Param.cxx

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// $Id: Param.cxx,v 1.1 2007/02/09 05:38:27 fmwk Exp $
//
//
//
// messier@indiana.edu
#include "Config/Param.h"

//......................................................................

namespace cfg {
  std::ostream& operator<<(std::ostream& os, const Param& p) 
  {
    p.Print(os); 
    return os;
  }
}

//......................................................................

const char* cfg::Param::XMLTag() const 
{
//
// Return a recommended xml tag for this data type
//
  static const std::type_info& bool_id   = typeid(bool);
  static const std::type_info& char_id   = typeid(char);
  static const std::type_info& short_id  = typeid(short);
  static const std::type_info& int_id     =typeid(int);
  static const std::type_info& uchar_id   =typeid(unsigned char);
  static const std::type_info& ushort_id  =typeid(unsigned short);
  static const std::type_info& uint_id    =typeid(unsigned int);
  static const std::type_info& float_id   =typeid(float);
  static const std::type_info& double_id  =typeid(double);
  static const std::type_info& string_id  =typeid(std::string);
  static const std::type_info& boolv_id   =typeid(std::vector<bool>);
  static const std::type_info& charv_id   =typeid(std::vector<char>);
  static const std::type_info& shortv_id  =typeid(std::vector<short>);
  static const std::type_info& intv_id    =typeid(std::vector<int>);
  static const std::type_info& ucharv_id  =typeid(std::vector<unsigned char>);
  static const std::type_info& ushortv_id =typeid(std::vector<unsigned short>);
  static const std::type_info& uintv_id   =typeid(std::vector<unsigned int>);
  static const std::type_info& floatv_id  =typeid(std::vector<float>);
  static const std::type_info& doublev_id =typeid(std::vector<double>);
  static const std::type_info& stringv_id =typeid(std::vector<std::string>);

  if (bool_id   == this->fDataType()) return "bool";
  if (char_id   == this->fDataType()) return "char";
  if (short_id  == this->fDataType()) return "short";
  if (int_id    == this->fDataType()) return "int";
  if (uint_id   == this->fDataType()) return "uint";
  if (uchar_id  == this->fDataType()) return "uchar";
  if (ushort_id == this->fDataType()) return "ushort";
  if (uint_id   == this->fDataType()) return "uint";
  if (float_id  == this->fDataType()) return "float";
  if (double_id == this->fDataType()) return "double";
  if (string_id == this->fDataType()) return "string";

  if (boolv_id   == this->fDataType()) return "bool";
  if (charv_id   == this->fDataType()) return "char";
  if (shortv_id  == this->fDataType()) return "short";
  if (intv_id    == this->fDataType()) return "int";
  if (uintv_id   == this->fDataType()) return "uint";
  if (ucharv_id  == this->fDataType()) return "uchar";
  if (ushortv_id == this->fDataType()) return "ushort";
  if (uintv_id   == this->fDataType()) return "uint";
  if (floatv_id  == this->fDataType()) return "float";
  if (doublev_id == this->fDataType()) return "double";
  if (stringv_id == this->fDataType()) return "string";
  
  return "?";
}

//......................................................................

cfg::Param::Param() :
  fName         ( "<null>" ),
  fComment      ( "" ),
  fData         ( 0 ),
  fDataType     ( 0 ),
  fDataDelete   ( 0 ),
  fDataCopyCons ( 0 ),
  fDataCopy     ( 0 ),
  fDataPrint    ( 0 )
{ }

//......................................................................

cfg::Param::Param(const cfg::Param& p) :
  fName         ( p.fName    ),
  fComment      ( p.fComment ),
  fData         ( 0 ),
  fDataType     ( p.fDataType     ),
  fDataDelete   ( p.fDataDelete   ),
  fDataCopyCons ( p.fDataCopyCons ),
  fDataCopy     ( p.fDataCopy     ),
  fDataPrint    ( p.fDataPrint    )
{
  fDataCopyCons(&fData, p.fData);
}

//......................................................................

cfg::Param::Param(const char* name, const char* comment) :
  fName         ( name ),
  fComment      ( comment ),
  fData         ( 0 ),
  fDataType     ( 0 ),
  fDataDelete   ( 0 ),
  fDataCopyCons ( 0 ),
  fDataCopy     ( 0 ),
  fDataPrint    ( 0 )
{ }

//......................................................................

cfg::Param::~Param() 
{ 
  if (fData) {
    fDataDelete(fData); 
    fData = 0;
  }
}

//......................................................................

const char* cfg::Param::GetName() const { return fName.c_str(); }

//......................................................................

const char* cfg::Param::GetComment() const { return fComment.c_str(); }

//......................................................................

void cfg::Param::Print(std::ostream& os) const { fDataPrint(os, fData); }

//......................................................................

cfg::Param& cfg::Param::operator=(const cfg::Param& rhs) 
{
//======================================================================
// Copy operation
//======================================================================
  // Avoid self-copy
  if (&rhs == this) return *this;
  
  // Copy the name and comments over
  fName    = rhs.fName;
  fComment = rhs.fComment;
  
  // Copy the data handlers
  fDataType     = rhs.fDataType;
  fDataDelete   = rhs.fDataDelete;
  fDataCopyCons = rhs.fDataCopyCons;
  fDataCopy     = rhs.fDataCopy;
  fDataPrint    = rhs.fDataPrint;
  
  // Delete the data from the left-hand side and reallocate it using the
  // copy constructor
  if (fData) { fDataDelete(fData); fData = 0; }
  fDataCopyCons(&fData, rhs.fData);

  return *this;
}

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