From 5177aa485f28e40e087042c2b7292fb9a94e7a3c Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 18 Oct 2010 21:46:16 +0000
Subject: Implement URI unmap extension and use it to serialise JSON dictionary
 keys.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2637 a436a847-0d15-0410-975c-d299462d15a1
---
 src/shared/LV2URIMap.hpp | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

(limited to 'src/shared/LV2URIMap.hpp')

diff --git a/src/shared/LV2URIMap.hpp b/src/shared/LV2URIMap.hpp
index 8c645ae0..d34be8f9 100644
--- a/src/shared/LV2URIMap.hpp
+++ b/src/shared/LV2URIMap.hpp
@@ -21,6 +21,7 @@
 #include <boost/utility.hpp>
 #include "raul/URI.hpp"
 #include "lv2/http/lv2plug.in/ns/ext/uri-map/uri-map.h"
+#include "lv2/http/lv2plug.in/ns/ext/uri-unmap/uri-unmap.h"
 #include "ingen-config.h"
 #include "LV2Features.hpp"
 
@@ -28,7 +29,7 @@ namespace Ingen {
 namespace Shared {
 
 
-/** Implementation of the LV2 URI Map extension
+/** Implementation of the LV2 URI Map and URI Unmap extensions
  */
 class LV2URIMap : public boost::noncopyable, public LV2Features::Feature {
 public:
@@ -38,16 +39,38 @@ public:
 		return SharedPtr<LV2_Feature>(&uri_map_feature, NullDeleter<LV2_Feature>);
 	}
 
-	virtual uint32_t uri_to_id(const char* map, const char* uri);
+	struct UnmapFeature : public LV2Features::Feature {
+		UnmapFeature(const LV2URIMap& map) : _feature(map.uri_unmap_feature) {}
+		
+		SharedPtr<LV2_Feature> feature(Node*) {
+			return SharedPtr<LV2_Feature>(&_feature, NullDeleter<LV2_Feature>);
+		}
+
+		LV2_Feature _feature;
+	};
+
+	SharedPtr<UnmapFeature> unmap_feature() { return _unmap_feature; }
+		
+	virtual uint32_t    uri_to_id(const char* map, const char* uri);
+	virtual const char* id_to_uri(const char* map, uint32_t id);
 
 private:
 	static uint32_t uri_map_uri_to_id(LV2_URI_Map_Callback_Data callback_data,
 	                                  const char*               map,
 	                                  const char*               uri);
 
+	static const char* uri_unmap_id_to_uri(LV2_URI_Map_Callback_Data callback_data,
+	                                       const char*               map,
+	                                       const uint32_t            id);
+
 	LV2_Feature         uri_map_feature;
 	LV2_URI_Map_Feature uri_map_feature_data;
 
+	LV2_Feature           uri_unmap_feature;
+	LV2_URI_Unmap_Feature uri_unmap_feature_data;
+
+	SharedPtr<UnmapFeature> _unmap_feature;
+	
 public:
 	struct Quark : public Raul::URI {
 		Quark(const char* str);
-- 
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