diff options
Diffstat (limited to 'src/repo/ebuild/parsers.rs')
| -rw-r--r-- | src/repo/ebuild/parsers.rs | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/repo/ebuild/parsers.rs b/src/repo/ebuild/parsers.rs deleted file mode 100644 index c80cdf2..0000000 --- a/src/repo/ebuild/parsers.rs +++ /dev/null @@ -1,205 +0,0 @@ -use std::path::PathBuf; - -use mon::{ - Parser, ParserIter, ascii_alpha1, ascii_alphanumeric, ascii_whitespace1, r#if, one_of, tag, -}; - -use crate::{ - Parseable, - repo::ebuild::{Conditional, Depend, Eapi, Eclass, License, SrcUri, Uri, UriPrefix}, - useflag::UseFlag, -}; - -impl<'a> Parseable<'a, &'a str> for UriPrefix { - type Parser = impl Parser<&'a str, Output = Self>; - - fn parser() -> Self::Parser { - tag("+mirror") - .map(|_| UriPrefix::Mirror) - .or(tag("+fetch").map(|_| UriPrefix::Fetch)) - } -} - -impl<'a> Parseable<'a, &'a str> for Uri { - type Parser = impl Parser<&'a str, Output = Self>; - - fn parser() -> Self::Parser { - let protocol = ascii_alpha1::<&str>() - .followed_by(tag("://")) - .map(|output: &str| output.to_string()); - let path = r#if(|c: &char| !c.is_ascii_whitespace()) - .repeated() - .at_least(1) - .recognize() - .map(|output: &str| output.to_string()); - - protocol - .and(path) - .map(|(protocol, path)| Uri { protocol, path }) - } -} - -impl<'a> Parseable<'a, &'a str> for SrcUri { - type Parser = impl Parser<&'a str, Output = Self>; - - fn parser() -> Self::Parser { - let filename = || { - r#if(|c: &char| !c.is_ascii_whitespace()) - .repeated() - .at_least(1) - .recognize() - .map(|output: &str| PathBuf::from(output)) - }; - - let uri = UriPrefix::parser() - .opt() - .and(Uri::parser()) - .and(filename().preceded_by(tag(" -> ")).opt()) - .map(|((prefix, uri), filename)| SrcUri::Uri { - prefix, - uri, - filename, - }); - - uri.or(filename().map(|path: PathBuf| SrcUri::Filename(path))) - } -} - -impl<'a> Parseable<'a, &'a str> for License { - type Parser = impl Parser<&'a str, Output = Self>; - - fn parser() -> Self::Parser { - let start = ascii_alphanumeric().or(one_of("_".chars())); - let rest = ascii_alphanumeric() - .or(one_of("+_.-".chars())) - .repeated() - .many(); - - start - .and(rest) - .recognize() - .map(|output: &str| License(output.to_string())) - } -} - -impl<'a> Parseable<'a, &'a str> for Eapi { - type Parser = impl Parser<&'a str, Output = Self>; - - fn parser() -> Self::Parser { - let start = ascii_alphanumeric().or(one_of("_".chars())); - let rest = ascii_alphanumeric() - .or(one_of("+_.-".chars())) - .repeated() - .many(); - - start - .and(rest) - .recognize() - .map(|output: &str| Eapi(output.to_string())) - } -} - -// TODO: -// Cant find information about eclass names in pms so we allow anything except -// for whitespace. -impl<'a> Parseable<'a, &'a str> for Eclass { - type Parser = impl Parser<&'a str, Output = Self>; - - fn parser() -> Self::Parser { - r#if(|c: &char| !c.is_ascii_whitespace()) - .repeated() - .at_least(1) - .recognize() - .map(|output: &str| Eclass(output.to_string())) - } -} - -impl<'a, T> Parseable<'a, &'a str> for Depend<T> -where - T: Parseable<'a, &'a str>, -{ - type Parser = impl Parser<&'a str, Output = Self>; - - fn parser() -> Self::Parser { - |it| { - let exprs = || { - Depend::parser() - .separated_by_with_trailing(ascii_whitespace1()) - .at_least(1) - .delimited_by(tag("(").followed_by(ascii_whitespace1()), tag(")")) - }; - - let all_of_group = exprs().map(|exprs| Depend::AllOf(exprs)); - - let any_of_group = exprs() - .preceded_by(tag("||").followed_by(ascii_whitespace1())) - .map(|exprs| Depend::AnyOf(exprs)); - - let one_of_group = exprs() - .preceded_by(tag("^^").followed_by(ascii_whitespace1())) - .map(|exprs| Depend::OneOf(exprs)); - - let conditional_group = Conditional::parser() - .followed_by(ascii_whitespace1()) - .and(exprs()) - .map(|(conditional, exprs)| Depend::ConditionalGroup(conditional, exprs)); - - T::parser() - .map(|e| Depend::Element(e)) - .or(conditional_group) - .or(any_of_group) - .or(all_of_group) - .or(one_of_group) - .parse(it) - } - } -} - -impl<'a> Parseable<'a, &'a str> for Conditional { - type Parser = impl Parser<&'a str, Output = Self>; - - fn parser() -> Self::Parser { - UseFlag::parser() - .preceded_by(tag("!")) - .followed_by(tag("?")) - .map(Conditional::Negative) - .or(UseFlag::parser() - .followed_by(tag("?")) - .map(Conditional::Positive)) - } -} - -#[cfg(test)] -mod test { - - use mon::{ParserIter, input::InputIter}; - - use crate::{atom::Atom, repo::ebuild::Depend}; - - use super::*; - - #[test] - fn test_src_uri() { - let tests = [ - "https://example.com/foo/bar.tar.gz", - "https://example.com/foo/bar.tar.gz -> bar.tar.gz", - ]; - - for test in tests { - SrcUri::parser() - .check_finished(InputIter::new(test)) - .unwrap(); - } - } - - #[test] - fn test_expr() { - let it = InputIter::new("flag? ( || ( foo/bar foo/bar ) )"); - - Depend::<Atom>::parser() - .separated_by(ascii_whitespace1()) - .many() - .check_finished(it) - .unwrap(); - } -} |
