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#![allow(missing_docs)]
use bitflags::bitflags;
use failure::{bail, Error};
use serde::{
de::{self, Deserialize, Deserializer, Visitor},
ser::{Serialize, Serializer},
};
use std::fmt;
pub const DOMAINS: [Domain; 16] = [
Domain::DOM1,
Domain::DOM2,
Domain::DOM3,
Domain::DOM4,
Domain::DOM5,
Domain::DOM6,
Domain::DOM7,
Domain::DOM8,
Domain::DOM9,
Domain::DOM10,
Domain::DOM11,
Domain::DOM12,
Domain::DOM13,
Domain::DOM14,
Domain::DOM15,
Domain::DOM16,
];
bitflags! {
pub struct Domain: u16 {
const DOM1 = 0x0001;
const DOM2 = 0x0002;
const DOM3 = 0x0004;
const DOM4 = 0x0008;
const DOM5 = 0x0010;
const DOM6 = 0x0020;
const DOM7 = 0x0040;
const DOM8 = 0x0080;
const DOM9 = 0x0100;
const DOM10 = 0x0200;
const DOM11 = 0x0400;
const DOM12 = 0x0800;
const DOM13 = 0x1000;
const DOM14 = 0x2000;
const DOM15 = 0x4000;
const DOM16 = 0x8000;
}
}
impl Domain {
pub fn at(index: usize) -> Result<Self, Error> {
match index {
1..=16 => Ok(DOMAINS[index - 1]),
_ => bail!("invalid domain: {} (valid domains are 1-16)", index),
}
}
}
impl Serialize for Domain {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_u16(self.bits())
}
}
impl<'de> Deserialize<'de> for Domain {
fn deserialize<D>(deserializer: D) -> Result<Domain, D::Error>
where
D: Deserializer<'de>,
{
struct DomainVisitor;
impl<'de> Visitor<'de> for DomainVisitor {
type Value = Domain;
fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
formatter.write_str("2-bytes containing domain bitflags")
}
fn visit_u16<E>(self, value: u16) -> Result<Domain, E>
where
E: de::Error,
{
Domain::from_bits(value).ok_or_else(|| E::custom("invalid domain bitflags"))
}
}
deserializer.deserialize_u16(DomainVisitor)
}
}