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utf8: make it easier to auto-update git_wcwidth()
The function git_wcwidth() returns for a given unicode code point the width on the display: -1 for control characters, 0 for combining or other non-visible code points 1 for e.g. ASCII 2 for double-width code points. This table had been originally been extracted for one Unicode version, probably 3.2. We now use two tables these days, one for zero-width and another for double-width. Make it easier to update these tables to a later version of Unicode by factoring out the table from utf8.c into unicode_width.h and add the script update_unicode.sh to update the table based on the latest Unicode specification files. Thanks to Peter Krefting <peter@softwolves.pp.se> and Kevin Bracey <kevin@bracey.fi> for helping with their Unicode knowledge. Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Torsten Bögershausen
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Junio C Hamano
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May 12, 2014
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@@ -225,6 +225,7 @@ | |
| /config.mak.autogen | ||
| /config.mak.append | ||
| /configure | ||
| /unicode | ||
| /tags | ||
| /TAGS | ||
| /cscope* | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,288 @@ | ||
| static const struct interval zero_width[] = { | ||
| { 0x0300, 0x036F }, | ||
| { 0x0483, 0x0489 }, | ||
| { 0x0591, 0x05BD }, | ||
| { 0x05BF, 0x05BF }, | ||
| { 0x05C1, 0x05C2 }, | ||
| { 0x05C4, 0x05C5 }, | ||
| { 0x05C7, 0x05C7 }, | ||
| { 0x0600, 0x0604 }, | ||
| { 0x0610, 0x061A }, | ||
| { 0x061C, 0x061C }, | ||
| { 0x064B, 0x065F }, | ||
| { 0x0670, 0x0670 }, | ||
| { 0x06D6, 0x06DD }, | ||
| { 0x06DF, 0x06E4 }, | ||
| { 0x06E7, 0x06E8 }, | ||
| { 0x06EA, 0x06ED }, | ||
| { 0x070F, 0x070F }, | ||
| { 0x0711, 0x0711 }, | ||
| { 0x0730, 0x074A }, | ||
| { 0x07A6, 0x07B0 }, | ||
| { 0x07EB, 0x07F3 }, | ||
| { 0x0816, 0x0819 }, | ||
| { 0x081B, 0x0823 }, | ||
| { 0x0825, 0x0827 }, | ||
| { 0x0829, 0x082D }, | ||
| { 0x0859, 0x085B }, | ||
| { 0x08E4, 0x08FE }, | ||
| { 0x0900, 0x0902 }, | ||
| { 0x093A, 0x093A }, | ||
| { 0x093C, 0x093C }, | ||
| { 0x0941, 0x0948 }, | ||
| { 0x094D, 0x094D }, | ||
| { 0x0951, 0x0957 }, | ||
| { 0x0962, 0x0963 }, | ||
| { 0x0981, 0x0981 }, | ||
| { 0x09BC, 0x09BC }, | ||
| { 0x09C1, 0x09C4 }, | ||
| { 0x09CD, 0x09CD }, | ||
| { 0x09E2, 0x09E3 }, | ||
| { 0x0A01, 0x0A02 }, | ||
| { 0x0A3C, 0x0A3C }, | ||
| { 0x0A41, 0x0A42 }, | ||
| { 0x0A47, 0x0A48 }, | ||
| { 0x0A4B, 0x0A4D }, | ||
| { 0x0A51, 0x0A51 }, | ||
| { 0x0A70, 0x0A71 }, | ||
| { 0x0A75, 0x0A75 }, | ||
| { 0x0A81, 0x0A82 }, | ||
| { 0x0ABC, 0x0ABC }, | ||
| { 0x0AC1, 0x0AC5 }, | ||
| { 0x0AC7, 0x0AC8 }, | ||
| { 0x0ACD, 0x0ACD }, | ||
| { 0x0AE2, 0x0AE3 }, | ||
| { 0x0B01, 0x0B01 }, | ||
| { 0x0B3C, 0x0B3C }, | ||
| { 0x0B3F, 0x0B3F }, | ||
| { 0x0B41, 0x0B44 }, | ||
| { 0x0B4D, 0x0B4D }, | ||
| { 0x0B56, 0x0B56 }, | ||
| { 0x0B62, 0x0B63 }, | ||
| { 0x0B82, 0x0B82 }, | ||
| { 0x0BC0, 0x0BC0 }, | ||
| { 0x0BCD, 0x0BCD }, | ||
| { 0x0C3E, 0x0C40 }, | ||
| { 0x0C46, 0x0C48 }, | ||
| { 0x0C4A, 0x0C4D }, | ||
| { 0x0C55, 0x0C56 }, | ||
| { 0x0C62, 0x0C63 }, | ||
| { 0x0CBC, 0x0CBC }, | ||
| { 0x0CBF, 0x0CBF }, | ||
| { 0x0CC6, 0x0CC6 }, | ||
| { 0x0CCC, 0x0CCD }, | ||
| { 0x0CE2, 0x0CE3 }, | ||
| { 0x0D41, 0x0D44 }, | ||
| { 0x0D4D, 0x0D4D }, | ||
| { 0x0D62, 0x0D63 }, | ||
| { 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 }, | ||
| { 0x0F8D, 0x0F97 }, | ||
| { 0x0F99, 0x0FBC }, | ||
| { 0x0FC6, 0x0FC6 }, | ||
| { 0x102D, 0x1030 }, | ||
| { 0x1032, 0x1037 }, | ||
| { 0x1039, 0x103A }, | ||
| { 0x103D, 0x103E }, | ||
| { 0x1058, 0x1059 }, | ||
| { 0x105E, 0x1060 }, | ||
| { 0x1071, 0x1074 }, | ||
| { 0x1082, 0x1082 }, | ||
| { 0x1085, 0x1086 }, | ||
| { 0x108D, 0x108D }, | ||
| { 0x109D, 0x109D }, | ||
| { 0x1160, 0x11FF }, | ||
| { 0x135D, 0x135F }, | ||
| { 0x1712, 0x1714 }, | ||
| { 0x1732, 0x1734 }, | ||
| { 0x1752, 0x1753 }, | ||
| { 0x1772, 0x1773 }, | ||
| { 0x17B4, 0x17B5 }, | ||
| { 0x17B7, 0x17BD }, | ||
| { 0x17C6, 0x17C6 }, | ||
| { 0x17C9, 0x17D3 }, | ||
| { 0x17DD, 0x17DD }, | ||
| { 0x180B, 0x180E }, | ||
| { 0x18A9, 0x18A9 }, | ||
| { 0x1920, 0x1922 }, | ||
| { 0x1927, 0x1928 }, | ||
| { 0x1932, 0x1932 }, | ||
| { 0x1939, 0x193B }, | ||
| { 0x1A17, 0x1A18 }, | ||
| { 0x1A1B, 0x1A1B }, | ||
| { 0x1A56, 0x1A56 }, | ||
| { 0x1A58, 0x1A5E }, | ||
| { 0x1A60, 0x1A60 }, | ||
| { 0x1A62, 0x1A62 }, | ||
| { 0x1A65, 0x1A6C }, | ||
| { 0x1A73, 0x1A7C }, | ||
| { 0x1A7F, 0x1A7F }, | ||
| { 0x1B00, 0x1B03 }, | ||
| { 0x1B34, 0x1B34 }, | ||
| { 0x1B36, 0x1B3A }, | ||
| { 0x1B3C, 0x1B3C }, | ||
| { 0x1B42, 0x1B42 }, | ||
| { 0x1B6B, 0x1B73 }, | ||
| { 0x1B80, 0x1B81 }, | ||
| { 0x1BA2, 0x1BA5 }, | ||
| { 0x1BA8, 0x1BA9 }, | ||
| { 0x1BAB, 0x1BAB }, | ||
| { 0x1BE6, 0x1BE6 }, | ||
| { 0x1BE8, 0x1BE9 }, | ||
| { 0x1BED, 0x1BED }, | ||
| { 0x1BEF, 0x1BF1 }, | ||
| { 0x1C2C, 0x1C33 }, | ||
| { 0x1C36, 0x1C37 }, | ||
| { 0x1CD0, 0x1CD2 }, | ||
| { 0x1CD4, 0x1CE0 }, | ||
| { 0x1CE2, 0x1CE8 }, | ||
| { 0x1CED, 0x1CED }, | ||
| { 0x1CF4, 0x1CF4 }, | ||
| { 0x1DC0, 0x1DE6 }, | ||
| { 0x1DFC, 0x1DFF }, | ||
| { 0x200B, 0x200F }, | ||
| { 0x202A, 0x202E }, | ||
| { 0x2060, 0x2064 }, | ||
| { 0x2066, 0x206F }, | ||
| { 0x20D0, 0x20F0 }, | ||
| { 0x2CEF, 0x2CF1 }, | ||
| { 0x2D7F, 0x2D7F }, | ||
| { 0x2DE0, 0x2DFF }, | ||
| { 0x302A, 0x302D }, | ||
| { 0x3099, 0x309A }, | ||
| { 0xA66F, 0xA672 }, | ||
| { 0xA674, 0xA67D }, | ||
| { 0xA69F, 0xA69F }, | ||
| { 0xA6F0, 0xA6F1 }, | ||
| { 0xA802, 0xA802 }, | ||
| { 0xA806, 0xA806 }, | ||
| { 0xA80B, 0xA80B }, | ||
| { 0xA825, 0xA826 }, | ||
| { 0xA8C4, 0xA8C4 }, | ||
| { 0xA8E0, 0xA8F1 }, | ||
| { 0xA926, 0xA92D }, | ||
| { 0xA947, 0xA951 }, | ||
| { 0xA980, 0xA982 }, | ||
| { 0xA9B3, 0xA9B3 }, | ||
| { 0xA9B6, 0xA9B9 }, | ||
| { 0xA9BC, 0xA9BC }, | ||
| { 0xAA29, 0xAA2E }, | ||
| { 0xAA31, 0xAA32 }, | ||
| { 0xAA35, 0xAA36 }, | ||
| { 0xAA43, 0xAA43 }, | ||
| { 0xAA4C, 0xAA4C }, | ||
| { 0xAAB0, 0xAAB0 }, | ||
| { 0xAAB2, 0xAAB4 }, | ||
| { 0xAAB7, 0xAAB8 }, | ||
| { 0xAABE, 0xAABF }, | ||
| { 0xAAC1, 0xAAC1 }, | ||
| { 0xAAEC, 0xAAED }, | ||
| { 0xAAF6, 0xAAF6 }, | ||
| { 0xABE5, 0xABE5 }, | ||
| { 0xABE8, 0xABE8 }, | ||
| { 0xABED, 0xABED }, | ||
| { 0xFB1E, 0xFB1E }, | ||
| { 0xFE00, 0xFE0F }, | ||
| { 0xFE20, 0xFE26 }, | ||
| { 0xFEFF, 0xFEFF }, | ||
| { 0xFFF9, 0xFFFB }, | ||
| { 0x101FD, 0x101FD }, | ||
| { 0x10A01, 0x10A03 }, | ||
| { 0x10A05, 0x10A06 }, | ||
| { 0x10A0C, 0x10A0F }, | ||
| { 0x10A38, 0x10A3A }, | ||
| { 0x10A3F, 0x10A3F }, | ||
| { 0x11001, 0x11001 }, | ||
| { 0x11038, 0x11046 }, | ||
| { 0x11080, 0x11081 }, | ||
| { 0x110B3, 0x110B6 }, | ||
| { 0x110B9, 0x110BA }, | ||
| { 0x110BD, 0x110BD }, | ||
| { 0x11100, 0x11102 }, | ||
| { 0x11127, 0x1112B }, | ||
| { 0x1112D, 0x11134 }, | ||
| { 0x11180, 0x11181 }, | ||
| { 0x111B6, 0x111BE }, | ||
| { 0x116AB, 0x116AB }, | ||
| { 0x116AD, 0x116AD }, | ||
| { 0x116B0, 0x116B5 }, | ||
| { 0x116B7, 0x116B7 }, | ||
| { 0x16F8F, 0x16F92 }, | ||
| { 0x1D167, 0x1D169 }, | ||
| { 0x1D173, 0x1D182 }, | ||
| { 0x1D185, 0x1D18B }, | ||
| { 0x1D1AA, 0x1D1AD }, | ||
| { 0x1D242, 0x1D244 }, | ||
| { 0xE0001, 0xE0001 }, | ||
| { 0xE0020, 0xE007F }, | ||
| { 0xE0100, 0xE01EF } | ||
| }; | ||
| static const struct interval double_width[] = { | ||
| { /* plane */ 0x0, 0x1C }, | ||
| { /* plane */ 0x1C, 0x21 }, | ||
| { /* plane */ 0x21, 0x22 }, | ||
| { /* plane */ 0x22, 0x23 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { /* plane */ 0x0, 0x0 }, | ||
| { 0x1100, 0x115F }, | ||
| { 0x2329, 0x232A }, | ||
| { 0x2E80, 0x2E99 }, | ||
| { 0x2E9B, 0x2EF3 }, | ||
| { 0x2F00, 0x2FD5 }, | ||
| { 0x2FF0, 0x2FFB }, | ||
| { 0x3000, 0x303E }, | ||
| { 0x3041, 0x3096 }, | ||
| { 0x3099, 0x30FF }, | ||
| { 0x3105, 0x312D }, | ||
| { 0x3131, 0x318E }, | ||
| { 0x3190, 0x31BA }, | ||
| { 0x31C0, 0x31E3 }, | ||
| { 0x31F0, 0x321E }, | ||
| { 0x3220, 0x3247 }, | ||
| { 0x3250, 0x32FE }, | ||
| { 0x3300, 0x4DBF }, | ||
| { 0x4E00, 0xA48C }, | ||
| { 0xA490, 0xA4C6 }, | ||
| { 0xA960, 0xA97C }, | ||
| { 0xAC00, 0xD7A3 }, | ||
| { 0xF900, 0xFAFF }, | ||
| { 0xFE10, 0xFE19 }, | ||
| { 0xFE30, 0xFE52 }, | ||
| { 0xFE54, 0xFE66 }, | ||
| { 0xFE68, 0xFE6B }, | ||
| { 0xFF01, 0xFF60 }, | ||
| { 0xFFE0, 0xFFE6 }, | ||
| { 0x1B000, 0x1B001 }, | ||
| { 0x1F200, 0x1F202 }, | ||
| { 0x1F210, 0x1F23A }, | ||
| { 0x1F240, 0x1F248 }, | ||
| { 0x1F250, 0x1F251 }, | ||
| { 0x20000, 0x2FFFD }, | ||
| { 0x30000, 0x3FFFD } | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| #!/bin/sh | ||
| #See http://www.unicode.org/reports/tr44/ | ||
| # | ||
| #Me Enclosing_Mark an enclosing combining mark | ||
| #Mn Nonspacing_Mark a nonspacing combining mark (zero advance width) | ||
| #Cf Format a format control character | ||
| # | ||
| UNICODEWIDTH_H=../unicode_width.h | ||
| if ! test -d unicode; then | ||
| mkdir unicode | ||
| fi && | ||
| ( cd unicode && | ||
| if ! test -f UnicodeData.txt; then | ||
| wget http://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt | ||
| fi && | ||
| if ! test -f EastAsianWidth.txt; then | ||
| wget http://www.unicode.org/Public/UCD/latest/ucd/EastAsianWidth.txt | ||
| fi && | ||
| if ! test -d uniset; then | ||
| git clone https://github.com/depp/uniset.git | ||
| fi && | ||
| ( | ||
| cd uniset && | ||
| if ! test -x uniset; then | ||
| autoreconf -i && | ||
| ./configure --enable-warnings=-Werror CFLAGS='-O0 -ggdb' | ||
| fi && | ||
| make | ||
| ) && | ||
| echo "static const struct interval zero_width[] = {" >$UNICODEWIDTH_H && | ||
| UNICODE_DIR=. ./uniset/uniset --32 cat:Me,Mn,Cf + U+1160..U+11FF - U+00AD | | ||
| grep -v plane >>$UNICODEWIDTH_H && | ||
| echo "};" >>$UNICODEWIDTH_H && | ||
| echo "static const struct interval double_width[] = {" >>$UNICODEWIDTH_H && | ||
| UNICODE_DIR=. ./uniset/uniset --32 eaw:F,W >>$UNICODEWIDTH_H && | ||
| echo "};" >>$UNICODEWIDTH_H | ||
| ) |
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