input, dsl: cleanup

dsl/src/dsl_iter.rs

@@ -105,7 +105,7 @@ pub const fn peek_src <'a> (source: &'a str) -> Option<Token<'a>> {
                 }),
             _ => token.error(Unexpected(c))
         },
-        Str(s) => match c {
+        Str(_) => match c {
             '"' => return Some(token),
             _ => token.grow_str(),
         },

input/src/_input.rs

@@ -1,36 +0,0 @@
-use crate::*;
-use std::time::Duration;
-use std::thread::JoinHandle;
-
-/// Event source
-pub trait Input: Send + Sync + Sized {
-    /// Type of input event
-    type Event;
-    /// Result of handling input
-    type Handled; // TODO: make this an Option<Box dyn Command<Self>> containing the undo
-    /// Currently handled event
-    fn event (&self) -> &Self::Event;
-    /// Whether component should exit
-    fn is_done (&self) -> bool;
-    /// Mark component as done
-    fn done (&self);
-}
-
-/// Input thread entrypoint.
-pub trait InputRun<T> {
-    fn run_input (engine: T, state: Self, timer: Duration) -> JoinHandle<()>;
-}
-
-/// Handle input through a mutable reference.
-pub trait Handle<E: Input>: Send + Sync {
-    fn handle (&mut self, _input: &E) -> Perhaps<E::Handled> {
-        Ok(None)
-    }
-}
-
-/// Handle input through an immutable reference (e.g. [Arc<RwLock>] or [Arc<Mutex>])
-pub trait HandleRef<E: Input>: Send + Sync {
-    fn handle (&self, _input: &E) -> Perhaps<E::Handled> {
-        Ok(None)
-    }
-}

input/src/_input_event_map.rs

@@ -1,73 +0,0 @@
-use crate::*;
-
-pub struct EventMap<'a, S, I: PartialEq, C> {
-    pub bindings: &'a [(I, &'a dyn Fn(&S) -> Option<C>)],
-    pub fallback: Option<&'a dyn Fn(&S, &I) -> Option<C>>
-}
-
-impl<'a, S, I: PartialEq, C> EventMap<'a, S, I, C> {
-    pub fn handle (&self, state: &S, input: &I) -> Option<C> {
-        for (binding, handler) in self.bindings.iter() {
-            if input == binding {
-                return handler(state)
-            }
-        }
-        if let Some(fallback) = self.fallback {
-            fallback(state, input)
-        } else {
-            None
-        }
-    }
-}
-
-#[macro_export] macro_rules! keymap {
-    (
-        $(<$lt:lifetime>)? $KEYS:ident = |$state:ident: $State:ty, $input:ident: $Input:ty| $Command:ty
-        { $($key:expr => $handler:expr),* $(,)? } $(,)?
-    ) => {
-        pub const $KEYS: EventMap<'static, $State, $Input, $Command> = EventMap {
-            fallback: None,
-            bindings: &[ $(($key, &|$state|Some($handler)),)* ]
-        };
-        input_to_command!($(<$lt>)? $Command: |$state: $State, input: $Input|$KEYS.handle($state, input)?);
-    };
-    (
-        $(<$lt:lifetime>)? $KEYS:ident = |$state:ident: $State:ty, $input:ident: $Input:ty| $Command:ty
-        { $($key:expr => $handler:expr),* $(,)? }, $default:expr
-    ) => {
-        pub const $KEYS: EventMap<'static, $State, $Input, $Command> = EventMap {
-            fallback: Some(&|$state, $input|Some($default)),
-            bindings: &[ $(($key, &|$state|Some($handler)),)* ]
-        };
-        input_to_command!($(<$lt>)? $Command: |$state: $State, input: $Input|$KEYS.handle($state, input)?);
-    };
-}
-
-#[macro_export] macro_rules! input_to_command {
-    (<$($l:lifetime),+> $Command:ty: |$state:ident:$State:ty, $input:ident:$Input:ty| $handler:expr) => {
-        impl<$($l),+> InputToCommand<$Input, $State> for $Command {
-            fn input_to_command ($state: &$State, $input: &$Input) -> Option<Self> {
-                Some($handler)
-            }
-        }
-    };
-    ($Command:ty: |$state:ident:$State:ty, $input:ident:$Input:ty| $handler:expr) => {
-        impl InputToCommand<$Input, $State> for $Command {
-            fn input_to_command ($state: &$State, $input: &$Input) -> Option<Self> {
-                Some($handler)
-            }
-        }
-    }
-}
-
-pub trait InputToCommand<I, S>: Command<S> + Sized {
-    fn input_to_command (state: &S, input: &I) -> Option<Self>;
-    fn execute_with_state (state: &mut S, input: &I) -> Perhaps<bool> {
-        Ok(if let Some(command) = Self::input_to_command(state, input) {
-            let _undo = command.execute(state)?;
-            Some(true)
-        } else {
-            None
-        })
-    }
-}

input/src/input_macros.rs

@@ -1,5 +1,3 @@
-use crate::*;
-
 /** Implement `Command` for given `State` and `handler` */
 #[macro_export] macro_rules! command {
     ($(<$($l:lifetime),+>)?|$self:ident:$Command:ty,$state:ident:$State:ty|$handler:expr) => {