[uLib Geometry]

+ adds ClassCompound pattern

src/Core/CMakeLists.txt

@@ -24,6 +24,7 @@ set(HEADERS
                                 ProgrammableAccessor.h
                                 Named.h
                                 MplSequenceCombiner.h
+                                ClassCompound.h
 )
 
 SET(SOURCES

src/Core/ClassCompound.h

@@ -0,0 +1,175 @@
+#ifndef U_CORE_CLASSCOMPOUND_H
+#define U_CORE_CLASSCOMPOUND_H
+
+
+#include "boost/type_traits.hpp"
+
+#include "Core/Mpl.h"
+
+
+namespace uLib {
+namespace detail {
+
+
+template < class _Seq >
+struct ClassCompound : ULIB_MPL_INHERIT_SEQ(_Seq) {
+    typedef _Seq Seq;
+
+    ClassCompound() {}
+
+    template < class S >
+    struct CopyOp {
+        CopyOp(const S * src, ClassCompound * const dst) : m_src(src), m_dst(dst) {}
+
+        template < class T, bool b >
+        void copy(const T &t, const boost::integral_constant<bool,b>&) const {
+        }
+
+        template < class T >
+        void copy(const T &t, const boost::true_type&) const {
+            static_cast<T &>(*m_dst) = t;
+        }
+
+        template < class A >
+        void operator()(A) const {
+            const A &t = *m_src;
+            copy(t, boost::is_base_of<A,ClassCompound>());
+        }
+
+        ClassCompound * const m_dst;
+        const S *m_src;
+    };
+
+    template < class Other >
+    ClassCompound(const Other &t) {
+        typedef typename Other::Seq _seq;
+        mpl::for_each<_seq>(CopyOp<Other>(&t,this));
+    }
+
+    template < class Other >
+    const ClassCompound & operator = (const Other &t) {
+        typedef typename Other::Seq _seq;
+        mpl::for_each<_seq>(CopyOp<Other>(&t,this));
+        return *this;
+    }
+
+};
+
+
+} // detail
+
+
+
+struct Null {};
+template < class T0 = Null,
+           class T1 = Null,
+           class T2 = Null,
+           class T3 = Null,
+           class T4 = Null,
+           class T5 = Null >
+struct ClassCompound {
+    typedef T0 A0;
+    typedef T1 A1;
+    typedef T2 A2;
+    typedef T3 A3;
+    typedef T4 A4;
+    typedef T5 A5;
+
+    //NEVER REACHED //
+};
+
+template < class _A0 >
+struct ClassCompound<_A0> : detail::ClassCompound< mpl::vector<_A0> > {
+
+    typedef detail::ClassCompound< mpl::vector<_A0> > BaseClass;
+    typedef _A0 A1;
+
+    ClassCompound() {}
+
+    template < class Other >
+    ClassCompound(const Other &t) : BaseClass(t) {}
+
+    using BaseClass::operator =;
+};
+
+template < class _A0,
+           class _A1 >
+struct ClassCompound<_A0,_A1> : detail::ClassCompound< mpl::vector<_A0,_A1> > {
+    typedef detail::ClassCompound< mpl::vector<_A0,_A1> > BaseClass;
+    typedef _A0 A0;
+    typedef _A1 A1;
+
+    ClassCompound() {}
+
+    template < class Other >
+    ClassCompound(const Other &t) : BaseClass(t) {}
+
+    using BaseClass::operator =;
+};
+
+template < class _A0,
+           class _A1,
+           class _A2 >
+struct ClassCompound<_A0,_A1,_A2> : detail::ClassCompound< mpl::vector<_A0,_A1,_A2> > {
+
+    typedef detail::ClassCompound< mpl::vector<_A0,_A1,_A2> > BaseClass;
+    typedef _A0 A0;
+    typedef _A1 A1;
+    typedef _A2 A2;
+
+
+    ClassCompound() {}
+
+    template < class Other >
+    ClassCompound(const Other &t) : BaseClass(t) {}
+
+    using BaseClass::operator =;
+};
+
+template < class _A0,
+           class _A1,
+           class _A2,
+           class _A3 >
+struct ClassCompound<_A0,_A1,_A2,_A3> : detail::ClassCompound< mpl::vector<_A0,_A1,_A2,_A3> > {
+
+    typedef detail::ClassCompound< mpl::vector<_A0,_A1,_A2,_A3> > BaseClass;
+    typedef _A0 A0;
+    typedef _A1 A1;
+    typedef _A2 A2;
+    typedef _A3 A3;
+
+    ClassCompound() {}
+
+    template < class Other >
+    ClassCompound(const Other &t) : BaseClass(t) {}
+
+    using BaseClass::operator =;
+};
+
+template < class _A0,
+           class _A1,
+           class _A2,
+           class _A3,
+           class _A4 >
+struct ClassCompound<_A0,_A1,_A2,_A3,_A4> : detail::ClassCompound< mpl::vector<_A0,_A1,_A2,_A3,_A4> > {
+
+    typedef detail::ClassCompound< mpl::vector<_A0,_A1,_A2,_A3,_A4> > BaseClass;
+    typedef _A0 A0;
+    typedef _A1 A1;
+    typedef _A2 A2;
+    typedef _A3 A3;
+    typedef _A4 A4;
+
+    ClassCompound() {}
+
+    template < class Other >
+    ClassCompound(const Other &t) : BaseClass(t) {}
+
+    using BaseClass::operator =;
+};
+
+} // uLib
+
+
+
+#endif // CLASSCOMPOUND_H

src/Core/ClassFactory.h

@@ -19,12 +19,11 @@ namespace uLib {
 ////////////////////////////////////////////////////////////////////////////////
 // generator //
 
-template <class BaseType, class T>
+template <class T>
-static BaseType * newClass() { return new T; }
+static void * newClass() { return new T; }
-
-
-
 
+template <class T>
+static void * newClass2(void *a1,void *a2) { return new T(a1,a2); }
 
 
 
@@ -34,18 +33,18 @@ static BaseType * newClass() { return new T; }
 
 template <class BaseType>
 class NamedClassFactory {
-    typedef BaseType*(*_newClassfn)();
+    typedef void * (*_newClassfn)();
     typedef std::map<const char*,_newClassfn> MapType;
 
 public:
     template<typename Type>
     void AddType(const char* name) {
-        m_map.insert(std::make_pair(name, &newClass<BaseType,Type>));
+        m_map.insert(std::make_pair(name, &newClass<Type>));
     }
 
     BaseType *Create(const char *type) {
         typename MapType::iterator itr = m_map.find(type);
-        return itr->second();
+        return static_cast<BaseType*>(itr->second());
     }
 
     void List(std::ostream &o) {
@@ -67,7 +66,7 @@ private:
 
 template <class BaseType, typename RegSeqT>
 class RegisteredClassFactory {
-    typedef BaseType*(*_newClassfn)();
+    typedef void *(*_newClassfn)();
     typedef std::vector<_newClassfn> TypeVectorType;
 
     struct AddTypeOp {
@@ -79,7 +78,7 @@ class RegisteredClassFactory {
     };
 
     template < typename T >
-    void addType() { m_map.push_back(&newClass<BaseType,T>); }
+    void addType() { m_map.push_back(&newClass<T>); }
 
 public:
 
@@ -97,7 +96,7 @@ public:
     BaseType *Create() {
         int id = Find<T>();
         typename TypeVectorType::iterator itr = m_map.begin() + id;
-        return (*itr)();
+        return (BaseType *)(*itr)();
     }
 
 private:
@@ -116,12 +115,12 @@ template <
         typename S1
         >
 class RegisteredClassFactory1 {
-    typedef BaseType*(*_newClassfn)();
+    typedef void*(*_newClassfn)();
     typedef std::vector<_newClassfn> TypeVectorType;
 
     template < typename U >
     void addType() { m_map.push_back(&newClass<
-                                               BaseType,
+//                                               BaseType,
                                                DerivedType<U>
                                               >); }
 
@@ -151,7 +150,7 @@ public:
 
     BaseType *Create(int id1) {
         typename TypeVectorType::iterator itr = m_map.begin() + id1;
-        return (*itr)();
+        return (BaseType *)(*itr)();
     }
 
 private:
@@ -174,12 +173,12 @@ template <
         typename S2
         >
 class RegisteredClassFactory2 {
-    typedef BaseType*(*_newClassfn)();
+    typedef void*(*_newClassfn)();
     typedef std::vector<_newClassfn> TypeVectorType;
 
     template < typename U, typename V >
     void addType() { m_map.push_back(&newClass<
-                                               BaseType,
+//                                               BaseType,
                                                DerivedType<U,V>
                                               >); }
 
@@ -196,12 +195,20 @@ class RegisteredClassFactory2 {
     };
 
     typedef mpl::combine_view< mpl::vector<S1,S2> > AlgView;
+
+//    template < typename _T, class _Seq >
+//    static inline int find() {
+//        typedef typename mpl::find<_Seq,_T>::type iter;
+//        return iter::pos::value;
+//    }
+
 public:
 
     RegisteredClassFactory2() {
         mpl::for_each< AlgView >(AddTypeSeqOp(this));
     }
 
+
     template < typename T >
     static inline int FindS1() {
         typedef typename mpl::find<S1,T>::type iter;
@@ -215,9 +222,9 @@ public:
     }
 
 
-    BaseType *Create(int id1, int id2) {
+    BaseType * Create(int id1, int id2) {
         typename TypeVectorType::iterator itr = m_map.begin() + id1 + m_size1 * id2;
-        return (*itr)();
+        return (BaseType *)(*itr)();
     }
 
 private:
@@ -243,12 +250,12 @@ template <
         typename S3
         >
 class RegisteredClassFactory3 {
-    typedef BaseType*(*_newClassfn)();
+    typedef void*(*_newClassfn)();
     typedef std::vector<_newClassfn> TypeVectorType;
 
     template < typename T1, typename T2, typename T3 >
     void addType() { m_map.push_back(&newClass<
-                                               BaseType,
+//                                               BaseType,
                                                DerivedType<T1,T2,T3>
                                               >); }
 
@@ -293,7 +300,7 @@ public:
 
     BaseType *Create(int id1, int id2, int id3) {
         typename TypeVectorType::iterator itr = m_map.begin() + id1 + m_size1 * id2 + m_size1 * m_size3 * id3;
-        return (*itr)();
+        return (BaseType *)(*itr)();
     }
 
 private:

src/Core/Mpl.h

@@ -56,6 +56,9 @@
 
 #include <boost/utility/enable_if.hpp>
 
+
+
+
 /**
  * Max size of nofold inerited capability
  */

src/Core/testing/CMakeLists.txt

@@ -24,6 +24,7 @@ set( TESTS
         ProgrammableAccessorTest
         ClassFactoryTest
         MplSequenceCombinerTest
+        ClassCompoundTest
 )
 
 set(LIBRARIES

src/Core/testing/ClassCompoundTest.cpp

@@ -0,0 +1,215 @@
+/*//////////////////////////////////////////////////////////////////////////////
+// CMT Cosmic Muon Tomography project //////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+
+  Copyright (c) 2014, Universita' degli Studi di Padova, INFN sez. di Padova
+  All rights reserved
+
+  Authors: Andrea Rigoni Garola < andrea.rigoni@pd.infn.it >
+
+  ------------------------------------------------------------------
+  This library is free software;  you  can  redistribute  it  and/or
+  modify it  under the  terms  of  the  GNU  Lesser  General  Public
+  License as published  by  the  Free  Software  Foundation;  either
+  version 3.0 of the License, or (at your option) any later version.
+
+  This library is  distributed in  the hope that it will  be useful,
+  but  WITHOUT ANY WARRANTY;  without  even  the implied warranty of
+  MERCHANTABILITY  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of  the GNU Lesser General  Public
+  License along with this library.
+
+//////////////////////////////////////////////////////////////////////////////*/
+
+#include <iostream>
+
+#include "Core/Vector.h"
+#include "Core/ClassCompound.h"
+
+#include "testing-prototype.h"
+
+using namespace uLib;
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// WORKING EXAMPLE //
+
+namespace Test {
+
+
+class Voxel {
+public:
+    virtual void Set(float) = 0;
+    virtual float Get() const = 0;
+    virtual ~Voxel() {}
+};
+
+class VoxelMean : public Voxel {
+public:
+    VoxelMean() : m_data(0), m_count(0) {}
+    void  Set(float data) { m_data += data; ++m_count; }
+    float Get() const { return m_data / m_count; }
+private:
+    float m_data;
+    int m_count;
+};
+
+class VoxelVal : public Voxel {
+public:
+    VoxelVal() : m_data(0) {}
+    void Set(float data) { m_data = data; }
+    float Get() const { return m_data; }
+private:
+    float m_data;
+};
+
+
+
+
+class VoxCount {
+public:
+    template < class T >
+    int Count(const Vector<T> &ref ) const {
+        return ref.size();
+    }
+};
+
+class VoxCountOver {
+public:
+    VoxCountOver() : m_threshold(0) {}
+
+    template < class T >
+    int Count(const Vector<T> &ref ) const {
+        int count = 0 ;
+        foreach (const T &el, ref) {
+            if( el.Get() >= m_threshold ) ++count;
+        }
+        return count;
+    }
+    float m_threshold;
+};
+
+
+
+
+class VoxelVectorBase {
+public:
+    virtual float Get(int) const = 0;
+    virtual void Set(int,float) = 0;
+    virtual int Size() const = 0;
+    virtual int Count() const = 0;
+    virtual ~VoxelVectorBase() {}
+};
+
+template < class T >
+void copy(T *src, T *dst) { }
+
+void copy(VoxelVectorBase *src, VoxelVectorBase *dst) {
+    for(int i=0; i<src->Size(); ++i) {
+        dst->Set(i,src->Get(i));
+    }
+}
+
+
+template < class VoxType,
+           class CounterType >
+class VoxelVector :
+        public VoxelVectorBase,
+        public ClassCompound< VoxType, CounterType >
+{
+    typedef ClassCompound< VoxType, CounterType > Compound;
+
+public:
+
+    VoxelVector() {}
+
+    template < class Other >
+    VoxelVector(const Other &t) : Compound(t) {
+        // assumes that Other is a voxelvector //
+        for(int i=0; i<t.Size(); ++i) {
+            this->Set(i, t.Get(i));
+        }
+    }
+
+    template < class Other >
+    VoxelVector & operator = (const Other &t) {
+        for(int i=0; i<t.Size(); ++i) {
+            this->Set(i, t.Get(i));
+        }
+        (Compound &)(*this) = t;
+        return *this;
+    }
+
+    using Compound::operator =;
+
+    float Get(int id) const { return m_data[id].Get(); }
+    void Set(int id, float data) {
+        if(id >= Size()) m_data.resize(id+1);
+        m_data[id].Set(data);
+    }
+    int Size() const { return m_data.size(); }
+    int Count() const {
+        return CounterType::Count(m_data);
+    }
+private:
+    friend class VoxelVectorFactory;
+    Vector<VoxType> m_data;
+};
+
+
+} // Test
+
+
+using namespace Test;
+
+
+
+int main() {
+
+    VoxelVector< VoxelMean, VoxCountOver > img;
+    img.Set(0,555);
+    img.Set(1,23);
+    img.Set(1,25);
+    img.Set(2,68);
+
+    img.A1::m_threshold = 50;
+
+    std::cout << "-> ";
+    for(int i=0; i<3; ++i) {
+        std::cout << img.Get(i) << " ";
+    }
+    std::cout << " count: " << img.Count() << "\n";
+
+
+    VoxelVector< VoxelVal, VoxCountOver > img2 = img;
+
+    img2.Set(1,0);
+
+    std::cout << "-> ";
+    for(int i=0; i<3; ++i) {
+        std::cout << img2.Get(i) << " ";
+    }
+    std::cout << " count threshold: " << img2.A1::m_threshold << " ";
+    std::cout << " count: " << img2.Count() << "\n";
+
+
+
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

src/Core/testing/ClassFactoryTest.cpp

@@ -24,133 +24,23 @@
 //////////////////////////////////////////////////////////////////////////////*/
 
 #include <iostream>
+
+//#include "boost/preprocessor.hpp"
+//#include "boost/preprocessor/repetition.hpp"
+
 #include "Core/MplSequenceCombiner.h"
+
+#include "Core/ClassCompound.h"
+
 #include "Core/ClassFactory.h"
 #include "Core/Serializable.h"
 
-
-
 #include "testing-prototype.h"
 
 using namespace uLib;
 
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-//namespace {
-class Base {
-public:
-    Base() {}
-    Base(const Base &copy) {}
-
-    virtual void Go() {}
-};
-
-class Derived : public Base {
-public:
-    void Go() { std::cout << "Derived Go\n"; }
-};
-
-class Derived2 : public Base {
-public:
-    void Go() { std::cout << "Derived2 Go\n"; }
-};
-
-class Derived3 : public Base {
-public:
-    void Go() { std::cout << "Derived3 Go\n"; }
-};
-
-class Derived4 : public Base {
-public:
-    void Go() { std::cout << "Derived4 Go\n"; }
-};
-
-
-template <
-        class A1,
-        class A2
-        >
-class AlgHolder : public Base {
-    A1 m_a1;
-    A2 m_a2;
-public:
-    void Go() {
-        std::cout << "AlgHolder Go: \n";
-        std::cout << " A1 -> "; m_a1.Go();
-        std::cout << " A2 -> "; m_a2.Go();
-    }
-};
-
-//}
-
-
-
-
-
-typedef mpl::vector< Derived, Derived2, Derived3, Derived4 > seq;
-
-
-class ProgrammableAlgHolder {
-public:
-    ProgrammableAlgHolder() : m_id1(0), m_id2(0)
-    { m_base = m_factory.Create(0,0); }
-
-    template < typename T >
-    void SetA1(const T *alg = NULL) {
-        int id = m_factory.FindS1<T>();
-        Base * newbase = m_factory.Create(id,m_id2);
-        *newbase = *m_base;
-        delete m_base;
-        m_base = newbase;
-    }
-
-    template < typename T >
-    void SetA2(const T *alg = NULL) {
-        int id = m_factory.FindS2<T>();
-        Base * newbase = m_factory.Create(m_id1,id);
-        *newbase = *m_base;
-        delete m_base;
-        m_base = newbase;
-    }
-
-    Base * operator -> () { return m_base; }
-
-private:
-    RegisteredClassFactory2<Base, AlgHolder, seq, seq> m_factory;
-    int    m_id1, m_id2;
-    Base * m_base;
-};
-
-
-
-//int main() {
-//    ProgrammableAlgHolder ah;
-//    ah.SetA1<Derived4>();
-//    ah->Go();
-
-//    return 0;
-//}
-
-
-
-
 ////////////////////////////////////////////////////////////////////////////////
 // WORKING EXAMPLE //
 
@@ -190,7 +80,7 @@ private:
 class VoxCount {
 public:
     template < class T >
-    int Count(const Vector<T> &ref ) {
+    int Count(const Vector<T> &ref ) const {
         return ref.size();
     }
 };
@@ -200,7 +90,7 @@ public:
     VoxCountOver() : m_threshold(0) {}
 
     template < class T >
-    int Count(const Vector<T> &ref ) {
+    int Count(const Vector<T> &ref ) const {
         int count = 0 ;
         foreach (const T &el, ref) {
             if( el.Get() >= m_threshold ) ++count;
@@ -236,6 +126,16 @@ template < class VoxType,
            class CounterType >
 class VoxelVector : public VoxelVectorBase {
 public:
+
+    VoxelVector() {} // remove?
+    VoxelVector( const VoxType *A1, const CounterType *A2 ) {
+        (void) A1;
+        SetA2(A2);
+    }
+
+    void * GetA2() { return &m_counter; }
+    void   SetA2(const void *A2) { m_counter = *A2; }
+
     float Get(int id) const { return m_data[id].Get(); }
     void Set(int id, float data) {
         if(id >= Size()) m_data.resize(id+1);
@@ -250,11 +150,18 @@ private:
 };
 
 
-
-
 class VoxelVectorFactory {
 public:
-    VoxelVectorFactory() : m_id1(0), m_id2(0) { m_base = m_factory.Create(0,0); }
+    VoxelVectorFactory() :
+        m_id1(0), m_id2(0)
+    {
+        m_base = m_factory.Create(0,0);
+    }
+
+    ~VoxelVectorFactory() {
+        delete m_base;
+    }
+
     VoxelVectorBase * operator -> () const { return m_base; }
 
     template < typename T >
@@ -262,6 +169,9 @@ public:
         int id = m_factory.FindS1<T>();
         VoxelVectorBase * newbase = m_factory.Create(id,m_id2);
         Test::copy(m_base,newbase); // *newbase = *m_base;
+
+        //
+
         delete m_base;
         m_base = newbase;
     }
@@ -271,7 +181,9 @@ public:
         int id = m_factory.FindS2<T>();
         VoxelVectorBase * newbase = m_factory.Create(m_id1,id);
         Test::copy(m_base,newbase); // *newbase = *m_base;
-        // ????? come copiare i membri ???? ////
+
+        //
+
         delete m_base;
         m_base = newbase;
     }
@@ -289,22 +201,41 @@ private:
 
 
 
+
+struct B1 {
+    B1() : m_b1(1) {}
+    int m_b1;
+};
+
+struct B2 {
+    B2() : m_b2(2) {}
+    int m_b2;
+};
+
+struct B3 {
+    B3() : m_b3(3) {}
+    int m_b3;
+};
+
+struct B3b {
+    B3b() : m_b3(3) {}
+    int m_b3; // learn to handle ambiguity ..
+};
+
+
 int main() {
-    Test::VoxelVectorFactory factory;
 
-    for(int i=0; i<10; ++i)
+    ClassCompound< B1, B2 > h1;
-        factory->Set(i,i);
+    ClassCompound< B2, B3, B1 > h2;
-
-    factory.SetVoxel<Test::VoxelVal>();
-
-    for(int i=0; i<10; ++i)
-        std::cout << factory->Get(i) << " ";
-    std::cout << "\n";
-
-    std::cout << "vox count = " << factory->Count() << "\n";
 
 
+    h1.A0::m_b1 = 111;
+    h1.A1::m_b2 = 222;
 
+    h2 = h1;
+
+    std::cout << "h1: " << h1.A0::m_b1 << " " << h1.A1::m_b2 << "\n";
+    std::cout << "h2: " << h2.A0::m_b2 << " " << h2.A1::m_b3 << "\n";
 
 }