support tilde for home dir in fs path

Cargo.toml

@@ -11,6 +11,7 @@ crate-type = ["lib", "cdylib"]
 [dependencies]
 anyhow = { version = "1", features = ["backtrace"] }
 clap = { version = "4.4", features = ["suggestions", "derive"] }
+dirs = "5.0"
 indexmap = "2.1"
 linkme = "0.3"
 nom = "7.1"

hial.h

@@ -5,6 +5,8 @@
 
 #include <stdint.h>
 
+#define DISPLAY_BYTES_VALUE_LEN 72
+
 extern Language tree_sitter_javascript(void);
 
 extern Language tree_sitter_rust(void);

src/interpretations/fs.rs

@@ -1,5 +1,5 @@
 use std::{
-    borrow::Borrow,
+    borrow::{Borrow, Cow},
     cell::OnceCell,
     cmp::Ordering,
     ffi::OsString,
@@ -246,16 +246,27 @@ impl Cell {
     pub(crate) fn from_cell(cell: Xell, _: &str, params: &ElevateParams) -> Res<Xell> {
         let r = cell.read();
         let path = r.as_file_path()?;
-        let file_cell = Self::make_file_cell(path)?;
+        let path = Self::shell_tilde(path);
+        let file_cell = Self::make_file_cell(path.as_ref())?;
         Ok(Xell::new_from(DynCell::from(file_cell), Some(cell)))
     }
 
     pub(crate) fn from_str_path(path: impl Borrow<str>) -> Res<Xell> {
         let path = Path::new(path.borrow());
-        let file_cell = Self::make_file_cell(path)?;
+        let path = Self::shell_tilde(path);
+        let file_cell = Self::make_file_cell(path.as_ref())?;
         Ok(Xell::new_from(DynCell::from(file_cell), None))
     }
 
+    fn shell_tilde(path: &Path) -> Cow<Path> {
+        if path.starts_with("~") {
+            let home = dirs::home_dir().unwrap_or_default();
+            home.join(path.strip_prefix("~").unwrap_or(path)).into()
+        } else {
+            path.to_path_buf().into()
+        }
+    }
+
     fn make_file_cell(path: &Path) -> Res<Cell> {
         let indexmap = [read_file(path)]
             .into_iter()

src/search/parse.rs

@@ -61,7 +61,7 @@ fn path_start_file(input: &str) -> NomRes<&str, PathStart> {
     context(
         "path_start_file",
         tuple((
-            alt((tag("/"), tag("."))),
+            alt((tag("/"), tag("."), tag("~"))),
             many0(terminated(path_code_points, tag("/"))),
             opt(path_code_points),
         )),

src/tests/fs.rs

@@ -9,6 +9,14 @@ fn test_files() -> Res<()> {
     Ok(())
 }
 
+#[test]
+fn test_file_path_tilde() -> Res<()> {
+    crate::utils::log::set_verbose(true);
+    let home = Xell::from("~").be("path").be("fs");
+    assert!(home.sub().len()? > 0);
+    Ok(())
+}
+
 #[test]
 fn test_fs() -> Res<()> {
     crate::utils::log::set_verbose(true);