Put back mistakenly removed method pool::getSignal.

include/dynamic-graph/pool.h

@@ -88,6 +88,12 @@ namespace dynamicgraph
     void clearPlugin (const std::string& name);
     /*! @} */
 
+    ///
+    /// \brief Get a signal by name
+    ///
+    /// \param sigpath stream containing a string of the form "entity.signal"
+    SignalBase<int>& getSignal( std::istringstream& sigpath );
+
     /*! \brief This method looks for the object named objectName,
       and ask to provide the function functionName with the arguments cmdArg.
       If the method of the object displays some information this will

src/dgraph/pool.cpp

@@ -23,11 +23,14 @@
 /* --------------------------------------------------------------------- */
 
 /* --- DYNAMIC-GRAPH --- */
-#include <dynamic-graph/pool.h>
-#include <dynamic-graph/debug.h>
-#include <dynamic-graph/entity.h>
 #include <list>
 #include <typeinfo>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include "dynamic-graph/pool.h"
+#include "dynamic-graph/debug.h"
+#include "dynamic-graph/entity.h"
 
 using namespace dynamicgraph;
 
@@ -240,6 +243,38 @@ commandLine( const std::string& objectName,const std::string& functionName,
     }
 }
 
+static bool
+objectNameParser( std::istringstream& cmdparse,
+		  std::string& objName,
+		  std::string& funName  )
+{
+  const int SIZE=128;
+  char buffer[SIZE];
+  cmdparse >> std::ws;
+  cmdparse.getline( buffer,SIZE,'.' );
+  if(! cmdparse.good () ) // The callback is not an object method
+    return false;
+
+  objName = buffer;
+  //cmdparse.getline( buffer,SIZE );
+  //funName = buffer;
+  cmdparse >> funName;
+  return true;
+}
+
+SignalBase<int>&
+PoolStorage::
+getSignal( std::istringstream& sigpath )
+{
+  std::string objname,signame;
+  if(! objectNameParser( sigpath,objname,signame ) )
+    { DG_THROW ExceptionFactory( ExceptionFactory::UNREFERED_SIGNAL,
+				     "Parse error in signal name" ); }
+
+  Entity& ent = getEntity( objname );
+  return ent.getSignal( signame );
+}
+
 namespace dynamicgraph {
 	//! The global g_pool object.
 	PoolStorage g_pool;