libardour lua-script-manager

1 files changed, 133 insertions, 0 deletions

diff --git a/libs/ardour/ardour/luascripting.h b/libs/ardour/ardour/luascripting.h
new file mode 100644
index 0000000000..a5a066b2cd
--- /dev/null
+++ b/libs/ardour/ardour/luascripting.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+#ifndef _ardour_luascripting_h_
+#define _ardour_luascripting_h_
+#include <vector>
+
+#include <boost/shared_ptr.hpp>
+#include <glibmm/threads.h>
+
+#include "ardour/libardour_visibility.h"
+
+namespace ARDOUR {
+
+class LIBARDOUR_API LuaScriptInfo {
+  public:
+
+	enum ScriptType {
+		Invalid,
+		DSP,
+		Session,
+		EditorHook,
+		EditorAction,
+	};
+
+	static std::string type2str (const ScriptType t);
+	static ScriptType str2type (const std::string& str);
+
+	LuaScriptInfo (ScriptType t, const std::string &n, const std::string &p)
+	: type (t)
+	, name (n)
+	, path (p)
+	{ }
+
+	virtual ~LuaScriptInfo () { }
+
+	ScriptType type;
+	std::string name;
+	std::string path;
+
+	std::string author;
+	std::string license;
+	std::string category;
+	std::string description;
+};
+
+struct LIBARDOUR_API LuaScriptParam {
+	public:
+		LuaScriptParam (
+				const std::string& n,
+				const std::string& t,
+				const std::string& d,
+				bool o)
+			: name (n)
+			, title (t)
+			, dflt (d)
+			, optional (o)
+			, is_set (false)
+			, value (d)
+	{}
+
+		std::string name;
+		std::string title;
+		std::string dflt;
+		bool optional;
+		bool is_set;
+		std::string value;
+};
+
+
+typedef boost::shared_ptr<LuaScriptInfo> LuaScriptInfoPtr;
+typedef std::vector<LuaScriptInfoPtr> LuaScriptList;
+
+typedef boost::shared_ptr<LuaScriptParam> LuaScriptParamPtr;
+typedef std::vector<LuaScriptParamPtr> LuaScriptParamList;
+
+
+class LIBARDOUR_API LuaScripting {
+
+public:
+	static LuaScripting& instance();
+
+	~LuaScripting ();
+
+	LuaScriptList &scripts (LuaScriptInfo::ScriptType);
+
+	void refresh ();
+	static LuaScriptInfoPtr script_info (const std::string &script ) { return scan_script ("", script); }
+
+	static LuaScriptParamList script_params (LuaScriptInfoPtr, const std::string &);
+	static LuaScriptParamList session_script_params (LuaScriptInfoPtr lsi) {
+		return script_params (lsi, "sess_params");
+	}
+
+	static bool try_compile (const std::string&, const LuaScriptParamList&);
+	static std::string get_factory_bytecode (const std::string&);
+
+private:
+	static LuaScripting* _instance; // singleton
+	LuaScripting ();
+
+	void scan ();
+	void check_scan ();
+	static LuaScriptInfoPtr scan_script (const std::string &, const std::string & sc = "");
+	static void lua_print (std::string s);
+
+	LuaScriptList *_sl_dsp;
+	LuaScriptList *_sl_session;
+	LuaScriptList *_sl_hook;
+	LuaScriptList *_sl_action;
+	LuaScriptList  _empty_script_info;
+
+	Glib::Threads::Mutex _lock;
+};
+
+} // namespace ARDOUR
+
+#endif // _ardour_luascripting_h_