Merge pull request #5078 from cakebaker/nl_allow_negative_values_for_i_and_v

nl: allow negative values for --line-increment and --starting-line-number
This commit is contained in:
Sylvestre Ledru 2023-07-15 00:21:51 +02:00 committed by GitHub
commit 78fed70982
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 80 additions and 30 deletions

View file

@ -79,18 +79,6 @@ pub fn parse_options(settings: &mut crate::Settings, opts: &clap::ArgMatches) ->
}
}
}
match opts.get_one::<String>(options::LINE_INCREMENT) {
None => {}
Some(val) => {
let conv: Option<u64> = val.parse().ok();
match conv {
None => {
errs.push(String::from("Illegal value for -i"));
}
Some(num) => settings.line_increment = num,
}
}
}
match opts.get_one::<usize>(options::NUMBER_WIDTH) {
None => {}
Some(num) if *num > 0 => settings.number_width = *num,
@ -98,17 +86,11 @@ pub fn parse_options(settings: &mut crate::Settings, opts: &clap::ArgMatches) ->
"Invalid line number field width: 0: Numerical result out of range",
)),
}
match opts.get_one::<String>(options::STARTING_LINE_NUMBER) {
None => {}
Some(val) => {
let conv: Option<u64> = val.parse().ok();
match conv {
None => {
errs.push(String::from("Illegal value for -v"));
}
Some(num) => settings.starting_line_number = num,
}
}
if let Some(num) = opts.get_one::<i64>(options::LINE_INCREMENT) {
settings.line_increment = *num;
}
if let Some(num) = opts.get_one::<i64>(options::STARTING_LINE_NUMBER) {
settings.starting_line_number = *num;
}
match opts.get_one::<String>(options::JOIN_BLANK_LINES) {
None => {}

View file

@ -29,8 +29,8 @@ pub struct Settings {
// The variable corresponding to -d
section_delimiter: [char; 2],
// The variables corresponding to the options -v, -i, -l, -w.
starting_line_number: u64,
line_increment: u64,
starting_line_number: i64,
line_increment: i64,
join_blank_lines: u64,
number_width: usize, // Used with String::from_char, hence usize.
// The format of the number and the (default value for)
@ -208,7 +208,8 @@ pub fn uu_app() -> Command {
.short('i')
.long(options::LINE_INCREMENT)
.help("line number increment at each line")
.value_name("NUMBER"),
.value_name("NUMBER")
.value_parser(clap::value_parser!(i64)),
)
.arg(
Arg::new(options::JOIN_BLANK_LINES)
@ -244,7 +245,8 @@ pub fn uu_app() -> Command {
.short('v')
.long(options::STARTING_LINE_NUMBER)
.help("first line number on each logical page")
.value_name("NUMBER"),
.value_name("NUMBER")
.value_parser(clap::value_parser!(i64)),
)
.arg(
Arg::new(options::NUMBER_WIDTH)
@ -267,7 +269,7 @@ fn nl<T: Read>(reader: &mut BufReader<T>, settings: &Settings) -> UResult<()> {
let line_no_width_initial = line_no_width;
// Stores the smallest integer with one more digit than line_no, so that
// when line_no >= line_no_threshold, we need to use one more digit.
let mut line_no_threshold = 10u64.pow(line_no_width as u32);
let mut line_no_threshold = 10i64.pow(line_no_width as u32);
let mut empty_line_count: u64 = 0;
let fill_char = match settings.number_format {
NumberFormat::RightZero => '0',
@ -329,7 +331,7 @@ fn nl<T: Read>(reader: &mut BufReader<T>, settings: &Settings) -> UResult<()> {
if settings.renumber {
line_no = settings.starting_line_number;
line_no_width = line_no_width_initial;
line_no_threshold = 10u64.pow(line_no_width as u32);
line_no_threshold = 10i64.pow(line_no_width as u32);
}
&settings.header_numbering
}

View file

@ -1,4 +1,4 @@
// spell-checker:ignore ninvalid winvalid
// spell-checker:ignore iinvalid ninvalid vinvalid winvalid
use crate::common::util::TestScenario;
#[test]
@ -13,6 +13,7 @@ fn test_stdin_no_newline() {
.run()
.stdout_is(" 1\tNo Newline\n");
}
#[test]
fn test_stdin_newline() {
new_ucmd!()
@ -167,3 +168,68 @@ fn test_number_separator() {
.stdout_is(" 1:-:test\n");
}
}
#[test]
fn test_starting_line_number() {
for arg in ["-v10", "--starting-line-number=10"] {
new_ucmd!()
.arg(arg)
.pipe_in("test")
.succeeds()
.stdout_is(" 10\ttest\n");
}
}
#[test]
fn test_negative_starting_line_number() {
for arg in ["-v-10", "--starting-line-number=-10"] {
new_ucmd!()
.arg(arg)
.pipe_in("test")
.succeeds()
.stdout_is(" -10\ttest\n");
}
}
#[test]
fn test_invalid_starting_line_number() {
for arg in ["-vinvalid", "--starting-line-number=invalid"] {
new_ucmd!()
.arg(arg)
.fails()
.stderr_contains("invalid value 'invalid'");
}
}
#[test]
fn test_line_increment() {
for arg in ["-i10", "--line-increment=10"] {
new_ucmd!()
.arg(arg)
.pipe_in("a\nb")
.succeeds()
.stdout_is(" 1\ta\n 11\tb\n");
}
}
#[test]
fn test_negative_line_increment() {
// TODO make this test work with -10
for arg in ["-i-1", "--line-increment=-1"] {
new_ucmd!()
.arg(arg)
.pipe_in("a\nb")
.succeeds()
.stdout_is(" 1\ta\n 0\tb\n");
}
}
#[test]
fn test_invalid_line_increment() {
for arg in ["-iinvalid", "--line-increment=invalid"] {
new_ucmd!()
.arg(arg)
.fails()
.stderr_contains("invalid value 'invalid'");
}
}