src/mathed/math_atom.C

   1 /**
   2  * \file math_atom.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "math_atom.h"
  14 #include "math_inset.h"
  15
  16 using std::swap;
  17
  18
  19 MathAtom::MathAtom()
  20         : nucleus_(0)
  21 {}
  22
  23
  24 MathAtom::MathAtom(InsetBase * p)
  25         : nucleus_(static_cast<MathInset *>(p))
  26 {}
  27
  28
  29 MathAtom::MathAtom(MathAtom const & at)
  30         : nucleus_(0)
  31 {
  32         if (at.nucleus_)
  33                 nucleus_ = static_cast<MathInset*>(at.nucleus_->clone().release());
  34 }
  35
  36
  37 MathAtom & MathAtom::operator=(MathAtom const & at)
  38 {
  39         if (&at == this)
  40                 return *this;
  41         MathAtom tmp(at);
  42         swap(tmp.nucleus_, nucleus_);
  43         return *this;
  44 }
  45
  46
  47 MathAtom::~MathAtom()
  48 {
  49         delete nucleus_;
  50 }