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BSON: Object with single boolean

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This commit is contained in:
Julian Becker 2018-09-15 03:08:50 +02:00
parent 5f5836ce1c
commit 9a0dddc5d2
5 changed files with 330 additions and 6 deletions
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60
include/nlohmann/detail/input/binary_reader.hpp
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@ -125,19 +125,75 @@ class binary_reader
private:
template<class OutputIt, class UnaryPredicate, class Gen>
OutputIt generate_until(OutputIt&& d_first, UnaryPredicate&& pred, Gen&& gen)
{
for (auto x = gen(); !pred(x); x = gen())
{
*d_first++ = x;
}
return d_first;
}
/*!
@param[in] len the length of the array or std::size_t(-1) for an
array of indefinite size
@return whether array creation completed
*/
bool get_bson_str(string_t& result)
{
bool success = true;
generate_until(std::back_inserter(result), [](char c)
{
return c == 0x00;
}, [this, &success]
{
get();
if (JSON_UNLIKELY(unexpect_eof()))
{
success = false;
}
return static_cast<char>(current);
});
return success;
}
bool parse_bson_internal()
{
std::int32_t documentSize;
get_number_little_endian(documentSize);
if (not JSON_UNLIKELY(sax->start_object(documentSize - 5)))
if (not JSON_UNLIKELY(sax->start_object(-1)))
{
return false;
}
const auto result = sax->end_object();
while (auto entry_type = get())
{
switch (entry_type)
{
case 0x01:
{
string_t key;
get_bson_str(key);
sax->key(key);
sax->boolean(static_cast<bool>(get()));
} break;
case 0x08:
{
string_t key;
get_bson_str(key);
sax->key(key);
sax->boolean(static_cast<bool>(get()));
} break;
}
}
get();
const auto result = sax->end_object();
return result;
}