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convert string duration to named duration (#6406)

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Darren Schroeder 2022-08-24 14:45:51 -05:00 committed by GitHub
parent 3f93dc2f1d
commit 5ebfa10495
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1 changed files with 274 additions and 19 deletions
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293
crates/nu-command/src/conversions/into/duration.rs
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@ -3,7 +3,8 @@ use nu_parser::parse_duration_bytes;
use nu_protocol::{
ast::{Call, CellPath, Expr},
engine::{Command, EngineState, Stack},
Category, Example, PipelineData, ShellError, Signature, Span, SyntaxShape, Unit, Value,
Category, Example, PipelineData, ShellError, Signature, Span, Spanned, SyntaxShape, Unit,
Value,
};
#[derive(Clone)]
@ -16,6 +17,12 @@ impl Command for SubCommand {
fn signature(&self) -> Signature {
Signature::build("into duration")
.named(
"convert",
SyntaxShape::String,
"convert duration into another duration",
Some('c'),
)
.rest(
"rest",
SyntaxShape::CellPath,
@ -106,6 +113,15 @@ impl Command for SubCommand {
span,
}),
},
Example {
description: "Convert string to a named duration",
example: "'7min' | into duration --convert sec",
result: Some(Value::String {
val: "420 sec".to_string(),
span,
}),
},
]
}
}
@ -117,17 +133,21 @@ fn into_duration(
input: PipelineData,
) -> Result<PipelineData, ShellError> {
let head = call.head;
let convert_to_unit: Option<Spanned<String>> = call.get_flag(engine_state, stack, "convert")?;
let column_paths: Vec<CellPath> = call.rest(engine_state, stack, 0)?;
input.map(
move |v| {
if column_paths.is_empty() {
action(&v, head)
action(&v, &convert_to_unit, head)
} else {
let mut ret = v;
for path in &column_paths {
let r =
ret.update_cell_path(&path.members, Box::new(move |old| action(old, head)));
let d = convert_to_unit.clone();
let r = ret.update_cell_path(
&path.members,
Box::new(move |old| action(old, &d, head)),
);
if let Err(error) = r {
return Value::Error { error };
}
@ -140,6 +160,148 @@ fn into_duration(
)
}
fn convert_str_from_unit_to_unit(
val: i64,
from_unit: &str,
to_unit: &str,
span: Span,
value_span: Span,
) -> Result<i64, ShellError> {
match (from_unit, to_unit) {
("ns", "ns") => Ok(val),
("ns", "us") => Ok(val / 1000),
("ns", "ms") => Ok(val / 1000 / 1000),
("ns", "sec") => Ok(val / 1000 / 1000 / 1000),
("ns", "min") => Ok(val / 1000 / 1000 / 1000 / 60),
("ns", "hr") => Ok(val / 1000 / 1000 / 1000 / 60 / 60),
("ns", "day") => Ok(val / 1000 / 1000 / 1000 / 60 / 60 / 24),
("ns", "wk") => Ok(val / 1000 / 1000 / 1000 / 60 / 60 / 24 / 7),
("ns", "month") => Ok(val / 1000 / 1000 / 1000 / 60 / 60 / 24 / 30),
("ns", "yr") => Ok(val / 1000 / 1000 / 1000 / 60 / 60 / 24 / 365),
("ns", "dec") => Ok(val / 10 / 1000 / 1000 / 1000 / 60 / 60 / 24 / 365),
("us", "ns") => Ok(val * 1000),
("us", "us") => Ok(val),
("us", "ms") => Ok(val / 1000),
("us", "sec") => Ok(val / 1000 / 1000),
("us", "min") => Ok(val / 1000 / 1000 / 60),
("us", "hr") => Ok(val / 1000 / 1000 / 60 / 60),
("us", "day") => Ok(val / 1000 / 1000 / 60 / 60 / 24),
("us", "wk") => Ok(val / 1000 / 1000 / 60 / 60 / 24 / 7),
("us", "month") => Ok(val / 1000 / 1000 / 60 / 60 / 24 / 30),
("us", "yr") => Ok(val / 1000 / 1000 / 60 / 60 / 24 / 365),
("us", "dec") => Ok(val / 10 / 1000 / 1000 / 60 / 60 / 24 / 365),
("ms", "ns") => Ok(val * 1000 * 1000),
("ms", "us") => Ok(val * 1000),
("ms", "ms") => Ok(val),
("ms", "sec") => Ok(val / 1000),
("ms", "min") => Ok(val / 1000 / 60),
("ms", "hr") => Ok(val / 1000 / 60 / 60),
("ms", "day") => Ok(val / 1000 / 60 / 60 / 24),
("ms", "wk") => Ok(val / 1000 / 60 / 60 / 24 / 7),
("ms", "month") => Ok(val / 1000 / 60 / 60 / 24 / 30),
("ms", "yr") => Ok(val / 1000 / 60 / 60 / 24 / 365),
("ms", "dec") => Ok(val / 10 / 1000 / 60 / 60 / 24 / 365),
("sec", "ns") => Ok(val * 1000 * 1000 * 1000),
("sec", "us") => Ok(val * 1000 * 1000),
("sec", "ms") => Ok(val * 1000),
("sec", "sec") => Ok(val),
("sec", "min") => Ok(val / 60),
("sec", "hr") => Ok(val / 60 / 60),
("sec", "day") => Ok(val / 60 / 60 / 24),
("sec", "wk") => Ok(val / 60 / 60 / 24 / 7),
("sec", "month") => Ok(val / 60 / 60 / 24 / 30),
("sec", "yr") => Ok(val / 60 / 60 / 24 / 365),
("sec", "dec") => Ok(val / 10 / 60 / 60 / 24 / 365),
("min", "ns") => Ok(val * 1000 * 1000 * 1000 * 60),
("min", "us") => Ok(val * 1000 * 1000 * 60),
("min", "ms") => Ok(val * 1000 * 60),
("min", "sec") => Ok(val * 60),
("min", "min") => Ok(val),
("min", "hr") => Ok(val / 60),
("min", "day") => Ok(val / 60 / 24),
("min", "wk") => Ok(val / 60 / 24 / 7),
("min", "month") => Ok(val / 60 / 24 / 30),
("min", "yr") => Ok(val / 60 / 24 / 365),
("min", "dec") => Ok(val / 10 / 60 / 24 / 365),
("hr", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60),
("hr", "us") => Ok(val * 1000 * 1000 * 60 * 60),
("hr", "ms") => Ok(val * 1000 * 60 * 60),
("hr", "sec") => Ok(val * 60 * 60),
("hr", "min") => Ok(val * 60),
("hr", "hr") => Ok(val),
("hr", "day") => Ok(val / 24),
("hr", "wk") => Ok(val / 24 / 7),
("hr", "month") => Ok(val / 24 / 30),
("hr", "yr") => Ok(val / 24 / 365),
("hr", "dec") => Ok(val / 10 / 24 / 365),
("day", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60 * 24),
("day", "us") => Ok(val * 1000 * 1000 * 60 * 60 * 24),
("day", "ms") => Ok(val * 1000 * 60 * 60 * 24),
("day", "sec") => Ok(val * 60 * 60 * 24),
("day", "min") => Ok(val * 60 * 24),
("day", "hr") => Ok(val * 24),
("day", "day") => Ok(val),
("day", "wk") => Ok(val / 7),
("day", "month") => Ok(val / 30),
("day", "yr") => Ok(val / 365),
("day", "dec") => Ok(val / 10 / 365),
("wk", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60 * 24 * 7),
("wk", "us") => Ok(val * 1000 * 1000 * 60 * 60 * 24 * 7),
("wk", "ms") => Ok(val * 1000 * 60 * 60 * 24 * 7),
("wk", "sec") => Ok(val * 60 * 60 * 24 * 7),
("wk", "min") => Ok(val * 60 * 24 * 7),
("wk", "hr") => Ok(val * 24 * 7),
("wk", "day") => Ok(val * 7),
("wk", "wk") => Ok(val),
("wk", "month") => Ok(val / 4),
("wk", "yr") => Ok(val / 52),
("wk", "dec") => Ok(val / 10 / 52),
("month", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60 * 24 * 30),
("month", "us") => Ok(val * 1000 * 1000 * 60 * 60 * 24 * 30),
("month", "ms") => Ok(val * 1000 * 60 * 60 * 24 * 30),
("month", "sec") => Ok(val * 60 * 60 * 24 * 30),
("month", "min") => Ok(val * 60 * 24 * 30),
("month", "hr") => Ok(val * 24 * 30),
("month", "day") => Ok(val * 30),
("month", "wk") => Ok(val * 4),
("month", "month") => Ok(val),
("month", "yr") => Ok(val / 12),
("month", "dec") => Ok(val / 10 / 12),
("yr", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60 * 24 * 365),
("yr", "us") => Ok(val * 1000 * 1000 * 60 * 60 * 24 * 365),
("yr", "ms") => Ok(val * 1000 * 60 * 60 * 24 * 365),
("yr", "sec") => Ok(val * 60 * 60 * 24 * 365),
("yr", "min") => Ok(val * 60 * 24 * 365),
("yr", "hr") => Ok(val * 24 * 365),
("yr", "day") => Ok(val * 365),
("yr", "wk") => Ok(val * 52),
("yr", "month") => Ok(val * 12),
("yr", "yr") => Ok(val),
("yr", "dec") => Ok(val / 10),
_ => Err(ShellError::CantConvertWithValue(
"string duration".to_string(),
"string duration".to_string(),
to_unit.to_string(),
span,
value_span,
Some(
"supported units are ns, us, ms, sec, min, hr, day, wk, month, yr and dec"
.to_string(),
),
)),
}
}
fn string_to_duration(s: &str, span: Span, value_span: Span) -> Result<i64, ShellError> {
if let Some(expression) = parse_duration_bytes(s.as_bytes(), span) {
if let Expr::ValueWithUnit(value, unit) = expression.expr {
@ -168,20 +330,105 @@ fn string_to_duration(s: &str, span: Span, value_span: Span) -> Result<i64, Shel
s.to_string(),
span,
value_span,
Some("supported units are ns, us, ms, sec, min, hr, day, and wk".to_string()),
Some(
"supported units are ns, us, ms, sec, min, hr, day, wk, month, yr and dec".to_string(),
),
))
}
fn action(input: &Value, span: Span) -> Value {
fn string_to_unit_duration(
s: &str,
span: Span,
value_span: Span,
) -> Result<(&str, i64), ShellError> {
if let Some(expression) = parse_duration_bytes(s.as_bytes(), span) {
if let Expr::ValueWithUnit(value, unit) = expression.expr {
if let Expr::Int(x) = value.expr {
match unit.item {
Unit::Nanosecond => return Ok(("ns", x)),
Unit::Microsecond => return Ok(("us", x)),
Unit::Millisecond => return Ok(("ms", x)),
Unit::Second => return Ok(("sec", x)),
Unit::Minute => return Ok(("min", x)),
Unit::Hour => return Ok(("hr", x)),
Unit::Day => return Ok(("day", x)),
Unit::Week => return Ok(("wk", x)),
Unit::Month => return Ok(("month", x)), //30 days to a month
Unit::Year => return Ok(("yr", x)), //365 days to a year
Unit::Decade => return Ok(("dec", x)), //365 days to a year
_ => return Ok(("ns", 0)),
}
}
}
}
Err(ShellError::CantConvertWithValue(
"duration".to_string(),
"string".to_string(),
s.to_string(),
span,
value_span,
Some(
"supported units are ns, us, ms, sec, min, hr, day, wk, month, yr and dec".to_string(),
),
))
}
fn action(input: &Value, convert_to_unit: &Option<Spanned<String>>, span: Span) -> Value {
match input {
Value::Duration { .. } => input.clone(),
Value::Duration {
val: _val_num,
span: _value_span,
} => {
if let Some(_to_unit) = convert_to_unit {
Value::Error {
error: ShellError::UnsupportedInput(
"Cannot convert from a Value::Duration right now. Try making it a string."
.into(),
span,
),
}
} else {
input.clone()
}
}
Value::String {
val,
span: value_span,
} => match string_to_duration(val, span, *value_span) {
Ok(val) => Value::Duration { val, span },
Err(error) => Value::Error { error },
},
} => {
if let Some(to_unit) = convert_to_unit {
if let Ok(dur) = string_to_unit_duration(val, span, *value_span) {
let from_unit = dur.0;
let duration = dur.1;
match convert_str_from_unit_to_unit(
duration,
from_unit,
&to_unit.item,
span,
*value_span,
) {
Ok(d) => Value::String {
val: format!("{} {}", d, &to_unit.item),
span: *value_span,
},
Err(e) => Value::Error { error: e },
}
} else {
Value::Error {
error: ShellError::UnsupportedInput(
"'into duration' does not support this string input".into(),
span,
),
}
}
} else {
match string_to_duration(val, span, *value_span) {
Ok(val) => Value::Duration { val, span },
Err(error) => Value::Error { error },
}
}
}
_ => Value::Error {
error: ShellError::UnsupportedInput(
"'into duration' does not support this input".into(),
@ -207,8 +454,9 @@ mod test {
let span = Span::test_data();
let word = Value::test_string("3ns");
let expected = Value::Duration { val: 3, span };
let convert_duration = None;
let actual = action(&word, span);
let actual = action(&word, &convert_duration, span);
assert_eq!(actual, expected);
}
@ -220,8 +468,9 @@ mod test {
val: 4 * 1000,
span,
};
let convert_duration = None;
let actual = action(&word, span);
let actual = action(&word, &convert_duration, span);
assert_eq!(actual, expected);
}
@ -233,8 +482,9 @@ mod test {
val: 5 * 1000 * 1000,
span,
};
let convert_duration = None;
let actual = action(&word, span);
let actual = action(&word, &convert_duration, span);
assert_eq!(actual, expected);
}
@ -246,8 +496,9 @@ mod test {
val: 1000 * 1000 * 1000,
span,
};
let convert_duration = None;
let actual = action(&word, span);
let actual = action(&word, &convert_duration, span);
assert_eq!(actual, expected);
}
@ -259,8 +510,9 @@ mod test {
val: 7 * 60 * 1000 * 1000 * 1000,
span,
};
let convert_duration = None;
let actual = action(&word, span);
let actual = action(&word, &convert_duration, span);
assert_eq!(actual, expected);
}
@ -272,8 +524,9 @@ mod test {
val: 42 * 60 * 60 * 1000 * 1000 * 1000,
span,
};
let convert_duration = None;
let actual = action(&word, span);
let actual = action(&word, &convert_duration, span);
assert_eq!(actual, expected);
}
@ -285,8 +538,9 @@ mod test {
val: 123 * 24 * 60 * 60 * 1000 * 1000 * 1000,
span,
};
let convert_duration = None;
let actual = action(&word, span);
let actual = action(&word, &convert_duration, span);
assert_eq!(actual, expected);
}
@ -298,8 +552,9 @@ mod test {
val: 3 * 7 * 24 * 60 * 60 * 1000 * 1000 * 1000,
span,
};
let convert_duration = None;
let actual = action(&word, span);
let actual = action(&word, &convert_duration, span);
assert_eq!(actual, expected);
}
}