Add TimeType::parse()

2 files changed, 15 insertions, 1 deletions

diff --git a/src/error.rs b/src/error.rs
index f9f1efc..653b368 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -9,7 +9,7 @@ error_chain! {
     }
 
     foreign_links {
-        NomError(::nom::IError);
+        NomError(::nom::simple_errors::Err);
     }
 
     errors {
@@ -59,6 +59,11 @@ error_chain! {
             display("Cannot compare Month to non-Moment TimeType: {:?}", tt_rep)
         }
 
+        UnknownParserError {
+            description("Unknown parser error")
+            display("Unknown parser error")
+        }
+
     }
 
 }
diff --git a/src/timetype.rs b/src/timetype.rs
index e8df4c8..8a33aa0 100644
--- a/src/timetype.rs
+++ b/src/timetype.rs
@@ -435,6 +435,15 @@ impl TimeType {
     pub fn calculate(self) -> Result<TimeType> {
         do_calculate(self)
     }
+
+    pub fn parse(s: &str) -> Result<TimeType> {
+        use parser;
+        match parser::timetype(s.as_bytes()) {
+            ::nom::IResult::Done(_, o)    => Ok(o.into()),
+            ::nom::IResult::Error(e)      => Err(KE::from(e)),
+            ::nom::IResult::Incomplete(_) => Err(KEK::UnknownParserError.into()),
+        }
+    }
 }
 
 fn do_calculate(tt: TimeType) -> Result<TimeType> {