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      1 package org.unicode.cldr.util;
      2 
      3 import java.util.Locale;
      4 
      5 import org.unicode.cldr.util.XListFormatter.ListTypeLength;
      6 
      7 import com.ibm.icu.lang.CharSequences;
      8 import com.ibm.icu.text.UTF16;
      9 import com.ibm.icu.text.UnicodeSet;
     10 
     11 public class EmojiConstants {
     12     public static final String EMOJI_VARIANT_STRING = "\uFE0F";
     13     static final int FIRST_REGIONAL = 0x1F1E6;
     14     static final int LAST_REGIONAL = 0x1F1FF;
     15     public static final UnicodeSet REGIONAL_INDICATORS = new UnicodeSet(FIRST_REGIONAL, LAST_REGIONAL).freeze();
     16     public static final String KEYCAP_MARK_STRING = "\u20E3";
     17     public static final UnicodeSet MODIFIERS = new UnicodeSet(0x1F3FB, 0x1F3FF).freeze();
     18     public static final UnicodeSet HAIR = new UnicodeSet(0x1F9B0, 0x1F9B3).freeze();
     19     public static final char JOINER = '\u200D';
     20     public static final String JOINER_STRING = String.valueOf(JOINER);
     21     public static final UnicodeSet COMPONENTS = new UnicodeSet(EmojiConstants.MODIFIERS)
     22         .add(EmojiConstants.fromCodePoints(JOINER,0x1F9B0))
     23         .add(EmojiConstants.fromCodePoints(JOINER,0x1F9B1))
     24         .add(EmojiConstants.fromCodePoints(JOINER,0x1F9B2))
     25         .add(EmojiConstants.fromCodePoints(JOINER,0x1F9B3))
     26         .freeze();
     27 
     28     public static final String KISS = "";
     29     public static final String HEART = "";
     30     public static final String TAG_TERM = UTF16.valueOf(0xE007F);
     31     public static final String BLACK_FLAG = UTF16.valueOf(0x1F3F4);
     32     public static final String HANDSHAKE = UTF16.valueOf(0x1f91d);
     33     public static final String MALE_SIGN = "";
     34     public static final String FEMALE_SIGN = "";
     35     public static final String MAN = "";
     36     public static final String WOMAN = "";
     37     public static final String JOINER_MALE_SIGN = JOINER_STRING + MALE_SIGN;
     38     public static final String JOINER_FEMALE_SIGN = JOINER_STRING + FEMALE_SIGN;
     39     public static final UnicodeSet HAIR_EXPLICIT = new UnicodeSet("[ ]").freeze();
     40 
     41     public static final ListTypeLength COMPOSED_NAME_LIST = ListTypeLength.UNIT_SHORT;
     42 
     43     //public static final UnicodeSet MODIFIERS_GENDER_SIGNS = new UnicodeSet(0x1F3FB, 0x1F3FF).add(MALE_SIGN).add(FEMALE_SIGN).freeze();
     44     public static String getFlagCode(String s) {
     45         return String.valueOf((char) (s.codePointAt(0) - FIRST_REGIONAL + 'A')) + (char) (s.codePointAt(2) - FIRST_REGIONAL + 'A');
     46     }
     47 
     48     public static String getEmojiFromRegionCodes(String chars) {
     49         return new StringBuilder()
     50                 .appendCodePoint(chars.codePointAt(0) + FIRST_REGIONAL - 'A')
     51                 .appendCodePoint(chars.codePointAt(1) + FIRST_REGIONAL - 'A')
     52                 .toString();
     53     }
     54 
     55     public static final int TAG_BASE = 0xE0000;
     56     public static final int TAG_TERM_CHAR = 0xE007F;
     57 
     58     public static String getEmojiFromSubdivisionCodes(String string) {
     59         string = string.toLowerCase(Locale.ROOT).replace("-","");
     60         StringBuilder result = new StringBuilder().appendCodePoint(0x1F3F4);
     61         for (int cp : CharSequences.codePoints(string)) {
     62             result.appendCodePoint(TAG_BASE + cp);
     63         }
     64         return result.appendCodePoint(TAG_TERM_CHAR).toString();
     65     }
     66 
     67     public static final UnicodeSet FAMILY_MARKERS = new UnicodeSet()
     68         .add(0x1F466, 0x1F469).add(0x1F476)
     69         .add(JOINER_STRING)
     70         .freeze(); // boy, girl, man, woman, baby
     71     public static final UnicodeSet REM_SKIP_SET = new UnicodeSet()
     72         .add(JOINER_STRING)
     73         .freeze();
     74     public static final UnicodeSet REM_GROUP_SKIP_SET = new UnicodeSet(REM_SKIP_SET)
     75         .add(EmojiConstants.HEART)
     76         .add(EmojiConstants.KISS)
     77         .add(EmojiConstants.HANDSHAKE)
     78         .add(MALE_SIGN)
     79         .add(FEMALE_SIGN)
     80         .freeze();
     81 
     82     public static String getTagSpec(String code) {
     83         StringBuilder b = new StringBuilder();
     84         for (int codePoint : CharSequences.codePoints(code)) {
     85             if (codePoint >= 0xE0020 && codePoint <= 0xE007E) {
     86                 b.appendCodePoint(codePoint - 0xE0000);
     87             }
     88         }
     89         return b.toString();
     90     }
     91 
     92     // U+1F3F4 U+E0067 U+E0062 U+E0065 U+E006E U+E0067 U+E007F
     93     public static String toTagSeq(String subdivisionCode) {
     94         StringBuilder b = new StringBuilder().appendCodePoint(0x1F3F4);
     95         for (int i = 0; i < subdivisionCode.length(); ++i) {
     96             b.appendCodePoint(subdivisionCode.charAt(i) + 0xE0000);
     97         }
     98         return b.appendCodePoint(0xE007F).toString();
     99     }
    100 
    101     public static CharSequence fromCodePoints(int... codePoints) {
    102         return EmojiConstants.appendCodePoints(new StringBuilder(), codePoints).toString();
    103     }
    104 
    105     public static StringBuilder appendCodePoints(StringBuilder b, int... codePoints) {
    106         for (int i = 0; i < codePoints.length; ++i) {
    107             b.appendCodePoint(codePoints[i]);
    108         }
    109         return b;
    110     }
    111 }