Merge pull request #182 from epage/cgen

Expose `{{  "now" | date "%Y" }}` for carg-generate

src/lib.rs

@@ -41,14 +41,14 @@ extern crate serde;
 extern crate serde_yaml;
 
 mod error;
-mod filters;
 mod parser;
-mod tags;
 mod template;
 mod value;
 
 pub mod compiler;
+pub mod filters;
 pub mod interpreter;
+pub mod tags;
 
 pub use error::Error;
 pub use parser::{Parser, ParserBuilder};

src/value/scalar.rs

@@ -237,11 +237,21 @@ mod friendly_date {
 }
 
 fn parse_date(s: &str) -> Option<Date> {
-    let formats = ["%d %B %Y %H:%M:%S %z", "%Y-%m-%d %H:%M:%S %z"];
-    formats
-        .iter()
-        .filter_map(|f| Date::parse_from_str(s, f).ok())
-        .next()
+    match s {
+        "now" | "today" => {
+            let now = chrono::offset::Utc::now();
+            let now = now.naive_utc();
+            let now = chrono::DateTime::from_utc(now, chrono::offset::FixedOffset::east(0));
+            Some(now)
+        }
+        _ => {
+            let formats = ["%d %B %Y %H:%M:%S %z", "%Y-%m-%d %H:%M:%S %z"];
+            formats
+                .iter()
+                .filter_map(|f| Date::parse_from_str(s, f).ok())
+                .next()
+        }
+    }
 }
 
 #[cfg(test)]
@@ -457,4 +467,24 @@ mod test {
         assert_eq!(empty, TRUE);
         assert!(empty.is_truthy());
     }
+
+    #[test]
+    fn parse_date_empty_is_bad() {
+        assert!(parse_date("").is_none());
+    }
+
+    #[test]
+    fn parse_date_bad() {
+        assert!(parse_date("aaaaa").is_none());
+    }
+
+    #[test]
+    fn parse_date_now() {
+        assert!(parse_date("now").is_some());
+    }
+
+    #[test]
+    fn parse_date_today() {
+        assert!(parse_date("today").is_some());
+    }
 }