1 files changed, 70 insertions, 0 deletions
diff --git a/src/lnav_config_fwd.hh b/src/lnav_config_fwd.hh
new file mode 100644
index 0000000..0b371a3
--- /dev/null
+++ b/src/lnav_config_fwd.hh
@@ -0,0 +1,70 @@
+/**
+ * Copyright (c) 2020, Timothy Stack
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of Timothy Stack nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @file lnav_config_fwd.hh
+ */
+
+#ifndef lnav_config_fwd_hh
+#define lnav_config_fwd_hh
+
+#include <functional>
+#include <string>
+
+#include "base/lnav.console.hh"
+
+class lnav_config_listener {
+public:
+    using error_reporter = const std::function<void(
+        const void*, const lnav::console::user_message& msg)>;
+
+    lnav_config_listener()
+    {
+        this->lcl_next = LISTENER_LIST;
+        LISTENER_LIST = this;
+    }
+
+    virtual ~lnav_config_listener() = default;
+
+    virtual void reload_config(error_reporter& reporter) {}
+
+    virtual void unload_config() {}
+
+    static void unload_all() {
+        auto* lcl = LISTENER_LIST;
+        while (lcl != nullptr) {
+            lcl->unload_config();
+            lcl = lcl->lcl_next;
+        }
+    }
+
+    static lnav_config_listener* LISTENER_LIST;
+
+    lnav_config_listener* lcl_next;
+};
+
+#endif