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Styled XML parser is used by iText modules to parse HTML and XML
There is a newer version: 9.0.0
/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2023 Apryse Group NV
    Authors: Apryse Software.

    This program is offered under a commercial and under the AGPL license.
    For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.

    AGPL licensing:
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see .
 */
package com.itextpdf.styledxmlparser.jsoup.parser;

import com.itextpdf.styledxmlparser.jsoup.internal.Normalizer;
import com.itextpdf.styledxmlparser.jsoup.nodes.Attributes;

/**
 * Controls parser settings, to optionally preserve tag and/or attribute name case.
 */
public class ParseSettings {
    /**
     * HTML default settings: both tag and attribute names are lower-cased during parsing.
     */
    public static final ParseSettings htmlDefault;
    /**
     * Preserve both tag and attribute case.
     */
    public static final ParseSettings preserveCase;

    static {
        htmlDefault = new ParseSettings(false, false);
        preserveCase = new ParseSettings(true, true);
    }

    private final boolean preserveTagCase;
    private final boolean preserveAttributeCase;

    /**
     * Returns true if preserving tag name case.
     */
    public boolean preserveTagCase() {
        return preserveTagCase;
    }

    /**
     * Returns true if preserving attribute case.
     */
    public boolean preserveAttributeCase() {
        return preserveAttributeCase;
    }

    /**
     * Define parse settings.
     * @param tag preserve tag case?
     * @param attribute preserve attribute name case?
     */
    public ParseSettings(boolean tag, boolean attribute) {
        preserveTagCase = tag;
        preserveAttributeCase = attribute;
    }

    ParseSettings(ParseSettings copy) {
        this(copy.preserveTagCase, copy.preserveAttributeCase);
    }

    /**
     * Normalizes a tag name according to the case preservation setting.
     */
    public String normalizeTag(String name) {
        name = name.trim();
        if (!preserveTagCase)
            name = Normalizer.lowerCase(name);
        return name;
    }

    /**
     * Normalizes an attribute according to the case preservation setting.
     */
    public String normalizeAttribute(String name) {
        name = name.trim();
        if (!preserveAttributeCase)
            name = Normalizer.lowerCase(name);
        return name;
    }

    Attributes normalizeAttributes(Attributes attributes) {
        if (attributes != null && !preserveAttributeCase) {
            attributes.normalize();
        }
        return attributes;
    }
}