starmath/inc/nodetype.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 /**
  21    * This file provides definition for the nodetypes.
  22    * Also provides analysis of the node functions
  23    */
  24
  25 enum class SmNodeType : int_fast16_t
  26 {
  27     Table, // tree header
  28     Brace, // () [] {}
  29     Bracebody, // content of () [] {}
  30     Oper, // largeop
  31     Align, // alignment
  32     Attribute, // attributes
  33     Font, // fonts
  34     UnHor, // unmo
  35     BinHor, // binmo
  36     BinVer, // over frac
  37     BinDiagonal, // slash
  38     SubSup, // lsub lsup rsub rsup csub csup
  39     Matrix, // binom matrix
  40     Place, // <?>
  41     Text, // "text"
  42     Special, // %glyph
  43     GlyphSpecial, // %glyph
  44     Math, // operator value
  45     Blank, // ~
  46     Error, // Syntax error
  47     Line, // a line of math until newline
  48     Expression, // { content in here }
  49     PolyLine, // ^
  50     Root, // root node
  51     RootSymbol, // 3 of cubic root
  52     Rectangle, //just structural
  53     VerticalBrace, // vertical {}
  54     MathIdent // identities and variables
  55 };
  56
  57 namespace starmathdatabase
  58 {
  59 inline bool isStructuralNode(SmNodeType aNodeTypeName)
  60 {
  61     return aNodeTypeName == SmNodeType::Table || aNodeTypeName == SmNodeType::Line
  62            || aNodeTypeName == SmNodeType::UnHor || aNodeTypeName == SmNodeType::BinHor
  63            || aNodeTypeName == SmNodeType::BinVer || aNodeTypeName == SmNodeType::BinDiagonal
  64            || aNodeTypeName == SmNodeType::SubSup || aNodeTypeName == SmNodeType::Matrix
  65            || aNodeTypeName == SmNodeType::Root || aNodeTypeName == SmNodeType::Expression
  66            || aNodeTypeName == SmNodeType::Brace || aNodeTypeName == SmNodeType::Bracebody
  67            || aNodeTypeName == SmNodeType::Oper || aNodeTypeName == SmNodeType::Align
  68            || aNodeTypeName == SmNodeType::Attribute || aNodeTypeName == SmNodeType::Font;
  69 }
  70
  71 inline bool isBinOperatorNode(SmNodeType aNodeTypeName)
  72 {
  73     return aNodeTypeName == SmNodeType::BinHor || aNodeTypeName == SmNodeType::BinVer
  74            || aNodeTypeName == SmNodeType::BinDiagonal || aNodeTypeName == SmNodeType::SubSup;
  75 }
  76
  77 inline bool isUnOperatorNode(SmNodeType aNodeTypeName)
  78 {
  79     return aNodeTypeName == SmNodeType::UnHor;
  80 }
  81
  82 inline bool isOperatorNode(SmNodeType aNodeTypeName)
  83 {
  84     return aNodeTypeName == SmNodeType::BinHor || aNodeTypeName == SmNodeType::BinVer
  85            || aNodeTypeName == SmNodeType::BinDiagonal || aNodeTypeName == SmNodeType::SubSup
  86            || aNodeTypeName == SmNodeType::UnHor || aNodeTypeName == SmNodeType::Oper;
  87 }
  88
  89 inline bool isStandaloneNode(SmNodeType aNodeTypeName)
  90 {
  91     return aNodeTypeName == SmNodeType::Text || aNodeTypeName == SmNodeType::Special
  92            || aNodeTypeName == SmNodeType::GlyphSpecial || aNodeTypeName == SmNodeType::Math
  93            || aNodeTypeName == SmNodeType::Blank || aNodeTypeName == SmNodeType::MathIdent;
  94 }
  95 }
  96
  97 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */