From a749f3455678848e97208dd13fa2dcf64e4e28e5 Mon Sep 17 00:00:00 2001
From: Ben Bridle <ben@derelict.engineering>
Date: Wed, 21 May 2025 11:57:36 +1200
Subject: Initial commit

---
 src/template.rs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/template.rs

(limited to 'src/template.rs')

diff --git a/src/template.rs b/src/template.rs
new file mode 100644
index 0000000..67eaceb
--- /dev/null
+++ b/src/template.rs
@@ -0,0 +1,25 @@
+use fancy_regex::*;
+
+
+pub struct Template {
+    pub tag: String,
+    pub subtags: Vec<String>,
+    pub expression: Regex,
+}
+
+impl Template {
+    pub fn from_str(pattern: &str, tag: String) -> Self {
+        let pattern = format!("^(?:{pattern})");
+        let expression = Regex::new(&pattern).unwrap();
+
+        if let Some((head, tail)) = tag.split_once('(') {
+            if let Some(tail) = tail.strip_suffix(')') {
+                let tag = head.trim().to_string();
+                let subtags = tail.split(',').map(|t| t.trim().to_string()).collect();
+                return Self { tag, subtags, expression };
+            }
+        }
+        let subtags = Vec::new();
+        return Self { tag, subtags, expression };
+    }
+}
-- 
cgit v1.2.3-70-g09d2