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#[allow(unused)]
use std::{ffi::OsString, path::PathBuf};
#[derive(Debug)]
pub struct AliasCmd {
pub subcommand: AliasCmdCmd,
}
#[derive(Debug)]
pub enum AliasCmdCmd {
Sub(Sub),
This(This),
}
#[derive(Debug)]
pub struct Sub {
pub count: Option<usize>,
}
#[derive(Debug)]
pub struct This;
impl AliasCmd {
#[allow(dead_code)]
pub fn from_env_or_exit() -> Self {
Self::from_env_or_exit_()
}
#[allow(dead_code)]
pub fn from_env() -> xflags::Result<Self> {
Self::from_env_()
}
#[allow(dead_code)]
pub fn from_vec(args: Vec<std::ffi::OsString>) -> xflags::Result<Self> {
Self::from_vec_(args)
}
}
impl AliasCmd {
fn from_env_or_exit_() -> Self {
Self::from_env_().unwrap_or_else(|err| err.exit())
}
fn from_env_() -> xflags::Result<Self> {
let mut p = xflags::rt::Parser::new_from_env();
Self::parse_(&mut p)
}
fn from_vec_(args: Vec<std::ffi::OsString>) -> xflags::Result<Self> {
let mut p = xflags::rt::Parser::new(args);
Self::parse_(&mut p)
}
}
impl AliasCmd {
fn parse_(p_: &mut xflags::rt::Parser) -> xflags::Result<Self> {
#![allow(non_snake_case, unused_mut)]
let mut sub__count = Vec::new();
let mut state_ = 0u8;
while let Some(arg_) = p_.pop_flag() {
match arg_ {
Ok(flag_) => match (state_, flag_.as_str()) {
(0 | 1 | 2, "--help" | "-h") => return Err(p_.help(Self::HELP_)),
(1, "--count" | "-c") => {
sub__count.push(p_.next_value_from_str::<usize>(&flag_)?)
}
_ => return Err(p_.unexpected_flag(&flag_)),
},
Err(arg_) => match (state_, arg_.to_str().unwrap_or("")) {
(0, "sub" | "s") => state_ = 1,
(0, "this" | "one" | "has" | "a" | "lot" | "of" | "aliases") => state_ = 2,
(0, _) => {
return Err(p_.unexpected_arg(arg_));
}
_ => return Err(p_.unexpected_arg(arg_)),
},
}
}
Ok(AliasCmd {
subcommand: match state_ {
1 => AliasCmdCmd::Sub(Sub { count: p_.optional("--count", sub__count)? }),
2 => AliasCmdCmd::This(This {}),
_ => return Err(p_.subcommand_required()),
},
})
}
}
impl AliasCmd {
const HELP_: &'static str = "\
alias-cmd
commands with different aliases
OPTIONS:
-h, --help
Prints help information.
SUBCOMMANDS:
alias-cmd sub | s
And even an aliased subcommand!
OPTIONS:
-c, --count <count>
Little sanity check to see if this still works as intended
alias-cmd this | one | has | a | lot | of | aliases
";
}
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