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auto merge of #6807 : catamorphism/rust/rustpkg-extern-mod, r=catamor…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| // 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 extra::semver; | ||
| use core::prelude::*; | ||
| use core::result; | ||
|
|
||
| /// Placeholder | ||
| pub fn default_version() -> Version { ExactRevision(0.1) } | ||
|
|
||
| /// 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 | ||
| } | ||
|
|
||
| pub impl PkgId { | ||
| fn new(s: &str) -> PkgId { | ||
| use conditions::bad_pkg_id::cond; | ||
|
|
||
| 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)); | ||
| PkgId { | ||
| local_path: local_path, | ||
| remote_path: remote_path, | ||
| short_name: short_name, | ||
| version: default_version() | ||
| } | ||
| } | ||
|
|
||
| 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()) | ||
| } | ||
|
|
||
| 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()) | ||
| } | ||
| } | ||
|
|
||
| /// A version is either an exact revision, | ||
| /// or a semantic version | ||
| pub enum Version { | ||
| ExactRevision(float), | ||
| SemVersion(semver::Version) | ||
| } | ||
|
|
||
|
|
||
| impl Ord for Version { | ||
| fn lt(&self, other: &Version) -> bool { | ||
| match (self, other) { | ||
| (&ExactRevision(f1), &ExactRevision(f2)) => f1 < f2, | ||
| (&SemVersion(ref v1), &SemVersion(ref v2)) => v1 < v2, | ||
| _ => false // incomparable, really | ||
| } | ||
| } | ||
| fn le(&self, other: &Version) -> bool { | ||
| match (self, other) { | ||
| (&ExactRevision(f1), &ExactRevision(f2)) => f1 <= f2, | ||
| (&SemVersion(ref v1), &SemVersion(ref v2)) => v1 <= v2, | ||
| _ => false // incomparable, really | ||
| } | ||
| } | ||
| fn ge(&self, other: &Version) -> bool { | ||
| match (self, other) { | ||
| (&ExactRevision(f1), &ExactRevision(f2)) => f1 > f2, | ||
| (&SemVersion(ref v1), &SemVersion(ref v2)) => v1 > v2, | ||
| _ => false // incomparable, really | ||
| } | ||
| } | ||
| fn gt(&self, other: &Version) -> bool { | ||
| match (self, other) { | ||
| (&ExactRevision(f1), &ExactRevision(f2)) => f1 >= f2, | ||
| (&SemVersion(ref v1), &SemVersion(ref v2)) => v1 >= v2, | ||
| _ => false // incomparable, really | ||
| } | ||
| } | ||
|
|
||
| } | ||
|
|
||
| impl ToStr for Version { | ||
| fn to_str(&self) -> ~str { | ||
| match *self { | ||
| ExactRevision(ref n) => n.to_str(), | ||
| SemVersion(ref v) => v.to_str() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn parse_vers(vers: ~str) -> result::Result<semver::Version, ~str> { | ||
| match semver::parse(vers) { | ||
| Some(vers) => result::Ok(vers), | ||
| None => result::Err(~"could not parse version: invalid") | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| // 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); | ||
|
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|
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| // 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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