Add EoT handling

src/reader/esc_parse/mod.rs

@@ -105,6 +105,10 @@ impl SequenceState {
             self.out_buf.push(InputChar::Backspace);
             Result::Ok(())
         }
+        else if chr == 0x04 {
+            self.out_buf.push(InputChar::EoT);
+            Result::Ok(())
+        }
         // Unrecognized
         else {
             Result::Err(AcceptError::Unimplemented(chr))

src/reader/mod.rs

@@ -1,6 +1,6 @@
 #![allow(unused)]
 
-use std::mem::MaybeUninit;
+use std::{io::Read, mem::MaybeUninit};
 
 use crate::reader::esc_parse::{InputChar, bell, hide_cursor, show_cursor};
 
@@ -24,7 +24,8 @@ pub enum InitTTYError {
 
 #[derive(Debug)]
 pub enum ReadError {
-    EscapeError(esc_parse::AcceptError)
+    EscapeError(esc_parse::AcceptError),
+    Exited,
 }
 
 #[derive(Debug)]
@@ -35,6 +36,7 @@ pub enum EditCommand {
     CursorBack,
     CursorForward,
     DeleteBack,
+    Exit,
 }
 
 macro_rules! edit_cmd {
@@ -145,6 +147,9 @@ impl ReaderState {
                         if chr == InputChar::Backspace {
                             return edit_cmd!(DeleteBack);
                         }
+                        if chr == InputChar::EoT {
+                            return edit_cmd!(Exit);
+                        }
                     }
                 }
             }
@@ -197,7 +202,8 @@ impl ReaderState {
                 },
                 HistoryNext => {
                     self.history_front();
-                }
+                },
+                Exit => return Err(ReadError::Exited)
             }
         }
     }