internal IMathAtom AtomForCommand(string command, char stopChar)
{
var atom = MathAtoms.ForLatexSymbolName(command);
if (atom is Accent accent)
{
accent.InnerList = BuildInternal(true);
return(accent);
}
if (atom != null)
{
return(atom);
}
switch (command)
{
case "frac":
return(new Fraction {
Numerator = BuildInternal(true),
Denominator = BuildInternal(true)
});
case "binom":
return(new Fraction(false)
{
Numerator = BuildInternal(true),
Denominator = BuildInternal(true),
LeftDelimiter = "(",
RightDelimiter = ")"
});
case "sqrt":
var rad = new Radical();
if (ExpectCharacter('['))
{
rad.Degree = BuildInternal(false, ']');
rad.Radicand = BuildInternal(true);
}
else
{
rad.Radicand = BuildInternal(true);
}
return(rad);
case "left":
var oldInner = _currentInnerAtom;
_currentInnerAtom = new Inner {
LeftBoundary = _BoundaryAtomForDelimiterType("left")
};
if (_currentInnerAtom.LeftBoundary == null)
{
return(null);
}
_currentInnerAtom.InnerList = BuildInternal(false, stopChar);
if (_currentInnerAtom.RightBoundary == null)
{
SetError("Missing \\right");
return(null);
}
var newInner = _currentInnerAtom;
_currentInnerAtom = oldInner;
return(newInner);
case "overline":
return(new Overline {
InnerList = BuildInternal(true)
});
case "underline":
return(new Underline()
{
InnerList = BuildInternal(true)
});
case "begin":
var env = ReadEnvironment();
if (env == null)
{
return(null);
}
var table = BuildTable(env, null, false, stopChar);
return(table);
case "color":
return(new Color {
ColorString = ReadColor(),
InnerList = BuildInternal(true)
});
case "prime":
SetError(@"\prime won't be supported as Unicode has no matching character. Use ' instead.");
return(null);
default:
var extResult = Extension._MathListBuilder.AtomForCommand(this, command);
if (extResult != null)
{
return(extResult);
}
SetError("Invalid command \\" + command);
return(null);
}
}
public IMathAtom Visit(Radical target, bool finalize) => new Radical(target, finalize);
public Radical(Radical cloneMe, bool finalize) : base(cloneMe, finalize)
{
Radicand = AtomCloner.Clone(cloneMe.Radicand, finalize);
Degree = AtomCloner.Clone(cloneMe.Degree, finalize);
}