wasm-demo/ui/src/execute/mod.rs

61 lines
1.3 KiB
Rust

/*! A parser module for user commands passed through the Ex mode.
*/
use nom::{digit, not_line_ending};
use std;
pub mod actions;
pub use actions::*;
named!(
usize_c<usize>,
map_res!(
map_res!(ws!(digit), std::str::from_utf8),
std::str::FromStr::from_str
)
);
named!(sortfield<SortField>,
map_res!(
map_res!(take_until_s!(" "), std::str::from_utf8),
std::str::FromStr::from_str));
named!(sortorder<SortOrder>,
map_res!(
map_res!(call!(not_line_ending), std::str::from_utf8),
std::str::FromStr::from_str));
named!(goto<Action>,
preceded!(tag!("b "),
map!(call!(usize_c), |v| Action::ViewMailbox(v))
));
named!(subsort<Action>, do_parse!(
tag!("subsort ") >>
p: pair!(sortfield,sortorder) >>
(
Action::SubSort(p.0, p.1)
)
));
named!(sort<Action>, do_parse!(
tag!("sort ") >>
p: separated_pair!(sortfield,tag!(" "), sortorder) >>
(
Action::Sort(p.0, p.1)
)
));
named!(threaded<Action>,
map!(ws!(tag!("threaded")), |_| Action::MailListing(MailListingAction::ToggleThreaded)));
named!(toggle<Action>,
preceded!(tag!("toggle "),
alt_complete!( threaded )));
named!(pub parse_command<Action>,
alt_complete!( goto | toggle | sort | subsort)
);