6 files changed, 71 insertions, 0 deletions
diff --git a/src/shared/ClashAvoider.cpp b/src/shared/ClashAvoider.cpp
index c6aec06d..c86d9cde 100644
--- a/src/shared/ClashAvoider.cpp
+++ b/src/shared/ClashAvoider.cpp
@@ -152,6 +152,15 @@ ClashAvoider::put(const Raul::URI&                    path,
 
 
 void
+ClashAvoider::delta(const Raul::URI&                    path,
+                    const Shared::Resource::Properties& remove,
+                    const Shared::Resource::Properties& add)
+{
+	_target.delta(map_uri(path), remove, add);
+}
+
+
+void
 ClashAvoider::move(const Raul::Path& old_path,
                    const Raul::Path& new_path)
 {
diff --git a/src/shared/ClashAvoider.hpp b/src/shared/ClashAvoider.hpp
index 50a036da..9c131e0e 100644
--- a/src/shared/ClashAvoider.hpp
+++ b/src/shared/ClashAvoider.hpp
@@ -51,6 +51,10 @@ public:
 	virtual void put(const Raul::URI&            path,
 	                 const Resource::Properties& properties);
 
+	virtual void delta(const Raul::URI&                    path,
+	                   const Shared::Resource::Properties& remove,
+	                   const Shared::Resource::Properties& add);
+
 	virtual void move(const Raul::Path& old_path,
 	                  const Raul::Path& new_path);
 
diff --git a/src/shared/LV2URIMap.cpp b/src/shared/LV2URIMap.cpp
index 5717a4a9..f83f7aa5 100644
--- a/src/shared/LV2URIMap.cpp
+++ b/src/shared/LV2URIMap.cpp
@@ -104,6 +104,7 @@ LV2URIMap::LV2URIMap()
 	, rdfs_seeAlso(NS_RDFS "seeAlso")
 	, string_transfer("http://lv2plug.in/ns/dev/string-port#StringTransfer")
 	, ui_format_events("http://lv2plug.in/ns/extensions/ui#Events")
+	, wildcard(NS_INGEN "wildcard")
 {
 	uri_map_feature_data.uri_to_id = &LV2URIMap::uri_map_uri_to_id;
 	uri_map_feature_data.callback_data = this;
diff --git a/src/shared/LV2URIMap.hpp b/src/shared/LV2URIMap.hpp
index d14314b7..6b298e79 100644
--- a/src/shared/LV2URIMap.hpp
+++ b/src/shared/LV2URIMap.hpp
@@ -112,6 +112,7 @@ public:
 	const Quark rdfs_seeAlso;
 	const Quark string_transfer;
 	const Quark ui_format_events;
+	const Quark wildcard;
 };
 
 
diff --git a/src/shared/ResourceImpl.cpp b/src/shared/ResourceImpl.cpp
index ea64a5d7..230d53b8 100644
--- a/src/shared/ResourceImpl.cpp
+++ b/src/shared/ResourceImpl.cpp
@@ -64,6 +64,24 @@ ResourceImpl::set_property(const Raul::URI& uri, const Raul::Atom& value)
 }
 
 
+void
+ResourceImpl::remove_property(const Raul::URI& uri, const Raul::Atom& value)
+{
+	const LV2URIMap& uris = Shared::LV2URIMap::instance();
+	if (value == uris.wildcard) {
+		_properties.erase(uri);
+	} else {
+		Properties::iterator i = _properties.find(uri);
+		for (; (i != _properties.end()) && (i->first == uri); ++i) {
+			if (i->second == value) {
+				_properties.erase(i);
+				return;
+			}
+		}
+	}
+}
+
+
 bool
 ResourceImpl::has_property(const Raul::URI& uri, const Raul::Atom& value) const
 {
@@ -177,5 +195,39 @@ ResourceImpl::add_properties(const Properties& p)
 }
 
 
+void
+ResourceImpl::remove_properties(const Properties& p)
+{
+	const LV2URIMap& uris = Shared::LV2URIMap::instance();
+	typedef Resource::Properties::const_iterator iterator;
+	for (iterator i = p.begin(); i != p.end(); ++i) {
+		if (i->second == uris.wildcard) {
+			_properties.erase(i->first);
+		} else {
+			for (Properties::iterator j = _properties.find(i->first);
+					(j != _properties.end()) && (j->first == i->first); ++j) {
+				if (j->second == i->second) {
+					_properties.erase(j);
+					break;
+				}
+			}
+		}
+	}
+}
+
+
+void
+
+ResourceImpl::dump(std::ostream& os) const
+{
+	typedef Resource::Properties::const_iterator iterator;
+	os << _uri << " [" << endl;
+	for (iterator i = _properties.begin(); i != _properties.end(); ++i) {
+		os << "\t" << i->first << " " << i->second << " ;" << endl;
+	}
+	os << "]" << endl;
+}
+
+
 } // namespace Shared
 } // namespace Ingen
diff --git a/src/shared/ResourceImpl.hpp b/src/shared/ResourceImpl.hpp
index eb80a46c..8e827df8 100644
--- a/src/shared/ResourceImpl.hpp
+++ b/src/shared/ResourceImpl.hpp
@@ -40,10 +40,14 @@ public:
 
 	const Raul::Atom& get_property(const Raul::URI& uri) const;
 	Raul::Atom&       set_property(const Raul::URI& uri, const Raul::Atom& value);
+	void              remove_property(const Raul::URI& uri, const Raul::Atom& value);
 	bool              has_property(const Raul::URI& uri, const Raul::Atom& value) const;
 	void              add_property(const Raul::URI& uri, const Raul::Atom& value);
 	void              set_properties(const Properties& p);
 	void              add_properties(const Properties& p);
+	void              remove_properties(const Properties& p);
+
+	void dump(std::ostream& os) const;
 
 	sigc::signal<void, const Raul::URI&, const Raul::Atom&> signal_property;