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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.
// rustpkg utilities having to do with local and remote paths
use core::path::Path;
use core::option::Some;
use core::{hash, str};
use core::rt::io::Writer;
use core::hash::Streaming;
/// Wrappers to prevent local and remote paths from getting confused
/// (These will go away after #6407)
pub struct RemotePath (Path);
pub struct LocalPath (Path);
// normalize should be the only way to construct a LocalPath
// (though this isn't enforced)
/// Replace all occurrences of '-' in the stem part of path with '_'
/// This is because we treat rust-foo-bar-quux and rust_foo_bar_quux
/// as the same name
pub fn normalize(p_: RemotePath) -> LocalPath {
let RemotePath(p) = p_;
match p.filestem() {
None => LocalPath(p),
Some(st) => {
let replaced = str::replace(st, "-", "_");
if replaced != st {
LocalPath(p.with_filestem(replaced))
}
else {
LocalPath(p)
}
}
}
}
pub fn write<W: Writer>(writer: &mut W, string: &str) {
let buffer = str::as_bytes_slice(string);
writer.write(buffer);
}
pub fn hash(data: ~str) -> ~str {
let hasher = &mut hash::default_state();
write(hasher, data);
hasher.result_str()
}
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