Variant

- Can now convert type_string to type_date via legacy dateformat, provided
  that Context transmits the format.

src/Context.cpp

@@ -37,6 +37,7 @@
 #include <Directory.h>
 #include <File.h>
 #include <Eval.h>
+#include <Variant.h>
 #include <text.h>
 #include <util.h>
 #include <main.h>
@@ -639,6 +640,8 @@ void Context::staticInitialization ()
         var->substr (0, 12) == "urgency.uda.")
       Task::coefficients[*var] = config.getReal (*var);
   }
+
+  Variant::dateFormat = config.get ("dateformat");
 }
 
 ////////////////////////////////////////////////////////////////////////////////

src/Variant.cpp

@@ -31,10 +31,13 @@
 #include <stdlib.h>
 #include <Variant.h>
 #include <ISO8601.h>
+#include <Date.h>
 #include <Duration.h>
 #include <RX.h>
 #include <text.h>
 
+std::string Variant::dateFormat = "";
+
 ////////////////////////////////////////////////////////////////////////////////
 Variant::Variant ()
 : _type (type_unknown)
@@ -1590,6 +1593,12 @@ void Variant::cast (const enum type new_type)
         {
           _date = (time_t) iso;
         }
+        // Support legacy date formats.
+        else if (dateFormat != "")
+        {
+          Date d (_string, dateFormat);
+          _date = d.toEpoch ();
+        }
       }
       break;
     case type_duration:

src/Variant.h

@@ -33,6 +33,8 @@
 class Variant
 {
 public:
+  static std::string dateFormat;
+
   enum type {type_unknown, type_boolean, type_integer, type_real, type_string,
              type_date, type_duration};