bendns' repos / helix
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'helix-view/src/args.rs')
-rw-r--r--helix-view/src/args.rs36
1 files changed, 36 insertions, 0 deletions
diff --git a/helix-view/src/args.rs b/helix-view/src/args.rs
new file mode 100644
index 00000000..4a69e12d
--- /dev/null
+++ b/helix-view/src/args.rs
@@ -0,0 +1,36 @@
+use helix_core::Position;
+use std::path::{Path, PathBuf};
+
+/// Parse arg into [`PathBuf`] and position.
+pub fn parse_file(s: &str) -> (PathBuf, Position) {
+ let def = || (PathBuf::from(s), Position::default());
+ if Path::new(s).exists() {
+ return def();
+ }
+ split_path_row_col(s)
+ .or_else(|| split_path_row(s))
+ .unwrap_or_else(def)
+}
+
+/// Split file.rs:10:2 into [`PathBuf`], row and col.
+///
+/// Does not validate if file.rs is a file or directory.
+fn split_path_row_col(s: &str) -> Option<(PathBuf, Position)> {
+ let mut s = s.rsplitn(3, ':');
+ let col: usize = s.next()?.parse().ok()?;
+ let row: usize = s.next()?.parse().ok()?;
+ let path = s.next()?.into();
+ let pos = Position::new(row.saturating_sub(1), col.saturating_sub(1));
+ Some((path, pos))
+}
+
+/// Split file.rs:10 into [`PathBuf`] and row.
+///
+/// Does not validate if file.rs is a file or directory.
+fn split_path_row(s: &str) -> Option<(PathBuf, Position)> {
+ let (path, row) = s.rsplit_once(':')?;
+ let row: usize = row.parse().ok()?;
+ let path = path.into();
+ let pos = Position::new(row.saturating_sub(1), 0);
+ Some((path, pos))
+}