mirror of
https://github.com/nushell/nushell.git
synced 2024-12-23 23:49:44 +01:00
convert string duration to named duration (#6406)
This commit is contained in:
Darren Schroeder
GitHub
parent
3f93dc2f1d
commit
5ebfa10495
@ -3,7 +3,8 @@ use nu_parser::parse_duration_bytes;
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use nu_protocol::{
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ast::{Call, CellPath, Expr},
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engine::{Command, EngineState, Stack},
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Category, Example, PipelineData, ShellError, Signature, Span, SyntaxShape, Unit, Value,
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Category, Example, PipelineData, ShellError, Signature, Span, Spanned, SyntaxShape, Unit,
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Value,
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};
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#[derive(Clone)]
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@ -16,6 +17,12 @@ impl Command for SubCommand {
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fn signature(&self) -> Signature {
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Signature::build("into duration")
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.named(
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"convert",
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SyntaxShape::String,
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"convert duration into another duration",
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Some('c'),
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)
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.rest(
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"rest",
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SyntaxShape::CellPath,
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@ -106,6 +113,15 @@ impl Command for SubCommand {
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span,
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}),
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},
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Example {
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description: "Convert string to a named duration",
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example: "'7min' | into duration --convert sec",
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result: Some(Value::String {
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val: "420 sec".to_string(),
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span,
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}),
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},
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]
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}
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}
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@ -117,17 +133,21 @@ fn into_duration(
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input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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let head = call.head;
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let convert_to_unit: Option<Spanned<String>> = call.get_flag(engine_state, stack, "convert")?;
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let column_paths: Vec<CellPath> = call.rest(engine_state, stack, 0)?;
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input.map(
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move |v| {
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if column_paths.is_empty() {
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action(&v, head)
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action(&v, &convert_to_unit, head)
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} else {
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let mut ret = v;
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for path in &column_paths {
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let r =
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ret.update_cell_path(&path.members, Box::new(move |old| action(old, head)));
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let d = convert_to_unit.clone();
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let r = ret.update_cell_path(
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&path.members,
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Box::new(move |old| action(old, &d, head)),
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);
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if let Err(error) = r {
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return Value::Error { error };
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}
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@ -140,6 +160,148 @@ fn into_duration(
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)
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}
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fn convert_str_from_unit_to_unit(
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val: i64,
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from_unit: &str,
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to_unit: &str,
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span: Span,
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value_span: Span,
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) -> Result<i64, ShellError> {
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match (from_unit, to_unit) {
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("ns", "ns") => Ok(val),
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("ns", "us") => Ok(val / 1000),
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("ns", "ms") => Ok(val / 1000 / 1000),
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("ns", "sec") => Ok(val / 1000 / 1000 / 1000),
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("ns", "min") => Ok(val / 1000 / 1000 / 1000 / 60),
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("ns", "hr") => Ok(val / 1000 / 1000 / 1000 / 60 / 60),
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("ns", "day") => Ok(val / 1000 / 1000 / 1000 / 60 / 60 / 24),
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("ns", "wk") => Ok(val / 1000 / 1000 / 1000 / 60 / 60 / 24 / 7),
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("ns", "month") => Ok(val / 1000 / 1000 / 1000 / 60 / 60 / 24 / 30),
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("ns", "yr") => Ok(val / 1000 / 1000 / 1000 / 60 / 60 / 24 / 365),
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("ns", "dec") => Ok(val / 10 / 1000 / 1000 / 1000 / 60 / 60 / 24 / 365),
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("us", "ns") => Ok(val * 1000),
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("us", "us") => Ok(val),
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("us", "ms") => Ok(val / 1000),
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("us", "sec") => Ok(val / 1000 / 1000),
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("us", "min") => Ok(val / 1000 / 1000 / 60),
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("us", "hr") => Ok(val / 1000 / 1000 / 60 / 60),
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("us", "day") => Ok(val / 1000 / 1000 / 60 / 60 / 24),
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("us", "wk") => Ok(val / 1000 / 1000 / 60 / 60 / 24 / 7),
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("us", "month") => Ok(val / 1000 / 1000 / 60 / 60 / 24 / 30),
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("us", "yr") => Ok(val / 1000 / 1000 / 60 / 60 / 24 / 365),
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("us", "dec") => Ok(val / 10 / 1000 / 1000 / 60 / 60 / 24 / 365),
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("ms", "ns") => Ok(val * 1000 * 1000),
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("ms", "us") => Ok(val * 1000),
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("ms", "ms") => Ok(val),
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("ms", "sec") => Ok(val / 1000),
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("ms", "min") => Ok(val / 1000 / 60),
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("ms", "hr") => Ok(val / 1000 / 60 / 60),
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("ms", "day") => Ok(val / 1000 / 60 / 60 / 24),
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("ms", "wk") => Ok(val / 1000 / 60 / 60 / 24 / 7),
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("ms", "month") => Ok(val / 1000 / 60 / 60 / 24 / 30),
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("ms", "yr") => Ok(val / 1000 / 60 / 60 / 24 / 365),
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("ms", "dec") => Ok(val / 10 / 1000 / 60 / 60 / 24 / 365),
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("sec", "ns") => Ok(val * 1000 * 1000 * 1000),
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("sec", "us") => Ok(val * 1000 * 1000),
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("sec", "ms") => Ok(val * 1000),
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("sec", "sec") => Ok(val),
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("sec", "min") => Ok(val / 60),
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("sec", "hr") => Ok(val / 60 / 60),
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("sec", "day") => Ok(val / 60 / 60 / 24),
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("sec", "wk") => Ok(val / 60 / 60 / 24 / 7),
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("sec", "month") => Ok(val / 60 / 60 / 24 / 30),
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("sec", "yr") => Ok(val / 60 / 60 / 24 / 365),
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("sec", "dec") => Ok(val / 10 / 60 / 60 / 24 / 365),
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("min", "ns") => Ok(val * 1000 * 1000 * 1000 * 60),
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("min", "us") => Ok(val * 1000 * 1000 * 60),
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("min", "ms") => Ok(val * 1000 * 60),
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("min", "sec") => Ok(val * 60),
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("min", "min") => Ok(val),
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("min", "hr") => Ok(val / 60),
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("min", "day") => Ok(val / 60 / 24),
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("min", "wk") => Ok(val / 60 / 24 / 7),
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("min", "month") => Ok(val / 60 / 24 / 30),
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("min", "yr") => Ok(val / 60 / 24 / 365),
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("min", "dec") => Ok(val / 10 / 60 / 24 / 365),
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("hr", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60),
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("hr", "us") => Ok(val * 1000 * 1000 * 60 * 60),
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("hr", "ms") => Ok(val * 1000 * 60 * 60),
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("hr", "sec") => Ok(val * 60 * 60),
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("hr", "min") => Ok(val * 60),
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("hr", "hr") => Ok(val),
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("hr", "day") => Ok(val / 24),
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("hr", "wk") => Ok(val / 24 / 7),
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("hr", "month") => Ok(val / 24 / 30),
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("hr", "yr") => Ok(val / 24 / 365),
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("hr", "dec") => Ok(val / 10 / 24 / 365),
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("day", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60 * 24),
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("day", "us") => Ok(val * 1000 * 1000 * 60 * 60 * 24),
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("day", "ms") => Ok(val * 1000 * 60 * 60 * 24),
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("day", "sec") => Ok(val * 60 * 60 * 24),
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("day", "min") => Ok(val * 60 * 24),
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("day", "hr") => Ok(val * 24),
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("day", "day") => Ok(val),
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("day", "wk") => Ok(val / 7),
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("day", "month") => Ok(val / 30),
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("day", "yr") => Ok(val / 365),
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("day", "dec") => Ok(val / 10 / 365),
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("wk", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60 * 24 * 7),
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("wk", "us") => Ok(val * 1000 * 1000 * 60 * 60 * 24 * 7),
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("wk", "ms") => Ok(val * 1000 * 60 * 60 * 24 * 7),
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("wk", "sec") => Ok(val * 60 * 60 * 24 * 7),
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("wk", "min") => Ok(val * 60 * 24 * 7),
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("wk", "hr") => Ok(val * 24 * 7),
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("wk", "day") => Ok(val * 7),
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("wk", "wk") => Ok(val),
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("wk", "month") => Ok(val / 4),
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("wk", "yr") => Ok(val / 52),
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("wk", "dec") => Ok(val / 10 / 52),
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("month", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60 * 24 * 30),
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("month", "us") => Ok(val * 1000 * 1000 * 60 * 60 * 24 * 30),
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("month", "ms") => Ok(val * 1000 * 60 * 60 * 24 * 30),
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("month", "sec") => Ok(val * 60 * 60 * 24 * 30),
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("month", "min") => Ok(val * 60 * 24 * 30),
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("month", "hr") => Ok(val * 24 * 30),
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("month", "day") => Ok(val * 30),
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("month", "wk") => Ok(val * 4),
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("month", "month") => Ok(val),
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("month", "yr") => Ok(val / 12),
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("month", "dec") => Ok(val / 10 / 12),
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("yr", "ns") => Ok(val * 1000 * 1000 * 1000 * 60 * 60 * 24 * 365),
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("yr", "us") => Ok(val * 1000 * 1000 * 60 * 60 * 24 * 365),
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("yr", "ms") => Ok(val * 1000 * 60 * 60 * 24 * 365),
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("yr", "sec") => Ok(val * 60 * 60 * 24 * 365),
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("yr", "min") => Ok(val * 60 * 24 * 365),
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("yr", "hr") => Ok(val * 24 * 365),
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("yr", "day") => Ok(val * 365),
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("yr", "wk") => Ok(val * 52),
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("yr", "month") => Ok(val * 12),
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("yr", "yr") => Ok(val),
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("yr", "dec") => Ok(val / 10),
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_ => Err(ShellError::CantConvertWithValue(
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"string duration".to_string(),
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"string duration".to_string(),
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to_unit.to_string(),
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span,
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value_span,
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Some(
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"supported units are ns, us, ms, sec, min, hr, day, wk, month, yr and dec"
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.to_string(),
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),
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)),
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}
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}
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fn string_to_duration(s: &str, span: Span, value_span: Span) -> Result<i64, ShellError> {
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if let Some(expression) = parse_duration_bytes(s.as_bytes(), span) {
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if let Expr::ValueWithUnit(value, unit) = expression.expr {
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@ -168,20 +330,105 @@ fn string_to_duration(s: &str, span: Span, value_span: Span) -> Result<i64, Shel
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s.to_string(),
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span,
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value_span,
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Some("supported units are ns, us, ms, sec, min, hr, day, and wk".to_string()),
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Some(
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"supported units are ns, us, ms, sec, min, hr, day, wk, month, yr and dec".to_string(),
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),
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))
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}
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fn action(input: &Value, span: Span) -> Value {
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fn string_to_unit_duration(
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s: &str,
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span: Span,
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value_span: Span,
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) -> Result<(&str, i64), ShellError> {
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if let Some(expression) = parse_duration_bytes(s.as_bytes(), span) {
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if let Expr::ValueWithUnit(value, unit) = expression.expr {
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if let Expr::Int(x) = value.expr {
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match unit.item {
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Unit::Nanosecond => return Ok(("ns", x)),
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Unit::Microsecond => return Ok(("us", x)),
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Unit::Millisecond => return Ok(("ms", x)),
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Unit::Second => return Ok(("sec", x)),
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Unit::Minute => return Ok(("min", x)),
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Unit::Hour => return Ok(("hr", x)),
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Unit::Day => return Ok(("day", x)),
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Unit::Week => return Ok(("wk", x)),
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Unit::Month => return Ok(("month", x)), //30 days to a month
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Unit::Year => return Ok(("yr", x)), //365 days to a year
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Unit::Decade => return Ok(("dec", x)), //365 days to a year
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_ => return Ok(("ns", 0)),
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}
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}
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}
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}
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Err(ShellError::CantConvertWithValue(
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"duration".to_string(),
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"string".to_string(),
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s.to_string(),
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span,
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value_span,
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Some(
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"supported units are ns, us, ms, sec, min, hr, day, wk, month, yr and dec".to_string(),
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),
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))
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}
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fn action(input: &Value, convert_to_unit: &Option<Spanned<String>>, span: Span) -> Value {
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match input {
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Value::Duration { .. } => input.clone(),
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Value::Duration {
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val: _val_num,
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span: _value_span,
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} => {
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if let Some(_to_unit) = convert_to_unit {
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Value::Error {
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error: ShellError::UnsupportedInput(
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"Cannot convert from a Value::Duration right now. Try making it a string."
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.into(),
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span,
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),
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}
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} else {
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input.clone()
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}
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}
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Value::String {
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val,
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span: value_span,
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} => match string_to_duration(val, span, *value_span) {
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} => {
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if let Some(to_unit) = convert_to_unit {
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if let Ok(dur) = string_to_unit_duration(val, span, *value_span) {
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let from_unit = dur.0;
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let duration = dur.1;
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match convert_str_from_unit_to_unit(
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duration,
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from_unit,
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&to_unit.item,
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span,
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*value_span,
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) {
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Ok(d) => Value::String {
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val: format!("{} {}", d, &to_unit.item),
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span: *value_span,
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},
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Err(e) => Value::Error { error: e },
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}
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} else {
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Value::Error {
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error: ShellError::UnsupportedInput(
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"'into duration' does not support this string input".into(),
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span,
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),
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}
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}
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} else {
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match string_to_duration(val, span, *value_span) {
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Ok(val) => Value::Duration { val, span },
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Err(error) => Value::Error { error },
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},
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}
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}
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}
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_ => Value::Error {
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error: ShellError::UnsupportedInput(
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"'into duration' does not support this input".into(),
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@ -207,8 +454,9 @@ mod test {
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let span = Span::test_data();
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let word = Value::test_string("3ns");
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let expected = Value::Duration { val: 3, span };
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let convert_duration = None;
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let actual = action(&word, span);
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let actual = action(&word, &convert_duration, span);
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assert_eq!(actual, expected);
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}
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@ -220,8 +468,9 @@ mod test {
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val: 4 * 1000,
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span,
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};
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let convert_duration = None;
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let actual = action(&word, span);
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let actual = action(&word, &convert_duration, span);
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assert_eq!(actual, expected);
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}
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@ -233,8 +482,9 @@ mod test {
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val: 5 * 1000 * 1000,
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span,
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};
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let convert_duration = None;
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let actual = action(&word, span);
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let actual = action(&word, &convert_duration, span);
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assert_eq!(actual, expected);
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}
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@ -246,8 +496,9 @@ mod test {
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val: 1000 * 1000 * 1000,
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span,
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};
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let convert_duration = None;
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let actual = action(&word, span);
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let actual = action(&word, &convert_duration, span);
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assert_eq!(actual, expected);
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}
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@ -259,8 +510,9 @@ mod test {
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val: 7 * 60 * 1000 * 1000 * 1000,
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span,
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};
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let convert_duration = None;
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let actual = action(&word, span);
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let actual = action(&word, &convert_duration, span);
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assert_eq!(actual, expected);
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}
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@ -272,8 +524,9 @@ mod test {
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val: 42 * 60 * 60 * 1000 * 1000 * 1000,
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span,
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};
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let convert_duration = None;
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let actual = action(&word, span);
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let actual = action(&word, &convert_duration, span);
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assert_eq!(actual, expected);
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}
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@ -285,8 +538,9 @@ mod test {
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val: 123 * 24 * 60 * 60 * 1000 * 1000 * 1000,
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span,
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};
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let convert_duration = None;
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let actual = action(&word, span);
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let actual = action(&word, &convert_duration, span);
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assert_eq!(actual, expected);
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}
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@ -298,8 +552,9 @@ mod test {
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val: 3 * 7 * 24 * 60 * 60 * 1000 * 1000 * 1000,
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span,
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};
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let convert_duration = None;
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let actual = action(&word, span);
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let actual = action(&word, &convert_duration, span);
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assert_eq!(actual, expected);
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}
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}
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