com.codetaco.math.impl.token.TokLiteral Maven / Gradle / Ivy

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package com.codetaco.math.impl.token;

import com.codetaco.math.impl.EquImpl;
import com.codetaco.math.impl.ValueStack;

public class TokLiteral extends TokOperand {
    final private char delimiter;
    private int delims;

    public TokLiteral(EquImpl equ, final char p_delimiter) {
        super(equ);
        delimiter = p_delimiter;
        setDelims(0);
    }

    @Override
    public boolean accepts(final char s) {
        return getDelims() != 2;
    }

    public int getDelims() {
        return delims;
    }

    @Override
    public void put(final char c) {
        if (c != delimiter) {
            super.put(c);
        } else {
            setDelims(getDelims() + 1);
        }
    }

    @Override
    public void resolve(final ValueStack values) throws Exception {
        values.push(getValue().toString());
    }

    public void setDelims(final int newDelims) {
        delims = newDelims;
    }

    @Override
    public String toString() {
        return "lit(" + super.toString() + ")";
    }
}