Enhancement - Hooks

- Implemented pre-debug, post-debug.
- Implemented pre-header, post-header.
- Implemented pre-output, post-output.
- Implemented pre-footnote, post-footnote.
- Implemented pre-gc, post-gc.
- Implemented pre-undo, post-undo.
- Implemented pre-add-command, post-add-command.

src/Context.cpp

@@ -159,29 +159,37 @@ int Context::run ()
   }
 
   // Dump all debug messages.
+  hooks.trigger ("pre-debug");
   if (config.getBoolean ("debug"))
     foreach (d, debugMessages)
       if (config.getBoolean ("color") || config.getBoolean ("_forcecolor"))
         std::cout << colorizeDebug (*d) << std::endl;
       else
         std::cout << *d << std::endl;
+  hooks.trigger ("post-debug");
 
   // Dump all headers.
+  hooks.trigger ("pre-header");
   foreach (h, headers)
     if (config.getBoolean ("color") || config.getBoolean ("_forcecolor"))
       std::cout << colorizeHeader (*h) << std::endl;
     else
       std::cout << *h << std::endl;
+  hooks.trigger ("post-header");
 
   // Dump the report output.
+  hooks.trigger ("pre-output");
   std::cout << output;
+  hooks.trigger ("post-output");
 
   // Dump all footnotes.
+  hooks.trigger ("pre-footnote");
   foreach (f, footnotes)
     if (config.getBoolean ("color") || config.getBoolean ("_forcecolor"))
       std::cout << colorizeFootnote (*f) << std::endl;
     else
       std::cout << *f << std::endl;
+  hooks.trigger ("post-footnote");
 
   hooks.trigger ("pre-exit");
   return rc;

src/Hooks.cpp

@@ -129,7 +129,14 @@ bool Hooks::eventType (const std::string& event, std::string& type)
 {
   if (event == "post-start"      ||
       event == "pre-exit"        ||
-      event == "pre-dispatch" || event == "post-dispatch")
+      event == "pre-debug"       || event == "post-debug"       ||
+      event == "pre-header"      || event == "post-header"      ||
+      event == "pre-footnote"    || event == "post-footnote"    ||
+      event == "pre-output"      || event == "post-output"      ||
+      event == "pre-dispatch"    || event == "post-dispatch"    ||
+      event == "pre-gc"          || event == "post-gc"          ||
+      event == "pre-undo"        || event == "post-undo"        ||
+      event == "pre-add-command" || event == "post-add-command")
   {
     type = "program";
     return true;

src/TDB.cpp

@@ -343,6 +343,7 @@ void TDB::update (const Task& task)
 int TDB::commit ()
 {
   Timer t ("TDB::commit");
+  context.hooks.trigger ("pre-gc");
 
   int quantity = mNew.size () + mModified.size ();
 
@@ -362,6 +363,7 @@ int TDB::commit ()
       writeUndo (*task, mLocations[0].undo);
 
     mNew.clear ();
+    context.hooks.trigger ("post-gc");
     return quantity;
   }
 
@@ -408,6 +410,7 @@ int TDB::commit ()
     mNew.clear ();
   }
 
+  context.hooks.trigger ("post-gc");
   return quantity;
 }
 
@@ -506,6 +509,7 @@ int TDB::nextId ()
 ////////////////////////////////////////////////////////////////////////////////
 void TDB::undo ()
 {
+  context.hooks.trigger ("pre-undo");
   Directory location (context.config.get ("data.location"));
 
   std::string undoFile      = location.data + "/undo.data";
@@ -670,6 +674,7 @@ void TDB::undo ()
       // Rewrite files.
       File::write (pendingFile, p);
       File::write (undoFile, u);
+      context.hooks.trigger ("post-undo");
       return;
     }
   }
@@ -708,6 +713,7 @@ void TDB::undo ()
       }
 
       std::cout << "Undo complete." << std::endl;
+      context.hooks.trigger ("post-undo");
       return;
     }
   }

src/command.cpp

@@ -52,6 +52,7 @@ extern Context context;
 ////////////////////////////////////////////////////////////////////////////////
 int handleAdd (std::string &outs)
 {
+  context.hooks.trigger ("pre-add-command");
   std::stringstream out;
 
   context.task.set ("uuid", uuid ());
@@ -112,6 +113,7 @@ int handleAdd (std::string &outs)
   context.tdb.unlock ();
 
   outs = out.str ();
+  context.hooks.trigger ("post-add-command");
   return 0;
 }