric_limits::max)()) { // int 64 - oa->write_character(static_cast(0xD3)); + oa->write_character(to_char_type(0xD3)); write_number(static_cast(j.m_value.number_integer)); } } @@ -385,25 +385,25 @@ class binary_writer else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 8 - oa->write_character(static_cast(0xCC)); + oa->write_character(to_char_type(0xCC)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 16 - oa->write_character(static_cast(0xCD)); + oa->write_character(to_char_type(0xCD)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 32 - oa->write_character(static_cast(0xCE)); + oa->write_character(to_char_type(0xCE)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 64 - oa->write_character(static_cast(0xCF)); + oa->write_character(to_char_type(0xCF)); write_number(static_cast(j.m_value.number_integer)); } break; @@ -428,19 +428,19 @@ class binary_writer else if (N <= (std::numeric_limits::max)()) { // str 8 - oa->write_character(static_cast(0xD9)); + oa->write_character(to_char_type(0xD9)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { // str 16 - oa->write_character(static_cast(0xDA)); + oa->write_character(to_char_type(0xDA)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { // str 32 - oa->write_character(static_cast(0xDB)); + oa->write_character(to_char_type(0xDB)); write_number(static_cast(N)); } @@ -463,13 +463,13 @@ class binary_writer else if (N <= (std::numeric_limits::max)()) { // array 16 - oa->write_character(static_cast(0xDC)); + oa->write_character(to_char_type(0xDC)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { // array 32 - oa->write_character(static_cast(0xDD)); + oa->write_character(to_char_type(0xDD)); write_number(static_cast(N)); } @@ -493,13 +493,13 @@ class binary_writer else if (N <= (std::numeric_limits::max)()) { // map 16 - oa->write_character(static_cast(0xDE)); + oa->write_character(to_char_type(0xDE)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { // map 32 - oa->write_character(static_cast(0xDF)); + oa->write_character(to_char_type(0xDF)); write_number(static_cast(N)); } @@ -532,7 +532,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('Z')); + oa->write_character(to_char_type('Z')); } break; } @@ -542,8 +542,8 @@ class binary_writer if (add_prefix) { oa->write_character(j.m_value.boolean - ? static_cast('T') - : static_cast('F')); + ? to_char_type('T') + : to_char_type('F')); } break; } @@ -570,7 +570,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('S')); + oa->write_character(to_char_type('S')); } write_number_with_ubjson_prefix(j.m_value.string->size(), true); oa->write_characters( @@ -583,7 +583,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('[')); + oa->write_character(to_char_type('[')); } bool prefix_required = true; @@ -600,14 +600,14 @@ class binary_writer if (same_prefix) { prefix_required = false; - oa->write_character(static_cast('$')); + oa->write_character(to_char_type('$')); oa->write_character(first_prefix); } } if (use_count) { - oa->write_character(static_cast('#')); + oa->write_character(to_char_type('#')); write_number_with_ubjson_prefix(j.m_value.array->size(), true); } @@ -618,7 +618,7 @@ class binary_writer if (not use_count) { - oa->write_character(static_cast(']')); + oa->write_character(to_char_type(']')); } break; @@ -628,7 +628,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('{')); + oa->write_character(to_char_type('{')); } bool prefix_required = true; @@ -645,14 +645,14 @@ class binary_writer if (same_prefix) { prefix_required = false; - oa->write_character(static_cast('$')); + oa->write_character(to_char_type('$')); oa->write_character(first_prefix); } } if (use_count) { - oa->write_character(static_cast('#')); + oa->write_character(to_char_type('#')); write_number_with_ubjson_prefix(j.m_value.object->size(), true); } @@ -667,7 +667,7 @@ class binary_writer if (not use_count) { - oa->write_character(static_cast('}')); + oa->write_character(to_char_type('}')); } break; @@ -729,7 +729,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('i')); // int8 + oa->write_character(to_char_type('i')); // int8 } write_number(static_cast(n)); } @@ -737,7 +737,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('U')); // uint8 + oa->write_character(to_char_type('U')); // uint8 } write_number(static_cast(n)); } @@ -745,7 +745,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('I')); // int16 + oa->write_character(to_char_type('I')); // int16 } write_number(static_cast(n)); } @@ -753,7 +753,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('l')); // int32 + oa->write_character(to_char_type('l')); // int32 } write_number(static_cast(n)); } @@ -761,7 +761,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('L')); // int64 + oa->write_character(to_char_type('L')); // int64 } write_number(static_cast(n)); } @@ -782,7 +782,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('i')); // int8 + oa->write_character(to_char_type('i')); // int8 } write_number(static_cast(n)); } @@ -790,7 +790,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('U')); // uint8 + oa->write_character(to_char_type('U')); // uint8 } write_number(static_cast(n)); } @@ -798,7 +798,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('I')); // int16 + oa->write_character(to_char_type('I')); // int16 } write_number(static_cast(n)); } @@ -806,7 +806,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('l')); // int32 + oa->write_character(to_char_type('l')); // int32 } write_number(static_cast(n)); } @@ -814,7 +814,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('L')); // int64 + oa->write_character(to_char_type('L')); // int64 } write_number(static_cast(n)); } @@ -908,22 +908,22 @@ class binary_writer static constexpr CharType get_cbor_float_prefix(float /*unused*/) { - return static_cast(0xFA); // Single-Precision Float + return to_char_type(0xFA); // Single-Precision Float } static constexpr CharType get_cbor_float_prefix(double /*unused*/) { - return static_cast(0xFB); // Double-Precision Float + return to_char_type(0xFB); // Double-Precision Float } static constexpr CharType get_msgpack_float_prefix(float /*unused*/) { - return static_cast(0xCA); // float 32 + return to_char_type(0xCA); // float 32 } static constexpr CharType get_msgpack_float_prefix(double /*unused*/) { - return static_cast(0xCB); // float 64 + return to_char_type(0xCB); // float 64 } static constexpr CharType get_ubjson_float_prefix(float /*unused*/) @@ -936,6 +936,31 @@ class binary_writer return 'D'; // float 64 } + template < typename C = CharType, + enable_if_t < std::is_signed::value and std::is_signed::value > * = nullptr > + static constexpr CharType to_char_type(std::uint8_t x) noexcept + { + return *reinterpret_cast(&x); + } + + template < typename C = CharType, + enable_if_t < std::is_signed::value and std::is_unsigned::value > * = nullptr > + static CharType to_char_type(std::uint8_t x) noexcept + { + static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t"); + static_assert(std::is_pod::value, "CharType must be POD"); + CharType result; + std::memcpy(&result, &x, sizeof(x)); + return result; + } + + template::value>* = nullptr> + static constexpr CharType to_char_type(std::uint8_t x) noexcept + { + return x; + } + private: /// whether we can assume little endianess const bool is_little_endian = binary_reader::little_endianess(); diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp index 1de78dfc..9e2439ae 100644 --- a/single_include/nlohmann/json.hpp +++ b/single_include/nlohmann/json.hpp @@ -553,13 +553,13 @@ struct is_constructible_object_type_impl < static constexpr bool value = std::is_constructible::value and - std::is_same::value or - (has_from_json::value or - has_non_default_from_json < - BasicJsonType, - typename ConstructibleObjectType::mapped_type >::value); + (has_from_json::value or + has_non_default_from_json < + BasicJsonType, + typename ConstructibleObjectType::mapped_type >::value)); }; template @@ -8088,15 +8088,15 @@ class binary_writer { case value_t::null: { - oa->write_character(static_cast(0xF6)); + oa->write_character(to_char_type(0xF6)); break; } case value_t::boolean: { oa->write_character(j.m_value.boolean - ? static_cast(0xF5) - : static_cast(0xF4)); + ? to_char_type(0xF5) + : to_char_type(0xF4)); break; } @@ -8113,22 +8113,22 @@ class binary_writer } else if (j.m_value.number_integer <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x18)); + oa->write_character(to_char_type(0x18)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x19)); + oa->write_character(to_char_type(0x19)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x1A)); + oa->write_character(to_char_type(0x1A)); write_number(static_cast(j.m_value.number_integer)); } else { - oa->write_character(static_cast(0x1B)); + oa->write_character(to_char_type(0x1B)); write_number(static_cast(j.m_value.number_integer)); } } @@ -8143,22 +8143,22 @@ class binary_writer } else if (positive_number <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x38)); + oa->write_character(to_char_type(0x38)); write_number(static_cast(positive_number)); } else if (positive_number <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x39)); + oa->write_character(to_char_type(0x39)); write_number(static_cast(positive_number)); } else if (positive_number <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x3A)); + oa->write_character(to_char_type(0x3A)); write_number(static_cast(positive_number)); } else { - oa->write_character(static_cast(0x3B)); + oa->write_character(to_char_type(0x3B)); write_number(static_cast(positive_number)); } } @@ -8173,22 +8173,22 @@ class binary_writer } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x18)); + oa->write_character(to_char_type(0x18)); write_number(static_cast(j.m_value.number_unsigned)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x19)); + oa->write_character(to_char_type(0x19)); write_number(static_cast(j.m_value.number_unsigned)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x1A)); + oa->write_character(to_char_type(0x1A)); write_number(static_cast(j.m_value.number_unsigned)); } else { - oa->write_character(static_cast(0x1B)); + oa->write_character(to_char_type(0x1B)); write_number(static_cast(j.m_value.number_unsigned)); } break; @@ -8211,23 +8211,23 @@ class binary_writer } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x78)); + oa->write_character(to_char_type(0x78)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x79)); + oa->write_character(to_char_type(0x79)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x7A)); + oa->write_character(to_char_type(0x7A)); write_number(static_cast(N)); } // LCOV_EXCL_START else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x7B)); + oa->write_character(to_char_type(0x7B)); write_number(static_cast(N)); } // LCOV_EXCL_STOP @@ -8249,23 +8249,23 @@ class binary_writer } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x98)); + oa->write_character(to_char_type(0x98)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x99)); + oa->write_character(to_char_type(0x99)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x9A)); + oa->write_character(to_char_type(0x9A)); write_number(static_cast(N)); } // LCOV_EXCL_START else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0x9B)); + oa->write_character(to_char_type(0x9B)); write_number(static_cast(N)); } // LCOV_EXCL_STOP @@ -8288,23 +8288,23 @@ class binary_writer } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0xB8)); + oa->write_character(to_char_type(0xB8)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0xB9)); + oa->write_character(to_char_type(0xB9)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0xBA)); + oa->write_character(to_char_type(0xBA)); write_number(static_cast(N)); } // LCOV_EXCL_START else if (N <= (std::numeric_limits::max)()) { - oa->write_character(static_cast(0xBB)); + oa->write_character(to_char_type(0xBB)); write_number(static_cast(N)); } // LCOV_EXCL_STOP @@ -8332,15 +8332,15 @@ class binary_writer { case value_t::null: // nil { - oa->write_character(static_cast(0xC0)); + oa->write_character(to_char_type(0xC0)); break; } case value_t::boolean: // true and false { oa->write_character(j.m_value.boolean - ? static_cast(0xC3) - : static_cast(0xC2)); + ? to_char_type(0xC3) + : to_char_type(0xC2)); break; } @@ -8359,25 +8359,25 @@ class binary_writer else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 8 - oa->write_character(static_cast(0xCC)); + oa->write_character(to_char_type(0xCC)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 16 - oa->write_character(static_cast(0xCD)); + oa->write_character(to_char_type(0xCD)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 32 - oa->write_character(static_cast(0xCE)); + oa->write_character(to_char_type(0xCE)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 64 - oa->write_character(static_cast(0xCF)); + oa->write_character(to_char_type(0xCF)); write_number(static_cast(j.m_value.number_integer)); } } @@ -8392,28 +8392,28 @@ class binary_writer j.m_value.number_integer <= (std::numeric_limits::max)()) { // int 8 - oa->write_character(static_cast(0xD0)); + oa->write_character(to_char_type(0xD0)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer >= (std::numeric_limits::min)() and j.m_value.number_integer <= (std::numeric_limits::max)()) { // int 16 - oa->write_character(static_cast(0xD1)); + oa->write_character(to_char_type(0xD1)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer >= (std::numeric_limits::min)() and j.m_value.number_integer <= (std::numeric_limits::max)()) { // int 32 - oa->write_character(static_cast(0xD2)); + oa->write_character(to_char_type(0xD2)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_integer >= (std::numeric_limits::min)() and j.m_value.number_integer <= (std::numeric_limits::max)()) { // int 64 - oa->write_character(static_cast(0xD3)); + oa->write_character(to_char_type(0xD3)); write_number(static_cast(j.m_value.number_integer)); } } @@ -8430,25 +8430,25 @@ class binary_writer else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 8 - oa->write_character(static_cast(0xCC)); + oa->write_character(to_char_type(0xCC)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 16 - oa->write_character(static_cast(0xCD)); + oa->write_character(to_char_type(0xCD)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 32 - oa->write_character(static_cast(0xCE)); + oa->write_character(to_char_type(0xCE)); write_number(static_cast(j.m_value.number_integer)); } else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 64 - oa->write_character(static_cast(0xCF)); + oa->write_character(to_char_type(0xCF)); write_number(static_cast(j.m_value.number_integer)); } break; @@ -8473,19 +8473,19 @@ class binary_writer else if (N <= (std::numeric_limits::max)()) { // str 8 - oa->write_character(static_cast(0xD9)); + oa->write_character(to_char_type(0xD9)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { // str 16 - oa->write_character(static_cast(0xDA)); + oa->write_character(to_char_type(0xDA)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { // str 32 - oa->write_character(static_cast(0xDB)); + oa->write_character(to_char_type(0xDB)); write_number(static_cast(N)); } @@ -8508,13 +8508,13 @@ class binary_writer else if (N <= (std::numeric_limits::max)()) { // array 16 - oa->write_character(static_cast(0xDC)); + oa->write_character(to_char_type(0xDC)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { // array 32 - oa->write_character(static_cast(0xDD)); + oa->write_character(to_char_type(0xDD)); write_number(static_cast(N)); } @@ -8538,13 +8538,13 @@ class binary_writer else if (N <= (std::numeric_limits::max)()) { // map 16 - oa->write_character(static_cast(0xDE)); + oa->write_character(to_char_type(0xDE)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { // map 32 - oa->write_character(static_cast(0xDF)); + oa->write_character(to_char_type(0xDF)); write_number(static_cast(N)); } @@ -8577,7 +8577,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('Z')); + oa->write_character(to_char_type('Z')); } break; } @@ -8587,8 +8587,8 @@ class binary_writer if (add_prefix) { oa->write_character(j.m_value.boolean - ? static_cast('T') - : static_cast('F')); + ? to_char_type('T') + : to_char_type('F')); } break; } @@ -8615,7 +8615,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('S')); + oa->write_character(to_char_type('S')); } write_number_with_ubjson_prefix(j.m_value.string->size(), true); oa->write_characters( @@ -8628,7 +8628,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('[')); + oa->write_character(to_char_type('[')); } bool prefix_required = true; @@ -8645,14 +8645,14 @@ class binary_writer if (same_prefix) { prefix_required = false; - oa->write_character(static_cast('$')); + oa->write_character(to_char_type('$')); oa->write_character(first_prefix); } } if (use_count) { - oa->write_character(static_cast('#')); + oa->write_character(to_char_type('#')); write_number_with_ubjson_prefix(j.m_value.array->size(), true); } @@ -8663,7 +8663,7 @@ class binary_writer if (not use_count) { - oa->write_character(static_cast(']')); + oa->write_character(to_char_type(']')); } break; @@ -8673,7 +8673,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('{')); + oa->write_character(to_char_type('{')); } bool prefix_required = true; @@ -8690,14 +8690,14 @@ class binary_writer if (same_prefix) { prefix_required = false; - oa->write_character(static_cast('$')); + oa->write_character(to_char_type('$')); oa->write_character(first_prefix); } } if (use_count) { - oa->write_character(static_cast('#')); + oa->write_character(to_char_type('#')); write_number_with_ubjson_prefix(j.m_value.object->size(), true); } @@ -8712,7 +8712,7 @@ class binary_writer if (not use_count) { - oa->write_character(static_cast('}')); + oa->write_character(to_char_type('}')); } break; @@ -8774,7 +8774,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('i')); // int8 + oa->write_character(to_char_type('i')); // int8 } write_number(static_cast(n)); } @@ -8782,7 +8782,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('U')); // uint8 + oa->write_character(to_char_type('U')); // uint8 } write_number(static_cast(n)); } @@ -8790,7 +8790,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('I')); // int16 + oa->write_character(to_char_type('I')); // int16 } write_number(static_cast(n)); } @@ -8798,7 +8798,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('l')); // int32 + oa->write_character(to_char_type('l')); // int32 } write_number(static_cast(n)); } @@ -8806,7 +8806,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('L')); // int64 + oa->write_character(to_char_type('L')); // int64 } write_number(static_cast(n)); } @@ -8827,7 +8827,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('i')); // int8 + oa->write_character(to_char_type('i')); // int8 } write_number(static_cast(n)); } @@ -8835,7 +8835,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('U')); // uint8 + oa->write_character(to_char_type('U')); // uint8 } write_number(static_cast(n)); } @@ -8843,7 +8843,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('I')); // int16 + oa->write_character(to_char_type('I')); // int16 } write_number(static_cast(n)); } @@ -8851,7 +8851,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('l')); // int32 + oa->write_character(to_char_type('l')); // int32 } write_number(static_cast(n)); } @@ -8859,7 +8859,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(static_cast('L')); // int64 + oa->write_character(to_char_type('L')); // int64 } write_number(static_cast(n)); } @@ -8953,22 +8953,22 @@ class binary_writer static constexpr CharType get_cbor_float_prefix(float /*unused*/) { - return static_cast(0xFA); // Single-Precision Float + return to_char_type(0xFA); // Single-Precision Float } static constexpr CharType get_cbor_float_prefix(double /*unused*/) { - return static_cast(0xFB); // Double-Precision Float + return to_char_type(0xFB); // Double-Precision Float } static constexpr CharType get_msgpack_float_prefix(float /*unused*/) { - return static_cast(0xCA); // float 32 + return to_char_type(0xCA); // float 32 } static constexpr CharType get_msgpack_float_prefix(double /*unused*/) { - return static_cast(0xCB); // float 64 + return to_char_type(0xCB); // float 64 } static constexpr CharType get_ubjson_float_prefix(float /*unused*/) @@ -8981,6 +8981,31 @@ class binary_writer return 'D'; // float 64 } + template < typename C = CharType, + enable_if_t < std::is_signed::value and std::is_signed::value > * = nullptr > + static constexpr CharType to_char_type(std::uint8_t x) noexcept + { + return *reinterpret_cast(&x); + } + + template < typename C = CharType, + enable_if_t < std::is_signed::value and std::is_unsigned::value > * = nullptr > + static CharType to_char_type(std::uint8_t x) noexcept + { + static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t"); + static_assert(std::is_pod::value, "CharType must be POD"); + CharType result; + std::memcpy(&result, &x, sizeof(x)); + return result; + } + + template::value>* = nullptr> + static constexpr CharType to_char_type(std::uint8_t x) noexcept + { + return x; + } + private: /// whether we can assume little endianess const bool is_little_endian = binary_reader::little_endianess();