fei_FieldMask.hpp

/*--------------------------------------------------------------------*/
/*    Copyright 2005 Sandia Corporation.                              */
/*    Under the terms of Contract DE-AC04-94AL85000, there is a       */
/*    non-exclusive license for use of this work by or on behalf      */
/*    of the U.S. Government.  Export of this program may require     */
/*    a license from the United States Government.                    */
/*--------------------------------------------------------------------*/
 
#ifndef _fei_FieldMask_hpp_
#define _fei_FieldMask_hpp_
 
#include "fei_macros.hpp"
 
#include <vector>
 
namespace fei {
 
  class FieldMask {
  public:
    FieldMask();
 
    FieldMask(const FieldMask& fm);
 
    FieldMask(int numFields,
        const int* fieldIDs,
        const int* fieldSizes);
 
    virtual ~FieldMask();
 
    int getMaskID() { return( maskID_ ); }
 
    static int calculateMaskID(int numFields,
             const int* fieldIDs);
 
    static int calculateMaskID(const FieldMask& fm,
             int fieldID);
 
    void addField(int fieldID,
      int fieldSize);
 
    bool hasFieldID(int fieldID) const
    {
      for(size_t i=0; i<fieldIDs_.size(); ++i)
        if (fieldIDs_[i] == fieldID) return true;
      return false;
    }
 
    size_t getNumFields() const { return(fieldIDs_.size()); }
 
    int getNumIndices() const { return( numIndices_ ); }
 
    void setNumIndices(int numInd) { numIndices_ = numInd; }
 
    std::vector<int>& getFieldIDs() { return(fieldIDs_); }
 
    const std::vector<int>& getFieldIDs() const { return(fieldIDs_); }
 
    std::vector<int>& getFieldSizes() { return(fieldSizes_); }
 
    const std::vector<int>& getFieldSizes() const { return(fieldSizes_); }
 
    int getFieldEqnOffset(int fieldID, int& offset) const;
 
    bool operator==(const FieldMask& fm) const
      { return( maskID_ == fm.maskID_ ); }
 
    bool operator!=(const FieldMask& fm) const
      { return( maskID_ != fm.maskID_ ); }
 
    bool isSubSetOf(const FieldMask& fm) const
      {
        for(unsigned i=0; i<fieldIDs_.size(); ++i) {
          if (!fm.hasFieldID(fieldIDs_[i])) return(false);
        }
        return(true);
      }
 
  private:
    FieldMask& operator=(const FieldMask& src);
 
    int calculateMaskID();
 
    int maskID_;
 
    std::vector<int> fieldIDs_;
    std::vector<int> fieldSizes_;
    std::vector<int> fieldEqnOffsets_;
 
    int numFields_;
    int numIndices_;
  };
 
} //namespace fei
 
#endif // _fei_FieldMask_hpp_