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Diffstat (limited to 'ingen/Properties.hpp')
-rw-r--r-- | ingen/Properties.hpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/ingen/Properties.hpp b/ingen/Properties.hpp new file mode 100644 index 00000000..ef608574 --- /dev/null +++ b/ingen/Properties.hpp @@ -0,0 +1,92 @@ +/* + This file is part of Ingen. + Copyright 2007-2017 David Robillard <http://drobilla.net/> + + Ingen is free software: you can redistribute it and/or modify it under the + terms of the GNU Affero General Public License as published by the Free + Software Foundation, either version 3 of the License, or 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 Affero General Public License for details. + + You should have received a copy of the GNU Affero General Public License + along with Ingen. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef INGEN_PROPERTIES_HPP +#define INGEN_PROPERTIES_HPP + +#include <map> + +#include "ingen/Atom.hpp" +#include "ingen/URIs.hpp" +#include "raul/URI.hpp" + +namespace Ingen { + +/** A property value (an Atom with a context). */ +class Property : public Atom { +public: + enum class Graph { + DEFAULT, + EXTERNAL, + INTERNAL + }; + + Property(const Atom& atom, Graph ctx=Graph::DEFAULT) + : Atom(atom) + , _ctx(ctx) + {} + + Property(const URIs::Quark& quark, Graph ctx=Graph::DEFAULT) + : Atom(quark.urid) + , _ctx(ctx) + {} + + Graph context() const { return _ctx; } + void set_context(Graph ctx) { _ctx = ctx; } + +private: + Graph _ctx; +}; + +class Properties : public std::multimap<Raul::URI, Property> { +public: + using Graph = Property::Graph; + + Properties() {} + + Properties(const Properties& copy) + : std::multimap<Raul::URI, Property>(copy) + {} + + Properties(std::initializer_list<value_type> l) + : std::multimap<Raul::URI, Property>(l) + {} + + void put(const Raul::URI& key, + const Atom& value, + Graph ctx = Graph::DEFAULT) { + insert(std::make_pair(key, Property(value, ctx))); + } + + void put(const Raul::URI& key, + const URIs::Quark& value, + Graph ctx = Graph::DEFAULT) { + insert(std::make_pair(key, Property(value, ctx))); + } + + bool contains(const Raul::URI& key, const Atom& value) { + for (const_iterator i = find(key); i != end() && i->first == key; ++i) { + if (i->second == value) { + return true; + } + } + return false; + } +}; + +} // namespace Ingen + +#endif // INGEN_PROPERTIES_HPP |