initial and long-awaited import of MathML for Roger Sidje and his crew

git-svn-id: svn://10.0.0.236/trunk@48481 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/layout/mathml/content/src/nsMathMLAtoms.cpp

@@ -0,0 +1,70 @@
+/*
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is Mozilla MathML Project.
+ * 
+ * The Initial Developer of the Original Code is The University Of 
+ * Queensland.  Portions created by The University Of Queensland are
+ * Copyright (C) 1999 The University Of Queensland.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ *   Roger B. Sidje <rbs@maths.uq.edu.au>
+ *   (Following the model of the Gecko team)
+ */
+
+#include "nsString.h"
+#include "nsINameSpaceManager.h"
+#include "nsMathMLAtoms.h"
+
+static const char kMathMLNameSpace[] = "http://www.w3.org/Math/MathML";
+
+PRInt32  nsMathMLAtoms::nameSpaceID;
+
+// define storage for all atoms
+#define MATHML_ATOM(_name, _value) nsIAtom* nsMathMLAtoms::_name;
+#include "nsMathMLAtomList.h"
+#undef MATHML_ATOM
+
+
+static nsrefcnt gRefCnt;
+static nsINameSpaceManager* gNameSpaceManager;
+
+void nsMathMLAtoms::AddRefAtoms() {
+
+  if (gRefCnt == 0) {
+    /* MathML Atoms registers the MathML name space ID because it's a convenient
+       place to do this, if you don't want a permanent, "well-known" ID.
+    */
+    if (NS_SUCCEEDED(NS_NewNameSpaceManager(&gNameSpaceManager)))
+//    gNameSpaceManager->CreateRootNameSpace(namespace);
+      gNameSpaceManager->RegisterNameSpace(kMathMLNameSpace, nameSpaceID);
+    else
+      NS_ASSERTION(0, "failed to create MathML atoms namespace manager");
+
+    // now register the atoms
+#define MATHML_ATOM(_name, _value) _name = NS_NewAtom(_value);
+#include "nsMathMLAtomList.h"
+#undef MATHML_ATOM
+  }
+  ++gRefCnt;
+}
+
+void nsMathMLAtoms::ReleaseAtoms() {
+
+  NS_PRECONDITION(gRefCnt != 0, "bad release of MathML atoms");
+  if (--gRefCnt == 0) {
+#define MATHML_ATOM(_name, _value) NS_RELEASE(_name);
+#include "nsMathMLAtomList.h"
+#undef MATHML_ATOM
+
+    NS_IF_RELEASE(gNameSpaceManager);
+  }
+}