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Merge pull request #4747 from cakebaker/fmt_implement_default_for_fmtoptions

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fmt: implement Default for FmtOptions
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Terts Diepraam 2023-08-11 15:48:43 +02:00 committed by GitHub
commit 84bfbb0e5a
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1 changed files with 38 additions and 21 deletions
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59
src/uu/fmt/src/fmt.rs
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@ -60,6 +60,29 @@ pub struct FmtOptions {
goal: usize,
tabwidth: usize,
}
impl Default for FmtOptions {
fn default() -> Self {
Self {
crown: false,
tagged: false,
mail: false,
uniform: false,
quick: false,
split_only: false,
use_prefix: false,
prefix: String::new(),
xprefix: false,
use_anti_prefix: false,
anti_prefix: String::new(),
xanti_prefix: false,
width: 75,
goal: 70,
tabwidth: 8,
}
}
}
/// Parse the command line arguments and return the list of files and formatting options.
///
/// # Arguments
@ -70,7 +93,11 @@ pub struct FmtOptions {
///
/// A tuple containing a vector of file names and a `FmtOptions` struct.
#[allow(clippy::cognitive_complexity)]
#[allow(clippy::field_reassign_with_default)]
fn parse_arguments(args: impl uucore::Args) -> UResult<(Vec<String>, FmtOptions)> {
// by default, goal is 93% of width
const DEFAULT_GOAL_TO_WIDTH_RATIO: usize = 93;
let matches = uu_app().try_get_matches_from(args)?;
let mut files: Vec<String> = matches
@ -78,23 +105,7 @@ fn parse_arguments(args: impl uucore::Args) -> UResult<(Vec<String>, FmtOptions)
.map(|v| v.map(ToString::to_string).collect())
.unwrap_or_default();
let mut fmt_opts = FmtOptions {
crown: false,
tagged: false,
mail: false,
uniform: false,
quick: false,
split_only: false,
use_prefix: false,
prefix: String::new(),
xprefix: false,
use_anti_prefix: false,
anti_prefix: String::new(),
xanti_prefix: false,
width: 79,
goal: 74,
tabwidth: 8,
};
let mut fmt_opts = FmtOptions::default();
fmt_opts.tagged = matches.get_flag(OPT_TAGGED_PARAGRAPH);
if matches.get_flag(OPT_CROWN_MARGIN) {
@ -141,7 +152,10 @@ fn parse_arguments(args: impl uucore::Args) -> UResult<(Vec<String>, FmtOptions)
),
));
}
fmt_opts.goal = cmp::min(fmt_opts.width * 94 / 100, fmt_opts.width - 3);
fmt_opts.goal = cmp::min(
fmt_opts.width * DEFAULT_GOAL_TO_WIDTH_RATIO / 100,
fmt_opts.width - 3,
);
};
if let Some(s) = matches.get_one::<String>(OPT_GOAL) {
@ -155,7 +169,10 @@ fn parse_arguments(args: impl uucore::Args) -> UResult<(Vec<String>, FmtOptions)
}
};
if !matches.get_flag(OPT_WIDTH) {
fmt_opts.width = cmp::max(fmt_opts.goal * 100 / 94, fmt_opts.goal + 3);
fmt_opts.width = cmp::max(
fmt_opts.goal * 100 / DEFAULT_GOAL_TO_WIDTH_RATIO,
fmt_opts.goal + 3,
);
} else if fmt_opts.goal > fmt_opts.width {
return Err(USimpleError::new(1, "GOAL cannot be greater than WIDTH."));
}
@ -356,14 +373,14 @@ pub fn uu_app() -> Command {
Arg::new(OPT_WIDTH)
.short('w')
.long("width")
.help("Fill output lines up to a maximum of WIDTH columns, default 79.")
.help("Fill output lines up to a maximum of WIDTH columns, default 75.")
.value_name("WIDTH"),
)
.arg(
Arg::new(OPT_GOAL)
.short('g')
.long("goal")
.help("Goal width, default ~0.94*WIDTH. Must be less than WIDTH.")
.help("Goal width, default of 93% of WIDTH. Must be less than WIDTH.")
.value_name("GOAL"),
)
.arg(