From 48bd6085d67e6b702932e468ce5e44156a663060 Mon Sep 17 00:00:00 2001 From: El-BG-1970 Date: Fri, 29 Apr 2022 19:34:07 +0200 Subject: parser --- src/parser.rs | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/parser.rs (limited to 'src/parser.rs') diff --git a/src/parser.rs b/src/parser.rs new file mode 100644 index 0000000..4b78944 --- /dev/null +++ b/src/parser.rs @@ -0,0 +1,49 @@ +use nom::{ + IResult, + character::complete::alphanumeric0, + character::complete::alphanumeric1, + character::complete::anychar, + 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, &str> { + alphanumeric1(i) +} + +fn ligature(i: &str) -> IResult<&str, char> { + match tag(";")(i) { + Ok((rest, c)) => + Ok((rest, c.chars().nth(0).unwrap())), + Err(e) => Err(e) + } +} + +fn command_line(i: &str) -> IResult<&str, Vec> { + match tuple((command, many0(parameter)))(i) { + Ok((rest, (com, params))) => { + let mut cmd = vec!(com); + params.iter().for_each(|p| cmd.push(String::from(*p))); + Ok((rest, cmd)) + }, + Err(e) => Err(e) + } +} + +fn command_string(i: &str) -> IResult<&str, Vec<(Vec,char)>> { + many1(tuple((command_line, ligature)))(i) +} -- cgit v1.2.3