forked from rust-lang/cargo
-
Notifications
You must be signed in to change notification settings - Fork 2
/
package.rs
199 lines (165 loc) · 5.14 KB
/
package.rs
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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
use std::fmt::{mod, Show, Formatter};
use std::slice;
use semver::Version;
use core::{
Dependency,
Manifest,
PackageId,
Registry,
Target,
Summary,
};
use core::dependency::SerializedDependency;
use util::{CargoResult, graph};
use serialize::{Encoder,Encodable};
use core::source::{SourceId, Source};
/// Informations about a package that is available somewhere in the file system.
///
/// A package is a `Cargo.toml` file, plus all the files that are part of it.
// TODO: Is manifest_path a relic?
#[deriving(Clone)]
pub struct Package {
// The package's manifest
manifest: Manifest,
// The root of the package
manifest_path: Path,
// Where this package came from
source_id: SourceId,
}
#[deriving(Encodable)]
struct SerializedPackage {
name: String,
version: String,
dependencies: Vec<SerializedDependency>,
targets: Vec<Target>,
manifest_path: String,
}
impl<E, S: Encoder<E>> Encodable<S, E> for Package {
fn encode(&self, s: &mut S) -> Result<(), E> {
let manifest = self.get_manifest();
let summary = manifest.get_summary();
let package_id = summary.get_package_id();
SerializedPackage {
name: package_id.get_name().to_string(),
version: package_id.get_version().to_string(),
dependencies: summary.get_dependencies().iter().map(|d| {
SerializedDependency::from_dependency(d)
}).collect(),
targets: manifest.get_targets().to_vec(),
manifest_path: self.manifest_path.display().to_string()
}.encode(s)
}
}
impl Package {
pub fn new(manifest: Manifest,
manifest_path: &Path,
source_id: &SourceId) -> Package {
Package {
manifest: manifest,
manifest_path: manifest_path.clone(),
source_id: source_id.clone(),
}
}
pub fn get_manifest(&self) -> &Manifest {
&self.manifest
}
pub fn get_summary(&self) -> &Summary {
self.manifest.get_summary()
}
pub fn get_package_id(&self) -> &PackageId {
self.manifest.get_package_id()
}
pub fn get_name(&self) -> &str {
self.get_package_id().get_name()
}
pub fn get_version(&self) -> &Version {
self.get_package_id().get_version()
}
pub fn get_dependencies(&self) -> &[Dependency] {
self.get_manifest().get_dependencies()
}
pub fn get_targets(&self) -> &[Target] {
self.get_manifest().get_targets()
}
pub fn get_manifest_path(&self) -> &Path {
&self.manifest_path
}
pub fn get_root(&self) -> Path {
self.manifest_path.dir_path()
}
pub fn get_target_dir(&self) -> &Path {
self.manifest.get_target_dir()
}
pub fn get_absolute_target_dir(&self) -> Path {
self.get_root().join(self.get_target_dir())
}
pub fn has_custom_build(&self) -> bool {
self.get_targets().iter().any(|t| t.get_profile().is_custom_build())
}
}
impl Show for Package {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
write!(f, "{}", self.get_summary().get_package_id())
}
}
impl PartialEq for Package {
fn eq(&self, other: &Package) -> bool {
self.get_package_id() == other.get_package_id()
}
}
#[deriving(PartialEq,Clone,Show)]
pub struct PackageSet {
packages: Vec<Package>,
}
impl PackageSet {
pub fn new(packages: &[Package]) -> PackageSet {
//assert!(packages.len() > 0,
// "PackageSet must be created with at least one package")
PackageSet { packages: packages.to_vec() }
}
pub fn len(&self) -> uint {
self.packages.len()
}
pub fn pop(&mut self) -> Package {
self.packages.pop().expect("PackageSet.pop: empty set")
}
/// Get a package by name out of the set
pub fn get(&self, name: &str) -> &Package {
self.packages.iter().find(|pkg| name == pkg.get_name())
.expect("PackageSet.get: empty set")
}
pub fn get_all(&self, names: &[&str]) -> Vec<&Package> {
names.iter().map(|name| self.get(*name) ).collect()
}
pub fn get_packages(&self) -> &[Package] {
self.packages.as_slice()
}
// For now, assume that the package set contains only one package with a
// given name
pub fn sort(&self) -> Option<PackageSet> {
let mut graph = graph::Graph::new();
for pkg in self.packages.iter() {
let deps: Vec<&str> = pkg.get_dependencies().iter()
.map(|dep| dep.get_name())
.collect();
graph.add(pkg.get_name(), deps.as_slice());
}
let pkgs = some!(graph.sort()).iter().map(|name| {
self.get(*name).clone()
}).collect();
Some(PackageSet {
packages: pkgs
})
}
pub fn iter(&self) -> slice::Items<Package> {
self.packages.iter()
}
}
impl Registry for PackageSet {
fn query(&mut self, name: &Dependency) -> CargoResult<Vec<Summary>> {
Ok(self.packages.iter()
.filter(|pkg| name.get_name() == pkg.get_name())
.map(|pkg| pkg.get_summary().clone())
.collect())
}
}