X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_atom.C;h=bd5cda75be3aec9bbe5a9d2be7819ba77e7e862a;hb=07cc9f67534474b167ca1ea727bda643fdd8d197;hp=57acb4a0a7d9b8a113eaeb2c822604f121e6df67;hpb=c0ef23bc2a2f2b3bd6c3520e0c0bd6223bb1a1a2;p=lyx.git

diff --git a/src/mathed/math_atom.C b/src/mathed/math_atom.C
index 57acb4a0a7..bd5cda75be 100644
--- a/src/mathed/math_atom.C
+++ b/src/mathed/math_atom.C
@@ -1,27 +1,19 @@
-/*
- *  File:        math_inset.C
- *  Purpose:     Implementation of insets for mathed
- *  Author:      Alejandro Aguilar Sierra <asierra@servidor.unam.mx> 
- *  Created:     January 1996
- *  Description: 
+/**
+ * \file math_atom.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *  Dependencies: Xlib, XForms
+ * \author André Pönitz
  *
- *  Copyright: 1996, 1997 Alejandro Aguilar Sierra
- *
- *   Version: 0.8beta.
- *
- *   You are free to use and modify this code under the terms of
- *   the GNU General Public Licence version 2 or later.
+ * Full author contact details are available in file CREDITS.
  */
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include <config.h>
 
 #include "math_atom.h"
 #include "math_inset.h"
-#include "support/LAssert.h"
+
+using std::swap;
 
 
 MathAtom::MathAtom()
@@ -29,55 +21,29 @@ MathAtom::MathAtom()
 {}
 
 
-MathAtom::MathAtom(MathInset * p)
-	: nucleus_(p)
+MathAtom::MathAtom(InsetBase * p)
+	: nucleus_(static_cast<MathInset *>(p))
 {}
 
 
-MathAtom::MathAtom(MathAtom const & p)
+MathAtom::MathAtom(MathAtom const & at)
+	: nucleus_(0)
 {
-	copy(p);
+	if (at.nucleus_)
+		nucleus_ = static_cast<MathInset*>(at.nucleus_->clone().release());
 }
 
 
-void MathAtom::operator=(MathAtom const & p)
+void MathAtom::operator=(MathAtom const & at)
 {
-	if (this != &p) {
-		done();
-		copy(p);
-	}
+	if (&at == this)
+		return;
+	MathAtom tmp(at);
+	swap(tmp.nucleus_, nucleus_);
 }
 
 
 MathAtom::~MathAtom()
-{
-	done();
-}
-
-
-void MathAtom::done()
 {
 	delete nucleus_;
 }
-
-
-void MathAtom::copy(MathAtom const & p)
-{
-	//cerr << "calling MathAtom::copy\n";
-	nucleus_   = p.nucleus_;
-	if (nucleus_)
-		nucleus_ = nucleus_->clone();
-}
-
-
-MathInset * MathAtom::nucleus() const
-{
-	lyx::Assert(nucleus_);
-	return nucleus_;
-}
-
-
-MathInset * MathAtom::operator->() const
-{
-	return nucleus();
-}