TDB2 - id <--> uuid mapping

- Migrated TDB mapping over to TDB2 mapping, which occurs at the TF2 level.
  This should (soon) restore task dependencies.

src/TDB2.cpp

@@ -254,6 +254,15 @@ void TF2::load_tasks ()
 // TODO Find a way to number pending tasks, but not others.
 //      task.id = _id++;
       _tasks.push_back (task);
+
+      // Maintain mapping for ease of link/dependency resolution.
+      // Note that this mapping is not restricted by the filter, and is
+      // therefore a complete set.
+      if (task.id)
+      {
+        _I2U[task.id] = task.get ("uuid");
+        _U2I[task.get ("uuid")] = task.id;
+      }
     }
 
     _loaded_tasks = true;
@@ -306,6 +315,32 @@ void TF2::load_contents ()
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+std::string TF2::uuid (int id)
+{
+  if (! _loaded_tasks)
+    load_tasks ();
+
+  std::map <int, std::string>::const_iterator i;
+  if ((i = _I2U.find (id)) != _I2U.end ())
+    return i->second;
+
+  return "";
+}
+
+////////////////////////////////////////////////////////////////////////////////
+int TF2::id (const std::string& uuid)
+{
+  if (! _loaded_tasks)
+    load_tasks ();
+
+  std::map <std::string, int>::const_iterator i;
+  if ((i = _U2I.find (uuid)) != _U2I.end ())
+    return i->second;
+
+  return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////
 
 
 

src/TDB2.h

@@ -59,6 +59,9 @@ public:
   void load_lines ();
   void load_contents ();
 
+  std::string uuid (int);
+  int id (const std::string&);
+
 public:
   bool _read_only;
   bool _dirty;
@@ -72,6 +75,10 @@ public:
   std::vector <std::string> _added_lines;
   std::string _contents;
   File _file;
+
+private:
+  std::map <int, std::string> _I2U; // ID -> UUID map
+  std::map <std::string, int> _U2I; // UUID -> ID map
 };
 
 // TDB2 Class represents all the files in the task database.

src/Task.cpp

@@ -794,7 +794,7 @@ void Task::addDependency (int id)
     throw std::string (STRING_TASK_DEPEND_ITSELF);
 
   // Check for extant dependency.
-  std::string uuid = context.tdb.uuid (id);
+  std::string uuid = context.tdb2.pending.uuid (id);
   if (uuid == "")
     throw format (STRING_TASK_DEPEND_MISSING, id);
 
@@ -839,7 +839,7 @@ void Task::removeDependency (const std::string& uuid)
 ////////////////////////////////////////////////////////////////////////////////
 void Task::removeDependency (int id)
 {
-  std::string uuid = context.tdb.uuid (id);
+  std::string uuid = context.tdb2.pending.uuid (id);
   if (uuid != "")
     removeDependency (uuid);
   else
@@ -858,7 +858,7 @@ void Task::getDependencies (std::vector <int>& all) const
 
   std::vector <std::string>::iterator i;
   for (i = deps.begin (); i != deps.end (); ++i)
-    all.push_back (context.tdb.id (*i));
+    all.push_back (context.tdb2.pending.id (*i));
 }
 
 ////////////////////////////////////////////////////////////////////////////////