const FIXSTR_SIZE : u8 = 0x1f;
const FIXARRAY_SIZE : u8 = 0x0f;
const FIXMAP_SIZE : u8 = 0x0f;
#[derive(Clone, Copy, Debug, PartialEq)]
#[repr(u8)]
pub enum Marker {
FixPos(u8) = 0x00,
FixNeg(i8) = 0xe0,
FixMap(u8) = 0x80,
FixArray(u8) = 0x90,
FixStr(u8) = 0xa0,
Null = 0xc0,
Reserved,
False,
True,
Bin8,
Bin16,
Bin32,
Ext8,
Ext16,
Ext32,
F32,
F64,
U8,
U16,
U32,
U64,
I8,
I16,
I32,
I64,
FixExt1,
FixExt2,
FixExt4,
FixExt8,
FixExt16,
Str8,
Str16,
Str32,
Array16,
Array32,
Map16,
Map32,
}
impl Marker {
#[must_use]
#[inline]
pub fn from_u8(n: u8) -> Marker {
match n {
0x00 ..= 0x7f => Marker::FixPos(n),
0xe0 ..= 0xff => Marker::FixNeg(n as i8),
0x80 ..= 0x8f => Marker::FixMap(n & FIXMAP_SIZE),
0x90 ..= 0x9f => Marker::FixArray(n & FIXARRAY_SIZE),
0xa0 ..= 0xbf => Marker::FixStr(n & FIXSTR_SIZE),
0xc0 => Marker::Null,
0xc1 => Marker::Reserved,
0xc2 => Marker::False,
0xc3 => Marker::True,
0xc4 => Marker::Bin8,
0xc5 => Marker::Bin16,
0xc6 => Marker::Bin32,
0xc7 => Marker::Ext8,
0xc8 => Marker::Ext16,
0xc9 => Marker::Ext32,
0xca => Marker::F32,
0xcb => Marker::F64,
0xcc => Marker::U8,
0xcd => Marker::U16,
0xce => Marker::U32,
0xcf => Marker::U64,
0xd0 => Marker::I8,
0xd1 => Marker::I16,
0xd2 => Marker::I32,
0xd3 => Marker::I64,
0xd4 => Marker::FixExt1,
0xd5 => Marker::FixExt2,
0xd6 => Marker::FixExt4,
0xd7 => Marker::FixExt8,
0xd8 => Marker::FixExt16,
0xd9 => Marker::Str8,
0xda => Marker::Str16,
0xdb => Marker::Str32,
0xdc => Marker::Array16,
0xdd => Marker::Array32,
0xde => Marker::Map16,
0xdf => Marker::Map32,
}
}
#[must_use]
#[inline]
pub fn to_u8(&self) -> u8 {
match *self {
Marker::FixPos(val) => val,
Marker::FixNeg(val) => val as u8,
Marker::Null => 0xc0,
Marker::True => 0xc3,
Marker::False => 0xc2,
Marker::U8 => 0xcc,
Marker::U16 => 0xcd,
Marker::U32 => 0xce,
Marker::U64 => 0xcf,
Marker::I8 => 0xd0,
Marker::I16 => 0xd1,
Marker::I32 => 0xd2,
Marker::I64 => 0xd3,
Marker::F32 => 0xca,
Marker::F64 => 0xcb,
Marker::FixStr(len) => 0xa0 | (len & FIXSTR_SIZE),
Marker::Str8 => 0xd9,
Marker::Str16 => 0xda,
Marker::Str32 => 0xdb,
Marker::Bin8 => 0xc4,
Marker::Bin16 => 0xc5,
Marker::Bin32 => 0xc6,
Marker::FixArray(len) => 0x90 | (len & FIXARRAY_SIZE),
Marker::Array16 => 0xdc,
Marker::Array32 => 0xdd,
Marker::FixMap(len) => 0x80 | (len & FIXMAP_SIZE),
Marker::Map16 => 0xde,
Marker::Map32 => 0xdf,
Marker::FixExt1 => 0xd4,
Marker::FixExt2 => 0xd5,
Marker::FixExt4 => 0xd6,
Marker::FixExt8 => 0xd7,
Marker::FixExt16 => 0xd8,
Marker::Ext8 => 0xc7,
Marker::Ext16 => 0xc8,
Marker::Ext32 => 0xc9,
Marker::Reserved => 0xc1,
}
}
}
impl From<u8> for Marker {
#[inline(always)]
fn from(val: u8) -> Marker {
Marker::from_u8(val)
}
}
impl From<Marker> for u8 {
#[inline(always)]
fn from(val: Marker) -> Self {
val.to_u8()
}
}