use internal_prelude::v1::*;
pub type ReservedZero<B> = ReservedBits<BitZero, B>;
pub type ReservedZeroes<B> = ReservedZero<B>;
pub type ReservedOne<B> = ReservedBits<BitOne, B>;
pub type ReservedOnes<B> = ReservedOne<B>;
pub trait ReservedBitValue {
fn get_reserved_bit_value_byte() -> u8;
}
#[derive(Default, Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct BitOne;
impl ReservedBitValue for BitOne {
fn get_reserved_bit_value_byte() -> u8 {
0xFF
}
}
#[derive(Default, Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct BitZero;
impl ReservedBitValue for BitZero {
fn get_reserved_bit_value_byte() -> u8 {
0
}
}
#[derive(Default, Copy, Clone, PartialEq, Serialize, Deserialize)]
pub struct ReservedBits<V, B> {
value: V,
bits: PhantomData<B>
}
impl<B> Debug for ReservedBits<BitZero, B> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Reserved - always 0")
}
}
impl<B> Display for ReservedBits<BitZero, B> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Reserved - always 0")
}
}
impl<B> Debug for ReservedBits<BitOne, B> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Reserved - always 1")
}
}
impl<B> Display for ReservedBits<BitOne, B> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Reserved - always 1")
}
}
use packing::*;
use types_bits::{NumberOfBits, NumberOfBytes, ByteArray};
impl<V, B> PackedStruct<<<B as NumberOfBits>::Bytes as NumberOfBytes>::AsBytes> for ReservedBits<V, B> where Self: Default, V: ReservedBitValue, B: NumberOfBits {
fn pack(&self) -> <<B as NumberOfBits>::Bytes as NumberOfBytes>::AsBytes {
<<<B as NumberOfBits>::Bytes as NumberOfBytes>::AsBytes>::new(V::get_reserved_bit_value_byte())
}
fn unpack(_src: &<<B as NumberOfBits>::Bytes as NumberOfBytes>::AsBytes) -> Result<Self, PackingError> {
Ok(Self:: default())
}
}
impl<V, B> PackedStructInfo for ReservedBits<V, B> where B: NumberOfBits {
#[inline]
fn packed_bits() -> usize {
B::number_of_bits() as usize
}
}
impl<V, B> PackedStructSlice for ReservedBits<V, B> where Self: Default, V: ReservedBitValue, B: NumberOfBits {
fn pack_to_slice(&self, output: &mut [u8]) -> Result<(), PackingError> {
for v in output.iter_mut() {
*v = V::get_reserved_bit_value_byte();
}
Ok(())
}
fn unpack_from_slice(_src: &[u8]) -> Result<Self, PackingError> {
Ok(Self::default())
}
fn packed_bytes() -> usize {
<B as NumberOfBits>::Bytes::number_of_bytes() as usize
}
}