Struct DataDescriptor

pub struct DataDescriptor {
    pub crc_32: u32,
    pub compressed_size: u32,
    pub uncompressed_size: u32,
}

Data descriptor

the data descriptior is prepended to the file data. It might be used sometimes, in this case the corresponding fields in LocalFileHeader are zero.

Note: There exists a zip64 variant of this descriptor: DataDescriptorZip64 Note: the DataDescriptor should contain a signature, see the struct DataDescriptorSignature. Its not standart but recomended. When parsing you are on your own if the first 4 bytes a the signature or just a random crc32 according to the documentation see DataDescriptorZip64Signature for Zip64 with Signature

see 4.3.9

Fields

crc_32: u32

compressed_size: u32

uncompressed_size: u32

Implementations

impl DataDescriptor

pub const SIGNATURE: u32 = 134_695_760u32

Note: At time of writing this is an optional, de-facto-standart signature

pub const SIZE_IN_BYTES: usize = 12usize

Trait Implementations

impl Clone for DataDescriptor

fn clone(&self) -> DataDescriptor

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DataDescriptor

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Parse for DataDescriptor

type Error = FixedSizeError

fn from_buf<T: Buf>(buf: &mut T) -> Result<Self, Self::Error>

where Self: Sized,

parsing this Type from a buf, returning either the Type or an Error. implementations must not modify the buf in case of an error.

fn to_buf<T: BufMut>(&self, buf: &mut T) -> Result<(), Self::Error>

writing self to a buffer. implementation must not modify the buf in case of an error.

impl PartialEq for DataDescriptor

fn eq(&self, other: &DataDescriptor) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for DataDescriptor