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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2018-2022 Saxonica Limited
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

package net.sf.saxon.dom;

import org.w3c.dom.DOMException;
import org.w3c.dom.ProcessingInstruction;

/**
 * This class is an implementation of the DOM ProcessingInstruction interface that wraps a Saxon NodeInfo
 * representation of a text or comment node.
 */

public class PIOverNodeInfo extends NodeOverNodeInfo implements ProcessingInstruction {

    /**
     * The target of this processing instruction. XML defines this as being
     * the first token following the markup that begins the processing
     * instruction.
     */
    @Override
    public String getTarget() {
        return node.getLocalPart();
    }

    /**
     * The content of this processing instruction. This is from the first non
     * white space character after the target to the character immediately
     * preceding the ?>.
     */
    @Override
    public String getData() {
        return node.getStringValue();
    }

    /**
     * The content of this processing instruction. This is from the first non
     * white space character after the target to the character immediately
     * preceding the ?>.
     *
     * @throws org.w3c.dom.DOMException NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
     */
    @Override
    public void setData(String data) throws DOMException {
        disallowUpdate();
    }
}