shellharden/src/situntilbyte.rs
2020-02-23 21:38:38 +01:00

35 lines
870 B
Rust

/*
* Copyright 2016 - 2019 Andreas Nordal
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
use crate::situation::Situation;
use crate::situation::Transition;
use crate::situation::WhatNow;
use crate::situation::flush;
use crate::microparsers::predlen;
pub struct SitUntilByte {
pub until: u8,
pub color: u32,
pub end_replace :Option<&'static [u8]>,
}
impl Situation for SitUntilByte {
fn whatnow(&mut self, horizon: &[u8], _is_horizon_lengthenable: bool) -> WhatNow {
let len = predlen(|x| x != self.until, &horizon);
if len < horizon.len() {
WhatNow{tri: Transition::Pop, pre: len, len: 1, alt: self.end_replace}
} else {
flush(len)
}
}
fn get_color(&self) -> u32 {
self.color
}
}