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Kiyomichi Kosaka
2022-11-27 14:03:00 +00:00
commit ccb0f86bbb
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src/parser.rs
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extern crate peg;
peg::parser!{
grammar command_parser() for str {
pub rule cmd() -> Command<'input> = c:(
help_cmd()
/ add_cmd()
/ quit_cmd()
/ error_cmd()
/ ls_cmd()
/ mv_cmd()
) { c }
pub rule name() -> Password = name:(jname() / pname() / mname() / sname()) { name }
rule _() -> &'input str = s:$((" " / "\t" / "\r" / "\n")+) { s }
rule comment() -> &'input str = _ c:$([' '..='~']+) { c }
rule word() -> &'input str = n:$(['!'..='~']+) { n }
rule num() -> u32 = n:$(['0'..='9']+) {? n.parse().or(Err("not a number")) }
rule pname() -> Password = &(word() _ word() _ num()? mode() _ num() _ date()) pr:word() _ pn:word() _ pl:num()? pm:mode() _ ps:num() _ pd:date() pc:comment()? {
Password { prefix: Some(pr.to_string()), length: pl, name: Rc::new(pn.to_string()), mode: pm, seq: ps, date: pd, parent: None,
comment: match pc { Some(s) => Some(s.to_string()), None => None } } }
rule jname() -> Password = &(word() _ num()? mode() _ num() _ date()) pn:word() _ pl:num()? pm:mode() _ ps:num() _ pd:date() pc:comment()? {
Password { prefix: None, length: pl, name: Rc::new(pn.to_string()), mode: pm, seq: ps, date: pd, parent: None,
comment: match pc { Some(s) => Some(s.to_string()), None => None } } }
rule mname() -> Password = &(word() _ word() _ num()? mode() _ date()) pr:word() _ pn:word() _ pl:num()? pm:mode() _ pd:date() pc:comment()? {
Password { prefix: Some(pr.to_string()), length: pl, name: Rc::new(pn.to_string()), mode: pm, seq: 99, date: pd, parent: None,
comment: match pc { Some(s) => Some(s.to_string()), None => None } } }
rule sname() -> Password = &(word() _ num()? mode() _ date()) pn:word() _ pl:num()? pm:mode() _ pd:date() pc:comment()? {
Password { prefix: None, length: pl, name: Rc::new(pn.to_string()), mode: pm, seq: 99, date: pd, parent: None,
comment: match pc { Some(s) => Some(s.to_string()), None => None } } }
rule date() -> NaiveDate = y:$("-"? ['0'..='9']*<1,4>) "-" m:$(['0'..='9']*<1,2>) "-" d:$(['0'..='9']*<1,2>) {?
let year: i32 = match y.parse() { Ok(n) => n, Err(_) => return Err("year") };
let month: u32 = match m.parse() { Ok(n) => n, Err(_) => return Err("month") };
let day: u32 = match d.parse() { Ok(n) => n, Err(_) => return Err("day") };
NaiveDate::from_ymd_opt(year, month, day).ok_or("date")
}
rule umode() -> Mode = ("U" / "u") m:$("R" / "r" / "N" / "n" / "H" / "h" / "B" / "b") {?
match m.to_uppercase().as_str() {
"R" => Ok(Mode::RegularUpcase),
"N" => Ok(Mode::NoSpaceUpcase),
"H" => Ok(Mode::HexUpcase),
"B" => Ok(Mode::Base64Upcase),
_ => Err("unknown mode"),
}
}
rule rmode() -> Mode = m:$("R" / "r" / "U" / "u" / "N" / "n" / "H" / "h" / "B" / "b" / "D" / "d") {?
match m.to_uppercase().as_str() {
"R" => Ok(Mode::Regular),
"N" => Ok(Mode::NoSpace),
"U" => Ok(Mode::RegularUpcase),
"H" => Ok(Mode::Hex),
"B" => Ok(Mode::Base64),
"D" => Ok(Mode::Decimal),
_ => Err("unknown mode"),
}
}
rule mode() -> Mode = m:(umode() / rmode()) { m }
rule help_cmd() -> Command<'input> = "help" { Command::Help }
rule quit_cmd() -> Command<'input> = "quit" { Command::Quit }
rule ls_cmd() -> Command<'input> = "ls" { Command::Ls }
rule add_cmd() -> Command<'input> = "add" _ name:name() { Command::Add(Rc::new(RefCell::new(name))) }
rule error_cmd() -> Command<'input> = "error" _ e:$(([' '..='~'])+) { Command::Error(LKErr::Error(e)) }
rule mv_cmd() -> Command<'input> = "mv" _ name:word() _ folder:word() { Command::Mv(name.to_string(), folder.to_string()) }
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn parse_password_test() {
assert_eq!(command_parser::name("ableton89 R 99 2020-12-09 xx.ableton@domain.info https://www.ableton.com"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: None, mode: Mode::Regular,
length: None, seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("xx.ableton@domain.info https://www.ableton.com".to_string()) }));
assert_eq!(command_parser::name("ableton89 U 99 2020-12-09 xx.ableton@domain.info https://www.ableton.com"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: None, mode: Mode::RegularUpcase,
length: None, seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("xx.ableton@domain.info https://www.ableton.com".to_string()) }));
assert_eq!(command_parser::name("ableton89 U 2020-12-09"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: None, mode: Mode::RegularUpcase,
length: None, seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(), comment: None }));
assert_eq!(command_parser::name("#W9 ableton89 R 99 2020-12-09 xx.ableton@domain.info https://www.ableton.com"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: Some("#W9".to_string()), mode: Mode::Regular,
length: None, seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("xx.ableton@domain.info https://www.ableton.com".to_string()) }));
assert_eq!(command_parser::name("#W9 ableton89 N 99 2020-12-09 xx.ableton@domain.info https://www.ableton.com"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: Some("#W9".to_string()), mode: Mode::NoSpace,
length: None, seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("xx.ableton@domain.info https://www.ableton.com".to_string()) }));
assert_eq!(command_parser::name("#W9 ableton89 UN 99 2020-12-09 xx.ableton@domain.info https://www.ableton.com"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: Some("#W9".to_string()), mode: Mode::NoSpaceUpcase,
length: None, seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("xx.ableton@domain.info https://www.ableton.com".to_string()) }));
assert_eq!(command_parser::name("#W9 ableton89 20R 99 2020-12-09 a b c"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: Some("#W9".to_string()), mode: Mode::Regular,
length: Some(20), seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("a b c".to_string()) }));
assert_eq!(command_parser::name("#W9 ableton89 20UR 99 2020-12-09 a b c"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: Some("#W9".to_string()), mode: Mode::RegularUpcase,
length: Some(20), seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("a b c".to_string()) }));
assert_eq!(command_parser::name("#W9 ableton89 20UH 99 2020-12-09 a b c"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: Some("#W9".to_string()), mode: Mode::HexUpcase,
length: Some(20), seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("a b c".to_string()) }));
assert_eq!(command_parser::name("#W9 ableton89 20UB 99 2020-12-09 a b c"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: Some("#W9".to_string()), mode: Mode::Base64Upcase,
length: Some(20), seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("a b c".to_string()) }));
assert_eq!(command_parser::name("#W9 ableton89 20D 99 2020-12-09 a b c"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: Some("#W9".to_string()), mode: Mode::Decimal,
length: Some(20), seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("a b c".to_string()) }));
assert_eq!(command_parser::name("ableton89 20D 98 2020-12-09 a b c"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: None, mode: Mode::Decimal,
length: Some(20), seq: 98, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("a b c".to_string()) }));
assert_eq!(command_parser::name("ableton89 20D 2020-12-09 a b c"),
Ok(Password { name: "ableton89".to_string(), parent: None, prefix: None, mode: Mode::Decimal,
length: Some(20), seq: 99, date: NaiveDate::from_ymd_opt(2020, 12, 09).unwrap(),
comment: Some("a b c".to_string()) }));
}
}