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Evaluation of command arguments (#1801)

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* Finish adding the baseline refactors for argument invocation

* Finish cleanup and add test

* Add missing plugin references
This commit is contained in:
Jonathan Turner
2020-05-15 20:18:24 -07:00
committed by GitHub
parent 822440d5ff
commit 076fde16dd
139 changed files with 2496 additions and 2188 deletions
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30
crates/nu-cli/src/commands/range.rs
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@ -3,7 +3,7 @@ use crate::context::CommandRegistry;
use crate::deserializer::NumericRange;
use crate::prelude::*;
use nu_errors::ShellError;
use nu_protocol::{Signature, SyntaxShape};
use nu_protocol::{ReturnSuccess, Signature, SyntaxShape};
use nu_source::Tagged;
#[derive(Deserialize)]
@ -35,20 +35,26 @@ impl WholeStreamCommand for Range {
args: CommandArgs,
registry: &CommandRegistry,
) -> Result<OutputStream, ShellError> {
args.process(registry, range)?.run()
range(args, registry)
}
}
fn range(
RangeArgs { area }: RangeArgs,
RunnableContext { input, .. }: RunnableContext,
) -> Result<OutputStream, ShellError> {
let range = area.item;
let (from, _) = range.from;
let (to, _) = range.to;
fn range(args: CommandArgs, registry: &CommandRegistry) -> Result<OutputStream, ShellError> {
let registry = registry.clone();
let stream = async_stream! {
let (RangeArgs { area }, mut input) = args.process(&registry).await?;
let range = area.item;
let (from, _) = range.from;
let (to, _) = range.to;
let from = *from as usize;
let to = *to as usize;
let from = *from as usize;
let to = *to as usize;
Ok(input.skip(from).take(to - from + 1).to_output_stream())
let mut inp = input.skip(from).take(to - from + 1);
while let Some(item) = inp.next().await {
yield ReturnSuccess::value(item);
}
};
Ok(stream.to_output_stream())
}