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Diffstat (limited to 'src/libs/engine/GraphObject.h')
-rw-r--r-- | src/libs/engine/GraphObject.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/libs/engine/GraphObject.h b/src/libs/engine/GraphObject.h deleted file mode 100644 index c5993595..00000000 --- a/src/libs/engine/GraphObject.h +++ /dev/null @@ -1,120 +0,0 @@ -/* This file is part of Ingen. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Ingen 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. - * - * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef GRAPHOBJECT_H -#define GRAPHOBJECT_H - -#include <string> -#include <map> -#include <cstddef> -#include <cassert> -#include <raul/Deletable.h> -#include <raul/Path.h> -#include <raul/Atom.h> -#include "types.h" - -using std::string; -using Raul::Atom; -using Raul::Path; - -namespace Ingen { - -class Patch; -class Node; -class Port; -class ObjectStore; - - -/** An object on the audio graph - Patch, Node, Port, etc. - * - * Each of these is a Raul::Deletable and so can be deleted in a realtime safe - * way from anywhere, and they all have a map of metadata for clients to store - * arbitrary values in (which the engine puts no significance to whatsoever). - * - * \ingroup engine - */ -class GraphObject : public Raul::Deletable -{ -public: - typedef std::map<string, Atom> MetadataMap; - - GraphObject(GraphObject* parent, const string& name) - : _store(NULL), _parent(parent), _name(name) - { - assert(parent == NULL || _name.length() > 0); - assert(_name.find("/") == string::npos); - assert(path().find("//") == string::npos); - } - - virtual ~GraphObject() {} - - inline GraphObject* parent() const { return _parent; } - inline const string& name() const { return _name; } - - virtual void process(SampleCount nframes, FrameTime start, FrameTime end) = 0; - - /** Rename */ - virtual void set_path(const Path& new_path) { - assert(new_path.parent() == path().parent()); - _name = new_path.name(); - assert(_name.find("/") == string::npos); - } - - void set_metadata(const string& key, const Atom& value) - { _metadata[key] = value; } - - const Atom& get_metadata(const string& key) { - static Atom null_atom; - MetadataMap::iterator i = _metadata.find(key); - return (i != _metadata.end()) ? (*i).second : null_atom; - } - - const MetadataMap& metadata() const { return _metadata; } - - - /** Patch and Node override this to recursively add their children. */ - virtual void add_to_store(ObjectStore* store); - - /** Patch and Node override this to recursively remove their children. */ - virtual void remove_from_store(); - - /** The Patch this object is a child of. */ - virtual Patch* parent_patch() const; - - /** Path is dynamically generated from parent to ease renaming */ - inline const Path path() const { - if (_parent == NULL) - return Path(string("/").append(_name)); - else if (_parent->path() == "/") - return Path(string("/").append(_name)); - else - return Path(_parent->path() +"/"+ _name); - } - -protected: - ObjectStore* _store; - GraphObject* _parent; - string _name; - -private: - MetadataMap _metadata; -}; - - -} // namespace Ingen - -#endif // GRAPHOBJECT_H |