public void GetTextBold(string latex, IList <Element> container, Marker marker)
{
if (marker.Position <= latex.Length - 7)
{
if (latex.Substring(marker.Position, 7) == "\\textbf")
{
marker.Position += 7;
var line = new MathematicsLine();
var subsection = GetSubsection(latex, container, marker);
if (subsection != null)
{
line.Elements = subsection.Item2;
marker.Position += subsection.Item1;
line.CascadeStyle("FontWeight", "Bold");
container.Add(line);
}
}
}
}
public void SetMathematicsLineSize5()
{
var mathematicsLine1 = new MathematicsLine();
var number1 = new Number();
var number2 = new Number();
number1.Content = "123";
number1.OuterMargin.Left = 3;
number1.OuterMargin.Right = 5;
number2.Content = "45";
number2.OuterMargin.Left = 2;
number2.OuterMargin.Right = 3;
mathematicsLine1.Elements.Add(number1);
mathematicsLine1.Elements.Add(number2);
_typesetter.SetMathematicsLineSize(mathematicsLine1);
Assert.AreEqual(16, mathematicsLine1.SizeOfContent.Width);
Assert.AreEqual(1, mathematicsLine1.SizeOfContent.Height);
Assert.AreEqual(16, mathematicsLine1.SizeIncludingInnerMargin.Width);
Assert.AreEqual(1, mathematicsLine1.SizeIncludingInnerMargin.Height);
Assert.AreEqual(16, mathematicsLine1.SizeIncludingBorder.Width);
Assert.AreEqual(1, mathematicsLine1.SizeIncludingBorder.Height);
Assert.AreEqual(16, mathematicsLine1.SizeIncludingOuterMargin.Width);
Assert.AreEqual(1, mathematicsLine1.SizeIncludingOuterMargin.Height);
}
public void GetMathRoman(string latex, IList <Element> container, Marker marker)
{
if (marker.Position <= latex.Length - 7)
{
if (latex.Substring(marker.Position, 7) == "\\mathrm")
{
marker.Position += 7;
var line = new MathematicsLine();
var subsection = GetSubsection(latex, container, marker);
if (subsection != null)
{
line.Elements = subsection.Item2;
marker.Position += subsection.Item1;
line.CascadeStyle("FontEmphasis", "None");
container.Add(line);
}
}
}
}
public void GetSquareRoot(string latex, IList <Element> container, Marker marker)
{
if (marker.Position < latex.Length - 8)
{
if (latex.Substring(marker.Position, 5) == "\\sqrt")
{
marker.Position += 5;
var squareRoot = new SquareRoot();
var subsection1 = GetSubsection(latex, container, marker);
if (subsection1 != null)
{
var line1 = new MathematicsLine();
line1.Elements = subsection1.Item2;
squareRoot.InnerExpression = line1;
marker.Position += subsection1.Item1;
container.Add(squareRoot);
}
}
}
}
public void GetSubscript(string latex, IList <Element> container, Marker marker)
{
if (marker.Position >= latex.Length)
{
return;
}
if (latex.Substring(marker.Position, 1) == "_")
{
marker.Position += 1;
var subsection = GetSubsection(latex, container, marker);
if (subsection != null)
{
var subscript = new Subscript();
var line = new MathematicsLine();
subscript.Element1 = container.Last();
if (subsection.Item2.Count() == 1)
{
subscript.Element2 = subsection.Item2.First();
}
else
{
line.Elements = subsection.Item2;
subscript.Element2 = line;
}
container.Remove(container.Last());
container.Add(subscript);
marker.Position += subsection.Item1;
}
else
{
var elements = new List <Element>();
GetGreekLetter(latex, elements, marker);
GetIdentifier(latex, elements, marker);
GetNumber(latex, elements, marker);
GetOperator(latex, elements, marker);
GetMathRoman(latex, elements, marker);
GetPunctuationMark(latex, elements, marker);
if (elements.Any())
{
var subscript = new Subscript();
subscript.Element1 = container.Last();
subscript.Element2 = elements.First();
container.Remove(container.Last());
container.Add(subscript);
}
}
}
}
public void GetFraction(string latex, IList <Element> container, Marker marker)
{
if (marker.Position >= latex.Length || latex.Length - marker.Position < 5)
{
return;
}
if (latex.Substring(marker.Position, 5) == "\\frac")
{
marker.Position += 5;
var fraction = new Fraction();
var subsection1 = GetSubsection(latex, container, marker);
if (subsection1 != null)
{
var line1 = new MathematicsLine();
if (subsection1.Item2.Count() == 1)
{
fraction.Numerator = subsection1.Item2.First();
}
else
{
line1.Elements = subsection1.Item2;
fraction.Numerator = line1;
}
marker.Position += subsection1.Item1;
}
var subsection2 = GetSubsection(latex, container, marker);
if (subsection2 != null)
{
var line2 = new MathematicsLine();
if (subsection2.Item2.Count() == 1)
{
fraction.Denominator = subsection2.Item2.First();
}
else
{
line2.Elements = subsection2.Item2;
fraction.Denominator = line2;
}
marker.Position += subsection2.Item1;
}
if (fraction.Numerator != null && fraction.Denominator != null)
{
container.Add(fraction);
}
}
}
public MathematicsLine ParseLaTeX(string latex)
{
var line = new MathematicsLine();
line.Elements = ParseSubsection(latex);
return(line);
}
public void GetBracketExpression(string latex, IList <Element> container, Marker marker)
{
if (marker.Position < latex.Length - 13)
{
if (latex.Substring(marker.Position, 6) == "\\left(")
{
var n = 1;
var i = 0;
var j = marker.Position + 6;
while (j < latex.Length)
{
if (latex.Substring(j, 6) == "\\left(")
{
n += 1;
i += 6;
j += 6;
}
if (latex.Substring(j, 7) == "\\right)")
{
n -= 1;
i += 7;
j += 7;
}
else
{
i += 1;
j += 1;
}
if (n == 0)
{
break;
}
}
var t = latex.Substring(marker.Position + 6, i - 7);
var bracketExpression = new BracketExpression();
var mathematicsLine = new MathematicsLine();
mathematicsLine.Elements = ParseSubsection(t);
bracketExpression.InnerExpression = mathematicsLine;
container.Add(bracketExpression);
marker.Position += 6 + i;
}
}
}
public void SetMathematicsLineSize1()
{
var mathematicsLine1 = new MathematicsLine();
_typesetter.SetMathematicsLineSize(mathematicsLine1);
Assert.AreEqual(0, mathematicsLine1.SizeOfContent.Width);
Assert.AreEqual(0, mathematicsLine1.SizeOfContent.Height);
Assert.AreEqual(0, mathematicsLine1.SizeIncludingInnerMargin.Width);
Assert.AreEqual(0, mathematicsLine1.SizeIncludingInnerMargin.Height);
Assert.AreEqual(0, mathematicsLine1.SizeIncludingBorder.Width);
Assert.AreEqual(0, mathematicsLine1.SizeIncludingBorder.Height);
Assert.AreEqual(0, mathematicsLine1.SizeIncludingOuterMargin.Width);
Assert.AreEqual(0, mathematicsLine1.SizeIncludingOuterMargin.Height);
}
