forked from extern/nushell
91 lines
2.4 KiB
Rust
91 lines
2.4 KiB
Rust
use crate::prelude::*;
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use nu_engine::{shell::LsArgs, WholeStreamCommand};
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use nu_errors::ShellError;
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use nu_protocol::{Signature, SyntaxShape};
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pub struct Ls;
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impl WholeStreamCommand for Ls {
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fn name(&self) -> &str {
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"ls"
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}
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fn signature(&self) -> Signature {
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Signature::build("ls")
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.optional(
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"path",
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SyntaxShape::GlobPattern,
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"a path to get the directory contents from",
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)
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.switch("all", "Show hidden files", Some('a'))
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.switch(
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"long",
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"List all available columns for each entry",
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Some('l'),
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)
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.switch(
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"short-names",
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"Only print the file names and not the path",
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Some('s'),
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)
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.switch(
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"du",
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"Display the apparent directory size in place of the directory metadata size",
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Some('d'),
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)
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}
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fn usage(&self) -> &str {
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"View the contents of the current or given path."
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}
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fn run_with_actions(&self, args: CommandArgs) -> Result<ActionStream, ShellError> {
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let name = args.call_info.name_tag.clone();
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let ctrl_c = args.ctrl_c();
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let shell_manager = args.shell_manager();
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let args = LsArgs {
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path: args.opt(0)?,
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all: args.has_flag("all"),
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long: args.has_flag("long"),
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short_names: args.has_flag("short-names"),
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du: args.has_flag("du"),
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};
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shell_manager.ls(args, name, ctrl_c)
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}
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fn examples(&self) -> Vec<Example> {
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vec![
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Example {
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description: "List all files in the current directory",
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example: "ls",
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result: None,
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},
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Example {
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description: "List all files in a subdirectory",
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example: "ls subdir",
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result: None,
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},
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Example {
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description: "List all rust files",
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example: "ls *.rs",
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result: None,
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},
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]
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}
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}
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#[cfg(test)]
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mod tests {
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use super::Ls;
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use super::ShellError;
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#[test]
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fn examples_work_as_expected() -> Result<(), ShellError> {
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use crate::examples::test as test_examples;
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test_examples(Ls {})
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}
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}
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