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use nom::{
IResult,
character::complete::alphanumeric0,
//character::complete::alphanumeric1,
character::complete::anychar,
character::complete::space1,
character::complete::space0,
bytes::complete::tag,
multi::many1,
multi::many0,
//branch::alt,
//combinator::opt,
sequence::tuple,
};
fn command(i: &str) -> IResult<&str, String> {
match tuple((anychar,alphanumeric0))(i) {
Ok((rest, (c, s))) => {
let tmp = format!("{}{}", c, s);
Ok((rest, tmp))
},
Err(e) => Err(e)
}
}
fn parameter(i: &str) -> IResult<&str, String> {
match tuple((space1, many1(anychar)))(i) {
Ok((rest, (_,param))) => Ok((rest, param.iter().collect::<String>())),
Err(e) => Err(e)
}
}
fn ligature(i: &str) -> IResult<&str, Option<char>> {
match tuple((space0, tag(";")))(i) {
Ok((rest, c)) =>
Ok((rest, c.1.chars().next())),
Err(e) => Err(e)
}
}
pub fn command_line(i: &str) -> IResult<&str, Vec<String>> {
match tuple((command, many0(parameter)))(i) {
Ok((rest, (com, params))) => {
let mut cmd = vec!(com);
params.iter().for_each(|p| cmd.push(p.to_string()));
Ok((rest, cmd))
},
Err(e) => Err(e)
}
}
pub fn command_lines(i: &str) -> IResult<&str, Vec<(Vec<String>,Option<char>)>> {
many1(tuple((command_line, ligature)))(i)
}
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