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This commit is contained in:
pegasus.cadence@gmail.com
2024-11-19 04:55:15 -08:00
parent 3893fbb0b1
commit a84a859755
44 changed files with 2059 additions and 608 deletions
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30
crates/nu-command/src/generators/seq_char.rs
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@ -45,9 +45,10 @@ impl Command for SeqChar {
)),
},
Example {
description: "sequence a to e, and put the characters in a pipe-separated string",
description: "Sequence a to e, and join the characters with a pipe",
example: "seq char a e | str join '|'",
// TODO: it would be nice to test this example, but it currently breaks the input/output type tests
// result: Some(Value::test_string("a|b|c|d|e")),
result: None,
},
]
@ -65,7 +66,7 @@ impl Command for SeqChar {
}
fn is_single_character(ch: &str) -> bool {
ch.is_ascii() && ch.len() == 1 && ch.chars().all(char::is_alphabetic)
ch.is_ascii() && (ch.len() == 1)
}
fn seq_char(
@ -79,7 +80,7 @@ fn seq_char(
if !is_single_character(&start.item) {
return Err(ShellError::GenericError {
error: "seq char only accepts individual ASCII characters as parameters".into(),
msg: "should be 1 character long".into(),
msg: "input should be a single ASCII character".into(),
span: Some(start.span),
help: None,
inner: vec![],
@ -89,7 +90,7 @@ fn seq_char(
if !is_single_character(&end.item) {
return Err(ShellError::GenericError {
error: "seq char only accepts individual ASCII characters as parameters".into(),
msg: "should be 1 character long".into(),
msg: "input should be a single ASCII character".into(),
span: Some(end.span),
help: None,
inner: vec![],
@ -115,18 +116,27 @@ fn seq_char(
}
fn run_seq_char(start_ch: char, end_ch: char, span: Span) -> Result<PipelineData, ShellError> {
let mut result_vec = vec![];
for current_ch in start_ch as u8..end_ch as u8 + 1 {
result_vec.push((current_ch as char).to_string())
}
let start = start_ch as u8;
let end = end_ch as u8;
let range = if start <= end {
start..=end
} else {
end..=start
};
let result_vec = if start <= end {
range.map(|c| (c as char).to_string()).collect::<Vec<_>>()
} else {
range
.rev()
.map(|c| (c as char).to_string())
.collect::<Vec<_>>()
};
let result = result_vec
.into_iter()
.map(|x| Value::string(x, span))
.collect::<Vec<Value>>();
Ok(Value::list(result, span).into_pipeline_data())
}
#[cfg(test)]
mod tests {
use super::*;