public static bool IsBigOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Sum:
case TexSymbolKind.Product:
case TexSymbolKind.Coproduct:
case TexSymbolKind.Integral:
case TexSymbolKind.DoubleIntegral:
case TexSymbolKind.TripleIntegral:
case TexSymbolKind.QuadrupleIntegral:
case TexSymbolKind.NtupleIntegral:
case TexSymbolKind.ClosedIntegral:
case TexSymbolKind.ClosedDoubleIntegral:
case TexSymbolKind.ClosedTripleIntegral:
case TexSymbolKind.ClosedQuadrupleIntegral:
case TexSymbolKind.ClosedNtupleIntegral:
case TexSymbolKind.BigOPlus:
case TexSymbolKind.BigOTimes:
case TexSymbolKind.BigODot:
case TexSymbolKind.BigCup:
case TexSymbolKind.BigCap:
case TexSymbolKind.BigCupPlus:
case TexSymbolKind.BigSquareCup:
case TexSymbolKind.BigSquareCap:
case TexSymbolKind.BigVee:
case TexSymbolKind.BigWedge:
return(true);
default:
return(false);
}
}
public TexExpressionNode(TexSymbolKind symbol, object value)
: this()
{
this.Symbol = symbol;
this.Value = value;
this.Children = new TexExpressionNodeCollection(this);
this.Arguments = new TexExpressionNodeCollection(this);
}
private TexToken(TexSymbolKind symbol, object value, int sourcePosition, string sourceText)
{
this.Symbol = symbol;
this.Value = value;
this.sourcePosition = sourcePosition;
this.sourceText = sourceText;
}
public TexExpressionNode(TexSymbolKind symbol, IEnumerable <TexExpressionNode> children)
: this(symbol)
{
foreach (var childNode in children)
{
this.Children.Add(childNode);
}
}
public static bool IsPostfixOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Factorial:
return(true);
default:
return(false);
}
}
public static bool IsRaiseOrLowerOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.RaiseToIndex:
case TexSymbolKind.LowerToIndex:
return(true);
default:
return(false);
}
}
public static bool IsBracketedFunction(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Fraction:
case TexSymbolKind.Binomial:
case TexSymbolKind.Root:
return(true);
default:
return(false);
}
}
public static bool IsRelationOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Equals:
case TexSymbolKind.NotEquals:
case TexSymbolKind.DotEquals:
case TexSymbolKind.Approximates:
case TexSymbolKind.Equivalent:
case TexSymbolKind.LessThan:
case TexSymbolKind.LessThanOrEqualTo:
case TexSymbolKind.GreaterThan:
case TexSymbolKind.GreaterThanOrEqualTo:
case TexSymbolKind.MuchLessThan:
case TexSymbolKind.MuchGreaterThan:
case TexSymbolKind.Proportional:
case TexSymbolKind.Asymptotic:
case TexSymbolKind.Bowtie:
case TexSymbolKind.Models:
case TexSymbolKind.Precedes:
case TexSymbolKind.PrecedesOrEquals:
case TexSymbolKind.Succedes:
case TexSymbolKind.SuccedesOrEquals:
case TexSymbolKind.Congruent:
case TexSymbolKind.Similar:
case TexSymbolKind.SimilarOrEquals:
case TexSymbolKind.Perpendicular:
case TexSymbolKind.Parallel:
case TexSymbolKind.Middle:
case TexSymbolKind.Subset:
case TexSymbolKind.SubsetOrEqualTo:
case TexSymbolKind.Superset:
case TexSymbolKind.SupersetOrEqualTo:
case TexSymbolKind.SquareSubset:
case TexSymbolKind.SquareSubsetOrEqualTo:
case TexSymbolKind.SquareSuperset:
case TexSymbolKind.SquareSupersetOrEqualTo:
case TexSymbolKind.Member:
case TexSymbolKind.NotMember:
case TexSymbolKind.Contains:
case TexSymbolKind.NotContains:
case TexSymbolKind.Smile:
case TexSymbolKind.Frown:
case TexSymbolKind.VLineDash:
case TexSymbolKind.DashVLine:
return(true);
default:
return(false);
}
}
public static bool IsPlusOrMinusOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Plus:
case TexSymbolKind.Minus:
case TexSymbolKind.PlusMinus:
case TexSymbolKind.MinusPlus:
return(true);
default:
return(false);
}
}
public static bool IsValue(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Number:
case TexSymbolKind.Letter:
case TexSymbolKind.GreekLetter:
case TexSymbolKind.Text:
return(true);
default:
return(false);
}
}
public static bool IsFormatting(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Space:
case TexSymbolKind.Separator:
case TexSymbolKind.Left:
case TexSymbolKind.Right:
return(true);
default:
return(false);
}
}
public static bool IsLongOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Dot:
case TexSymbolKind.InlineModulo:
case TexSymbolKind.Over:
return(true);
default:
if (IsRelationOperator(symbol))
{
return(true);
}
return(false);
}
}
public static bool IsFunctionOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Minimum:
case TexSymbolKind.Maximum:
case TexSymbolKind.GreatestCommonDenominator:
case TexSymbolKind.LowestCommonMultiple:
case TexSymbolKind.Exponent:
case TexSymbolKind.Log:
case TexSymbolKind.NaturalLog:
case TexSymbolKind.Argument:
case TexSymbolKind.Limit:
case TexSymbolKind.LimitInferior:
case TexSymbolKind.LimitSuperior:
case TexSymbolKind.Sine:
case TexSymbolKind.Cosine:
case TexSymbolKind.Tangent:
case TexSymbolKind.Cosecant:
case TexSymbolKind.Secant:
case TexSymbolKind.Cotangent:
case TexSymbolKind.ArcSine:
case TexSymbolKind.ArcCosine:
case TexSymbolKind.ArcTangent:
case TexSymbolKind.ArcCosecant:
case TexSymbolKind.ArcSecant:
case TexSymbolKind.ArcCotangent:
case TexSymbolKind.HypSine:
case TexSymbolKind.HypCosine:
case TexSymbolKind.HypTangent:
case TexSymbolKind.HypCosecant:
case TexSymbolKind.HypSecant:
case TexSymbolKind.HypCotangent:
case TexSymbolKind.ArHypSine:
case TexSymbolKind.ArHypCosine:
case TexSymbolKind.ArHypTangent:
case TexSymbolKind.ArHypCosecant:
case TexSymbolKind.ArHypSecant:
case TexSymbolKind.ArHypCotangent:
return(true);
default:
return(false);
}
}
public static bool IsLeftAssociativeOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Minus:
case TexSymbolKind.PlusMinus:
case TexSymbolKind.MinusPlus:
case TexSymbolKind.Divide:
case TexSymbolKind.Over:
case TexSymbolKind.Fraction:
case TexSymbolKind.InlineModulo:
case TexSymbolKind.RaiseToIndex:
case TexSymbolKind.LowerToIndex:
return(true);
default:
return(false);
}
}
public static bool IsCloseBracket(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.GroupClose:
return(true);
case TexSymbolKind.RoundBracketClose:
return(true);
case TexSymbolKind.SquareBracketClose:
return(true);
case TexSymbolKind.ModulusBracket:
return(true);
default:
return(false);
}
}
public static bool IsBinaryOperator(this TexSymbolKind symbol)
{
switch (symbol)
{
case TexSymbolKind.Plus:
case TexSymbolKind.Minus:
case TexSymbolKind.PlusMinus:
case TexSymbolKind.MinusPlus:
case TexSymbolKind.Cross:
case TexSymbolKind.Dot:
case TexSymbolKind.Star:
case TexSymbolKind.Divide:
case TexSymbolKind.Over:
case TexSymbolKind.InlineModulo:
case TexSymbolKind.RaiseToIndex:
case TexSymbolKind.LowerToIndex:
return(true);
default:
return(false);
}
}
public static bool IsBracket(this TexSymbolKind symbol)
{
return(IsOpenBracket(symbol) || IsCloseBracket(symbol));
}
private TexToken(TexSymbolKind symbol, int sourcePosition, string sourceText)
: this(symbol, null, sourcePosition, sourceText)
{
}
private TexToken(TexSymbolKind symbol, object value)
: this(symbol, value, -1, null)
{
}
private TexToken(TexSymbolKind symbol)
: this(symbol, -1, null)
{
}
public static TexToken FromValue(TexSymbolKind kind, object value, int sourcePosition, string sourceText)
{
return(new TexToken(kind, value, sourcePosition, sourceText));
}
public static TexToken FromValue(TexSymbolKind kind, object value)
{
return(new TexToken(kind, value));
}
public static TexToken FromSymbol(TexSymbolKind symbol, int sourcePosition, string sourceText)
{
return(new TexToken(symbol, sourcePosition, sourceText));
}
public static TexToken FromSymbol(TexSymbolKind symbol)
{
return(new TexToken(symbol));
}
public TexExpressionNode(TexSymbolKind symbol)
: this()
{
this.Symbol = symbol;
this.Value = null;
}
public static bool IsLtrInfixOperator(this TexSymbolKind symbol)
{
return(IsBinaryOperator(symbol));
}