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|
use regex::Regex;
use std::sync::LazyLock;
static PACKAGE_NAME_RE: LazyLock<Regex> = LazyLock::new(|| {
Regex::new(r"^[a-z0-9]([_.\-]?[a-z0-9]+)*/[a-z0-9](([_.]|\-{1,2})?[a-z0-9]+)*$").unwrap()
});
static AUTHOR_RE: LazyLock<Regex> = LazyLock::new(|| {
Regex::new(r"^(?P<name>[- .,\pL\pN\pM''\x{201C}\x{201D}()]+)(?:\s+<(?P<email>.+?)>)?$").unwrap()
});
static AUTOLOAD_PATH_RE: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"^[^/][A-Za-z0-9\-_/]+/$").unwrap());
static CAMEL_SPLIT_RE: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"(?:([a-z])([A-Z])|([A-Z])([A-Z][a-z]))").unwrap());
static SANITIZE_EDGES_RE: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"^[_.\-]+|[_.\-]+$|[^a-z0-9_.\-]").unwrap());
static SANITIZE_REPEATS_RE: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"([_.\-]){2,}").unwrap());
static NON_ALNUM_RE: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"[^a-zA-Z0-9]").unwrap());
const VALID_STABILITIES: &[&str] = &["dev", "alpha", "beta", "rc", "stable"];
pub fn validate_package_name(name: &str) -> bool {
PACKAGE_NAME_RE.is_match(name)
}
pub struct ParsedAuthor {
pub name: String,
pub email: Option<String>,
}
pub fn parse_author(input: &str) -> Result<ParsedAuthor, String> {
if let Some(caps) = AUTHOR_RE.captures(input) {
let name = caps.name("name").unwrap().as_str().trim().to_string();
let email = caps.name("email").map(|m| m.as_str().to_string());
Ok(ParsedAuthor { name, email })
} else {
Err(
"Invalid author string. Must be in the formats: Jane Doe or John Smith <john@example.com>"
.to_string(),
)
}
}
pub fn validate_stability(s: &str) -> bool {
VALID_STABILITIES.contains(&s.to_lowercase().as_str())
}
pub fn validate_license(s: &str) -> bool {
mozart_spdx_licenses::spdx().validate(s)
}
pub fn validate_autoload_path(s: &str) -> bool {
AUTOLOAD_PATH_RE.is_match(s)
}
pub fn namespace_from_package_name(package_name: &str) -> Option<String> {
if package_name.is_empty() || !package_name.contains('/') {
return None;
}
let parts: Vec<String> = package_name
.split('/')
.map(|part| {
let replaced = NON_ALNUM_RE.replace_all(part, " ");
let words: Vec<String> = replaced
.split_whitespace()
.map(|w| {
let mut chars = w.chars();
match chars.next() {
Some(c) => c.to_uppercase().to_string() + &chars.collect::<String>(),
None => String::new(),
}
})
.collect();
words.join("")
})
.collect();
Some(parts.join("\\"))
}
pub fn sanitize_package_name_component(name: &str) -> String {
// CamelCase → kebab-case
let name = CAMEL_SPLIT_RE.replace_all(name, "${1}${3}-${2}${4}");
let name = name.to_lowercase();
// Remove leading/trailing separators and non-alnum chars
let name = SANITIZE_EDGES_RE.replace_all(&name, "");
// Collapse repeated separators
let name = SANITIZE_REPEATS_RE.replace_all(&name, "$1");
name.to_string()
}
pub fn parse_require_string(s: &str) -> Result<(String, String), String> {
// Formats: "foo/bar:^1.0", "foo/bar=^1.0", "foo/bar ^1.0"
let s = s.trim();
for sep in [':', '=', ' '] {
if let Some(pos) = s.find(sep) {
let name = s[..pos].trim();
let version = s[pos + sep.len_utf8()..].trim();
if !name.is_empty() && !version.is_empty() {
return Ok((name.to_string(), version.to_string()));
}
}
}
Err(format!(
"Could not parse requirement \"{s}\". Expected format: vendor/package:version"
))
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_valid_package_names() {
assert!(validate_package_name("vendor/package"));
assert!(validate_package_name("my-vendor/my-package"));
assert!(validate_package_name("vendor/pkg123"));
assert!(validate_package_name("a/b"));
assert!(validate_package_name("vendor/my_package"));
assert!(validate_package_name("vendor/my.package"));
assert!(validate_package_name("vendor/my--package"));
}
#[test]
fn test_invalid_package_names() {
assert!(!validate_package_name("novendor"));
assert!(!validate_package_name("/package"));
assert!(!validate_package_name("vendor/"));
assert!(!validate_package_name("Vendor/Package"));
assert!(!validate_package_name("vendor/pack age"));
assert!(!validate_package_name(""));
}
#[test]
fn test_parse_author_name_and_email() {
let a = parse_author("John Smith <john@example.com>").unwrap();
assert_eq!(a.name, "John Smith");
assert_eq!(a.email.as_deref(), Some("john@example.com"));
}
#[test]
fn test_parse_author_name_only() {
let a = parse_author("Jane Doe").unwrap();
assert_eq!(a.name, "Jane Doe");
assert!(a.email.is_none());
}
#[test]
fn test_parse_author_invalid() {
assert!(parse_author("").is_err());
}
#[test]
fn test_validate_stability() {
assert!(validate_stability("dev"));
assert!(validate_stability("alpha"));
assert!(validate_stability("beta"));
assert!(validate_stability("rc"));
assert!(validate_stability("stable"));
assert!(validate_stability("Dev"));
assert!(validate_stability("STABLE"));
assert!(!validate_stability("invalid"));
assert!(!validate_stability(""));
}
#[test]
fn test_validate_autoload_path() {
assert!(validate_autoload_path("src/"));
assert!(validate_autoload_path("lib/src/"));
assert!(!validate_autoload_path("/src/"));
assert!(!validate_autoload_path("src"));
assert!(!validate_autoload_path(""));
}
#[test]
fn test_namespace_from_package_name() {
assert_eq!(
namespace_from_package_name("acme/my-pkg"),
Some("Acme\\MyPkg".to_string())
);
assert_eq!(
namespace_from_package_name("new_projects.acme-extra/package-name"),
Some("NewProjectsAcmeExtra\\PackageName".to_string())
);
assert_eq!(namespace_from_package_name(""), None);
assert_eq!(namespace_from_package_name("novendor"), None);
}
#[test]
fn test_sanitize_package_name_component() {
assert_eq!(sanitize_package_name_component("MyPackage"), "my-package");
assert_eq!(
sanitize_package_name_component("CamelCaseTest"),
"camel-case-test"
);
assert_eq!(sanitize_package_name_component("already-ok"), "already-ok");
assert_eq!(sanitize_package_name_component("__bad__"), "bad");
}
#[test]
fn test_parse_require_string() {
let (name, ver) = parse_require_string("foo/bar:^1.0").unwrap();
assert_eq!(name, "foo/bar");
assert_eq!(ver, "^1.0");
let (name, ver) = parse_require_string("foo/bar=^1.0").unwrap();
assert_eq!(name, "foo/bar");
assert_eq!(ver, "^1.0");
let (name, ver) = parse_require_string("foo/bar ^1.0").unwrap();
assert_eq!(name, "foo/bar");
assert_eq!(ver, "^1.0");
assert!(parse_require_string("invalid").is_err());
}
}
|
