127 lines
3.9 KiB
Rust
127 lines
3.9 KiB
Rust
use super::{Context, Module, ModuleConfig};
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use crate::configs::swift::SwiftConfig;
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use crate::formatter::StringFormatter;
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use crate::formatter::VersionFormatter;
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/// Creates a module with the current Swift version
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pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
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let mut module = context.new_module("swift");
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let config: SwiftConfig = SwiftConfig::try_load(module.config);
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let is_swift_project = context
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.try_begin_scan()?
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.set_files(&config.detect_files)
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.set_folders(&config.detect_folders)
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.set_extensions(&config.detect_extensions)
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.is_match();
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if !is_swift_project {
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return None;
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}
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let parsed = StringFormatter::new(config.format).and_then(|formatter| {
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formatter
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.map_meta(|var, _| match var {
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"symbol" => Some(config.symbol),
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_ => None,
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})
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.map_style(|variable| match variable {
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"style" => Some(Ok(config.style)),
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_ => None,
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})
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.map(|variable| match variable {
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"version" => {
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let swift_version =
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parse_swift_version(&context.exec_cmd("swift", &["--version"])?.stdout)?;
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VersionFormatter::format_module_version(
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module.get_name(),
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&swift_version,
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config.version_format,
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)
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.map(Ok)
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}
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_ => None,
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})
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.parse(None, Some(context))
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});
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module.set_segments(match parsed {
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Ok(segments) => segments,
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Err(error) => {
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log::warn!("Error in module `swift`:\n{}", error);
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return None;
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}
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});
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Some(module)
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}
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fn parse_swift_version(swift_version: &str) -> Option<String> {
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// split into ["Apple", "Swift", "version", "5.2.2", ...] or
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// ["Swift", "version", "5.3-dev", ...]
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let mut split = swift_version.split_whitespace();
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let _ = split.position(|t| t == "version")?;
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// return "5.2.2" or "5.3-dev"
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let version = split.next()?;
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Some(version.to_string())
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}
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#[cfg(test)]
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mod tests {
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use super::parse_swift_version;
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use crate::test::ModuleRenderer;
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use nu_ansi_term::Color;
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use std::fs::File;
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use std::io;
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#[test]
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fn test_parse_swift_version() {
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let input = "Apple Swift version 5.2.2";
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assert_eq!(parse_swift_version(input), Some(String::from("5.2.2")));
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}
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#[test]
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fn test_parse_swift_version_without_org_name() {
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let input = "Swift version 5.3-dev (LLVM ..., Swift ...)";
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assert_eq!(parse_swift_version(input), Some(String::from("5.3-dev")));
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}
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#[test]
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fn folder_without_swift_files() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join("swift.txt"))?.sync_all()?;
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let actual = ModuleRenderer::new("swift").path(dir.path()).collect();
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let expected = None;
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assert_eq!(expected, actual);
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dir.close()
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}
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#[test]
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fn folder_with_package_file() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join("Package.swift"))?.sync_all()?;
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let actual = ModuleRenderer::new("swift").path(dir.path()).collect();
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let expected = Some(format!(
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"via {}",
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Color::Fixed(202).bold().paint("🐦 v5.2.2 ")
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));
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assert_eq!(expected, actual);
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dir.close()
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}
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#[test]
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fn folder_with_swift_file() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join("main.swift"))?.sync_all()?;
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let actual = ModuleRenderer::new("swift").path(dir.path()).collect();
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let expected = Some(format!(
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"via {}",
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Color::Fixed(202).bold().paint("🐦 v5.2.2 ")
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));
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assert_eq!(expected, actual);
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dir.close()
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}
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}
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