src/java.base/share/classes/jdk/internal/util/regex/IndicConjunctBreak.java.template - master - githubmirror/jdk22

src/java.base/share/classes/jdk/internal/util/regex/IndicConjunctBreak.java.template

60 строк2 KB

Naoto Sato

8296246: Update Unicode Data Files to Version 15.1.0

20 сен 2023, 20:39

20 сен 2023, 20:397c991cc

/*
 * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package jdk.internal.util.regex;

/**
 * Helper class for supporting the GB9c rule in Unicode Text Segmentation TR29
 *
 * <blockquote>
 * GB9c Do not break within certain combinations with Indic_Conjunct_Break (InCB)=Linker.
 *
 * \p{InCB=Consonant} [ \p{InCB=Extend} \p{InCB=Linker} ]* \p{InCB=Linker} [ \p{InCB=Extend} \p{InCB=Linker} ]* x \p{InCB=Consonant}*
 * </blockquote>
 *
 * Code point conditions included in this class are derived from the "Derived Property: Indic_Conjunct_Break"
 * section in DerivedCoreProperties.txt of the Unicode Character Database.
 */
final class IndicConjunctBreak {
    static boolean isLinker(int cp) {
        return
%%%InCB=Linker%%%
    }

    static boolean isExtend(int cp) {
        return
%%%InCB=Extend%%%
    }

    static boolean isConsonant(int cp) {
        // fast check - Devanagari to Malayalam
        if (cp < 0x0900 || cp > 0x0D7F) {
            return false;
        }

        return
%%%InCB=Consonant%%%
    }
}