/*======================================================================*\ | Functions to enquire character width | as depending on terminal properties, | varying with terminal kind and version, | according to different Unicode versions and other features \*======================================================================*/ #include "termprop.h" /*======================================================================*\ | Table structure: tables of character ranges; lookup function \*======================================================================*/ struct interval { unsigned long first; unsigned long last; }; static struct interval * lookup (ucs, table, length) unsigned long ucs; struct interval * table; int length; { int min = 0; int mid; int max = length - 1; /* first quick check for Latin-1 etc. characters */ if (table && ucs < table [0].first) { return 0; } /* binary search */ 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 & table [mid]; } } return 0; } /*======================================================================*\ | Table variables | - to be assigned depending on detected Unicode data version \*======================================================================*/ static struct interval * combining_table = 0; static int combining_len = -1; static struct interval * spacing_combining_table = 0; static int spacing_combining_len = -1; static struct interval * assigned_table = 0; static int assigned_len = -1; #define arrlen(arr) (sizeof (arr) / sizeof (* arr)) /*======================================================================*\ | Actual data tables | - some explicitly included here | - some generated from Unicode data (#include "width.t") \*======================================================================*/ /* Tables of combining characters, according to different versions of Unicode or wcwidth.c, respectively, arranged as sorted lists of non-overlapping intervals. */ /** Combining characters ~ Unicode 3.0 with some exceptions xterm < 157 */ static struct interval combining_old [] = { { 0x0300, 0x034E }, { 0x0360, 0x0362 }, { 0x0483, 0x0486 }, { 0x0488, 0x0489 }, { 0x0591, 0x05A1 }, { 0x05A3, 0x05B9 }, { 0x05BB, 0x05BD }, { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 }, { 0x05C4, 0x05C4 }, { 0x064B, 0x0655 }, { 0x0670, 0x0670 }, { 0x06D6, 0x06E4 }, { 0x06E7, 0x06E8 }, { 0x06EA, 0x06ED }, { 0x0711, 0x0711 }, { 0x0730, 0x074A }, { 0x07A6, 0x07B0 }, { 0x0901, 0x0902 }, { 0x093C, 0x093C }, { 0x0941, 0x0948 }, { 0x094D, 0x094D }, { 0x0951, 0x0954 }, { 0x0962, 0x0963 }, { 0x0981, 0x0981 }, { 0x09BC, 0x09BC }, { 0x09C1, 0x09C4 }, { 0x09CD, 0x09CD }, { 0x09E2, 0x09E3 }, { 0x0A02, 0x0A02 }, { 0x0A3C, 0x0A3C }, { 0x0A41, 0x0A42 }, { 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D }, { 0x0A70, 0x0A71 }, { 0x0A81, 0x0A82 }, { 0x0ABC, 0x0ABC }, { 0x0AC1, 0x0AC5 }, { 0x0AC7, 0x0AC8 }, { 0x0ACD, 0x0ACD }, { 0x0B01, 0x0B01 }, { 0x0B3C, 0x0B3C }, { 0x0B3F, 0x0B3F }, { 0x0B41, 0x0B43 }, { 0x0B4D, 0x0B4D }, { 0x0B56, 0x0B56 }, { 0x0B82, 0x0B82 }, { 0x0BC0, 0x0BC0 }, { 0x0BCD, 0x0BCD }, { 0x0C3E, 0x0C40 }, { 0x0C46, 0x0C48 }, { 0x0C4A, 0x0C4D }, { 0x0C55, 0x0C56 }, { 0x0CBF, 0x0CBF }, { 0x0CC6, 0x0CC6 }, { 0x0CCC, 0x0CCD }, { 0x0D41, 0x0D43 }, { 0x0D4D, 0x0D4D }, { 0x0DCA, 0x0DCA }, { 0x0DD2, 0x0DD4 }, { 0x0DD6, 0x0DD6 }, { 0x0E31, 0x0E31 }, { 0x0E34, 0x0E3A }, { 0x0E47, 0x0E4E }, { 0x0EB1, 0x0EB1 }, { 0x0EB4, 0x0EB9 }, { 0x0EBB, 0x0EBC }, { 0x0EC8, 0x0ECD }, { 0x0F18, 0x0F19 }, { 0x0F35, 0x0F35 }, { 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 }, { 0x0F71, 0x0F7E }, { 0x0F80, 0x0F84 }, { 0x0F86, 0x0F87 }, { 0x0F90, 0x0F97 }, { 0x0F99, 0x0FBC }, { 0x0FC6, 0x0FC6 }, { 0x102D, 0x1030 }, { 0x1032, 0x1032 }, { 0x1036, 0x1037 }, { 0x1039, 0x1039 }, { 0x1058, 0x1059 }, { 0x17B7, 0x17BD }, { 0x17C6, 0x17C6 }, { 0x17C9, 0x17D3 }, { 0x18A9, 0x18A9 }, { 0x20D0, 0x20E3 }, { 0x302A, 0x302F }, { 0x3099, 0x309A }, { 0xFB1E, 0xFB1E }, { 0xFE20, 0xFE23 } }; /** Combining characters Unicode 3.0 wcwidth 2001-01-12 xterm 157...166 */ static struct interval combining_300 []; /** Combining characters Unicode 3.2 wcwidth.c 2002-05-08 xterm 167..179 */ static struct interval combining_320 []; /** Combining characters Unicode 4.0 wcwidth.c 2003-05-20 xterm 180...201 */ static struct interval combining_400 []; /** Combining characters Unicode 4.1 xterm 202... */ static struct interval combining_410 []; /** Combining characters Unicode 5.0 */ static struct interval combining_500 []; /* Tables of ambiguous width characters, according to different versions of Unicode or wcwidth.c, respectively, arranged as sorted lists of non-overlapping intervals. */ /** Ambiguous width characters Unicode 3.2 without Private Use range plus extended end/non-BMP ranges wcwidth.c 2002-05-08 plus end/non-BMP ranges xterm 167...179 (different version in earlier xterm releases was unused) */ static struct interval ambiguous_old [] = { { 0x00A1, 0x00A1 }, { 0x00A4, 0x00A4 }, { 0x00A7, 0x00A8 }, { 0x00AA, 0x00AA }, { 0x00AD, 0x00AE }, { 0x00B0, 0x00B4 }, { 0x00B6, 0x00BA }, { 0x00BC, 0x00BF }, { 0x00C6, 0x00C6 }, { 0x00D0, 0x00D0 }, { 0x00D7, 0x00D8 }, { 0x00DE, 0x00E1 }, { 0x00E6, 0x00E6 }, { 0x00E8, 0x00EA }, { 0x00EC, 0x00ED }, { 0x00F0, 0x00F0 }, { 0x00F2, 0x00F3 }, { 0x00F7, 0x00FA }, { 0x00FC, 0x00FC }, { 0x00FE, 0x00FE }, { 0x0101, 0x0101 }, { 0x0111, 0x0111 }, { 0x0113, 0x0113 }, { 0x011B, 0x011B }, { 0x0126, 0x0127 }, { 0x012B, 0x012B }, { 0x0131, 0x0133 }, { 0x0138, 0x0138 }, { 0x013F, 0x0142 }, { 0x0144, 0x0144 }, { 0x0148, 0x014B }, { 0x014D, 0x014D }, { 0x0152, 0x0153 }, { 0x0166, 0x0167 }, { 0x016B, 0x016B }, { 0x01CE, 0x01CE }, { 0x01D0, 0x01D0 }, { 0x01D2, 0x01D2 }, { 0x01D4, 0x01D4 }, { 0x01D6, 0x01D6 }, { 0x01D8, 0x01D8 }, { 0x01DA, 0x01DA }, { 0x01DC, 0x01DC }, { 0x0251, 0x0251 }, { 0x0261, 0x0261 }, { 0x02C4, 0x02C4 }, { 0x02C7, 0x02C7 }, { 0x02C9, 0x02CB }, { 0x02CD, 0x02CD }, { 0x02D0, 0x02D0 }, { 0x02D8, 0x02DB }, { 0x02DD, 0x02DD }, { 0x02DF, 0x02DF }, { 0x0391, 0x03A1 }, { 0x03A3, 0x03A9 }, { 0x03B1, 0x03C1 }, { 0x03C3, 0x03C9 }, { 0x0401, 0x0401 }, { 0x0410, 0x044F }, { 0x0451, 0x0451 }, { 0x2010, 0x2010 }, { 0x2013, 0x2016 }, { 0x2018, 0x2019 }, { 0x201C, 0x201D }, { 0x2020, 0x2022 }, { 0x2024, 0x2027 }, { 0x2030, 0x2030 }, { 0x2032, 0x2033 }, { 0x2035, 0x2035 }, { 0x203B, 0x203B }, { 0x203E, 0x203E }, { 0x2074, 0x2074 }, { 0x207F, 0x207F }, { 0x2081, 0x2084 }, { 0x20AC, 0x20AC }, { 0x2103, 0x2103 }, { 0x2105, 0x2105 }, { 0x2109, 0x2109 }, { 0x2113, 0x2113 }, { 0x2116, 0x2116 }, { 0x2121, 0x2122 }, { 0x2126, 0x2126 }, { 0x212B, 0x212B }, { 0x2153, 0x2154 }, { 0x215B, 0x215E }, { 0x2160, 0x216B }, { 0x2170, 0x2179 }, { 0x2190, 0x2199 }, { 0x21B8, 0x21B9 }, { 0x21D2, 0x21D2 }, { 0x21D4, 0x21D4 }, { 0x21E7, 0x21E7 }, { 0x2200, 0x2200 }, { 0x2202, 0x2203 }, { 0x2207, 0x2208 }, { 0x220B, 0x220B }, { 0x220F, 0x220F }, { 0x2211, 0x2211 }, { 0x2215, 0x2215 }, { 0x221A, 0x221A }, { 0x221D, 0x2220 }, { 0x2223, 0x2223 }, { 0x2225, 0x2225 }, { 0x2227, 0x222C }, { 0x222E, 0x222E }, { 0x2234, 0x2237 }, { 0x223C, 0x223D }, { 0x2248, 0x2248 }, { 0x224C, 0x224C }, { 0x2252, 0x2252 }, { 0x2260, 0x2261 }, { 0x2264, 0x2267 }, { 0x226A, 0x226B }, { 0x226E, 0x226F }, { 0x2282, 0x2283 }, { 0x2286, 0x2287 }, { 0x2295, 0x2295 }, { 0x2299, 0x2299 }, { 0x22A5, 0x22A5 }, { 0x22BF, 0x22BF }, { 0x2312, 0x2312 }, { 0x2460, 0x24E9 }, { 0x24EB, 0x24FE }, { 0x2500, 0x254B }, { 0x2550, 0x2573 }, { 0x2580, 0x258F }, { 0x2592, 0x2595 }, { 0x25A0, 0x25A1 }, { 0x25A3, 0x25A9 }, { 0x25B2, 0x25B3 }, { 0x25B6, 0x25B7 }, { 0x25BC, 0x25BD }, { 0x25C0, 0x25C1 }, { 0x25C6, 0x25C8 }, { 0x25CB, 0x25CB }, { 0x25CE, 0x25D1 }, { 0x25E2, 0x25E5 }, { 0x25EF, 0x25EF }, { 0x2605, 0x2606 }, { 0x2609, 0x2609 }, { 0x260E, 0x260F }, { 0x261C, 0x261C }, { 0x261E, 0x261E }, { 0x2640, 0x2640 }, { 0x2642, 0x2642 }, { 0x2660, 0x2661 }, { 0x2663, 0x2665 }, { 0x2667, 0x266A }, { 0x266C, 0x266D }, { 0x266F, 0x266F }, { 0x273D, 0x273D }, { 0x2776, 0x277F }, { 0xFFFD, 0xFFFF }, { 0xF0000, 0x7FFFFFFF } }; /** Ambiguous width characters Unicode 4.0 plus extended end/non-BMP ranges wcwidth.c 2003-05-20 plus extended end/non-BMP ranges wcwidth.c 2007-05-25 plus extended end/non-BMP ranges xterm 180... */ static struct interval ambiguous_400 [] = { { 0x00A1, 0x00A1 }, { 0x00A4, 0x00A4 }, { 0x00A7, 0x00A8 }, { 0x00AA, 0x00AA }, { 0x00AE, 0x00AE }, { 0x00B0, 0x00B4 }, { 0x00B6, 0x00BA }, { 0x00BC, 0x00BF }, { 0x00C6, 0x00C6 }, { 0x00D0, 0x00D0 }, { 0x00D7, 0x00D8 }, { 0x00DE, 0x00E1 }, { 0x00E6, 0x00E6 }, { 0x00E8, 0x00EA }, { 0x00EC, 0x00ED }, { 0x00F0, 0x00F0 }, { 0x00F2, 0x00F3 }, { 0x00F7, 0x00FA }, { 0x00FC, 0x00FC }, { 0x00FE, 0x00FE }, { 0x0101, 0x0101 }, { 0x0111, 0x0111 }, { 0x0113, 0x0113 }, { 0x011B, 0x011B }, { 0x0126, 0x0127 }, { 0x012B, 0x012B }, { 0x0131, 0x0133 }, { 0x0138, 0x0138 }, { 0x013F, 0x0142 }, { 0x0144, 0x0144 }, { 0x0148, 0x014B }, { 0x014D, 0x014D }, { 0x0152, 0x0153 }, { 0x0166, 0x0167 }, { 0x016B, 0x016B }, { 0x01CE, 0x01CE }, { 0x01D0, 0x01D0 }, { 0x01D2, 0x01D2 }, { 0x01D4, 0x01D4 }, { 0x01D6, 0x01D6 }, { 0x01D8, 0x01D8 }, { 0x01DA, 0x01DA }, { 0x01DC, 0x01DC }, { 0x0251, 0x0251 }, { 0x0261, 0x0261 }, { 0x02C4, 0x02C4 }, { 0x02C7, 0x02C7 }, { 0x02C9, 0x02CB }, { 0x02CD, 0x02CD }, { 0x02D0, 0x02D0 }, { 0x02D8, 0x02DB }, { 0x02DD, 0x02DD }, { 0x02DF, 0x02DF }, { 0x0391, 0x03A1 }, { 0x03A3, 0x03A9 }, { 0x03B1, 0x03C1 }, { 0x03C3, 0x03C9 }, { 0x0401, 0x0401 }, { 0x0410, 0x044F }, { 0x0451, 0x0451 }, { 0x2010, 0x2010 }, { 0x2013, 0x2016 }, { 0x2018, 0x2019 }, { 0x201C, 0x201D }, { 0x2020, 0x2022 }, { 0x2024, 0x2027 }, { 0x2030, 0x2030 }, { 0x2032, 0x2033 }, { 0x2035, 0x2035 }, { 0x203B, 0x203B }, { 0x203E, 0x203E }, { 0x2074, 0x2074 }, { 0x207F, 0x207F }, { 0x2081, 0x2084 }, { 0x20AC, 0x20AC }, { 0x2103, 0x2103 }, { 0x2105, 0x2105 }, { 0x2109, 0x2109 }, { 0x2113, 0x2113 }, { 0x2116, 0x2116 }, { 0x2121, 0x2122 }, { 0x2126, 0x2126 }, { 0x212B, 0x212B }, { 0x2153, 0x2154 }, { 0x215B, 0x215E }, { 0x2160, 0x216B }, { 0x2170, 0x2179 }, { 0x2190, 0x2199 }, { 0x21B8, 0x21B9 }, { 0x21D2, 0x21D2 }, { 0x21D4, 0x21D4 }, { 0x21E7, 0x21E7 }, { 0x2200, 0x2200 }, { 0x2202, 0x2203 }, { 0x2207, 0x2208 }, { 0x220B, 0x220B }, { 0x220F, 0x220F }, { 0x2211, 0x2211 }, { 0x2215, 0x2215 }, { 0x221A, 0x221A }, { 0x221D, 0x2220 }, { 0x2223, 0x2223 }, { 0x2225, 0x2225 }, { 0x2227, 0x222C }, { 0x222E, 0x222E }, { 0x2234, 0x2237 }, { 0x223C, 0x223D }, { 0x2248, 0x2248 }, { 0x224C, 0x224C }, { 0x2252, 0x2252 }, { 0x2260, 0x2261 }, { 0x2264, 0x2267 }, { 0x226A, 0x226B }, { 0x226E, 0x226F }, { 0x2282, 0x2283 }, { 0x2286, 0x2287 }, { 0x2295, 0x2295 }, { 0x2299, 0x2299 }, { 0x22A5, 0x22A5 }, { 0x22BF, 0x22BF }, { 0x2312, 0x2312 }, { 0x2460, 0x24E9 }, { 0x24EB, 0x254B }, { 0x2550, 0x2573 }, { 0x2580, 0x258F }, { 0x2592, 0x2595 }, { 0x25A0, 0x25A1 }, { 0x25A3, 0x25A9 }, { 0x25B2, 0x25B3 }, { 0x25B6, 0x25B7 }, { 0x25BC, 0x25BD }, { 0x25C0, 0x25C1 }, { 0x25C6, 0x25C8 }, { 0x25CB, 0x25CB }, { 0x25CE, 0x25D1 }, { 0x25E2, 0x25E5 }, { 0x25EF, 0x25EF }, { 0x2605, 0x2606 }, { 0x2609, 0x2609 }, { 0x260E, 0x260F }, { 0x2614, 0x2615 }, { 0x261C, 0x261C }, { 0x261E, 0x261E }, { 0x2640, 0x2640 }, { 0x2642, 0x2642 }, { 0x2660, 0x2661 }, { 0x2663, 0x2665 }, { 0x2667, 0x266A }, { 0x266C, 0x266D }, { 0x266F, 0x266F }, { 0x273D, 0x273D }, { 0x2776, 0x277F }, { 0xE000, 0xF8FF }, { 0xFFFD, 0xFFFF }, { 0xF0000, 0x7FFFFFFF } }; #include "width.t" /*======================================================================*\ | Width enquiry functions; and table setup \*======================================================================*/ static int configured_combining_data_version = -1; static void term_setup_data () { if (combining_data_version >= U500) { combining_table = combining_500; combining_len = arrlen (combining_500); spacing_combining_table = spacing_combining_500; spacing_combining_len = arrlen (spacing_combining_500); assigned_table = assigned_500; assigned_len = arrlen (assigned_500); } else if (combining_data_version == U410) { combining_table = combining_410; combining_len = arrlen (combining_410); spacing_combining_table = spacing_combining_410; spacing_combining_len = arrlen (spacing_combining_410); assigned_table = assigned_410; assigned_len = arrlen (assigned_410); } else if (combining_data_version == U400) { combining_table = combining_400; combining_len = arrlen (combining_400); spacing_combining_table = spacing_combining_400; spacing_combining_len = arrlen (spacing_combining_400); assigned_table = assigned_400; assigned_len = arrlen (assigned_400); } else if (combining_data_version == U320) { combining_table = combining_320; combining_len = arrlen (combining_320); spacing_combining_table = spacing_combining_320; spacing_combining_len = arrlen (spacing_combining_320); assigned_table = assigned_320; assigned_len = arrlen (assigned_320); } else if (combining_data_version == U300) { combining_table = combining_300; combining_len = arrlen (combining_300); spacing_combining_table = spacing_combining_300; spacing_combining_len = arrlen (spacing_combining_300); assigned_table = assigned_300; assigned_len = arrlen (assigned_300); } else { combining_table = combining_old; combining_len = arrlen (combining_old); spacing_combining_table = spacing_combining_300; spacing_combining_len = arrlen (spacing_combining_300); assigned_table = assigned_300; assigned_len = arrlen (assigned_300); } configured_combining_data_version = combining_data_version; } static int iscombining_listed (ucs) unsigned long ucs; { if (configured_combining_data_version != combining_data_version) { term_setup_data (); } if (lookup (ucs, combining_table, combining_len) || (spacing_combining && lookup (ucs, spacing_combining_table, spacing_combining_len)) ) { if (ucs < 0x10000) { return 1; } else if (ucs >= 0xE0000) { return plane_14_combining; } else { return plane_1_combining; } } else { return 0; } } /* Check whether a Unicode code is a valid (assigned) Unicode character. */ int term_isassigned (ucs) unsigned long ucs; { if (configured_combining_data_version != combining_data_version) { term_setup_data (); } if (lookup (ucs, assigned_table, assigned_len)) { return 1; } else { return 0; } } /* Check whether a Unicode character is a combining character, based on its Unicode general category being Mn (Mark Nonspacing), Me (Mark Enclosing), Cf (Other Format), or (depending on terminal features) Mc (Mark Spacing Combining). */ int term_iscombining (ucs) unsigned long ucs; { if (unassigned_single_width) { if (rxvt_version > 0) { /* handle weird mapping of non-Unicode ranges */ if (ucs < 0x80000000) { ucs &= 0x1FFFFF; } } if (! bidi_screen) { /* special case of rxvt, not mlterm */ if (ucs >= 0xF8F0 && ucs <= 0xF8FF) { return 1; } } return iscombining_listed (ucs) && term_isassigned (ucs); } else if (konsole_version > 0 && ucs >= 0x200000) { return 1; } else { return iscombining_listed (ucs); } } #define dont_debug_width #ifdef debug_width #include #define do_trace(c) if (ucs == c) _do_trace = 1; #define trace_width(tag, res) if (_do_trace) printf ("iswide (%04X) [%s]: %d\n", ucs, tag, res); #else #define trace_width(tag, res) #endif /* Check whether a Unicode character is a wide character, based on its Unicode category being East Asian Wide (W) or East Asian FullWidth (F) as defined in Unicode Technical Report #11, East Asian Ambiguous (A) if the terminal is running in CJK compatibility mode (xterm -cjk_width). Data taken from different versions of http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c */ int term_iswide (ucs) unsigned long ucs; { #ifdef debug_width int _do_trace = 0; do_trace (0x4DC0); #endif if (ucs >= 0x4DC0 && ucs <= 0x4DFF) { trace_width ("hexagram", wide_Yijing_hexagrams); return wide_Yijing_hexagrams; } if (unassigned_single_width) { if (rxvt_version > 0) { /* handle weird mapping of non-Unicode ranges */ if (ucs < 0x80000000) { ucs &= 0x1FFFFF; } } if (! term_isassigned (ucs)) { trace_width ("unassigned_single_width", 0); return 0; } } /* handle xterm -cjk_width */ if (cjk_width_data_version) { if (cjk_width_data_version == U400 && (utf8_screen || ucs >= 0x100 || cjk_wide_latin1) && lookup (ucs, ambiguous_400, arrlen (ambiguous_400)) ) { trace_width ("cjk 400", 1); return 1; } if (cjk_width_data_version == U320beta && (utf8_screen || ucs >= 0x100 /*|| cjk_uni_term*/ || cjk_wide_latin1) && lookup (ucs, ambiguous_old, arrlen (ambiguous_old)) ) { trace_width ("cjk 320", 1); return 1; } /* Surrogates are also displayed wide by xterm -cjk_width */ if (ucs >= 0xD800 && ucs <= 0xDFFF) { trace_width ("cjk surrogates", 1); return 1; } /* Non-BMP are also displayed wide by xterm -cjk_width */ if (ucs >= 0x10000 && plane_2_double_width) { trace_width ("cjk non-bmp", 1); return 1; } } /* first quick check for Latin-1 etc. characters */ if (ucs < 0x1100) { trace_width ("low", 0); return 0; } if (width_data_version == 0) { trace_width ("none", 0); return 0; } if (bidi_screen) { /* handle mlterm deviations */ if (ucs == 0x2329 || ucs == 0x232A || /* angle brackets */ (ucs >= 0xA000 && ucs <= 0xA4C6) /* Yi */ ) { trace_width ("bidi", 0); return 0; } } if (width_data_version <= U300) { trace_width ("300", -1); return /* wide character ranges Unicode 3.0 wcwidth 2001-01-12 xterm 157...166 */ (ucs >= 0x1100 && ucs <= 0x115f) || /* Hangul Jamo */ (ucs >= 0x2e80 && ucs <= 0xa4cf && (ucs & (unsigned long) ~0x0011) != 0x300a && ucs != 0x303f) || /* CJK ... Yi */ (ucs >= 0xac00 && ucs <= 0xd7a3) || /* Hangul Syllables */ (ucs >= 0xf900 && ucs <= 0xfaff) || /* CJK Compatibility Ideographs */ (ucs >= 0xfe30 && ucs <= 0xfe6f) || /* CJK Compatibility Forms */ (ucs >= 0xff00 && ucs <= 0xff5f) || /* Fullwidth Forms */ (ucs >= 0xffe0 && ucs <= 0xffe6) || (ucs >= 0x20000 && ucs <= 0x2ffff && plane_2_double_width) /* missing before xterm 157 */ ; } else { trace_width ("...", -1); return /* wide character ranges Unicode 3.2 - without 0x3???? range: wcwidth 2002-05-08 xterm 167...179 Unicode 4.0 - including 0x3???? range: wcwidth 2003-05-20 xterm 180... */ /* wide character ranges Unicode 4.1 wcwidth 2007-05-25 */ (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 */ (width_data_version >= U410 && 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 <= 0x3ffff && plane_2_double_width) )); } } /*======================================================================*\ | End \*======================================================================*/