use anyhow::anyhow;
use winnow::{
Parser,
ascii::{space0, space1},
combinator::{opt, preceded, repeat, terminated},
};
use super::types::*;
use crate::file_parsers::{
VersionedResult, VersionedResultExt,
shared::{
lift::lift,
winnow::{WinnowParser, filename, quoted, uint, unquoted_str, version_line},
},
};
fn room<'a>() -> impl WinnowParser<&'a str, Room> {
winnow::trace!(
"room",
(
opt(terminated(uint, space0)),
quoted('"').and_then(filename("arm")),
repeat(0.., preceded(space1, unquoted_str)),
)
.map(|(weight, arm_file, rotations)| Room {
weight,
arm_file,
rotations,
})
)
}
pub fn parse_rs_str(contents: &str) -> VersionedResult<RSFile> {
let lines = contents
.lines()
.map(|l| l.trim())
.filter(|l| !l.is_empty() && !l.starts_with("//"))
.collect::<Vec<_>>();
let mut lines = lines.as_slice();
let version = lift(version_line())
.parse_next(&mut lines)
.map_err(|e| anyhow!("Failed to parse file: {e:?}"))?;
let mut parser = repeat(0.., lift(room())).map(|rooms| RSFile { version, rooms });
parser
.parse(lines)
.map_err(|e| anyhow!("Failed to parse file: {e:?}"))
.with_version(Some(version))
}