1 files changed, 82 insertions, 0 deletions
diff --git a/src/app/ids.rs b/src/app/ids.rs
new file mode 100644
index 00000000..490e6051
--- /dev/null
+++ b/src/app/ids.rs
@@ -0,0 +1,82 @@
+use super::App;
+
+impl App {
+    pub(super) fn find_pane(
+        &self,
+        pane_id: crate::layout::PaneId,
+    ) -> Option<(usize, &crate::pane::PaneState)> {
+        self.state
+            .workspaces
+            .iter()
+            .enumerate()
+            .find_map(|(ws_idx, ws)| ws.pane_state(pane_id).map(|pane| (ws_idx, pane)))
+    }
+
+    pub(super) fn public_workspace_id(&self, ws_idx: usize) -> String {
+        self.state.workspaces[ws_idx].id.clone()
+    }
+
+    pub(super) fn public_tab_id(&self, ws_idx: usize, tab_idx: usize) -> Option<String> {
+        let ws = self.state.workspaces.get(ws_idx)?;
+        ws.tabs.get(tab_idx)?;
+        Some(format!("{}:{}", ws.id, tab_idx + 1))
+    }
+
+    pub(super) fn public_pane_id(
+        &self,
+        ws_idx: usize,
+        pane_id: crate::layout::PaneId,
+    ) -> Option<String> {
+        let ws = self.state.workspaces.get(ws_idx)?;
+        let pane_number = ws.public_pane_number(pane_id)?;
+        Some(format!("{}-{pane_number}", ws.id))
+    }
+
+    pub(super) fn parse_workspace_id(&self, id: &str) -> Option<usize> {
+        self.state
+            .workspaces
+            .iter()
+            .position(|workspace| workspace.id == id)
+            .or_else(|| id.strip_prefix("w_")?.parse::<usize>().ok()?.checked_sub(1))
+            .or_else(|| id.parse::<usize>().ok()?.checked_sub(1))
+    }
+
+    pub(super) fn parse_tab_id(&self, id: &str) -> Option<(usize, usize)> {
+        if let Some(rest) = id.strip_prefix("t_") {
+            let (ws_raw, tab_raw) = rest.rsplit_once('_')?;
+            let ws_idx = self.parse_workspace_id(ws_raw)?;
+            let tab_idx = tab_raw.parse::<usize>().ok()?.checked_sub(1)?;
+            self.state.workspaces.get(ws_idx)?.tabs.get(tab_idx)?;
+            return Some((ws_idx, tab_idx));
+        }
+
+        let (ws_raw, tab_raw) = id.rsplit_once(':')?;
+        let ws_idx = self.parse_workspace_id(ws_raw)?;
+        let tab_idx = tab_raw.parse::<usize>().ok()?.checked_sub(1)?;
+        self.state.workspaces.get(ws_idx)?.tabs.get(tab_idx)?;
+        Some((ws_idx, tab_idx))
+    }
+
+    pub(super) fn parse_pane_id(&self, id: &str) -> Option<(usize, crate::layout::PaneId)> {
+        if let Some(rest) = id.strip_prefix("p_") {
+            if let Some((ws_raw, pane_raw)) = rest.rsplit_once('_') {
+                let ws_idx = self.parse_workspace_id(ws_raw)?;
+                let pane_id = crate::layout::PaneId::from_raw(pane_raw.parse::<u32>().ok()?);
+                return Some((ws_idx, pane_id));
+            }
+
+            let pane_id = crate::layout::PaneId::from_raw(rest.parse::<u32>().ok()?);
+            return self.find_pane(pane_id).map(|(ws_idx, _)| (ws_idx, pane_id));
+        }
+
+        let (ws_raw, pane_number_raw) = id.rsplit_once('-')?;
+        let ws_idx = self.parse_workspace_id(ws_raw)?;
+        let pane_number = pane_number_raw.parse::<usize>().ok()?;
+        let ws = self.state.workspaces.get(ws_idx)?;
+        let pane_id = ws
+            .public_pane_numbers
+            .iter()
+            .find_map(|(pane_id, number)| (*number == pane_number).then_some(*pane_id))?;
+        Some((ws_idx, pane_id))
+    }
+}