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♻️ refined SFINAE to fix some warnings

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This commit is contained in:
Niels Lohmann 2018-03-07 22:01:44 +01:00
parent 476b2e09be
commit d2d65bb25b
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GPG Key ID: 7F3CEA63AE251B69
2 changed files with 194 additions and 174 deletions
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184
include/nlohmann/detail/output/binary_writer.hpp
View File

@ -704,116 +704,126 @@ class binary_writer
oa->write_characters(vec.data(), sizeof(NumberType));
}
template<typename NumberType>
// UBJSON: write number (floating point)
template<typename NumberType, typename std::enable_if<
std::is_floating_point<NumberType>::value, int>::type = 0>
void write_number_with_ubjson_prefix(const NumberType n,
const bool add_prefix)
{
if (std::is_floating_point<NumberType>::value)
if (add_prefix)
{
oa->write_character(static_cast<CharType>('D')); // float64
}
write_number(n);
}
// UBJSON: write number (unsigned integer)
template<typename NumberType, typename std::enable_if<
std::is_unsigned<NumberType>::value, int>::type = 0>
void write_number_with_ubjson_prefix(const NumberType n,
const bool add_prefix)
{
if (n <= static_cast<uint64_t>((std::numeric_limits<int8_t>::max)()))
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('D')); // float64
oa->write_character(static_cast<CharType>('i')); // int8
}
write_number(n);
write_number(static_cast<uint8_t>(n));
}
else if (std::is_unsigned<NumberType>::value)
else if (n <= (std::numeric_limits<uint8_t>::max)())
{
if (n <= (std::numeric_limits<int8_t>::max)())
if (add_prefix)
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('i')); // int8
}
write_number(static_cast<uint8_t>(n));
oa->write_character(static_cast<CharType>('U')); // uint8
}
else if (n <= (std::numeric_limits<uint8_t>::max)())
write_number(static_cast<uint8_t>(n));
}
else if (n <= static_cast<uint64_t>((std::numeric_limits<int16_t>::max)()))
{
if (add_prefix)
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('U')); // uint8
}
write_number(static_cast<uint8_t>(n));
oa->write_character(static_cast<CharType>('I')); // int16
}
else if (n <= (std::numeric_limits<int16_t>::max)())
write_number(static_cast<int16_t>(n));
}
else if (n <= static_cast<uint64_t>((std::numeric_limits<int32_t>::max)()))
{
if (add_prefix)
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('I')); // int16
}
write_number(static_cast<int16_t>(n));
oa->write_character(static_cast<CharType>('l')); // int32
}
else if (n <= (std::numeric_limits<int32_t>::max)())
write_number(static_cast<int32_t>(n));
}
else if (n <= static_cast<uint64_t>((std::numeric_limits<int64_t>::max)()))
{
if (add_prefix)
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('l')); // int32
}
write_number(static_cast<int32_t>(n));
}
else if (n <= (std::numeric_limits<int64_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('L')); // int64
}
write_number(static_cast<int64_t>(n));
}
else
{
JSON_THROW(out_of_range::create(407, "number overflow serializing " + std::to_string(n)));
oa->write_character(static_cast<CharType>('L')); // int64
}
write_number(static_cast<int64_t>(n));
}
else
{
if ((std::numeric_limits<int8_t>::min)() <= n and n <= (std::numeric_limits<int8_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('i')); // int8
}
write_number(static_cast<int8_t>(n));
}
else if ((std::numeric_limits<uint8_t>::min)() <= n and n <= (std::numeric_limits<uint8_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('U')); // uint8
}
write_number(static_cast<uint8_t>(n));
}
else if ((std::numeric_limits<int16_t>::min)() <= n and n <= (std::numeric_limits<int16_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('I')); // int16
}
write_number(static_cast<int16_t>(n));
}
else if ((std::numeric_limits<int32_t>::min)() <= n and n <= (std::numeric_limits<int32_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('l')); // int32
}
write_number(static_cast<int32_t>(n));
}
else if ((std::numeric_limits<int64_t>::min)() <= n and n <= (std::numeric_limits<int64_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('L')); // int64
}
write_number(static_cast<int64_t>(n));
}
// LCOV_EXCL_START
else
{
JSON_THROW(out_of_range::create(407, "number overflow serializing " + std::to_string(n)));
}
// LCOV_EXCL_STOP
JSON_THROW(out_of_range::create(407, "number overflow serializing " + std::to_string(n)));
}
}
// UBJSON: write number (signed integer)
template<typename NumberType, typename std::enable_if<
std::is_signed<NumberType>::value and
not std::is_floating_point<NumberType>::value, int>::type = 0>
void write_number_with_ubjson_prefix(const NumberType n,
const bool add_prefix)
{
if ((std::numeric_limits<int8_t>::min)() <= n and n <= (std::numeric_limits<int8_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('i')); // int8
}
write_number(static_cast<int8_t>(n));
}
else if (static_cast<int64_t>((std::numeric_limits<uint8_t>::min)()) <= n and n <= static_cast<int64_t>((std::numeric_limits<uint8_t>::max)()))
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('U')); // uint8
}
write_number(static_cast<uint8_t>(n));
}
else if ((std::numeric_limits<int16_t>::min)() <= n and n <= (std::numeric_limits<int16_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('I')); // int16
}
write_number(static_cast<int16_t>(n));
}
else if ((std::numeric_limits<int32_t>::min)() <= n and n <= (std::numeric_limits<int32_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('l')); // int32
}
write_number(static_cast<int32_t>(n));
}
else if ((std::numeric_limits<int64_t>::min)() <= n and n <= (std::numeric_limits<int64_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('L')); // int64
}
write_number(static_cast<int64_t>(n));
}
// LCOV_EXCL_START
else
{
JSON_THROW(out_of_range::create(407, "number overflow serializing " + std::to_string(n)));
}
// LCOV_EXCL_STOP
}
/*!
@brief determine the type prefix of container values

184
single_include/nlohmann/json.hpp
View File

@ -6909,116 +6909,126 @@ class binary_writer
oa->write_characters(vec.data(), sizeof(NumberType));
}
template<typename NumberType>
// UBJSON: write number (floating point)
template<typename NumberType, typename std::enable_if<
std::is_floating_point<NumberType>::value, int>::type = 0>
void write_number_with_ubjson_prefix(const NumberType n,
const bool add_prefix)
{
if (std::is_floating_point<NumberType>::value)
if (add_prefix)
{
oa->write_character(static_cast<CharType>('D')); // float64
}
write_number(n);
}
// UBJSON: write number (unsigned integer)
template<typename NumberType, typename std::enable_if<
std::is_unsigned<NumberType>::value, int>::type = 0>
void write_number_with_ubjson_prefix(const NumberType n,
const bool add_prefix)
{
if (n <= static_cast<uint64_t>((std::numeric_limits<int8_t>::max)()))
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('D')); // float64
oa->write_character(static_cast<CharType>('i')); // int8
}
write_number(n);
write_number(static_cast<uint8_t>(n));
}
else if (std::is_unsigned<NumberType>::value)
else if (n <= (std::numeric_limits<uint8_t>::max)())
{
if (n <= (std::numeric_limits<int8_t>::max)())
if (add_prefix)
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('i')); // int8
}
write_number(static_cast<uint8_t>(n));
oa->write_character(static_cast<CharType>('U')); // uint8
}
else if (n <= (std::numeric_limits<uint8_t>::max)())
write_number(static_cast<uint8_t>(n));
}
else if (n <= static_cast<uint64_t>((std::numeric_limits<int16_t>::max)()))
{
if (add_prefix)
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('U')); // uint8
}
write_number(static_cast<uint8_t>(n));
oa->write_character(static_cast<CharType>('I')); // int16
}
else if (n <= (std::numeric_limits<int16_t>::max)())
write_number(static_cast<int16_t>(n));
}
else if (n <= static_cast<uint64_t>((std::numeric_limits<int32_t>::max)()))
{
if (add_prefix)
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('I')); // int16
}
write_number(static_cast<int16_t>(n));
oa->write_character(static_cast<CharType>('l')); // int32
}
else if (n <= (std::numeric_limits<int32_t>::max)())
write_number(static_cast<int32_t>(n));
}
else if (n <= static_cast<uint64_t>((std::numeric_limits<int64_t>::max)()))
{
if (add_prefix)
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('l')); // int32
}
write_number(static_cast<int32_t>(n));
}
else if (n <= (std::numeric_limits<int64_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('L')); // int64
}
write_number(static_cast<int64_t>(n));
}
else
{
JSON_THROW(out_of_range::create(407, "number overflow serializing " + std::to_string(n)));
oa->write_character(static_cast<CharType>('L')); // int64
}
write_number(static_cast<int64_t>(n));
}
else
{
if ((std::numeric_limits<int8_t>::min)() <= n and n <= (std::numeric_limits<int8_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('i')); // int8
}
write_number(static_cast<int8_t>(n));
}
else if ((std::numeric_limits<uint8_t>::min)() <= n and n <= (std::numeric_limits<uint8_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('U')); // uint8
}
write_number(static_cast<uint8_t>(n));
}
else if ((std::numeric_limits<int16_t>::min)() <= n and n <= (std::numeric_limits<int16_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('I')); // int16
}
write_number(static_cast<int16_t>(n));
}
else if ((std::numeric_limits<int32_t>::min)() <= n and n <= (std::numeric_limits<int32_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('l')); // int32
}
write_number(static_cast<int32_t>(n));
}
else if ((std::numeric_limits<int64_t>::min)() <= n and n <= (std::numeric_limits<int64_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('L')); // int64
}
write_number(static_cast<int64_t>(n));
}
// LCOV_EXCL_START
else
{
JSON_THROW(out_of_range::create(407, "number overflow serializing " + std::to_string(n)));
}
// LCOV_EXCL_STOP
JSON_THROW(out_of_range::create(407, "number overflow serializing " + std::to_string(n)));
}
}
// UBJSON: write number (signed integer)
template<typename NumberType, typename std::enable_if<
std::is_signed<NumberType>::value and
not std::is_floating_point<NumberType>::value, int>::type = 0>
void write_number_with_ubjson_prefix(const NumberType n,
const bool add_prefix)
{
if ((std::numeric_limits<int8_t>::min)() <= n and n <= (std::numeric_limits<int8_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('i')); // int8
}
write_number(static_cast<int8_t>(n));
}
else if (static_cast<int64_t>((std::numeric_limits<uint8_t>::min)()) <= n and n <= static_cast<int64_t>((std::numeric_limits<uint8_t>::max)()))
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('U')); // uint8
}
write_number(static_cast<uint8_t>(n));
}
else if ((std::numeric_limits<int16_t>::min)() <= n and n <= (std::numeric_limits<int16_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('I')); // int16
}
write_number(static_cast<int16_t>(n));
}
else if ((std::numeric_limits<int32_t>::min)() <= n and n <= (std::numeric_limits<int32_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('l')); // int32
}
write_number(static_cast<int32_t>(n));
}
else if ((std::numeric_limits<int64_t>::min)() <= n and n <= (std::numeric_limits<int64_t>::max)())
{
if (add_prefix)
{
oa->write_character(static_cast<CharType>('L')); // int64
}
write_number(static_cast<int64_t>(n));
}
// LCOV_EXCL_START
else
{
JSON_THROW(out_of_range::create(407, "number overflow serializing " + std::to_string(n)));
}
// LCOV_EXCL_STOP
}
/*!
@brief determine the type prefix of container values