zcmdcat: Initial infrastructure.

src/commands/Command.cpp

@@ -193,9 +193,25 @@ void Command::factory (std::map <std::string, Command*>& all)
   }
 }
 
+////////////////////////////////////////////////////////////////////////////////
+const std::map <Command::Category, std::string> Command::categoryNames =
+{
+  // These strings are intentionally not l10n'd: they are used as identifiers.
+   {Command::Category::unassigned,   "unassigned"} // should never happen
+  ,{Command::Category::interrogator, "interrogator"}
+  ,{Command::Category::report,       "report"}
+  ,{Command::Category::operation,    "operation"}
+  ,{Command::Category::graphs,       "graphs"   }
+  ,{Command::Category::config,       "config"   }
+  ,{Command::Category::migration,    "migration"}
+  ,{Command::Category::misc,         "misc"     }
+  ,{Command::Category::internal,     "internal"}
+};
+ 
 ////////////////////////////////////////////////////////////////////////////////
 Command::Command ()
-: _usage ("")
+: _category(Category::unassigned)
+, _usage ("")
 , _description ("")
 , _read_only (true)
 , _displays_id (true)

src/commands/Command.h

@@ -47,8 +47,24 @@ public:
   bool displays_id () const;
   virtual int execute (std::string&) = 0;
 
+  enum class Category
+  {
+    unassigned,
+    interrogator,
+    report,
+    operation,
+    graphs,
+    config,
+    migration,
+    misc,
+    internal,
+    // Whenever you extend this enum, update categoryNames.
+  };
+  Category _category;
+
 protected:
   bool permission (const Task&, const std::string&, unsigned int);
+  static const std::map <Command::Category, std::string> categoryNames;
 
 protected:
   std::string _keyword;