1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
use serde::Deserialize;
use anyhow::Result;
#[derive(Deserialize, Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
#[serde(transparent)]
pub struct PackageVersion(String);
impl From<String> for PackageVersion {
fn from(s: String) -> Self {
PackageVersion(s)
}
}
/// A type which can be used to express a package version constraint
// TODO: Remove allow(unused)
#[derive(Debug, Eq, PartialEq)]
#[allow(unused)]
pub enum PackageVersionConstraint {
Any,
Latest,
LowerAs(PackageVersion),
HigherAs(PackageVersion),
InRange(PackageVersion, PackageVersion),
Exact(PackageVersion),
}
impl PackageVersionConstraint {
pub fn matches(&self, v: &PackageVersion) -> Result<PackageVersionMatch> {
match self {
PackageVersionConstraint::Any => Ok(PackageVersionMatch::True),
PackageVersionConstraint::Latest => Ok(PackageVersionMatch::Undecided),
PackageVersionConstraint::LowerAs(_vers) => Ok(PackageVersionMatch::Undecided), // TODO: Fix implementation
PackageVersionConstraint::HigherAs(_vers) => Ok(PackageVersionMatch::Undecided), // TODO: Fix implementation
PackageVersionConstraint::InRange(_vers1, _vers2) => Ok(PackageVersionMatch::Undecided), // TODO: Fix implementation
PackageVersionConstraint::Exact(vers) => Ok(PackageVersionMatch::from(*v == *vers)),
}
}
}
#[derive(Debug, Clone, Copy, Eq, PartialEq)]
pub enum PackageVersionMatch {
True,
False,
Undecided,
}
impl PackageVersionMatch {
// TODO: Remove allow(unused)
#[allow(unused)]
pub fn is_true(&self) -> bool {
*self == PackageVersionMatch::True
}
pub fn is_false(&self) -> bool {
*self == PackageVersionMatch::False
}
// TODO: Remove allow(unused)
#[allow(unused)]
pub fn is_undecided(&self) -> bool {
*self == PackageVersionMatch::Undecided
}
}
impl From<bool> for PackageVersionMatch {
fn from(b: bool) -> Self {
if b {
PackageVersionMatch::True
} else {
PackageVersionMatch::False
}
}
}
|
