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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub use package_path::{RemotePath, LocalPath, normalize, hash};
use version::{try_getting_version, Version, NoVersion, split_version};
/// Path-fragment identifier of a package such as
/// 'github.com/graydon/test'; path must be a relative
/// path with >=1 component.
pub struct PkgId {
/// Remote path: for example, github.com/mozilla/quux-whatever
remote_path: RemotePath,
/// Local path: for example, /home/quux/github.com/mozilla/quux_whatever
/// Note that '-' normalizes to '_' when mapping a remote path
/// onto a local path
/// Also, this will change when we implement #6407, though we'll still
/// need to keep track of separate local and remote paths
local_path: LocalPath,
/// Short name. This is the local path's filestem, but we store it
/// redundantly so as to not call get() everywhere (filestem() returns an
/// option)
short_name: ~str,
version: Version
}
impl PkgId {
pub fn new(s: &str) -> PkgId {
use conditions::bad_pkg_id::cond;
let mut given_version = None;
// Did the user request a specific version?
let s = match split_version(s) {
Some((path, v)) => {
debug!("s = %s, path = %s, v = %s", s, path, v.to_str());
given_version = Some(v);
path
}
None => {
debug!("%s has no explicit version", s);
s
}
};
let p = Path(s);
if p.is_absolute {
return cond.raise((p, ~"absolute pkgid"));
}
if p.components.len() < 1 {
return cond.raise((p, ~"0-length pkgid"));
}
let remote_path = RemotePath(p);
let local_path = normalize(copy remote_path);
let short_name = (copy local_path).filestem().expect(fmt!("Strange path! %s", s));
let version = match given_version {
Some(v) => v,
None => match try_getting_version(&remote_path) {
Some(v) => v,
None => NoVersion
}
};
debug!("local_path = %s, remote_path = %s", local_path.to_str(), remote_path.to_str());
PkgId {
local_path: local_path,
remote_path: remote_path,
short_name: short_name,
version: version
}
}
pub fn hash(&self) -> ~str {
fmt!("%s-%s-%s", self.remote_path.to_str(),
hash(self.remote_path.to_str() + self.version.to_str()),
self.version.to_str())
}
pub fn short_name_with_version(&self) -> ~str {
fmt!("%s%s", self.short_name, self.version.to_str())
}
}
impl ToStr for PkgId {
fn to_str(&self) -> ~str {
// should probably use the filestem and not the whole path
fmt!("%s-%s", self.local_path.to_str(), self.version.to_str())
}
}
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