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#ifndef RFL_BSON_READ_HPP_
#define RFL_BSON_READ_HPP_
#include <bson/bson.h>
#include <istream>
#include <string>
#include "../Processors.hpp"
#include "../internal/ptr_cast.hpp"
#include "../internal/wrap_in_rfl_array_t.hpp"
#include "Parser.hpp"
#include "Reader.hpp"
namespace rfl {
namespace bson {
using InputObjectType = typename Reader::InputObjectType;
using InputVarType = typename Reader::InputVarType;
/// Parses an object from a BSON var.
template <class T, class... Ps>
Result<internal::wrap_in_rfl_array_t<T>> read(const InputVarType& _obj) {
const auto r = Reader();
using ProcessorsType = Processors<Ps...>;
static_assert(!ProcessorsType::no_field_names_,
"The NoFieldNames processor is not supported for BSON, XML, "
"TOML, or YAML.");
return Parser<T, ProcessorsType>::read(r, _obj);
}
/// Parses an BSON object using reflection.
template <class T, class... Ps>
auto read(const uint8_t* _bytes, const size_t _size) {
bson_value_t val;
val.value.v_doc.data_len = static_cast<uint32_t>(_size);
val.value.v_doc.data = const_cast<uint8_t*>(_bytes);
val.value_type = BSON_TYPE_DOCUMENT;
return read<T, Ps...>(Reader::InputVarType{&val});
}
/// Parses an BSON object using reflection.
template <class T, class... Ps>
auto read(const char* _bytes, const size_t _size) {
return read<T, Ps...>(internal::ptr_cast<const uint8_t*>(_bytes), _size);
}
/// Parses an object from BSON using reflection.
template <class T, class... Ps>
auto read(const std::vector<char>& _bytes) {
return read<T, Ps...>(_bytes.data(), _bytes.size());
}
/// Parses an object from a stream.
template <class T, class... Ps>
auto read(std::istream& _stream) {
std::istreambuf_iterator<char> begin(_stream), end;
auto bytes = std::vector<char>(begin, end);
return read<T, Ps...>(bytes.data(), bytes.size());
}
} // namespace bson
} // namespace rfl
#endif
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