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BSON: unsigned integers

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This commit is contained in:
Julian Becker 2018-09-15 12:11:21 +02:00
parent c0d8921a67
commit 83b427ad67
3 changed files with 136 additions and 4 deletions
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34
include/nlohmann/detail/output/binary_writer.hpp
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@ -723,14 +723,42 @@ class binary_writer
std::size_t write_bson_integer(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
if (j.m_value.number_integer <= static_cast<uint64_t>((std::numeric_limits<int32_t>::max)()))
auto n = j.m_value.number_integer;
if ((std::numeric_limits<int32_t>::min)() <= n and n <= (std::numeric_limits<int32_t>::max)())
{
oa->write_character(static_cast<CharType>(0x10)); // int32
oa->write_characters(
reinterpret_cast<const CharType*>(name.c_str()),
name.size() + 1u);
write_number_little_endian(static_cast<std::int32_t>(j.m_value.number_integer));
write_number_little_endian(static_cast<std::int32_t>(n));
return /*id*/ 1ul + name.size() + 1ul + sizeof(std::int32_t);
}
else
{
oa->write_character(static_cast<CharType>(0x12)); // int64
oa->write_characters(
reinterpret_cast<const CharType*>(name.c_str()),
name.size() + 1u);
write_number_little_endian(static_cast<std::int64_t>(j.m_value.number_integer));
return /*id*/ 1ul + name.size() + 1ul + sizeof(std::int64_t);
}
}
std::size_t write_bson_unsigned(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
auto n = j.m_value.number_integer;
if (n <= static_cast<uint64_t>((std::numeric_limits<uint32_t>::max)()))
{
oa->write_character(static_cast<CharType>(0x10)); // int32
oa->write_characters(
reinterpret_cast<const CharType*>(name.c_str()),
name.size() + 1u);
write_number_little_endian(static_cast<std::int32_t>(n));
return /*id*/ 1ul + name.size() + 1ul + sizeof(std::int32_t);
}
@ -760,6 +788,8 @@ class binary_writer
return write_bson_double(name, j);
case value_t::number_integer:
return write_bson_integer(name, j);
case value_t::number_unsigned:
return write_bson_unsigned(name, j);
case value_t::string:
return write_bson_string(name, j);
case value_t::null: