397 lines
16 KiB
C
397 lines
16 KiB
C
#include "private.h"
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#include <Elementary.h>
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#include "termpty.h"
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#include "termptydbl.h"
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Eina_Bool
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_termpty_is_dblwidth_slow_get(const Termpty *ty, int g)
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{
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// check for east asian full-width (F), half-width (H), wide (W),
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// narrow (Na) or ambiguous (A) codepoints
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// ftp://ftp.unicode.org/Public/UNIDATA/EastAsianWidth.txt
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// emoji should be double since unicode 9 (was single before):
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// http://www.unicode.org/emoji/charts/full-emoji-list.html
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//
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// [ 0x0080 -> 0x02AF] !!! handle carefully **
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// [ 0x1DC0 -> 0x1DFF]
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// [ 0x1E00 -> 0x1EFF]
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// [ 0x2000 -> 0x209F] !!! handle carefully **
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// [ 0x20D0 -> 0x214F]
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// [ 0x2190 -> 0x23FF]
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// [ 0x2460 -> 0x24FF]
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// [ 0x2600 -> 0x262F]
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// [ 0x2638 -> 0x27EF]
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// [ 0x2900 -> 0x29FF]
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// [ 0x2B00 -> 0x2BFF] !!! unicode only 2B55 2B50
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// [ 0x2C60 -> 0x2C7F]
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// [ 0x2E00 -> 0x2E7F]
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// [ 0x3000 -> 0x303F] !! not 33D1
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// [ 0xA490 -> 0xA4CF]
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// [0x1F000 -> 0x1F02F]
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// [0x1F0A0 -> 0x1F0FF]
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// [0x1F100 -> 0x1F64F]
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// [0x1F680 -> 0x1F6FF]
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// [0x1F910 -> 0x1F96B]
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// [0x1F980 -> 0x1F9E0]
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//
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// ** these range include these odities:
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// © (copyright) 00A9
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// ® (registered) 00AE
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// ‼ (double exclamation) 203C
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// ⁉ (exclamation questionmark) 2049
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// which should be single width, so ignore them
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// (W)
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// optimization: only look into more detailed ranges if within larger block
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if ((g >= 0x1100) && (g <= 0x3FFFD))
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{
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if (
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// 1XXX
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((g >= 0x1100) && (g <= 0x115f)) || // Hangul Jamo
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// 2XXX
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((g == 0x2329) || (g == 0x232a)) || // <>
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((g >= 0x2e80) && (g <= 0x2ffb)) || // Radical supplements
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// 3XXX -> A4C6
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((g >= 0x3001) && (g <= 0x303f)) || // CJK Symbols and Punctuation
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((g >= 0x3041) && (g <= 0x3247)) || // Hiragana, Katakana,
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// Bopomoto, Hangul
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// Compatibility Jamo, Kanbun,
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// Bopomofo Extended, CJK
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// Strokes, Katana Phonetic
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// Extensions, Enclosed CJK
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// Letters and Months
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((g >= 0x3250) && (g <= 0x33D0)) || // Enclosed CJK Letters and
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// Months, CJK Compatibility
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// [ symbols used by "powerline" ]
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((g >= 0x33D2) && (g <= 0x4dbf)) || // CJK Compatibility, CJK
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// Unified Ideographs
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// Extension A, Yijing
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// Hexagram Symbols
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((g >= 0x4e00) && (g <= 0xa4c6)) || // CJK Unified Ideographs,
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// Yi Syllables, Yi Radicals
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// aXXX
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((g >= 0xa960) && (g <= 0xa97c)) || // Hangul Jamo Extended A
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((g >= 0xac00) && (g <= 0xd7a3)) || // Hangul Syllables
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// fXXX
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((g >= 0xf900) && (g <= 0xfaff)) || // CJK Compatibility Ideographs
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((g >= 0xfe10) && (g <= 0xfe19)) || // Vertical Forms
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((g >= 0xfe30) && (g <= 0xfe6b)) || // CJK Compatibility Forms,
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// Small Forms Variant
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// 1XXXX
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((g >= 0x1b000) && (g <= 0x1b11e)) || // Kana Supplement, Kana
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// Extended A
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((g >= 0x1b170) && (g <= 0x1b2fb)) || // Nushu
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((g >= 0x1f200) && (g <= 0x1f202)) || // Enclosed Ideographic
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// Supplement
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((g >= 0x1f210) && (g <= 0x1f265)) || // Enclosed Ideographic
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// Supplement
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// 2XXXX
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((g >= 0x20000) && (g <= 0x2fffd)) || // CJK
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// 3XXXX
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((g >= 0x30000) && (g <= 0x3fffd)))
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return EINA_TRUE;
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}
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if (ty->config->emoji_dbl_width && ((g >= 0x1f004) && (g <= 0x1f9c0)))
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{
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/* Taken from
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* https://github.com/ridiculousfish/widecharwidth/blob/master/widechar_width.h
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*/
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const uint16_t u = (g & 0xfff);
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if ( (u == 0x004) ||
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(u == 0x0cf) ||
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((u >= 0x170) && (u <= 0x171)) ||
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((u >= 0x17e) && (u <= 0x17f)) ||
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(u == 0x18e) ||
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((u >= 0x191) && (u <= 0x19a)) ||
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((u >= 0x1e6) && (u <= 0x1ff)) ||
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((u >= 0x201) && (u < 0x202)) ||
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(u == 0x21a) ||
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(u == 0x22f) ||
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((u >= 0x232) && (u <= 0x23a)) ||
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((u >= 0x250) && (u <= 0x251)) ||
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((u >= 0x300) && (u <= 0x321)) ||
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((u >= 0x324) && (u <= 0x393)) ||
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((u >= 0x396) && (u <= 0x397)) ||
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((u >= 0x399) && (u <= 0x39B)) ||
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((u >= 0x39E) && (u <= 0x3F0)) ||
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((u >= 0x3F3) && (u <= 0x3F5)) ||
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((u >= 0x3F7) && (u <= 0x4FD)) ||
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((u >= 0x4FF) && (u <= 0x53D)) ||
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((u >= 0x549) && (u <= 0x54E)) ||
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((u >= 0x550) && (u <= 0x567)) ||
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((u >= 0x56F) && (u <= 0x570)) ||
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((u >= 0x573) && (u <= 0x579)) ||
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(u == 0x587) ||
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((u >= 0x58A) && (u <= 0x58D)) ||
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(u == 0x590) ||
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((u >= 0x595) && (u <= 0x596)) ||
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(u == 0x5A5) ||
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(u == 0x5A8) ||
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((u >= 0x5B1) && (u <= 0x5B2)) ||
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(u == 0x5BC) ||
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((u >= 0x5C2) && (u <= 0x5C4)) ||
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((u >= 0x5D1) && (u <= 0x5D3)) ||
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((u >= 0x5DC) && (u <= 0x5DE)) ||
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(u == 0x5E1) ||
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(u == 0x5E3) ||
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(u == 0x5E8) ||
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(u == 0x5EF) ||
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(u == 0x5F3) ||
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((u >= 0x5FA) && (u <= 0x64F)) ||
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((u >= 0x680) && (u <= 0x6C5)) ||
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((u >= 0x6CB) && (u <= 0x6D0)) ||
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((u >= 0x6E0) && (u <= 0x6E5)) ||
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(u == 0x6E9) ||
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((u >= 0x6EB) && (u <= 0x6EC)) ||
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(u == 0x6F0) ||
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(u == 0x6F3) ||
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((u >= 0x910) && (u <= 0x918)) ||
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((u >= 0x980) && (u <= 0x984)) ||
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(u == 0x9C0)
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)
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return EINA_TRUE;
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}
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// FIXME: can optimize by breaking into tree and ranges
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// (A)
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if (ty->termstate.cjk_ambiguous_wide)
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{
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// grep ';A #' EastAsianWidth.txt | wc -l
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// :(
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if (
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// aX
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(((g >> 4) == 0xa) &&
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(
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(g == 0x00a1) ||
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(g == 0x00a4) ||
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((g >= 0x00a7) && (g <= 0x00a8)) ||
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(g == 0x00aa) ||
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((g >= 0x00ad) && (g <= 0x00ae)))) ||
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// bX
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(((g >> 4) == 0xb) &&
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(((g >= 0x00b0) && (g <= 0x00bf)))) ||
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// cX
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(((g >> 4) == 0xc) &&
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((g == 0x00c6))) ||
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// dX
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(((g >> 4) == 0xd) &&
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(
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(g == 0x00d0) ||
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((g >= 0x00d7) && (g <= 0x00d8)) ||
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((g >= 0x00de) && (g <= 0x00df)))) ||
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// eX
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(((g >> 4) == 0xe) &&
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(
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(g == 0x00e0) ||
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(g == 0x00e1) ||
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(g == 0x00e6) ||
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((g >= 0x00e8) && (g <= 0x00e9)) ||
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(g == 0x00ea) ||
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((g >= 0x00ec) && (g <= 0x00ed)))) ||
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// fX
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(((g >> 4) == 0xf) &&
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(
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(g == 0x00f0) ||
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((g >= 0x00f2) && (g <= 0x00f3)) ||
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((g >= 0x00f7) && (g <= 0x00f9)) ||
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(g == 0x00fa) ||
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(g == 0x00fc) ||
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(g == 0x00fe))) ||
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// 1XX
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(((g >> 8) == 0x1) &&
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(
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(g == 0x0101) ||
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(g == 0x0111) ||
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(g == 0x0113) ||
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(g == 0x011b) ||
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((g >= 0x0126) && (g <= 0x0127)) ||
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(g == 0x012b) ||
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((g >= 0x0131) && (g <= 0x0133)) ||
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(g == 0x0138) ||
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((g >= 0x013f) && (g <= 0x0142)) ||
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(g == 0x0144) ||
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((g >= 0x0148) && (g <= 0x014b)) ||
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(g == 0x014d) ||
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((g >= 0x0152) && (g <= 0x0153)) ||
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((g >= 0x0166) && (g <= 0x0167)) ||
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(g == 0x016b) ||
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(g == 0x01ce) ||
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(g == 0x01d0) ||
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(g == 0x01d2) ||
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(g == 0x01d4) ||
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(g == 0x01d6) ||
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(g == 0x01d8) ||
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(g == 0x01da) ||
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(g == 0x01dc))) ||
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// 2XX
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(((g >> 8) == 0x2) &&
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(
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(g == 0x0251) ||
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(g == 0x0261) ||
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(g == 0x02c4) ||
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(g == 0x02c7) ||
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(g == 0x02c9) ||
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((g >= 0x02ca) && (g <= 0x02cb)) ||
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(g == 0x02cd) ||
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(g == 0x02d0) ||
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((g >= 0x02d8) && (g <= 0x02d9)) ||
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((g >= 0x02da) && (g <= 0x02db)) ||
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(g == 0x02dd) ||
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(g == 0x02df))) ||
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// 3XX
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(((g >> 8) == 0x3) &&
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(
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((g >= 0x0300) && (g <= 0x036f)) ||
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((g >= 0x0391) && (g <= 0x03c9)))) ||
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// 4XX
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(((g >> 8) == 0x4) &&
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(
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(g == 0x0401) ||
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((g >= 0x0410) && (g <= 0x044f)) ||
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(g == 0x0451))) ||
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// 2XXX
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(((g >> 12) == 0x2) &&
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((((g >> 8) == 0x20) &&
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(
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(g == 0x2010) ||
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((g >= 0x2013) && (g <= 0x2016)) ||
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((g >= 0x2018) && (g <= 0x2019)) ||
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(g == 0x201c) ||
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(g == 0x201d) ||
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((g >= 0x2020) && (g <= 0x2022)) ||
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((g >= 0x2024) && (g <= 0x2027)) ||
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(g == 0x2030) ||
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((g >= 0x2032) && (g <= 0x2033)) ||
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(g == 0x2035) ||
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(g == 0x203b) ||
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(g == 0x203e) ||
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(g == 0x2074) ||
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(g == 0x207f) ||
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((g >= 0x2081) && (g <= 0x2084)) ||
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(g == 0x20ac))) ||
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(((g >> 8) == 0x21) &&
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(
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(g == 0x2103) ||
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(g == 0x2105) ||
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(g == 0x2109) ||
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(g == 0x2113) ||
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(g == 0x2116) ||
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((g >= 0x2121) && (g <= 0x2122)) ||
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(g == 0x2126) ||
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(g == 0x212b) ||
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((g >= 0x2153) && (g <= 0x2154)) ||
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((g >= 0x215b) && (g <= 0x215e)) ||
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((g >= 0x2160) && (g <= 0x216b)) ||
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((g >= 0x2170) && (g <= 0x2179)) ||
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((g >= 0x2189) && (g <= 0x2199)) ||
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((g >= 0x21b8) && (g <= 0x21b9)) ||
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(g == 0x21d2) ||
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(g == 0x21d4) ||
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(g == 0x21e7))) ||
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(((g >> 8) == 0x22) &&
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(
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(g == 0x2200) ||
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((g >= 0x2202) && (g <= 0x2203)) ||
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((g >= 0x2207) && (g <= 0x2208)) ||
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(g == 0x220b) ||
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(g == 0x220f) ||
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(g == 0x2211) ||
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(g == 0x2215) ||
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(g == 0x221a) ||
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((g >= 0x221d) && (g <= 0x221f)) ||
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(g == 0x2220) ||
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(g == 0x2223) ||
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(g == 0x2225) ||
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((g >= 0x2227) && (g <= 0x222e)) ||
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((g >= 0x2234) && (g <= 0x2237)) ||
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((g >= 0x223c) && (g <= 0x223d)) ||
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(g == 0x2248) ||
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(g == 0x224c) ||
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(g == 0x2252) ||
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((g >= 0x2260) && (g <= 0x2261)) ||
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((g >= 0x2264) && (g <= 0x2267)) ||
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((g >= 0x226a) && (g <= 0x226b)) ||
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((g >= 0x226e) && (g <= 0x226f)) ||
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((g >= 0x2282) && (g <= 0x2283)) ||
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((g >= 0x2286) && (g <= 0x2287)) ||
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(g == 0x2295) ||
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(g == 0x2299) ||
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(g == 0x22a5) ||
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(g == 0x22bf))) ||
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(((g >> 8) == 0x23) &&
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((g == 0x2312))) ||
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((((g >> 8) == 0x24) || ((g >> 8) == 0x25)) &&
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(((g >= 0x2460) && (g <= 0x2595)))) ||
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(((g >> 8) == 0x25) &&
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(
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((g >= 0x25a0) && (g <= 0x25bd)) ||
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((g >= 0x25c0) && (g <= 0x25c1)) ||
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((g >= 0x25c6) && (g <= 0x25c7)) ||
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(g == 0x25c8) ||
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(g == 0x25cb) ||
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((g >= 0x25ce) && (g <= 0x25cf)) ||
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((g >= 0x25d0) && (g <= 0x25d1)) ||
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((g >= 0x25e2) && (g <= 0x25e3)) ||
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((g >= 0x25e4) && (g <= 0x25e5)) ||
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(g == 0x25ef))) ||
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(((g >> 8) == 0x26) &&
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(
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((g >= 0x2605) && (g <= 0x2606)) ||
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(g == 0x2609) ||
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((g >= 0x260e) && (g <= 0x260f)) ||
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((g >= 0x2614) && (g <= 0x2615)) ||
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(g == 0x261c) ||
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(g == 0x261e) ||
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(g == 0x2640) ||
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(g == 0x2642) ||
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((g >= 0x2660) && (g <= 0x2661)) ||
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((g >= 0x2663) && (g <= 0x2665)) ||
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((g >= 0x2667) && (g <= 0x266a)) ||
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((g >= 0x266c) && (g <= 0x266d)) ||
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(g == 0x266f) ||
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((g >= 0x269e) && (g <= 0x269f)) ||
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((g >= 0x26be) && (g <= 0x26bf)) ||
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((g >= 0x26c4) && (g <= 0x26cd)) ||
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(g == 0x26cf) ||
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((g >= 0x26d0) && (g <= 0x26e1)) ||
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(g == 0x26e3) ||
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((g >= 0x26e8) && (g <= 0x26ff)))) ||
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(((g >> 8) == 0x27) &&
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(
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(g == 0x273d) ||
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(g == 0x2757) ||
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((g >= 0x2776) && (g <= 0x277f)))) ||
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(((g >> 8) == 0x2b) &&
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(((g >= 0x2b55) && (g <= 0x2b59)))))) ||
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// 3XXX
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(((g >> 12) == 0x3) &&
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(((g >= 0x3248) && (g <= 0x324f)))) ||
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// fXXX
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(((g >> 12) == 0xf) &&
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(
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((g >= 0xfe00) && (g <= 0xfe0f)) ||
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(g == 0xfffd))) ||
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// 1XXXX
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(((g >> 16) == 0x1) &&
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(
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((g >= 0x1f100) && (g <= 0x1f12d)) ||
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((g >= 0x1f130) && (g <= 0x1f169)) ||
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((g >= 0x1f170) && (g <= 0x1f19a)))) ||
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// eXXXX
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(((g >> 16) == 0xe) &&
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(((g >= 0xe0100) && (g <= 0xe01ef)))) ||
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// fXXXX
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(((g >> 16) == 0xf) &&
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(((g >= 0xf0000) && (g <= 0xffffd)))) ||
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// 1XXXXX
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(((g >> 24) == 0x1) &&
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(((g >= 0x100000) && (g <= 0x10fffd)))))
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return EINA_TRUE;
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}
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// Na, H -> not checked
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return EINA_FALSE;
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}
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