gecko-dev/third_party/rust/winreg/examples/installed_apps.rs

44 строки
1.2 KiB
Rust

// Copyright 2017, Igor Shaula
// Licensed under the MIT License <LICENSE or
// http://opensource.org/licenses/MIT>. This file
// may not be copied, modified, or distributed
// except according to those terms.
#[macro_use]
extern crate serde_derive;
extern crate winreg;
use winreg::enums::*;
use std::collections::HashMap;
use std::fmt;
#[allow(non_snake_case)]
#[derive(Debug, Serialize, Deserialize)]
struct InstalledApp {
DisplayName: Option<String>,
DisplayVersion: Option<String>,
UninstallString: Option<String>
}
macro_rules! str_from_opt {
($s:expr) => { $s.as_ref().map(|x| &**x).unwrap_or("") }
}
impl fmt::Display for InstalledApp {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}-{}",
str_from_opt!(self.DisplayName),
str_from_opt!(self.DisplayVersion))
}
}
fn main() {
let hklm = winreg::RegKey::predef(HKEY_LOCAL_MACHINE);
let uninstall_key = hklm.open_subkey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall")
.expect("key is missing");
let apps: HashMap<String, InstalledApp> = uninstall_key.decode().expect("deserialization failed");
for (_k, v) in &apps {
println!("{}", v);
}
}