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fmt: refactor width and goal calculation

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This commit is contained in:
Terts Diepraam 2023-11-28 12:22:46 +01:00
parent f5206ce783
commit 96ca5e609e
1 changed files with 23 additions and 19 deletions
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36
src/uu/fmt/src/fmt.rs
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@ -6,7 +6,6 @@
// spell-checker:ignore (ToDO) PSKIP linebreak ostream parasplit tabwidth xanti xprefix
use clap::{crate_version, Arg, ArgAction, ArgMatches, Command};
use std::cmp;
use std::fs::File;
use std::io::{stdin, stdout, Write};
use std::io::{BufReader, BufWriter, Read, Stdout};
@ -84,27 +83,32 @@ impl FmtOptions {
let prefix = matches.get_one::<String>(OPT_PREFIX).map(String::from);
let anti_prefix = matches.get_one::<String>(OPT_SKIP_PREFIX).map(String::from);
let mut width = 75;
let mut goal = 70;
if let Some(w) = matches.get_one::<usize>(OPT_WIDTH) {
width = *w;
let width_opt = matches.get_one::<usize>(OPT_WIDTH);
let goal_opt = matches.get_one::<usize>(OPT_GOAL);
let (width, goal) = match (width_opt, goal_opt) {
(Some(&w), Some(&g)) => {
if g > w {
return Err(USimpleError::new(1, "GOAL cannot be greater than WIDTH."));
}
(w, g)
}
(Some(&w), None) => {
let g = (w * DEFAULT_GOAL_TO_WIDTH_RATIO / 100).min(w - 3);
(w, g)
}
(None, Some(&g)) => {
let w = (g * 100 / DEFAULT_GOAL_TO_WIDTH_RATIO).max(g + 3);
(w, g)
}
(None, None) => (75, 70),
};
if width > MAX_WIDTH {
return Err(USimpleError::new(
1,
format!("invalid width: '{}': Numerical result out of range", width),
));
}
goal = cmp::min(width * DEFAULT_GOAL_TO_WIDTH_RATIO / 100, width - 3);
};
if let Some(g) = matches.get_one::<usize>(OPT_GOAL) {
goal = *g;
if !matches.contains_id(OPT_WIDTH) {
width = cmp::max(goal * 100 / DEFAULT_GOAL_TO_WIDTH_RATIO, goal + 3);
} else if goal > width {
return Err(USimpleError::new(1, "GOAL cannot be greater than WIDTH."));
}
};
let mut tabwidth = 8;
if let Some(s) = matches.get_one::<String>(OPT_TAB_WIDTH) {