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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%%%
    }
}