54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
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use std::io;
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use super::Cmd;
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use clap::{Arg, ArgAction, Command, ValueHint};
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#[derive(Debug, Default)]
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pub struct Expand;
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impl Cmd for Expand {
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fn cli(&self) -> clap::Command {
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Command::new("expand")
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.about("convert tabs to spaces")
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.author("Nathan Fisher")
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.version(env!("CARGO_PKG_VERSION"))
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.args([
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Arg::new("file")
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.num_args(1..)
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.default_value("-")
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.value_name("FILE")
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.value_hint(ValueHint::FilePath),
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Arg::new("initial")
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.short('i')
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.long("initial")
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.help("do not convert tabs after non blanks")
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.action(ArgAction::SetTrue),
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Arg::new("tabs")
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.short('t')
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.long("tabs")
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.default_value("8")
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.help(
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"Specify the tab stops. The application shall ensure that \
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the argument tablist consists of either a single positive \
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decimal integer or a list of tabstops. If a single number \
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is given, tabs shall be set that number of column positions \
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apart instead of the default 8.",
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)
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.value_name("tablist")
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.value_delimiter(',')
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.num_args(1..),
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])
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}
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fn run(&self, matches: Option<&clap::ArgMatches>) -> Result<(), Box<dyn std::error::Error>> {
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let Some(matches) = matches else {
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return Err(io::Error::new(io::ErrorKind::Other, "no input").into());
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};
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Ok(())
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}
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fn path(&self) -> Option<crate::Path> {
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Some(crate::Path::UsrBin)
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}
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}
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