Keep until and while as subcommands of keep (#2197)

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k-brk 2020-07-17 21:06:48 +02:00 committed by GitHub
parent f26151e36d
commit 6497421615
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 36 additions and 32 deletions

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@ -67,8 +67,6 @@ pub(crate) mod if_;
pub(crate) mod insert;
pub(crate) mod is_empty;
pub(crate) mod keep;
pub(crate) mod keep_until;
pub(crate) mod keep_while;
pub(crate) mod last;
pub(crate) mod lines;
pub(crate) mod ls;
@ -196,9 +194,7 @@ pub(crate) use help::Help;
pub(crate) use histogram::Histogram;
pub(crate) use history::History;
pub(crate) use insert::Insert;
pub(crate) use keep::Keep;
pub(crate) use keep_until::KeepUntil;
pub(crate) use keep_while::KeepWhile;
pub(crate) use keep::{Keep, KeepUntil, KeepWhile};
pub(crate) use last::Last;
pub(crate) use lines::Lines;
pub(crate) use ls::Ls;

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@ -5,15 +5,15 @@ use nu_errors::ShellError;
use nu_protocol::{Signature, SyntaxShape, UntaggedValue};
use nu_source::Tagged;
pub struct Keep;
pub struct Command;
#[derive(Deserialize)]
pub struct KeepArgs {
pub struct Arguments {
rows: Option<Tagged<usize>>,
}
#[async_trait]
impl WholeStreamCommand for Keep {
impl WholeStreamCommand for Command {
fn name(&self) -> &str {
"keep"
}
@ -22,7 +22,7 @@ impl WholeStreamCommand for Keep {
Signature::build("keep").optional(
"rows",
SyntaxShape::Int,
"starting from the front, the number of rows to keep",
"Starting from the front, the number of rows to keep",
)
}
@ -61,7 +61,7 @@ impl WholeStreamCommand for Keep {
async fn keep(args: CommandArgs, registry: &CommandRegistry) -> Result<OutputStream, ShellError> {
let registry = registry.clone();
let (KeepArgs { rows }, input) = args.process(&registry).await?;
let (Arguments { rows }, input) = args.process(&registry).await?;
let rows_desired = if let Some(quantity) = rows {
*quantity
} else {
@ -73,12 +73,12 @@ async fn keep(args: CommandArgs, registry: &CommandRegistry) -> Result<OutputStr
#[cfg(test)]
mod tests {
use super::Keep;
use super::Command;
#[test]
fn examples_work_as_expected() {
use crate::examples::test as test_examples;
test_examples(Keep {})
test_examples(Command {})
}
}

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@ -0,0 +1,7 @@
mod command;
mod until;
mod while_;
pub use command::Command as Keep;
pub use until::SubCommand as KeepUntil;
pub use while_::SubCommand as KeepWhile;

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@ -5,20 +5,20 @@ use log::trace;
use nu_errors::ShellError;
use nu_protocol::{hir::ClassifiedCommand, Signature, SyntaxShape, UntaggedValue, Value};
pub struct KeepUntil;
pub struct SubCommand;
#[async_trait]
impl WholeStreamCommand for KeepUntil {
impl WholeStreamCommand for SubCommand {
fn name(&self) -> &str {
"keep-until"
"keep until"
}
fn signature(&self) -> Signature {
Signature::build("keep-until")
Signature::build("keep until")
.required(
"condition",
SyntaxShape::Math,
"the condition that must be met to stop keeping rows",
"The condition that must be met to stop keeping rows",
)
.filter()
}
@ -109,12 +109,12 @@ impl WholeStreamCommand for KeepUntil {
#[cfg(test)]
mod tests {
use super::KeepUntil;
use super::SubCommand;
#[test]
fn examples_work_as_expected() {
use crate::examples::test as test_examples;
test_examples(KeepUntil {})
test_examples(SubCommand {})
}
}

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@ -5,20 +5,20 @@ use log::trace;
use nu_errors::ShellError;
use nu_protocol::{hir::ClassifiedCommand, Signature, SyntaxShape, UntaggedValue, Value};
pub struct KeepWhile;
pub struct SubCommand;
#[async_trait]
impl WholeStreamCommand for KeepWhile {
impl WholeStreamCommand for SubCommand {
fn name(&self) -> &str {
"keep-while"
"keep while"
}
fn signature(&self) -> Signature {
Signature::build("keep-while")
Signature::build("keep while")
.required(
"condition",
SyntaxShape::Math,
"the condition that must be met to keep rows",
"The condition that must be met to keep rows",
)
.filter()
}
@ -109,12 +109,12 @@ impl WholeStreamCommand for KeepWhile {
#[cfg(test)]
mod tests {
use super::KeepWhile;
use super::SubCommand;
#[test]
fn examples_work_as_expected() {
use crate::examples::test as test_examples;
test_examples(KeepWhile {})
test_examples(SubCommand {})
}
}

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@ -0,0 +1,3 @@
mod keep;
mod until;
mod while_;

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@ -4,7 +4,7 @@ use nu_test_support::{nu, pipeline};
#[test]
fn condition_is_met() {
Playground::setup("keep-until_test_1", |dirs, sandbox| {
Playground::setup("keep_until_test_1", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"caballeros.txt",
r#"
@ -38,7 +38,7 @@ fn condition_is_met() {
| split column ','
| headers
| skip while "Chicken Collection" != "Blue Chickens"
| keep-until "Chicken Collection" == "Red Chickens"
| keep until "Chicken Collection" == "Red Chickens"
| skip 1
| str to-int "31/04/2020"
| get "31/04/2020"

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@ -4,7 +4,7 @@ use nu_test_support::{nu, pipeline};
#[test]
fn condition_is_met() {
Playground::setup("keep-while_test_1", |dirs, sandbox| {
Playground::setup("keep_while_test_1", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"caballeros.txt",
r#"
@ -38,7 +38,7 @@ fn condition_is_met() {
| split column ','
| headers
| skip 1
| keep-while "Chicken Collection" != "Blue Chickens"
| keep while "Chicken Collection" != "Blue Chickens"
| str to-int "31/04/2020"
| get "31/04/2020"
| math sum

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@ -23,8 +23,6 @@ mod histogram;
mod insert;
mod is_empty;
mod keep;
mod keep_until;
mod keep_while;
mod last;
mod lines;
mod ls;