RGBCube/uutils-coreutils
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cut: show error for multiple mode args (-b, -c, -f)

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This commit is contained in:
wolimst 2024-02-09 15:56:15 +09:00
parent dd64bae278
commit cb0ce0e1cb
2 changed files with 38 additions and 7 deletions
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27
src/uu/cut/src/cut.rs
View file

@ -359,12 +359,22 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
let complement = matches.get_flag(options::COMPLEMENT);
let mode_args_count = [
matches.indices_of(options::BYTES),
matches.indices_of(options::CHARACTERS),
matches.indices_of(options::FIELDS),
]
.into_iter()
.filter_map(|mode| mode.map(|indices| indices.len()))
.sum();
let mode_parse = match (
mode_args_count,
matches.get_one::<String>(options::BYTES),
matches.get_one::<String>(options::CHARACTERS),
matches.get_one::<String>(options::FIELDS),
) {
(Some(byte_ranges), None, None) => list_to_ranges(byte_ranges, complement).map(|ranges| {
(1, Some(byte_ranges), None, None) => list_to_ranges(byte_ranges, complement).map(|ranges| {
Mode::Bytes(
ranges,
Options {
@ -379,7 +389,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
},
)
}),
(None, Some(char_ranges), None) => list_to_ranges(char_ranges, complement).map(|ranges| {
(1, None, Some(char_ranges), None) => list_to_ranges(char_ranges, complement).map(|ranges| {
Mode::Characters(
ranges,
Options {
@ -394,7 +404,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
},
)
}),
(None, None, Some(field_ranges)) => {
(1, None, None, Some(field_ranges)) => {
list_to_ranges(field_ranges, complement).and_then(|ranges| {
let out_delim = match matches.get_one::<String>(options::OUTPUT_DELIMITER) {
Some(s) => {
@ -461,7 +471,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
}
})
}
(ref b, ref c, ref f) if b.is_some() || c.is_some() || f.is_some() => Err(
(2.., _, _, _) => Err(
"invalid usage: expects no more than one of --fields (-f), --chars (-c) or --bytes (-b)".into()
),
_ => Err("invalid usage: expects one of --fields (-f), --chars (-c) or --bytes (-b)".into()),
@ -518,7 +528,8 @@ pub fn uu_app() -> Command {
.long(options::BYTES)
.help("filter byte columns from the input source")
.allow_hyphen_values(true)
.value_name("LIST"),
.value_name("LIST")
.action(ArgAction::Append),
)
.arg(
Arg::new(options::CHARACTERS)
@ -526,7 +537,8 @@ pub fn uu_app() -> Command {
.long(options::CHARACTERS)
.help("alias for character mode")
.allow_hyphen_values(true)
.value_name("LIST"),
.value_name("LIST")
.action(ArgAction::Append),
)
.arg(
Arg::new(options::DELIMITER)
@ -548,7 +560,8 @@ pub fn uu_app() -> Command {
.long(options::FIELDS)
.help("filter field columns from the input source")
.allow_hyphen_values(true)
.value_name("LIST"),
.value_name("LIST")
.action(ArgAction::Append),
)
.arg(
Arg::new(options::COMPLEMENT)

18
tests/by-util/test_cut.rs
View file

@ -270,3 +270,21 @@ fn test_multiple() {
assert_eq!(result.stdout_str(), "b\n");
assert_eq!(result.stderr_str(), "");
}
#[test]
fn test_multiple_mode_args() {
for args in [
vec!["-b1", "-b2"],
vec!["-c1", "-c2"],
vec!["-f1", "-f2"],
vec!["-b1", "-c2"],
vec!["-b1", "-f2"],
vec!["-c1", "-f2"],
vec!["-b1", "-c2", "-f3"],
] {
new_ucmd!()
.args(&args)
.fails()
.stderr_is("cut: invalid usage: expects no more than one of --fields (-f), --chars (-c) or --bytes (-b)\n");
}
}