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| author | John Turner <jturner.usa@gmail.com> | 2025-12-17 06:45:27 +0000 |
|---|---|---|
| committer | John Turner <jturner.usa@gmail.com> | 2025-12-17 06:45:27 +0000 |
| commit | c63c3e8c8c73ed7c036df7511ca190cdb96d92e2 (patch) | |
| tree | 3262ef318f03388d37ac28493e42c1638c227c27 /crates/useflag/src/parsers.rs | |
| parent | 0ec856797256b5d9807929e1b32c03756eb43124 (diff) | |
| download | gentoo-utils-split-into-workspace.tar.gz | |
debuggingsplit-into-workspace
Diffstat (limited to 'crates/useflag/src/parsers.rs')
| -rw-r--r-- | crates/useflag/src/parsers.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/crates/useflag/src/parsers.rs b/crates/useflag/src/parsers.rs new file mode 100644 index 0000000..3007bde --- /dev/null +++ b/crates/useflag/src/parsers.rs @@ -0,0 +1,39 @@ +use parseable::Parseable; + +use mon::{Parser, ParserIter, ascii_alphanumeric, one_of, tag}; + +use crate::{IUseFlag, UseFlag}; + +impl<'a> Parseable<'a, &'a str> for UseFlag { + type Parser = impl Parser<&'a str, Output = Self>; + + fn parser() -> Self::Parser { + let start = ascii_alphanumeric(); + let rest = ascii_alphanumeric() + .or(one_of("+_@-".chars())) + .repeated() + .many(); + + start + .and(rest) + .recognize() + .map(|output: &str| UseFlag(output.to_string())) + } +} + +impl<'a> Parseable<'a, &'a str> for IUseFlag { + type Parser = impl Parser<&'a str, Output = Self>; + + fn parser() -> Self::Parser { + UseFlag::parser() + .preceded_by(tag("+")) + .map(|flag| IUseFlag { + default: true, + flag, + }) + .or(UseFlag::parser().map(|flag| IUseFlag { + default: false, + flag, + })) + } +} |
