gdcmCSAElement.h

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/*=========================================================================
 
  Program: GDCM (Grassroots DICOM). A DICOM library
 
  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef GDCMCSAELEMENT_H
#define GDCMCSAELEMENT_H
 
#include "gdcmTag.h"
#include "gdcmVM.h"
#include "gdcmVR.h"
#include "gdcmByteValue.h"
#include "gdcmSmartPointer.h"
 
namespace gdcm
{
class GDCM_EXPORT CSAElement
{
public:
  CSAElement(unsigned int kf = 0):KeyField(kf) {}
 
  friend std::ostream& operator<<(std::ostream &os, const CSAElement &val);
 
  unsigned int GetKey() const { return KeyField; }
  void SetKey(unsigned int key) { KeyField = key; }
 
  const char *GetName() const { return NameField.c_str(); }
  void SetName(const char *name) { NameField = name; }
 
  const VM& GetVM() const { return ValueMultiplicityField; }
  void SetVM(const VM &vm) { ValueMultiplicityField = vm; }
 
  VR const &GetVR() const { return VRField; }
  void SetVR(VR const &vr) { VRField = vr; }
 
  unsigned int GetSyngoDT() const { return SyngoDTField; }
  void SetSyngoDT(unsigned int syngodt) { SyngoDTField = syngodt; }
 
  unsigned int GetNoOfItems() const { return NoOfItemsField; }
  void SetNoOfItems(unsigned int items) { NoOfItemsField = items; }
 
  Value const &GetValue() const { return *DataField; }
  Value &GetValue() { return *DataField; }
  void SetValue(Value const & vl) {
    //assert( DataField == 0 );
    DataField = vl;
  }
  bool IsEmpty() const { return DataField == nullptr; }
 
  void SetByteValue(const char *array, VL length)
    {
    ByteValue *bv = new ByteValue(array,length);
    SetValue( *bv );
    }
  const ByteValue* GetByteValue() const {
    // Get the raw pointer from the gdcm::SmartPointer
    const ByteValue *bv = dynamic_cast<const ByteValue*>(DataField.GetPointer());
    return bv; // Will return NULL if not ByteValue
  }
 
  CSAElement(const CSAElement &_val)
    {
    if( this != &_val)
      {
      *this = _val;
      }
    }
 
  bool operator<(const CSAElement &de) const
    {
    return GetKey() < de.GetKey();
    }
  CSAElement &operator=(const CSAElement &de)
    = default;
 
  bool operator==(const CSAElement &de) const
    {
    return KeyField == de.KeyField
      && NameField == de.NameField
      && ValueMultiplicityField == de.ValueMultiplicityField
      && VRField == de.VRField
      && SyngoDTField == de.SyngoDTField
      //&& ValueField == de.ValueField;
      ;
    }
 
protected:
  unsigned int KeyField;
  std::string NameField;
  VM ValueMultiplicityField;
  VR VRField;
  unsigned int SyngoDTField;
  unsigned int NoOfItemsField;
  typedef SmartPointer<Value> DataPtr;
  DataPtr DataField;
};
//-----------------------------------------------------------------------------
inline std::ostream& operator<<(std::ostream &os, const CSAElement &val)
{
  os << val.KeyField;
  os << " - '" << val.NameField;
  os << "' VM " << val.ValueMultiplicityField;
  os << ", VR " << val.VRField;
  os << ", SyngoDT " << val.SyngoDTField;
  os << ", NoOfItems " << val.NoOfItemsField;
  os << ", Data ";
  if( val.DataField )
    {
    //val.DataField->Print( os << "'" );
    const ByteValue * bv = dynamic_cast<ByteValue*>(&*val.DataField);
    assert( bv );
    const char * p = bv->GetPointer();
    std::string str(p, p + bv->GetLength() );
    if( val.ValueMultiplicityField == VM::VM1 )
      {
      os << "'" << str.c_str() << "'";
      }
    else
      {
      std::istringstream is( str );
      std::string s;
      bool sep = false;
      while( std::getline(is, s, '\\' ) )
        {
        if( sep )
          {
          os << '\\';
          }
        sep = true;
        os << "'" << s.c_str() << "'";
        }
      //bv->Print( os << "'" );
      //os << "'";
      }
    }
  return os;
}
 
} // end namespace gdcm
 
#endif //GDCMCSAELEMENT_H