/usr/share/vim/vim73/tools/unicode.vim is in vim-runtime 2:7.3.429-2ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 | " Script to extract tables from Unicode .txt files, to be used in src/mbyte.c.
" The format of the UnicodeData.txt file is explained here:
" http://www.unicode.org/Public/5.1.0/ucd/UCD.html
" For the other files see the header.
"
" Usage: Vim -S <this-file>
"
" Author: Bram Moolenaar
" Last Update: 2010 Jan 12
" Parse lines of UnicodeData.txt. Creates a list of lists in s:dataprops.
func! ParseDataToProps()
let s:dataprops = []
let lnum = 1
while lnum <= line('$')
let l = split(getline(lnum), '\s*;\s*', 1)
if len(l) != 15
echoerr 'Found ' . len(l) . ' items in line ' . lnum . ', expected 15'
return
endif
call add(s:dataprops, l)
let lnum += 1
endwhile
endfunc
" Parse lines of CaseFolding.txt. Creates a list of lists in s:foldprops.
func! ParseFoldProps()
let s:foldprops = []
let lnum = 1
while lnum <= line('$')
let line = getline(lnum)
if line !~ '^#' && line !~ '^\s*$'
let l = split(line, '\s*;\s*', 1)
if len(l) != 4
echoerr 'Found ' . len(l) . ' items in line ' . lnum . ', expected 4'
return
endif
call add(s:foldprops, l)
endif
let lnum += 1
endwhile
endfunc
" Parse lines of EastAsianWidth.txt. Creates a list of lists in s:widthprops.
func! ParseWidthProps()
let s:widthprops = []
let lnum = 1
while lnum <= line('$')
let line = getline(lnum)
if line !~ '^#' && line !~ '^\s*$'
let l = split(line, '\s*;\s*', 1)
if len(l) != 2
echoerr 'Found ' . len(l) . ' items in line ' . lnum . ', expected 2'
return
endif
call add(s:widthprops, l)
endif
let lnum += 1
endwhile
endfunc
" Build the toLower or toUpper table in a new buffer.
" Uses s:dataprops.
func! BuildCaseTable(name, index)
let start = -1
let end = -1
let step = 0
let add = -1
let ranges = []
for p in s:dataprops
if p[a:index] != ''
let n = ('0x' . p[0]) + 0
let nl = ('0x' . p[a:index]) + 0
if start >= 0 && add == nl - n && (step == 0 || n - end == step)
" continue with same range.
let step = n - end
let end = n
else
if start >= 0
" produce previous range
call Range(ranges, start, end, step, add)
endif
let start = n
let end = n
let step = 0
let add = nl - n
endif
endif
endfor
if start >= 0
call Range(ranges, start, end, step, add)
endif
" New buffer to put the result in.
new
exe "file to" . a:name
call setline(1, "static convertStruct to" . a:name . "[] =")
call setline(2, "{")
call append('$', ranges)
call setline('$', getline('$')[:-2]) " remove last comma
call setline(line('$') + 1, "};")
wincmd p
endfunc
" Build the foldCase table in a new buffer.
" Uses s:foldprops.
func! BuildFoldTable()
let start = -1
let end = -1
let step = 0
let add = -1
let ranges = []
for p in s:foldprops
if p[1] == 'C' || p[1] == 'S'
let n = ('0x' . p[0]) + 0
let nl = ('0x' . p[2]) + 0
if start >= 0 && add == nl - n && (step == 0 || n - end == step)
" continue with same range.
let step = n - end
let end = n
else
if start >= 0
" produce previous range
call Range(ranges, start, end, step, add)
endif
let start = n
let end = n
let step = 0
let add = nl - n
endif
endif
endfor
if start >= 0
call Range(ranges, start, end, step, add)
endif
" New buffer to put the result in.
new
file foldCase
call setline(1, "static convertStruct foldCase[] =")
call setline(2, "{")
call append('$', ranges)
call setline('$', getline('$')[:-2]) " remove last comma
call setline(line('$') + 1, "};")
wincmd p
endfunc
func! Range(ranges, start, end, step, add)
let s = printf("\t{0x%x,0x%x,%d,%d},", a:start, a:end, a:step == 0 ? -1 : a:step, a:add)
call add(a:ranges, s)
endfunc
" Build the combining table.
" Uses s:dataprops.
func! BuildCombiningTable()
let start = -1
let end = -1
let ranges = []
for p in s:dataprops
if p[2] == 'Mn' || p[2] == 'Mc' || p[2] == 'Me'
let n = ('0x' . p[0]) + 0
if start >= 0 && end + 1 == n
" continue with same range.
let end = n
else
if start >= 0
" produce previous range
call add(ranges, printf("\t{0x%04x, 0x%04x},", start, end))
endif
let start = n
let end = n
endif
endif
endfor
if start >= 0
call add(ranges, printf("\t{0x%04x, 0x%04x},", start, end))
endif
" New buffer to put the result in.
new
file combining
call setline(1, " static struct interval combining[] =")
call setline(2, " {")
call append('$', ranges)
call setline('$', getline('$')[:-2]) " remove last comma
call setline(line('$') + 1, " };")
wincmd p
endfunc
" Build the double width or ambiguous width table in a new buffer.
" Uses s:widthprops and s:dataprops.
func! BuildWidthTable(pattern, tableName)
let start = -1
let end = -1
let ranges = []
let dataidx = 0
for p in s:widthprops
if p[1][0] =~ a:pattern
if p[0] =~ '\.\.'
" It is a range. we don't check for composing char then.
let rng = split(p[0], '\.\.')
if len(rng) != 2
echoerr "Cannot parse range: '" . p[0] . "' in width table"
endif
let n = ('0x' . rng[0]) + 0
let n_last = ('0x' . rng[1]) + 0
else
let n = ('0x' . p[0]) + 0
let n_last = n
endif
" Find this char in the data table.
while 1
let dn = ('0x' . s:dataprops[dataidx][0]) + 0
if dn >= n
break
endif
let dataidx += 1
endwhile
if dn != n && n_last == n
echoerr "Cannot find character " . n . " in data table"
endif
" Only use the char when it's not a composing char.
" But use all chars from a range.
let dp = s:dataprops[dataidx]
if n_last > n || (dp[2] != 'Mn' && dp[2] != 'Mc' && dp[2] != 'Me')
if start >= 0 && end + 1 == n
" continue with same range.
else
if start >= 0
" produce previous range
call add(ranges, printf("\t{0x%04x, 0x%04x},", start, end))
endif
let start = n
endif
let end = n_last
endif
endif
endfor
if start >= 0
call add(ranges, printf("\t{0x%04x, 0x%04x},", start, end))
endif
" New buffer to put the result in.
new
exe "file " . a:tableName
call setline(1, " static struct interval " . a:tableName . "[] =")
call setline(2, " {")
call append('$', ranges)
call setline('$', getline('$')[:-2]) " remove last comma
call setline(line('$') + 1, " };")
wincmd p
endfunc
" Edit the Unicode text file. Requires the netrw plugin.
edit http://unicode.org/Public/UNIDATA/UnicodeData.txt
" Parse each line, create a list of lists.
call ParseDataToProps()
" Build the toLower table.
call BuildCaseTable("Lower", 13)
" Build the toUpper table.
call BuildCaseTable("Upper", 12)
" Build the ranges of composing chars.
call BuildCombiningTable()
" Edit the case folding text file. Requires the netrw plugin.
edit http://www.unicode.org/Public/UNIDATA/CaseFolding.txt
" Parse each line, create a list of lists.
call ParseFoldProps()
" Build the foldCase table.
call BuildFoldTable()
" Edit the width text file. Requires the netrw plugin.
edit http://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt
" Parse each line, create a list of lists.
call ParseWidthProps()
" Build the double width table.
call BuildWidthTable('[WF]', 'doublewidth')
" Build the ambiguous width table.
call BuildWidthTable('A', 'ambiguous')
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