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use std::{error, fmt, str::FromStr};
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum Platform {
Capillary,
DnbSeq,
Ls454,
Illumina,
Solid,
Helicos,
IonTorrent,
Ont,
PacBio,
}
impl AsRef<str> for Platform {
fn as_ref(&self) -> &str {
match self {
Self::Capillary => "CAPILLARY",
Self::DnbSeq => "DNBSEQ",
Self::Ls454 => "LS454",
Self::Illumina => "ILLUMINA",
Self::Solid => "SOLID",
Self::Helicos => "HELICOS",
Self::IonTorrent => "IONTORRENT",
Self::Ont => "ONT",
Self::PacBio => "PACBIO",
}
}
}
impl fmt::Display for Platform {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(self.as_ref())
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub enum ParseError {
Empty,
Invalid,
}
impl error::Error for ParseError {}
impl fmt::Display for ParseError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Empty => f.write_str("empty input"),
Self::Invalid => f.write_str("invalid input"),
}
}
}
impl FromStr for Platform {
type Err = ParseError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"" => Err(ParseError::Empty),
"CAPILLARY" => Ok(Self::Capillary),
"DNBSEQ" => Ok(Self::DnbSeq),
"LS454" => Ok(Self::Ls454),
"ILLUMINA" => Ok(Self::Illumina),
"SOLID" => Ok(Self::Solid),
"HELICOS" => Ok(Self::Helicos),
"IONTORRENT" => Ok(Self::IonTorrent),
"ONT" => Ok(Self::Ont),
"PACBIO" => Ok(Self::PacBio),
_ => Err(ParseError::Invalid),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_fmt() {
assert_eq!(Platform::Capillary.to_string(), "CAPILLARY");
assert_eq!(Platform::DnbSeq.to_string(), "DNBSEQ");
assert_eq!(Platform::Ls454.to_string(), "LS454");
assert_eq!(Platform::Illumina.to_string(), "ILLUMINA");
assert_eq!(Platform::Solid.to_string(), "SOLID");
assert_eq!(Platform::Helicos.to_string(), "HELICOS");
assert_eq!(Platform::IonTorrent.to_string(), "IONTORRENT");
assert_eq!(Platform::Ont.to_string(), "ONT");
assert_eq!(Platform::PacBio.to_string(), "PACBIO");
}
#[test]
fn test_from_str() {
assert_eq!("CAPILLARY".parse(), Ok(Platform::Capillary));
assert_eq!("DNBSEQ".parse(), Ok(Platform::DnbSeq));
assert_eq!("LS454".parse(), Ok(Platform::Ls454));
assert_eq!("ILLUMINA".parse(), Ok(Platform::Illumina));
assert_eq!("SOLID".parse(), Ok(Platform::Solid));
assert_eq!("HELICOS".parse(), Ok(Platform::Helicos));
assert_eq!("IONTORRENT".parse(), Ok(Platform::IonTorrent));
assert_eq!("ONT".parse(), Ok(Platform::Ont));
assert_eq!("PACBIO".parse(), Ok(Platform::PacBio));
assert_eq!("".parse::<Platform>(), Err(ParseError::Empty));
assert_eq!("NOODLES".parse::<Platform>(), Err(ParseError::Invalid));
assert_eq!("Illumina".parse::<Platform>(), Err(ParseError::Invalid));
assert_eq!("illumina".parse::<Platform>(), Err(ParseError::Invalid));
}
}