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BSON: serialization of non-objects is not supported

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This commit is contained in:
Julian Becker 2018-09-14 22:58:22 +02:00
parent 186c747a19
commit f06c8fd8e3
7 changed files with 336 additions and 2 deletions
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55
include/nlohmann/detail/output/binary_writer.hpp
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@ -676,6 +676,37 @@ class binary_writer
}
}
/*!
@param[in] j JSON value to serialize
@pre j.type() == value_t::object
*/
void write_bson_object(const BasicJsonType& j)
{
assert(j.type() == value_t::object);
}
/*!
@param[in] j JSON value to serialize
@pre j.type() == value_t::object
*/
void write_bson(const BasicJsonType& j)
{
switch (j.type())
{
default:
JSON_THROW(type_error::create(317, "JSON value cannot be serialized to requested format"));
break;
case value_t::discarded:
break;
case value_t::object:
write_bson_object(j);
break;
}
}
private:
/*
@brief write a number to output input
@ -704,6 +735,30 @@ class binary_writer
oa->write_characters(vec.data(), sizeof(NumberType));
}
/*
@brief write a number to output in little endian format
@param[in] n number of type @a NumberType
@tparam NumberType the type of the number
*/
template<typename NumberType>
void write_number_little_endian(const NumberType n)
{
// step 1: write number to array of length NumberType
std::array<CharType, sizeof(NumberType)> vec;
std::memcpy(vec.data(), &n, sizeof(NumberType));
// step 2: write array to output (with possible reordering)
if (!is_little_endian)
{
// reverse byte order prior to conversion if necessary
std::reverse(vec.begin(), vec.end());
}
oa->write_characters(vec.data(), sizeof(NumberType));
}
// UBJSON: write number (floating point)
template<typename NumberType, typename std::enable_if<
std::is_floating_point<NumberType>::value, int>::type = 0>