forked from extern/nushell
ca0c6eaf58
with the `help` command to explore and list all commands available. Enter will also try to see if the location to be entered is an existing Nu command, if it is it will let you inspect the command under `help`. This provides baseline needed so we can iterate on it.
48 lines
1.2 KiB
Rust
48 lines
1.2 KiB
Rust
use crate::commands::WholeStreamCommand;
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use crate::errors::ShellError;
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use crate::format::VTableView;
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use crate::prelude::*;
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pub struct VTable;
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#[derive(Deserialize)]
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pub struct VTableArgs {}
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impl WholeStreamCommand for VTable {
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fn name(&self) -> &str {
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"vtable"
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}
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fn signature(&self) -> Signature {
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Signature::build("vtable")
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}
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fn usage(&self) -> &str {
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"View the contents of the pipeline as a vertical (rotated) table."
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}
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fn run(
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&self,
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args: CommandArgs,
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registry: &CommandRegistry,
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) -> Result<OutputStream, ShellError> {
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args.process(registry, vtable)?.run()
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}
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}
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pub fn vtable(_args: VTableArgs, context: RunnableContext) -> Result<OutputStream, ShellError> {
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let stream = async_stream_block! {
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let input = context.input.into_vec().await;
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if input.len() > 0 {
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let mut host = context.host.lock().unwrap();
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let view = VTableView::from_list(&input);
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if let Some(view) = view {
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handle_unexpected(&mut *host, |host| crate::format::print_view(&view, host));
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}
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}
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};
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Ok(OutputStream::new(stream))
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}
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