pedant_core/project/
cargo_meta.rs

1use std::collections::BTreeMap;
2
3use serde::Deserialize;
4
5/// The subset of `cargo metadata --format-version 1` output that
6/// `feature-boundary` needs. Unknown fields are ignored.
7#[derive(Debug, Clone, Default, Deserialize)]
8pub struct CargoMetadata {
9    /// Every package in the dependency graph.
10    #[serde(default)]
11    pub packages: Vec<CargoPackage>,
12    /// Package ids of the workspace members built by default.
13    #[serde(default)]
14    pub workspace_default_members: Vec<String>,
15    /// Package ids of all workspace members (fallback when
16    /// `workspace_default_members` is absent on older Cargo).
17    #[serde(default)]
18    pub workspace_members: Vec<String>,
19}
20
21/// A single resolved package.
22#[derive(Debug, Clone, Deserialize)]
23pub struct CargoPackage {
24    /// Crate name.
25    pub name: String,
26    /// Opaque package id, matched against the workspace-member lists.
27    pub id: String,
28    /// Feature definitions: feature name → the features/deps it enables.
29    #[serde(default)]
30    pub features: BTreeMap<String, Vec<String>>,
31    /// Declared dependencies.
32    #[serde(default)]
33    pub dependencies: Vec<CargoDependency>,
34}
35
36/// A dependency declaration on a package.
37#[derive(Debug, Clone, Deserialize)]
38pub struct CargoDependency {
39    /// The depended-on crate's name.
40    pub name: String,
41    /// `null`/absent for normal, `"dev"`, or `"build"`.
42    #[serde(default)]
43    pub kind: Option<String>,
44    /// Features requested on the dependency.
45    #[serde(default)]
46    pub features: Vec<String>,
47    /// Whether the dependency's default features are enabled (defaults to true).
48    #[serde(default = "default_uses_default_features")]
49    pub uses_default_features: bool,
50    /// Whether the dependency is optional.
51    #[serde(default)]
52    pub optional: bool,
53    /// The local alias when the dependency is renamed.
54    #[serde(default)]
55    pub rename: Option<String>,
56}
57
58impl CargoDependency {
59    /// The name this dependency is referred to by in feature strings
60    /// (the rename if present, else the crate name).
61    pub fn local_name(&self) -> &str {
62        self.rename.as_deref().unwrap_or(&self.name)
63    }
64}
65
66fn default_uses_default_features() -> bool {
67    true
68}
pedant_core/project/cargo_meta.rs

pedant_core/project/
cargo_meta.rs
