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Merge pull request #4995 from cakebaker/nl_implement_default_for_settings

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nl: implement Default for Settings
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Sylvestre Ledru 2023-06-24 10:24:08 +02:00 • committed by GitHub
commit ed71bb60e0
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1 changed files with 21 additions and 18 deletions
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39
src/uu/nl/src/nl.rs
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@ -6,8 +6,6 @@
// * file that was distributed with this source code.
// *
// spell-checker:ignore (ToDO) corasick memchr
use clap::{crate_version, Arg, ArgAction, Command};
use std::fs::File;
use std::io::{stdin, BufRead, BufReader, Read};
@ -18,8 +16,8 @@ use uucore::{format_usage, help_about, help_usage};
mod helper;
static ABOUT: &str = help_about!("nl.md");
static USAGE: &str = help_usage!("nl.md");
const ABOUT: &str = help_about!("nl.md");
const USAGE: &str = help_usage!("nl.md");
// Settings store options used by nl to produce its output.
pub struct Settings {
@ -42,6 +40,24 @@ pub struct Settings {
number_separator: String,
}
impl Default for Settings {
fn default() -> Self {
Self {
header_numbering: NumberingStyle::NumberForNone,
body_numbering: NumberingStyle::NumberForAll,
footer_numbering: NumberingStyle::NumberForNone,
section_delimiter: ['\\', ':'],
starting_line_number: 1,
line_increment: 1,
join_blank_lines: 1,
number_width: 6,
number_format: NumberFormat::Right,
renumber: true,
number_separator: String::from("\t"),
}
}
}
// NumberingStyle stores which lines are to be numbered.
// The possible options are:
// 1. Number all lines
@ -87,20 +103,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
let matches = uu_app().try_get_matches_from(args)?;
// A mutable settings object, initialized with the defaults.
let mut settings = Settings {
header_numbering: NumberingStyle::NumberForNone,
body_numbering: NumberingStyle::NumberForAll,
footer_numbering: NumberingStyle::NumberForNone,
section_delimiter: ['\\', ':'],
starting_line_number: 1,
line_increment: 1,
join_blank_lines: 1,
number_width: 6,
number_format: NumberFormat::Right,
renumber: true,
number_separator: String::from("\t"),
};
let mut settings = Settings::default();
// Update the settings from the command line options, and terminate the
// program if some options could not successfully be parsed.