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// For #[derive(FromPrimitive)]
extern crate num;
#[macro_use]
extern crate num_derive;
#[macro_use]
extern crate nom;
extern crate flate2;
extern crate bzip2;
pub mod openpgp;
pub mod keys;
pub mod store;
pub mod net;
pub mod ffi;
pub mod armor;
use std::env;
use std::fs;
use std::io;
use std::path::{Path, PathBuf};
/// A `&Context` is required for many operations.
///
/// # Example
///
/// ```
/// let c = Context::new("org.example.webmail").finalize().unwrap();
/// ```
pub struct Context {
domain: String,
home: PathBuf,
lib: PathBuf,
}
fn prefix() -> PathBuf {
/* XXX: Windows support. */
PathBuf::from(option_env!("PREFIX").or(Some("/usr/local")).unwrap())
}
impl Context {
/// Creates a `Pre(Context)` with reasonable defaults.
///
/// `domain` should uniquely identify your application, it is
/// strongly suggested to use a reversed fully qualified domain
/// name that is associated with your application.
///
/// `Pre(Context)`s can be modified, and have to be finalized in
/// order to turn them into a Context.
pub fn new(domain: &str) -> Pre {
Pre(Context {
domain: String::from(domain),
home: env::home_dir().unwrap_or(env::temp_dir())
.join(".sequoia"),
lib: prefix().join("lib").join("sequoia"),
})
}
/// Return the directory containing backend servers.
pub fn domain(&self) -> &str {
&self.domain
}
/// Return the directory containing shared state and rendezvous
/// nodes.
pub fn home(&self) -> &Path {
&self.home
}
/// Return the directory containing backend servers.
pub fn lib(&self) -> &Path {
&self.lib
}
}
/// A `Pre(Context)` is a context object that can be modified.
pub struct Pre(Context);
impl Pre {
/// Finalize the configuration and return a `Context`.
pub fn finalize(self) -> io::Result<Context> {
let c = self.0;
fs::create_dir_all(c.home())?;
Ok(c)
}
/// Set the directory containing shared state and rendezvous
/// nodes.
pub fn home<P: AsRef<Path>>(mut self, new: P) -> Self {
self.0.home = PathBuf::new().join(new);
self
}
/// Set the directory containing backend servers.
pub fn lib<P: AsRef<Path>>(mut self, new: P) -> Self {
self.0.lib = PathBuf::new().join(new);
self
}
}
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