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use std::time::Duration;
use structopt::clap::AppSettings::*;
use structopt::StructOpt;
#[derive(StructOpt, Debug)]
#[structopt(
rename_all = "kebab-case",
template = "{subcommands}",
raw(global_settings = "&[VersionlessSubcommands,
DisableHelpFlags,
DisableVersion,
ColorNever,
NoBinaryName,
AllowLeadingHyphen]",)
)]
pub enum Command {
/// Adds url to playlist
Add { url: String },
/// Adds the first video found on YouTube
Search { query: Vec<String> },
/// Starts audio playback
Play,
/// Pauses audio playback
Pause,
/// Seeks by a specified amount
Seek { amount: Seek },
/// Stops audio playback
Stop,
/// Switches to the next queue entry
#[structopt(alias = "skip")]
Next,
/// Clears the playback queue
Clear,
/// Changes the volume to the specified value
Volume { volume: VolumeChange },
/// Leaves the channel
Leave,
}
#[derive(Copy, Clone, Debug)]
pub enum Seek {
Positive(Duration),
Negative(Duration),
Absolute(Duration),
}
impl std::str::FromStr for Seek {
type Err = humantime::DurationError;
fn from_str(mut amount: &str) -> std::result::Result<Self, Self::Err> {
let sign = match amount.chars().next() {
Some('+') => 1,
Some('-') => -1,
_ => 0,
};
let is_relative = sign != 0;
if is_relative {
amount = &amount[1..];
}
let duration = humantime::parse_duration(amount)?;
match sign {
1 => Ok(Seek::Positive(duration)),
-1 => Ok(Seek::Negative(duration)),
_ => Ok(Seek::Absolute(duration)),
}
}
}
#[derive(Copy, Clone, Debug)]
pub enum VolumeChange {
Positive(f64),
Negative(f64),
Absolute(f64),
}
// TODO This runs twice, report to clap?
impl std::str::FromStr for VolumeChange {
type Err = std::num::ParseFloatError;
fn from_str(mut amount: &str) -> std::result::Result<Self, Self::Err> {
let sign = match amount.chars().next() {
Some('+') => 1,
Some('-') => -1,
_ => 0,
};
let is_relative = sign != 0;
if is_relative {
amount = &amount[1..];
}
let amount = f64::from_str(amount)? * 0.01;
match sign {
1 => Ok(VolumeChange::Positive(amount)),
-1 => Ok(VolumeChange::Negative(amount)),
_ => Ok(VolumeChange::Absolute(amount)),
}
}
}
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