*/
    public static String encodeAttrQuot(final String s) {
        if (s == null) {
            return null;
        }
        final char[] content = s.toCharArray();
        final StringBuilder buf = new StringBuilder(s.length() + 100);
        for (final char element : content) {
            switch (element) {
            case '<':
                buf.append("&lt;");
                break;
            case '>':

    }.associateWith { it.correspondingArrayOfCallFqName() }

    private fun ClassId.correspondingArrayOfCallFqName(): Name =
        Name.identifier("${shortClassName.identifier.replaceFirstChar(Char::lowercaseChar)}Of")

 */
package org.codelibs.fess.crawler.util;

/**
 * @author shinsuke
 *
 */
public final class CharUtil {
    private CharUtil() {
    }

    public static boolean isUrlChar(final char c) {
        if (c >= 'a' && c <= 'z' //
                || c >= 'A' && c <= 'Z' //
                || c >= '0' && c <= '9' //
                || c == '.' //
                || c == '-' //
                || c == '*' //

import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractCharFilterFactory;

public class ProlongedSoundMarkCharFilterFactory extends AbstractCharFilterFactory {
    private char replacement;

    public ProlongedSoundMarkCharFilterFactory(final IndexSettings indexSettings, final Environment env, final String name,
            final Settings settings) {
        super(indexSettings, name);

     */
    public static char[] addAll(final char[] a, final char[] b) {
        if (a == null) {
            return b;
        }
        if (b == null) {
            return a;
        }
        if (a.length == 0) {
            return b;
        }
        if (b.length == 0) {
            return a;
        }
        final char[] array = (char[]) Array.newInstance(char.class, a.length + b.length);

    }

    @Override
    public MessageBuilder append(CharSequence cs, int start, int end) {
        buffer.append(cs, start, end);
        return this;
    }

    @Override
    public MessageBuilder append(char c) {
        buffer.append(c);
        return this;
    }

    @Override
    public MessageBuilder setLength(int length) {
        buffer.setLength(length);
        return this;
    }

    @Override

    default char[] getQueryHighlightBoundaryCharsAsArray() {
        final int[] values = getCrawlerDocumentCharsAsArray(QUERY_HIGHLIGHT_BOUNDARY_CHARS, getQueryHighlightBoundaryChars());
        final char[] chars = new char[values.length];
        for (int i = 0; i < values.length; i++) {
            chars[i] = (char) values[i];
        }
        return chars;
    }

     *
     * @param value input
     * @return escaped string.
     */
    public static String escape(final String value) {
        if (value == null) {
            return null;
        }

        char c;
        final int len = value.length();
        final StringBuilder buf = new StringBuilder(len * 2);

        for (int i = 0; i < len; i++) {
            c = value.charAt(i);
            switch (c) {

    override val float: KaType by cachedBuiltin(builtinTypes.floatType)
    override val double: KaType by cachedBuiltin(builtinTypes.doubleType)

    override val char: KaType by cachedBuiltin(builtinTypes.charType)
    override val boolean: KaType by cachedBuiltin(builtinTypes.booleanType)
    override val string: KaType by cachedBuiltin(builtinTypes.stringType)

    void testReadMultiDoc() throws Exception {
        String doc = "<?xml version='1.0'?><doc><child>foo</child></doc>";
        StringReader r = new StringReader(doc + doc) {
            @Override
            public int read(char[] cbuf, int off, int len) throws IOException {
                return super.read(cbuf, off, 1);
            }
        };
        XmlNode node1 = XmlNodeBuilder.build(r);
        XmlNode node2 = XmlNodeBuilder.build(r);