use std::fmt;
use serde::{de, Deserialize, ser, Serialize};
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum MultipleProcedureCode {
NonMultipleProcedure,
Primary,
Secondary,
}
impl MultipleProcedureCode {
pub fn code(&self) -> &str {
{
use MultipleProcedureCode::*;
match self {
NonMultipleProcedure => "N",
Primary => "P",
Secondary => "S",
}
}
}
pub fn from_code(code: &[u8]) -> Option<MultipleProcedureCode> {
use MultipleProcedureCode::*;
match code {
b"N" => Some(NonMultipleProcedure),
b"P" => Some(Primary),
b"S" => Some(Secondary),
_ => None,
}
}
fn description(&self) -> &str {
use MultipleProcedureCode::*;
match self {
NonMultipleProcedure => "Non-Multiple Procedure",
Primary => "Primary",
Secondary => "Secondary",
}
}
fn from_description(description: &str) -> Option<MultipleProcedureCode> {
{
use MultipleProcedureCode::*;
match description {
"Non-Multiple Procedure" => Some(NonMultipleProcedure),
"Primary" => Some(Primary),
"Secondary" => Some(Secondary),
_ => None,
}
}
}
}
impl Serialize for MultipleProcedureCode {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: ser::Serializer,
{
let value = if serializer.is_human_readable() {
self.description()
} else {
self.code()
};
serializer.serialize_str(value)
}
}
struct Visitor;
impl<'de> de::Visitor<'de> for Visitor {
type Value = MultipleProcedureCode;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("Multiple Procedure Code")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
MultipleProcedureCode::from_description(v)
.ok_or_else(|| E::custom(format!("Invalid Multiple Procedure Code: {}", v)))
}
fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where
E: de::Error,
{
MultipleProcedureCode::from_code(v)
.ok_or_else(|| E::custom(
format!(
"Invalid Multiple Procedure Code: {}", std::str::from_utf8(v)
.unwrap()
),
))
}
}
impl<'de> Deserialize<'de> for MultipleProcedureCode {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: de::Deserializer<'de>,
{
if deserializer.is_human_readable() {
deserializer.deserialize_str(Visitor)
} else {
deserializer.deserialize_bytes(Visitor)
}
}
}