keys display in tree

1 files changed, 42 insertions, 0 deletions

diff --git a/src/commands.rs b/src/commands.rs
new file mode 100644
index 0000000..609f00d
--- /dev/null
+++ b/src/commands.rs
@@ -0,0 +1,42 @@
+
+use regex::Regex;
+
+#[derive(Debug)]
+pub struct Command {
+    pub raw: String,
+    pub finished: bool, // user hit <enter>
+    pub key: String,
+}
+
+impl Command {
+    pub fn new() -> Command {
+        Command {
+            raw: String::new(),
+            key: String::from(""),
+            finished: false,
+        }
+    }
+    // analyzes the raw command to fill key, verb
+    pub fn parse(&mut self) {
+        lazy_static! {
+            static ref RE: Regex = Regex::new(r"(?x)
+                ^
+                (?P<key>[0-1a-z]+)?
+                (?:\s+(?P<verb>\w+))?
+                $
+            ").unwrap();
+        }
+        match RE.captures(&self.raw) {
+            Some(c) => {
+                self.key = match c.name("key") {
+                    Some(key)   => String::from(key.as_str()),
+                    None        => String::from(""),
+                };
+            },
+            None    => {
+                self.key = String::from("");
+            }
+        }
+
+    }
+}