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
use anyhow::Context as _;
use super::Dependency;
use crate::util::toml_mut::dependency::RegistrySource;
use crate::util::validate_package_name;
use crate::CargoResult;
#[derive(Debug)]
pub struct CrateSpec {
name: String,
version_req: Option<String>,
}
impl CrateSpec {
pub fn resolve(pkg_id: &str) -> CargoResult<Self> {
let (name, version) = pkg_id
.split_once('@')
.map(|(n, v)| (n, Some(v)))
.unwrap_or((pkg_id, None));
validate_package_name(name, "dependency name", "")?;
if let Some(version) = version {
semver::VersionReq::parse(version)
.with_context(|| format!("invalid version requirement `{version}`"))?;
}
let id = Self {
name: name.to_owned(),
version_req: version.map(|s| s.to_owned()),
};
Ok(id)
}
pub fn to_dependency(&self) -> CargoResult<Dependency> {
let mut dep = Dependency::new(self.name());
if let Some(version_req) = self.version_req() {
dep = dep.set_source(RegistrySource::new(version_req));
}
Ok(dep)
}
pub fn name(&self) -> &str {
&self.name
}
pub fn version_req(&self) -> Option<&str> {
self.version_req.as_deref()
}
}