*** empty log message ***

[bbtk.git] / packages / std / src / bbstdMagicBox.h

diff --git a/packages/std/src/bbstdMagicBox.h b/packages/std/src/bbstdMagicBox.h
new file mode 100644 (file)
index 0000000..5c70c64
--- /dev/null
+++ b/packages/std/src/bbstdMagicBox.h
@@ -0,0 +1,85 @@
+#ifndef __bbstdMagicBox_h_INCLUDED_H__
+#define __bbstdMagicBox_h_INCLUDED_H__
+
+#include "bbtkUserBlackBox.h"
+
+namespace bbstd
+{
+  
+  //==================================================================
+  class /*BBTK_EXPORT*/ MagicBox
+    : 
+    public bbtk::UserBlackBox
+  {
+    BBTK_USER_BLACK_BOX_INTERFACE(MagicBox,bbtk::UserBlackBox);
+    BBTK_DECLARE_INPUT(In,bbtk::Data);
+    BBTK_DECLARE_OUTPUT(Out,bbtk::Data);
+    BBTK_PROCESS(DoProcess);
+    void DoProcess() { bbSetOutputOut( bbGetInputIn() ); }
+    
+  protected:
+    //    virtual void bbUserConstructor();
+    
+  };
+  //==================================================================
+  
+  
+  //==================================================================
+  // We have to create a particular SetFunctor for MagicBox because
+  // its input is of type bbtk::Data (i.e. any) and :
+  // 1) an any cannot store an any (construction with an any invokes the copy constr.)
+  // 2) we cannot invoke the Set method with the content of the any because 
+  //   it expects an any 
+  // hence the method Set **MUST NOT** extract the content of the Data 
+  // prior to invoking the set method
+  class MagicBoxSetFunctor : public bbtk::UserBlackBoxSetFunctor
+  {
+  public:
+    /// Type of pointer on a UBB::Set method  
+    typedef void (MagicBox::*SetMethodPointerType)(bbtk::Data);
+    
+    /// Construction with the pointer on the Set method
+    MagicBoxSetFunctor(SetMethodPointerType s) :
+      mSetMethodPointer(s) 
+    {}
+    
+    /// Concrete application of the Set method of object o
+    void Set(bbtk::UserBlackBox* o, const bbtk::Data& d)
+    { 
+      bbtkDebugMessage("Data",9,"MagicBoxSetfunctor::Set()"<<std::endl);
+      (((MagicBox*)o)->*mSetMethodPointer)(d);
+    }
+    
+    /// 
+    bbtk::TypeInfo GetTypeInfo() const { return typeid(bbtk::Data); }
+    std::string GetTypeName() const { return bbtk::TypeName<bbtk::Data>(); }
+    std::string GetHumanTypeName() const { return bbtk::HumanTypeName<bbtk::Data>(); }
+    bool IsPointerType() const { return false; }
+    void BruteForceSetPointer(bbtk::UserBlackBox*, void*) {}
+  private:
+    ///  Pointer on the Set method  
+    SetMethodPointerType mSetMethodPointer;
+  };
+  //===========================================================================
+
+
+
+  BBTK_BEGIN_DESCRIBE_BLACK_BOX(MagicBox,bbtk::UserBlackBox);
+  BBTK_NAME("MagicBox");
+  BBTK_AUTHOR("laurent.guigues@creatis.insa-lyon.fr");
+  BBTK_DESCRIPTION("MagicBox");
+  AddInputDescriptor(new bbtk::UserBlackBoxInputDescriptor             
+                    ("In","Input data",
+                     new bbtk::UserBlackBoxTGetFunctor<MagicBox,bbtk::Data,bbtk::Data>
+                     (&MagicBox::bbGetInputIn),
+                     new MagicBoxSetFunctor (&MagicBox::bbSetInputIn) ) );
+  AddOutputDescriptor(new bbtk::UserBlackBoxOutputDescriptor           
+                     ("Out","Output data",
+                      new bbtk::UserBlackBoxTGetFunctor<MagicBox,bbtk::Data,bbtk::Data>
+                      (&MagicBox::bbGetOutputOut),
+                      new MagicBoxSetFunctor (&MagicBox::bbSetOutputOut) ) );
+  BBTK_END_DESCRIBE_BLACK_BOX(MagicBox);
+}
+// namespace bbstd
+
+#endif // __bbstdMagicBox_h_INCLUDED_H__