xact metadata searches get passed up to the entry

That is, if a metadata tag cannot be found in a transaction, look in the
parent entry to see if it was set there.  Transactions "inherit"
notational details from their entries.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/xact.h b/src/xact.h
index cb89b512..11bd289d 100644
--- a/src/xact.h
+++ b/src/xact.h
@@ -107,6 +107,14 @@ public:
     TRACE_DTOR(xact_t);
   }
 
+  virtual bool has_tag(const string& tag) const;
+  virtual bool has_tag(const mask_t& tag_mask,
+		       const optional<mask_t>& value_mask = none) const;
+
+  virtual optional<string> get_tag(const string& tag) const;
+  virtual optional<string> get_tag(const mask_t& tag_mask,
+				   const optional<mask_t>& value_mask = none) const;
+
   virtual date_t date() const;
   virtual optional<date_t> effective_date() const;