Add remove command.

src/parser.rs

@@ -14,6 +14,7 @@ peg::parser! {
             / error_cmd()
             / ls_cmd()
             / mv_cmd()
+            / rm_cmd()
             / comment_cmd()
         ) { c }
 
@@ -65,6 +66,7 @@ peg::parser! {
         rule add_cmd() -> Command<'input> = "a" _ name:name() { Command::Add(Rc::new(RefCell::new(name))) }
         rule error_cmd() -> Command<'input> = "error" _ e:$(([' '..='~'])+) { Command::Error(LKErr::Error(e)) }
         rule mv_cmd() -> Command<'input> = "m" _ name:word() _ folder:word() { Command::Mv(name, folder) }
+        rule rm_cmd() -> Command<'input> = "r" _ name:word() { Command::Rm(name) }
         rule comment_cmd() -> Command<'input> = "c" _ name:word() c:comment()? { Command::Comment(name, c) }
     }
 }

src/repl.rs

@@ -105,7 +105,11 @@ impl<'a> LKEval<'a> {
                     }
                 }
                 None => out.push("error: password not found".to_string()),
-            },
+            }
+            Command::Rm(name) => match self.state.borrow_mut().db.remove(name) {
+                Some(pwd) => out.push(format!("removed {}", pwd.borrow().name)),
+                None => out.push("error: password not found".to_string()),
+            }
             Command::Help => {
                 out.push("HELP".to_string());
             }
@@ -131,7 +135,7 @@ impl<'a> LKEval<'a> {
                 LKErr::ParseError(e) => out.push(e.to_string()),
                 LKErr::ReadError(e) => out.push(e.to_string()),
                 LKErr::Error(e) => out.push(format!("error: {}", e.to_string())),
-            },
+            }
         }
 
         LKPrint::new(out, quit, self.state.clone())

src/structs.rs

@@ -15,6 +15,7 @@ pub enum Command<'a> {
     Add(PasswordRef),
     Ls,
     Mv(Name, Name),
+    Rm(Name),
     Comment(Name, Comment),
     Error(LKErr<'a>),
     Help,