refactor: jack proto-lib

src/jack/ports.rs

@@ -0,0 +1,98 @@
+use super::*;
+
+#[derive(Default)]
+pub struct JackPorts {
+    pub audio_ins:  BTreeMap<String, Port<AudioIn>>,
+    pub midi_ins:   BTreeMap<String, Port<MidiIn>>,
+    pub audio_outs: BTreeMap<String, Port<AudioOut>>,
+    pub midi_outs:  BTreeMap<String, Port<MidiOut>>,
+}
+
+#[derive(Default)]
+pub struct UnownedJackPorts {
+    pub audio_ins:  BTreeMap<String, Port<::jack::Unowned>>,
+    pub midi_ins:   BTreeMap<String, Port<::jack::Unowned>>,
+    pub audio_outs: BTreeMap<String, Port<::jack::Unowned>>,
+    pub midi_outs:  BTreeMap<String, Port<::jack::Unowned>>,
+}
+
+impl JackPorts {
+    pub fn clone_unowned (&self, client: &Client) -> UnownedJackPorts {
+        let mut unowned = UnownedJackPorts::default();
+        for (name, port) in self.midi_ins.iter() {
+            unowned.midi_ins.insert(name.clone(), unsafe {
+                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&Arc::default()))
+            });
+        }
+        for (name, port) in self.midi_outs.iter() {
+            unowned.midi_outs.insert(name.clone(), unsafe {
+                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&Arc::default()))
+            });
+        }
+        for (name, port) in self.audio_ins.iter() {
+            unowned.audio_ins.insert(name.clone(), unsafe {
+                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&Arc::default()))
+            });
+        }
+        for (name, port) in self.audio_outs.iter() {
+            unowned.audio_outs.insert(name.clone(), unsafe {
+                Port::from_raw(::jack::Unowned, client.raw(), port.raw(), Arc::downgrade(&Arc::default()))
+            });
+        }
+        unowned
+    }
+}
+
+/// Trait for things that may expose JACK ports.
+pub trait Ports {
+    fn audio_ins  <'a> (&'a self) -> Usually<Vec<&'a Port<Unowned>>> {
+        Ok(vec![])
+    }
+    fn audio_outs <'a> (&'a self) -> Usually<Vec<&'a Port<Unowned>>> {
+        Ok(vec![])
+    }
+    fn midi_ins  <'a> (&'a self) -> Usually<Vec<&'a Port<Unowned>>> {
+        Ok(vec![])
+    }
+    fn midi_outs <'a> (&'a self) -> Usually<Vec<&'a Port<Unowned>>> {
+        Ok(vec![])
+    }
+}
+
+#[macro_export] macro_rules! ports {
+    ($T:ty $({ $(audio: {
+        $(ins:  |$ai_arg:ident|$ai_impl:expr,)?
+        $(outs: |$ao_arg:ident|$ao_impl:expr,)?
+    })? $(midi: {
+        $(ins:  |$mi_arg:ident|$mi_impl:expr,)?
+        $(outs: |$mo_arg:ident|$mo_impl:expr,)?
+    })?})?) => {
+        impl Ports for $T {$(
+            $(
+                $(fn audio_ins <'a> (&'a self) -> Usually<Vec<&'a Port<Unowned>>> {
+                    let cb = |$ai_arg:&'a Self|$ai_impl;
+                    cb(self)
+                })?
+            )?
+            $(
+                $(fn audio_outs <'a> (&'a self) -> Usually<Vec<&'a Port<Unowned>>> {
+                    let cb = (|$ao_arg:&'a Self|$ao_impl);
+                    cb(self)
+                })?
+            )?
+        )? $(
+            $(
+                $(fn midi_ins <'a> (&'a self) -> Usually<Vec<&'a Port<Unowned>>> {
+                    let cb = (|$mi_arg:&'a Self|$mi_impl);
+                    cb(self)
+                })?
+            )?
+            $(
+                $(fn midi_outs <'a> (&'a self) -> Usually<Vec<&'a Port<Unowned>>> {
+                    let cb = (|$mo_arg:&'a Self|$mo_impl);
+                    cb(self)
+                })?
+            )?
+        )?}
+    };
+}