Provide node type with more analysis capabilities

Change-Id: I3b3b866a9fdf0b5d0b9f40c0ce9bddbaf2c0b1ca
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112235
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

2 files changed, 98 insertions, 15 deletions

diff --git a/starmath/inc/node.hxx b/starmath/inc/node.hxx
index 8d21a63dd508..acbedccc7c2a 100644
--- a/starmath/inc/node.hxx
+++ b/starmath/inc/node.hxx
@@ -65,6 +65,7 @@
 #include "token.hxx"
 #include "rect.hxx"
 #include "format.hxx"
+#include "nodetype.hxx"
 
 enum class FontAttribute {
     None   = 0x0000,
@@ -117,21 +118,6 @@ enum class SmScaleMode
     Height
 };
 
-enum class SmNodeType
-{
-/* 0*/ Table,       Brace,         Bracebody,     Oper,        Align,
-/* 5*/ Attribute,   Font,          UnHor,         BinHor,      BinVer,
-/*10*/ BinDiagonal, SubSup,        Matrix,        Place,       Text,
-/*15*/ Special,     GlyphSpecial,  Math,          Blank,       Error,
-/*20*/ Line,        Expression,    PolyLine,      Root,        RootSymbol,
-/*25*/ Rectangle,   VerticalBrace, MathIdent
-};
-
-namespace starmathdatabase
-{
-bool isStructuralNode(SmNodeType ntype);
-}
-
 class SmNode : public SmRect
 {
 
diff --git a/starmath/inc/nodetype.hxx b/starmath/inc/nodetype.hxx
new file mode 100644
index 000000000000..f59e02895d4f
--- /dev/null
+++ b/starmath/inc/nodetype.hxx
@@ -0,0 +1,97 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+/**
+   * This file provides definition for the nodetypes.
+   * Also provides analysis of the node functions
+   */
+
+enum class SmNodeType : int_fast16_t
+{
+    Table, // tree header
+    Brace, // () [] {}
+    Bracebody, // content of () [] {}
+    Oper, // largeop
+    Align, // alignment
+    Attribute, // attributes
+    Font, // fonts
+    UnHor, // unmo
+    BinHor, // binmo
+    BinVer, // over frac
+    BinDiagonal, // slash
+    SubSup, // lsub lsup rsub rsup csub csup
+    Matrix, // binom matrix
+    Place, // <?>
+    Text, // "text"
+    Special, // %glyph
+    GlyphSpecial, // %glyph
+    Math, // operator value
+    Blank, // ~
+    Error, // Syntax error
+    Line, // a line of math untill newline
+    Expression, // { content in here }
+    PolyLine, // ^
+    Root, // root node
+    RootSymbol, // 3 of cubic root
+    Rectangle, //just structual
+    VerticalBrace, // vertical {}
+    MathIdent // identities and variables
+};
+
+namespace starmathdatabase
+{
+inline bool isStructuralNode(SmNodeType aNodeTypeName)
+{
+    return aNodeTypeName == SmNodeType::Table || aNodeTypeName == SmNodeType::Line
+           || aNodeTypeName == SmNodeType::UnHor || aNodeTypeName == SmNodeType::BinHor
+           || aNodeTypeName == SmNodeType::BinVer || aNodeTypeName == SmNodeType::BinDiagonal
+           || aNodeTypeName == SmNodeType::SubSup || aNodeTypeName == SmNodeType::Matrix
+           || aNodeTypeName == SmNodeType::Root || aNodeTypeName == SmNodeType::Expression
+           || aNodeTypeName == SmNodeType::Brace || aNodeTypeName == SmNodeType::Bracebody
+           || aNodeTypeName == SmNodeType::Oper || aNodeTypeName == SmNodeType::Align
+           || aNodeTypeName == SmNodeType::Attribute || aNodeTypeName == SmNodeType::Font;
+}
+
+inline bool isBinOperatorNode(SmNodeType aNodeTypeName)
+{
+    return aNodeTypeName == SmNodeType::BinHor || aNodeTypeName == SmNodeType::BinVer
+           || aNodeTypeName == SmNodeType::BinDiagonal || aNodeTypeName == SmNodeType::SubSup;
+}
+
+inline bool isUnOperatorNode(SmNodeType aNodeTypeName)
+{
+    return aNodeTypeName == SmNodeType::UnHor;
+}
+
+inline bool isOperatorNode(SmNodeType aNodeTypeName)
+{
+    return aNodeTypeName == SmNodeType::BinHor || aNodeTypeName == SmNodeType::BinVer
+           || aNodeTypeName == SmNodeType::BinDiagonal || aNodeTypeName == SmNodeType::SubSup
+           || aNodeTypeName == SmNodeType::UnHor || aNodeTypeName == SmNodeType::Oper;
+}
+
+inline bool isStandaloneNode(SmNodeType aNodeTypeName)
+{
+    return aNodeTypeName == SmNodeType::Text || aNodeTypeName == SmNodeType::Special
+           || aNodeTypeName == SmNodeType::GlyphSpecial || aNodeTypeName == SmNodeType::Math
+           || aNodeTypeName == SmNodeType::Blank || aNodeTypeName == SmNodeType::MathIdent;
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */