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 #include "insets/insetbase.h"
  16
  17 #include <utility>
  18
  19
  20 MathAtom::MathAtom()
  21         : nucleus_(0)
  22 {}
  23
  24
  25 MathAtom::MathAtom(InsetBase * p)
  26         : nucleus_(static_cast<MathInset *>(p))
  27 {}
  28
  29
  30 MathAtom::MathAtom(MathAtom const & at)
  31         : nucleus_(0)
  32 {
  33         if (at.nucleus_)
  34                 nucleus_ = static_cast<MathInset*>(at.nucleus_->clone().release());
  35 }
  36
  37
  38 void MathAtom::operator=(MathAtom const & at)
  39 {
  40         if (&at == this)
  41                 return;
  42         MathAtom tmp(at);
  43         std::swap(tmp.nucleus_, nucleus_);
  44 }
  45
  46
  47 MathAtom::~MathAtom()
  48 {
  49         delete nucleus_;
  50 }