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BSON: Support for arrays

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This commit is contained in:
Julian Becker 2018-09-15 13:54:08 +02:00
parent 120d1d77d4
commit cf485c2907
4 changed files with 154 additions and 21 deletions
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24
include/nlohmann/detail/output/binary_writer.hpp
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@ -787,6 +787,28 @@ class binary_writer
return /*id*/ 1ul + name.size() + 1ul + embedded_document_size;
}
std::size_t write_bson_array(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
oa->write_character(static_cast<CharType>(0x04)); // object
oa->write_characters(
reinterpret_cast<const CharType*>(name.c_str()),
name.size() + 1u);
auto document_size_offset = oa->reserve_characters(4ul);
std::int32_t embedded_document_size = 5ul;
for (const auto& el : *j.m_value.array)
{
embedded_document_size += write_bson_object_entry("", el);
}
oa->write_character(static_cast<CharType>(0x00));
write_number_little_endian_at(document_size_offset, embedded_document_size);
return /*id*/ 1ul + name.size() + 1ul + embedded_document_size;
}
std::size_t write_bson_object_entry(const typename BasicJsonType::string_t& name, const BasicJsonType& j)
{
switch (j.type())
@ -796,6 +818,8 @@ class binary_writer
break;
case value_t::object:
return write_bson_object_internal(name, j);
case value_t::array:
return write_bson_array(name, j);
case value_t::boolean:
return write_bson_boolean(name, j);
case value_t::number_float: