public override void Parse(SourceSpan source, XElement element)
{
var name = element.AttributeValue("name");
var args = element.Elements("Argument");
var argTypes = GetArgumentTypes(args);
var argValues = GetArgumentValues(args);
Debug.Assert(argValues.Length == 1 || argValues.Length == 0);
TexFormula formula = null;
if (argValues.Length == 1)
{
var parser = new TexFormulaParser();
formula = parser.Parse((string)argValues[0]);
}
else
{
formula = new TexFormula {
Source = source
};
}
this.SharedCacheFormulas.Add(name, formula);
}
static TexPredefinedFormulaParser()
{
typeMappings = new Dictionary <string, Type>();
argValueParsers = new Dictionary <string, ArgumentValueParser>();
actionParsers = new Dictionary <string, ActionParser>();
formulaParser = new TexFormulaParser();
var sharedCacheFormulas = new Dictionary <string, TexFormula>();
typeMappings.Add("Formula", typeof(TexFormula));
typeMappings.Add("string", typeof(string));
typeMappings.Add("double", typeof(double));
typeMappings.Add("int", typeof(int));
typeMappings.Add("bool", typeof(bool));
typeMappings.Add("char", typeof(char));
typeMappings.Add("Color", typeof(Color));
typeMappings.Add("Unit", typeof(TexUnit));
typeMappings.Add("AtomType", typeof(TexAtomType));
actionParsers.Add("CreateFormula", new CreateTeXFormulaParser(sharedCacheFormulas));
actionParsers.Add("MethodInvocation", new MethodInvocationParser(sharedCacheFormulas));
actionParsers.Add("Return", new ReturnParser(sharedCacheFormulas));
argValueParsers.Add("Formula", new TeXFormulaValueParser(sharedCacheFormulas));
argValueParsers.Add("string", new StringValueParser(sharedCacheFormulas));
argValueParsers.Add("double", new DoubleValueParser(sharedCacheFormulas));
argValueParsers.Add("int", new IntValueParser(sharedCacheFormulas));
argValueParsers.Add("bool", new BooleanValueParser(sharedCacheFormulas));
argValueParsers.Add("char", new CharValueParser(sharedCacheFormulas));
argValueParsers.Add("Color", new ColorConstantValueParser(sharedCacheFormulas));
argValueParsers.Add("Unit", new EnumParser(typeof(TexUnit), sharedCacheFormulas));
argValueParsers.Add("AtomType", new EnumParser(typeof(TexAtomType), sharedCacheFormulas));
}
public void AddEmbraced(TexFormula formula, string leftSymbol, string rightSymbol)
{
this.Add(
new FencedAtom(
_source,
formula?.RootAtom,
TexFormulaParser.GetDelimiterSymbol(leftSymbol, null),
TexFormulaParser.GetDelimiterSymbol(rightSymbol, null)));
}
public void Parse(SourceSpan source, XElement element, PredefinedFormulaContext context)
{
var name = element.AttributeValue("name");
var args = element.Elements("Argument");
var argValues = GetArgumentValues(args, context);
Debug.Assert(argValues.Length == 1 || argValues.Length == 0);
TexFormula formula;
if (argValues.Length == 1)
{
var parser = new TexFormulaParser();
formula = parser.Parse((string)argValues[0] !); // Nullable TODO: This might need null checking
}
else
{
formula = new TexFormula {
Source = source
};
}
context.AddFormula(name, formula);
}
public TexFormulaHelper(TexFormula formula)
{
this.formulaParser = new TexFormulaParser();
this.Formula = formula;
}
public void AddEmbraced(TexFormula formula, string leftSymbol, string rightSymbol)
{
Add(new FencedAtom(formula == null ? null : formula.RootAtom, TexFormulaParser.GetDelimiterSymbol(leftSymbol),
TexFormulaParser.GetDelimiterSymbol(rightSymbol)));
}
public void AddEmbraced(TexFormula formula, char leftChar, char rightChar)
{
AddEmbraced(formula, TexFormulaParser.GetDelimeterMapping(leftChar),
TexFormulaParser.GetDelimeterMapping(rightChar));
}
public TexFormulaHelper(TexFormula formula)
{
this.formulaParser = new TexFormulaParser();
this.Formula = formula;
}
private static void UpdateVisual(string sourceText, VisualContainerElement element)
{
TexFormulaParser.Initialize();
TexFormulaParser _formulaParser = new TexFormulaParser();
// Create formula object from input text.
TexFormula formula = null;
try
{
formula = _formulaParser.Parse(sourceText);
}
#if !DEBUG
catch (Exception ex)
{
MessageBox.Show("An error occurred while parsing the given input:" + Environment.NewLine +
Environment.NewLine + ex.Message, "WPF-Math Example", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
#endif
finally
{
}
// Render formula to visual.
var visual = new DrawingVisual();
var renderer = formula.GetRenderer(TexStyle.Display, 30d);
var formulaSize = renderer.RenderSize;
using (var drawingContext = visual.RenderOpen())
{
renderer.Render(drawingContext, 0, 1);
}
element.Visual = visual;
//this.Visual = visual;
}
public TexExpressionVisitor(System.Linq.Expressions.Expression value, TexFormulaParser tfp )
{
_tfp = tfp;
Formula = new TexFormula();
Visit(value);
}
public TexFormulaHelper(TexFormula formula, SourceSpan source)
{
this._formulaParser = new TexFormulaParser();
this.Formula = formula;
this._source = source;
}
public TexExpressionVisitor(System.Linq.Expressions.Expression value, TexFormulaParser tfp)
{
_tfp = tfp;
Formula = new TexFormula();
Visit(value);
}