Public Member Functions
Result< void >	bytes (void *destination, size_t size)

template<typename T >
Result< void >	value (T &item)

template<typename T >
Result< void >	words (std::vector< T > &items)

Public Attributes
std::ifstream	input

uint64_t	remaining {}

uint32_t	checksum = 0

Detailed Description

Definition at line 53 of file reference_database_file.cuh.

Member Function Documentation

◆ bytes()

Result< void > cuddl::detail::database_file_reader::bytes	(	void *	destination,
		size_t	size
	)

inline

Definition at line 59 of file reference_database_file.cuh.

                                                       {
        if (size > remaining ||
            size > static_cast<size_t>(std::numeric_limits<std::streamsize>::max())) {
            return Err(Error::invalid_argument("truncated reference database file"));
        }
        if (size != 0) {
            input.read(static_cast<char*>(destination), static_cast<std::streamsize>(size));
            if (!input) return Err(Error::resource("cannot read reference database file"));
            checksum = libdeflate_crc32(checksum, destination, size);
        }
        remaining -= size;
        return Ok();
    }

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◆ value()

template<typename T >

Result< void > cuddl::detail::database_file_reader::value ( T & item )

inline

Definition at line 74 of file reference_database_file.cuh.

                                {
        CUDDL_TRY(bytes(&item, sizeof(item)));
        item = database_file_little_endian(item);
        return Ok();
    }

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◆ words()

template<typename T >

Result< void > cuddl::detail::database_file_reader::words ( std::vector< T > & items )

inline

Definition at line 81 of file reference_database_file.cuh.

                                            {
        CUDDL_TRY(bytes(items.data(), items.size() * sizeof(T)));
        if constexpr (std::endian::native != std::endian::little) {
            for (auto& item : items) {
                item = database_file_little_endian(item);
            }
        }
        return Ok();
    }