diff -r a659ccd1888d -r ddbd9744a3d5 src/jdk.internal.le/share/classes/jdk/internal/jline/console/WCWidth.java --- a/src/jdk.internal.le/share/classes/jdk/internal/jline/console/WCWidth.java Tue Dec 11 11:45:43 2018 +0530 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,158 +0,0 @@ -/* - * Copyright (c) 2002-2016, the original author or authors. - * - * This software is distributable under the BSD license. See the terms of the - * BSD license in the documentation provided with this software. - * - * http://www.opensource.org/licenses/bsd-license.php - */ -package jdk.internal.jline.console; - -public class WCWidth { - - /* The following two functions define the column width of an ISO 10646 - * character as follows: - * - * - The null character (U+0000) has a column width of 0. - * - * - Other C0/C1 control characters and DEL will lead to a return - * value of -1. - * - * - Non-spacing and enclosing combining characters (general - * category code Mn or Me in the Unicode database) have a - * column width of 0. - * - * - SOFT HYPHEN (U+00AD) has a column width of 1. - * - * - Other format characters (general category code Cf in the Unicode - * database) and ZERO WIDTH SPACE (U+200B) have a column width of 0. - * - * - Hangul Jamo medial vowels and final consonants (U+1160-U+11FF) - * have a column width of 0. - * - * - Spacing characters in the East Asian Wide (W) or East Asian - * Full-width (F) category as defined in Unicode Technical - * Report #11 have a column width of 2. - * - * - All remaining characters (including all printable - * ISO 8859-1 and WGL4 characters, Unicode control characters, - * etc.) have a column width of 1. - * - * This implementation assumes that wchar_t characters are encoded - * in ISO 10646. - */ - public static int wcwidth(int ucs) - { - - /* test for 8-bit control characters */ - if (ucs == 0) - return 0; - if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) - return -1; - - /* binary search in table of non-spacing characters */ - if (bisearch(ucs, combining, combining.length - 1)) - return 0; - - /* if we arrive here, ucs is not a combining or C0/C1 control character */ - return 1 + - ((ucs >= 0x1100 && - (ucs <= 0x115f || /* Hangul Jamo init. consonants */ - ucs == 0x2329 || ucs == 0x232a || - (ucs >= 0x2e80 && ucs <= 0xa4cf && - ucs != 0x303f) || /* CJK ... Yi */ - (ucs >= 0xac00 && ucs <= 0xd7a3) || /* Hangul Syllables */ - (ucs >= 0xf900 && ucs <= 0xfaff) || /* CJK Compatibility Ideographs */ - (ucs >= 0xfe10 && ucs <= 0xfe19) || /* Vertical forms */ - (ucs >= 0xfe30 && ucs <= 0xfe6f) || /* CJK Compatibility Forms */ - (ucs >= 0xff00 && ucs <= 0xff60) || /* Fullwidth Forms */ - (ucs >= 0xffe0 && ucs <= 0xffe6) || - (ucs >= 0x20000 && ucs <= 0x2fffd) || - (ucs >= 0x30000 && ucs <= 0x3fffd))) ? 1 : 0); - } - - /* sorted list of non-overlapping intervals of non-spacing characters */ - /* generated by "uniset +cat=Me +cat=Mn +cat=Cf -00AD +1160-11FF +200B c" */ - static Interval[] combining = { - new Interval( 0x0300, 0x036F ), new Interval( 0x0483, 0x0486 ), new Interval( 0x0488, 0x0489 ), - new Interval( 0x0591, 0x05BD ), new Interval( 0x05BF, 0x05BF ), new Interval( 0x05C1, 0x05C2 ), - new Interval( 0x05C4, 0x05C5 ), new Interval( 0x05C7, 0x05C7 ), new Interval( 0x0600, 0x0603 ), - new Interval( 0x0610, 0x0615 ), new Interval( 0x064B, 0x065E ), new Interval( 0x0670, 0x0670 ), - new Interval( 0x06D6, 0x06E4 ), new Interval( 0x06E7, 0x06E8 ), new Interval( 0x06EA, 0x06ED ), - new Interval( 0x070F, 0x070F ), new Interval( 0x0711, 0x0711 ), new Interval( 0x0730, 0x074A ), - new Interval( 0x07A6, 0x07B0 ), new Interval( 0x07EB, 0x07F3 ), new Interval( 0x0901, 0x0902 ), - new Interval( 0x093C, 0x093C ), new Interval( 0x0941, 0x0948 ), new Interval( 0x094D, 0x094D ), - new Interval( 0x0951, 0x0954 ), new Interval( 0x0962, 0x0963 ), new Interval( 0x0981, 0x0981 ), - new Interval( 0x09BC, 0x09BC ), new Interval( 0x09C1, 0x09C4 ), new Interval( 0x09CD, 0x09CD ), - new Interval( 0x09E2, 0x09E3 ), new Interval( 0x0A01, 0x0A02 ), new Interval( 0x0A3C, 0x0A3C ), - new Interval( 0x0A41, 0x0A42 ), new Interval( 0x0A47, 0x0A48 ), new Interval( 0x0A4B, 0x0A4D ), - new Interval( 0x0A70, 0x0A71 ), new Interval( 0x0A81, 0x0A82 ), new Interval( 0x0ABC, 0x0ABC ), - new Interval( 0x0AC1, 0x0AC5 ), new Interval( 0x0AC7, 0x0AC8 ), new Interval( 0x0ACD, 0x0ACD ), - new Interval( 0x0AE2, 0x0AE3 ), new Interval( 0x0B01, 0x0B01 ), new Interval( 0x0B3C, 0x0B3C ), - new Interval( 0x0B3F, 0x0B3F ), new Interval( 0x0B41, 0x0B43 ), new Interval( 0x0B4D, 0x0B4D ), - new Interval( 0x0B56, 0x0B56 ), new Interval( 0x0B82, 0x0B82 ), new Interval( 0x0BC0, 0x0BC0 ), - new Interval( 0x0BCD, 0x0BCD ), new Interval( 0x0C3E, 0x0C40 ), new Interval( 0x0C46, 0x0C48 ), - new Interval( 0x0C4A, 0x0C4D ), new Interval( 0x0C55, 0x0C56 ), new Interval( 0x0CBC, 0x0CBC ), - new Interval( 0x0CBF, 0x0CBF ), new Interval( 0x0CC6, 0x0CC6 ), new Interval( 0x0CCC, 0x0CCD ), - new Interval( 0x0CE2, 0x0CE3 ), new Interval( 0x0D41, 0x0D43 ), new Interval( 0x0D4D, 0x0D4D ), - new Interval( 0x0DCA, 0x0DCA ), new Interval( 0x0DD2, 0x0DD4 ), new Interval( 0x0DD6, 0x0DD6 ), - new Interval( 0x0E31, 0x0E31 ), new Interval( 0x0E34, 0x0E3A ), new Interval( 0x0E47, 0x0E4E ), - new Interval( 0x0EB1, 0x0EB1 ), new Interval( 0x0EB4, 0x0EB9 ), new Interval( 0x0EBB, 0x0EBC ), - new Interval( 0x0EC8, 0x0ECD ), new Interval( 0x0F18, 0x0F19 ), new Interval( 0x0F35, 0x0F35 ), - new Interval( 0x0F37, 0x0F37 ), new Interval( 0x0F39, 0x0F39 ), new Interval( 0x0F71, 0x0F7E ), - new Interval( 0x0F80, 0x0F84 ), new Interval( 0x0F86, 0x0F87 ), new Interval( 0x0F90, 0x0F97 ), - new Interval( 0x0F99, 0x0FBC ), new Interval( 0x0FC6, 0x0FC6 ), new Interval( 0x102D, 0x1030 ), - new Interval( 0x1032, 0x1032 ), new Interval( 0x1036, 0x1037 ), new Interval( 0x1039, 0x1039 ), - new Interval( 0x1058, 0x1059 ), new Interval( 0x1160, 0x11FF ), new Interval( 0x135F, 0x135F ), - new Interval( 0x1712, 0x1714 ), new Interval( 0x1732, 0x1734 ), new Interval( 0x1752, 0x1753 ), - new Interval( 0x1772, 0x1773 ), new Interval( 0x17B4, 0x17B5 ), new Interval( 0x17B7, 0x17BD ), - new Interval( 0x17C6, 0x17C6 ), new Interval( 0x17C9, 0x17D3 ), new Interval( 0x17DD, 0x17DD ), - new Interval( 0x180B, 0x180D ), new Interval( 0x18A9, 0x18A9 ), new Interval( 0x1920, 0x1922 ), - new Interval( 0x1927, 0x1928 ), new Interval( 0x1932, 0x1932 ), new Interval( 0x1939, 0x193B ), - new Interval( 0x1A17, 0x1A18 ), new Interval( 0x1B00, 0x1B03 ), new Interval( 0x1B34, 0x1B34 ), - new Interval( 0x1B36, 0x1B3A ), new Interval( 0x1B3C, 0x1B3C ), new Interval( 0x1B42, 0x1B42 ), - new Interval( 0x1B6B, 0x1B73 ), new Interval( 0x1DC0, 0x1DCA ), new Interval( 0x1DFE, 0x1DFF ), - new Interval( 0x200B, 0x200F ), new Interval( 0x202A, 0x202E ), new Interval( 0x2060, 0x2063 ), - new Interval( 0x206A, 0x206F ), new Interval( 0x20D0, 0x20EF ), new Interval( 0x302A, 0x302F ), - new Interval( 0x3099, 0x309A ), new Interval( 0xA806, 0xA806 ), new Interval( 0xA80B, 0xA80B ), - new Interval( 0xA825, 0xA826 ), new Interval( 0xFB1E, 0xFB1E ), new Interval( 0xFE00, 0xFE0F ), - new Interval( 0xFE20, 0xFE23 ), new Interval( 0xFEFF, 0xFEFF ), new Interval( 0xFFF9, 0xFFFB ), - new Interval( 0x10A01, 0x10A03 ), new Interval( 0x10A05, 0x10A06 ), new Interval( 0x10A0C, 0x10A0F ), - new Interval( 0x10A38, 0x10A3A ), new Interval( 0x10A3F, 0x10A3F ), new Interval( 0x1D167, 0x1D169 ), - new Interval( 0x1D173, 0x1D182 ), new Interval( 0x1D185, 0x1D18B ), new Interval( 0x1D1AA, 0x1D1AD ), - new Interval( 0x1D242, 0x1D244 ), new Interval( 0xE0001, 0xE0001 ), new Interval( 0xE0020, 0xE007F ), - new Interval( 0xE0100, 0xE01EF ) - }; - - private static class Interval { - public final int first; - public final int last; - - public Interval(int first, int last) { - this.first = first; - this.last = last; - } - } - - /* auxiliary function for binary search in interval table */ - private static boolean bisearch(int ucs, Interval[] table, int max) { - int min = 0; - int mid; - - if (ucs < table[0].first || ucs > table[max].last) - return false; - while (max >= min) { - mid = (min + max) / 2; - if (ucs > table[mid].last) - min = mid + 1; - else if (ucs < table[mid].first) - max = mid - 1; - else - return true; - } - - return false; - } - - -}