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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016-2024 Objectionary.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.eolang.jeo.representation.directives;

import java.util.Iterator;
import org.eolang.jeo.representation.bytecode.BytecodeLabel;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Label;
import org.xembly.Directive;

/**
 * Operand XML directives.
 * @since 0.1
 */
public final class DirectivesOperand implements Iterable {

    /**
     * Raw operand.
     */
    private final Object raw;

    /**
     * Constructor.
     * @param operand Raw operand.
     */
    DirectivesOperand(final Object operand) {
        this.raw = operand;
    }

    @Override
    public Iterator iterator() {
        final Iterator result;
        if (this.raw instanceof Label) {
            result = new BytecodeLabel(this.raw.toString()).directives().iterator();
        } else if (this.raw instanceof Handle) {
            result = new DirectivesHandle((Handle) this.raw).iterator();
        } else {
            result = new DirectivesValue(this.raw).iterator();
        }
        return result;
    }

}