--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/irccdctl/command.h	Mon Feb 08 16:43:14 2016 +0100
@@ -0,0 +1,71 @@
+/*
+ * command.h -- irccdctl command
+ *
+ * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _IRCCDCTL_COMMAND_H_
+#define _IRCCDCTL_COMMAND_H_
+
+/**
+ * @file command.h
+ * @brief Irccdctl base command class.
+ */
+
+#include <vector>
+#include <sstream>
+#include <string>
+
+#include <logger.h>
+#include <system.h>
+
+#include "irccdctl.h"
+
+namespace irccd {
+
+class Irccdctl;
+
+/**
+ * @class Command
+ * @brief Irccdctl base command class.
+ */
+class Command {
+public:
+	/**
+	 * Virtual destructor defaulted.
+	 */
+	virtual ~Command() = default;
+
+	/**
+	 * Show the command line help.
+	 *
+	 * @param irccdctl the irccdctl instance
+	 */
+	virtual void usage(Irccdctl &irccdctl) const = 0;
+
+	/**
+	 * Execute the function with the command line given arguments.
+	 *
+	 * The function can throw anything.
+	 *
+	 * @param irccdctl the irccdctl instance
+	 * @param args the command line arguments
+	 */
+	virtual void exec(Irccdctl &irccdctl, const std::vector<std::string> &args) const = 0;
+};
+
+} // !irccd
+
+#endif // !_IRCCDCTL_COMMAND_H_