Add livre::DataSource::handles()

doc/Changelog.md

@@ -3,6 +3,8 @@ Changelog {#Changelog}
 
 # git master
 
+* [#375](https://github.com/BlueBrain/Livre/pull/375):
+  Add livre::DataSource::handles()
 * [#373](https://github.com/BlueBrain/Livre/pull/373):
   Fix concurrent send & receive from livreGUI, which lead to crashes on GUI
   and/or connected clients

livre/core/CMakeLists.txt

@@ -9,6 +9,7 @@
 set(LIVRECORE_PUBLIC_HEADERS
   configuration/Configuration.h
   configuration/Parameters.h
+  data/DataSource.h
   data/DataSourcePlugin.h
   data/Histogram.h
   data/LODNode.h
@@ -28,7 +29,6 @@ set(LIVRECORE_HEADERS
   cache/Cache.h
   cache/CacheObject.h
   cache/CacheStatistics.h
-  data/DataSource.h
   maths/Quantizer.h
   pipeline/Executable.h
   pipeline/Filter.h

livre/core/data/DataSource.cpp

@@ -74,6 +74,11 @@ std::string DataSource::getDescriptions()
     return DataSource::Impl::PluginFactory::getInstance().getDescriptions();
 }
 
+bool DataSource::handles( const servus::URI& uri )
+{
+    return DataSource::Impl::PluginFactory::getInstance().handles( DataSourcePluginData{ uri } );
+}
+
 LODNode DataSource::getNode( const NodeId& nodeId ) const
 {
     return _impl->getNode( nodeId );

livre/core/data/DataSource.h

@@ -48,7 +48,10 @@ class DataSource
     LIVRECORE_API static void loadPlugins();
 
     /** @return information on all loaded plugins. */
-    static std::string getDescriptions();
+    LIVRECORE_API static std::string getDescriptions();
+
+    /** @return true if a datasource plugin for the given URI is available. */
+    LIVRECORE_API static bool handles( const servus::URI& uri );
 
     /**
      * @return The volume information.