focus dir in new panel with tab

The new panels feature is still a work in progress.

With this commit also comes the start of a big verb refactoring.

1 files changed, 43 insertions, 0 deletions

diff --git a/src/verb/verb_execution.rs b/src/verb/verb_execution.rs
new file mode 100644
index 0000000..928fd75
--- /dev/null
+++ b/src/verb/verb_execution.rs
@@ -0,0 +1,43 @@
+
+use {
+    crate::{
+        errors::ConfError,
+    },
+    super::{
+        Internal,
+    },
+};
+
+/// how a verb must be executed, as described in the configuration
+#[derive(Debug, Clone)]
+pub enum VerbExecution {
+
+    /// the verb execution is an internal or refers to another verb.
+    /// Executions in conf starting with ":" are of this type.
+    Internal {
+        internal: Internal,
+        bang: bool,
+    },
+
+    /// the verb execution refers to a command that will be executed by the system
+    External(String),
+}
+
+impl VerbExecution {
+    pub fn try_from(mut s: &str) -> Result<Self, ConfError> {
+        Ok(
+            if s.starts_with(':') || s.starts_with(' ') {
+                s = &s[1..];
+                let mut bang = false;
+                if s.starts_with('!') {
+                    bang = true;
+                    s = &s[1..];
+                }
+                let internal = Internal::try_from(s)?;
+                Self::Internal{ internal, bang }
+            } else {
+                Self::External(s.to_string())
+            }
+        )
+    }
+}