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-rw-r--r--helix-view/src/document.rs27
1 files changed, 26 insertions, 1 deletions
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index a1c4b407..254e01b0 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -1,7 +1,9 @@
-use anyhow::{Context, Error};
+use anyhow::{anyhow, Context, Error};
use std::cell::Cell;
+use std::fmt::Display;
use std::future::Future;
use std::path::{Component, Path, PathBuf};
+use std::str::FromStr;
use std::sync::Arc;
use helix_core::{
@@ -86,6 +88,29 @@ impl fmt::Debug for Document {
}
}
+impl Display for Mode {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ match self {
+ Mode::Normal => f.write_str("normal"),
+ Mode::Select => f.write_str("select"),
+ Mode::Insert => f.write_str("insert"),
+ }
+ }
+}
+
+impl FromStr for Mode {
+ type Err = Error;
+
+ fn from_str(s: &str) -> Result<Self, Self::Err> {
+ match s {
+ "normal" => Ok(Mode::Normal),
+ "select" => Ok(Mode::Select),
+ "insert" => Ok(Mode::Insert),
+ _ => Err(anyhow!("Invalid mode '{}'", s)),
+ }
+ }
+}
+
/// Like std::mem::replace() except it allows the replacement value to be mapped from the
/// original value.
fn take_with<T, F>(mut_ref: &mut T, closure: F)