jscl.math.ExpressionVariable Maven / Gradle / Ivy

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package jscl.math;

import jscl.mathml.MathML;

import javax.annotation.Nonnull;

public class ExpressionVariable extends GenericVariable {
	public ExpressionVariable(Generic generic) {
		super(generic);
	}

	public Generic substitute(Variable variable, Generic generic) {
		if (isIdentity(variable)) return generic;
		else return content.substitute(variable, generic);
	}

	public Generic elementary() {
		return content.elementary();
	}

	public Generic simplify() {
		return content.simplify();
	}

	public String toString() {
		StringBuffer buffer = new StringBuffer();
		buffer.append("(").append(content).append(")");
		return buffer.toString();
	}

	public String toJava() {
		StringBuffer buffer = new StringBuffer();
		buffer.append("(").append(content.toJava()).append(")");
		return buffer.toString();
	}

	public void toMathML(MathML element, Object data) {
		int exponent = data instanceof Integer ? ((Integer) data).intValue() : 1;
		if (exponent == 1) bodyToMathML(element);
		else {
			MathML e1 = element.element("msup");
			bodyToMathML(e1);
			MathML e2 = element.element("mn");
			e2.appendChild(element.text(String.valueOf(exponent)));
			e1.appendChild(e2);
			element.appendChild(e1);
		}
	}

	void bodyToMathML(MathML element) {
		MathML e1 = element.element("mfenced");
		content.toMathML(e1, null);
		element.appendChild(e1);
	}

	@Nonnull
	public Variable newInstance() {
		return new ExpressionVariable(null);
	}
}