--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/irccdctl/cli.hpp	Sat Nov 12 22:58:48 2016 +0100
@@ -0,0 +1,98 @@
+/*
+ * cli.hpp -- command line for irccdctl
+ *
+ * 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 IRCCD_CLI_HPP
+#define IRCCD_CLI_HPP
+
+#include <string>
+#include <vector>
+
+#include <json.hpp>
+
+namespace irccd {
+
+class Irccdctl;
+
+class Cli {
+protected:
+    std::string m_name;
+    std::string m_summary;
+    std::string m_usage;
+    std::string m_help;
+
+    /**
+     * Check the message result and print an error if any.
+     *
+     * \param result the result
+     * \throw an error if any
+     */
+    void check(const nlohmann::json &result);
+
+    /**
+     * Send a request and wait for the response.
+     *
+     * \param irccdctl the client
+     * \param args the optional arguments
+     */
+    nlohmann::json request(Irccdctl &irccdctl, nlohmann::json args = nullptr);
+
+    /**
+     * Call a command and wait for success/error response.
+     *
+     * \param irccdctl the client
+     * \param args the extra arguments (may be null)
+     */
+    void call(Irccdctl &irccdctl, nlohmann::json args);
+
+public:
+    inline Cli(std::string name, std::string summary, std::string usage, std::string help) noexcept
+        : m_name(std::move(name))
+        , m_summary(std::move(summary))
+        , m_usage(std::move(usage))
+        , m_help(std::move(help))
+    {
+    }
+
+    virtual ~Cli() = default;
+
+    inline const std::string &name() const noexcept
+    {
+        return m_name;
+    }
+
+    inline const std::string &summary() const noexcept
+    {
+        return m_summary;
+    }
+
+    inline const std::string &usage() const noexcept
+    {
+        return m_usage;
+    }
+
+    inline const std::string &help() const noexcept
+    {
+        return m_help;
+    }
+
+    virtual void exec(Irccdctl &client, const std::vector<std::string> &args) = 0;
+};
+
+} // !irccd
+
+#endif // !IRCCD_CLI_HPP