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use serde::Deserialize;
use std::env;
use std::fmt;
#[derive(Clone, Debug, Deserialize)]
pub struct ProgramEntry {
#[serde(rename = "command")]
_command: String,
#[serde(default, rename = "args")]
_args: Vec<String>,
#[serde(default, rename = "fork")]
_fork: bool,
#[serde(default, rename = "silent")]
_silent: bool,
#[serde(default, rename = "confirm_exit")]
_confirm_exit: bool,
#[serde(default, rename = "pager")]
_pager: bool,
}
impl ProgramEntry {
pub fn new(command: String) -> Self {
Self {
_command: command,
_args: Vec::new(),
_fork: false,
_silent: false,
_confirm_exit: false,
_pager: false,
}
}
#[allow(dead_code)]
pub fn arg<S: std::convert::Into<String>>(&mut self, arg: S) -> &mut Self {
self._args.push(arg.into());
self
}
pub fn args<I, S>(&mut self, args: I) -> &mut Self
where
I: Iterator<Item = S>,
S: std::convert::Into<String>,
{
args.for_each(|arg| self._args.push(arg.into()));
self
}
#[allow(dead_code)]
pub fn fork(&mut self, fork: bool) -> &mut Self {
self._fork = fork;
self
}
#[allow(dead_code)]
pub fn silent(&mut self, silent: bool) -> &mut Self {
self._silent = silent;
self
}
pub fn get_command(&self) -> &str {
self._command.as_str()
}
pub fn get_args(&self) -> &[String] {
&self._args
}
pub fn get_fork(&self) -> bool {
self._fork
}
pub fn get_silent(&self) -> bool {
self._silent
}
pub fn get_confirm_exit(&self) -> bool {
self._confirm_exit
}
pub fn get_pager(&self) -> bool {
self._pager
}
// TODO: Windows support
pub fn program_exists(&self) -> bool {
let program = self.get_command();
env::var_os("PATH")
.map(|path| env::split_paths(&path).any(|dir| dir.join(program).is_file()))
.unwrap_or(false)
}
}
impl std::default::Default for ProgramEntry {
fn default() -> Self {
Self {
_command: "".to_string(),
_args: Vec::new(),
_fork: false,
_silent: false,
_confirm_exit: false,
_pager: false,
}
}
}
impl std::fmt::Display for ProgramEntry {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(self.get_command()).unwrap();
self.get_args()
.iter()
.for_each(|arg| write!(f, " {}", arg).unwrap());
f.write_str(" ").unwrap();
if self.get_fork() {
f.write_str("[fork]").unwrap();
}
if self.get_silent() {
f.write_str("[silent]").unwrap();
}
if self.get_confirm_exit() {
f.write_str("[confirm-exit]").unwrap();
}
if self.get_pager() {
f.write_str("[pager]").unwrap();
}
f.write_str("")
}
}
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