localevaluation.hh

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#ifndef __RVL_LDCEVAL
#define __RVL_LDCEVAL

#include "localdata.hh"

namespace RVL {

  template<class DataType>
  class LocalEvaluation {
  public:
    LocalEvaluation() {}
    LocalEvaluation(const LocalEvaluation<DataType> &) {}
    virtual ~LocalEvaluation() {}
    virtual void operator()(LocalDataContainer<DataType> & target,
                vector<LocalDataContainer<DataType> const *> & sources) = 0;
  };

  template<class DataType> 
  class LocalFunctionObject
    : public FunctionObject, public LocalEvaluation<DataType> {
  public:
    LocalFunctionObject() {}
    LocalFunctionObject(const LocalFunctionObject<DataType> &) {}
    virtual ~LocalFunctionObject() {}
  };
    
  template<class DataType>
  class UnaryLocalEvaluation: public LocalEvaluation<DataType> {
  public:
    UnaryLocalEvaluation() {}
    UnaryLocalEvaluation(const UnaryLocalEvaluation<DataType> &) {}
    virtual ~UnaryLocalEvaluation() {}

    virtual void operator () (LocalDataContainer<DataType> & target) = 0;

    using LocalEvaluation<DataType>::operator();
    virtual void operator()(LocalDataContainer<DataType> & target,
                vector<LocalDataContainer<DataType> const *> & sources) {
      try {
    if (sources.size() != 0) {
      RVLException e;
      e<<"Error: UnaryLocalEvaluation::operator() (generic)\n";
      e<<"vector of sources not of length zero\n";
      throw e;
    }
    (*this)(target);
      }
      catch (RVLException & e) {
    e<<"\ncalled from UnaryLocalEvaluation::operator() (generic)\n";
    throw e;
      }
    }
  };

  template<class DataType>
  class UnaryLocalFunctionObject
    : public FunctionObject, public UnaryLocalEvaluation<DataType> {
  public:
    UnaryLocalFunctionObject() {}
    UnaryLocalFunctionObject(const UnaryLocalFunctionObject<DataType> &) {}
    virtual ~UnaryLocalFunctionObject() {}
  };

  template<class DataType>
  class BinaryLocalEvaluation: public LocalEvaluation<DataType> {
  public:
    BinaryLocalEvaluation() {}
    BinaryLocalEvaluation(const BinaryLocalEvaluation<DataType> &) {}
    virtual ~BinaryLocalEvaluation() {}
    using LocalEvaluation<DataType>::operator();
    virtual void operator () (LocalDataContainer<DataType> & target,
                  LocalDataContainer<DataType> const & source) = 0;

    void operator()(LocalDataContainer<DataType> & target,
            vector<LocalDataContainer<DataType> const *> & sources) {
      try {
    if (sources.size() != 1) {
      RVLException e;
      e<<"Error: BinaryLocalFunctionObject::operator() (generic)\n";
      e<<"vector of sources not of length zero\n";
      throw e;
    }
    (*this)(target,*(sources[0]));
      }
      catch (RVLException & e) {
    e<<"\ncalled from BinaryLocalFunctionObject::operator() (generic)\n";
    throw e;
      }
    }
  };

  template<class DataType>
  class BinaryLocalFunctionObject
    : public FunctionObject, public BinaryLocalEvaluation<DataType> {
  public:
    BinaryLocalFunctionObject() {}
    BinaryLocalFunctionObject(const BinaryLocalFunctionObject<DataType> &) {}
    virtual ~BinaryLocalFunctionObject() {}
  };

  template<class DataType>
  class TernaryLocalEvaluation: public LocalEvaluation<DataType> {
  public:
    TernaryLocalEvaluation() {}
    TernaryLocalEvaluation(const TernaryLocalEvaluation<DataType> &) {}
    virtual ~TernaryLocalEvaluation() {}

    using LocalEvaluation<DataType>::operator();
    virtual void operator () (LocalDataContainer<DataType> & target,
                  LocalDataContainer<DataType> const & source1,
                  LocalDataContainer<DataType> const & source2) = 0;

    virtual void operator()(LocalDataContainer<DataType> & target,
                vector<LocalDataContainer<DataType> const *> & sources) {
      try {
    if (sources.size() != 2) {
      RVLException e;
      e<<"Error: TernaryLocalFunctionObject::operator() (generic)\n";
      e<<"vector of sources not of length 2\n";
      throw e;
    }
    (*this)(target,*(sources[0]),*(sources[1]));
      }
      catch (RVLException & e) {
    e<<"\ncalled from TernaryLocalFunctionObject::operator() (generic)\n";
    throw e;
      }
    }
  };

  template<class DataType>
  class TernaryLocalFunctionObject: 
    public FunctionObject, public TernaryLocalEvaluation<DataType> {
  public:
    TernaryLocalFunctionObject() {}
    TernaryLocalFunctionObject(const TernaryLocalFunctionObject<DataType> &) {}
    virtual ~TernaryLocalFunctionObject() {}
  };

  template<class DataType>
  class QuaternaryLocalEvaluation: public LocalEvaluation<DataType> {
  public:
    QuaternaryLocalEvaluation() {}
    QuaternaryLocalEvaluation(const QuaternaryLocalEvaluation<DataType> &) {}
    virtual ~QuaternaryLocalEvaluation() {}

    using LocalEvaluation<DataType>::operator();
    virtual void operator () (LocalDataContainer<DataType> & target,
                  LocalDataContainer<DataType> const & source1,
                  LocalDataContainer<DataType> const & source2,
                  LocalDataContainer<DataType> const & source3) = 0;

    virtual void operator()(LocalDataContainer<DataType> & target,
                vector<LocalDataContainer<DataType> const *> & sources) {
      try {
    if (sources.size() != 3) {
      RVLException e;
      e<<"Error: QuaternaryLocalFunctionObject::operator() (generic)\n";
      e<<"vector of sources not of length 3\n";
      throw e;
    }
    (*this)(target,*(sources[0]),*(sources[1]),*(sources[2]));
      }
      catch (RVLException & e) {
    e<<"\ncalled from QuaternaryLocalFunctionObject::operator() (generic)\n";
    throw e;
      }
    }

  };

  template<class DataType>
  class QuaternaryLocalFunctionObject: 
    public FunctionObject, public QuaternaryLocalEvaluation<DataType> {
  public:
    QuaternaryLocalFunctionObject() {}
    QuaternaryLocalFunctionObject(const QuaternaryLocalFunctionObject<DataType> &) {}
    virtual ~QuaternaryLocalFunctionObject() {}
  };

}

#endif

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