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
|
//
// Copyright (c) 2020-2021 science+computing ag and other contributors
//
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
use std::convert::TryFrom;
use anyhow::anyhow;
use anyhow::Result;
use lazy_static::lazy_static;
use regex::Regex;
use crate::package::PackageName;
use crate::package::PackageVersionConstraint;
mod build;
pub use build::*;
mod runtime;
pub use runtime::*;
pub(self) mod condition;
pub trait StringEqual {
fn str_equal(&self, s: &str) -> bool;
}
pub trait ParseDependency {
fn parse_as_name_and_version(&self) -> Result<(PackageName, PackageVersionConstraint)>;
}
lazy_static! {
pub(in crate::package::dependency) static ref DEPENDENCY_PARSING_RE: Regex =
Regex::new("^(?P<name>[[:alpha:]]([[[:alnum:]]\\.\\-_])*) (?P<version>([\\*=><])?[[:alnum:]]([[[:alnum:]][[:punct:]]])*)$").unwrap();
}
/// Helper function for the actual implementation of the ParseDependency trait.
///
/// TODO: Reimplement using pom crate
pub(in crate::package::dependency) fn parse_package_dependency_string_into_name_and_version(
s: &str,
) -> Result<(PackageName, PackageVersionConstraint)> {
let caps = crate::package::dependency::DEPENDENCY_PARSING_RE
.captures(s)
.ok_or_else(|| {
anyhow!(
"Could not parse into package name and package version constraint: '{}'",
s
)
})?;
let name = caps
.name("name")
.map(|m| String::from(m.as_str()))
.ok_or_else(|| anyhow!("Could not parse name: '{}'", s))?;
let vers = caps
.name("version")
.map(|m| String::from(m.as_str()))
.ok_or_else(|| anyhow!("Could not parse version: '{}'", s))?;
let v = PackageVersionConstraint::try_from(vers)?;
Ok((PackageName::from(name), v))
}
#[cfg(test)]
mod tests {
use super::*;
use crate::package::PackageName;
use crate::package::PackageVersion;
//
// helper functions
//
fn name(s: &'static str) -> PackageName {
PackageName::from(String::from(s))
}
fn exact(s: &'static str) -> PackageVersion {
PackageVersion::from(String::from(s))
}
//
// tests
//
#[test]
fn test_dependency_conversion_1() {
let s = "vim =8.2";
let d = Dependency::from(String::from(s));
let (n, c) = d.parse_as_name_and_version().unwrap();
assert_eq!(n, name("vim"));
assert_eq!(
c,
PackageVersionConstraint::from_version(String::from("="), exact("8.2"))
);
}
#[test]
fn test_dependency_conversion_2() {
let s = "gtk15 =1b";
let d = Dependency::from(String::from(s));
let (n, c) = d.parse_as_name_and_version().unwrap();
assert_eq!(n, name("gtk15"));
assert_eq!(
c,
PackageVersionConstraint::from_version(String::from("="), exact("1b"))
);
}
#[test]
fn test_dependency_string_with_punctuation() {
let s = "foo-bar1.2.3 =0.123";
let d = Dependency::from(String::from(s));
let (n, c) = d.parse_as_name_and_version().unwrap();
assert_eq!(n, name("foo-bar1.2.3"));
assert_eq!(
c,
PackageVersionConstraint::from_version(String::from("="), exact("0.123"))
);
}
}
|
