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1 | #!perl |
2 | # |
3 | # This script generates "unfcan.h", "unfcpt.h", "unfcmb.h", |
f027f502 |
4 | # "unfcmp.h", and "unfexc.h" |
48287974 |
5 | # from CombiningClass.pl, Decomposition.pl, CompositionExclusions.txt |
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6 | # in lib/unicore or unicode directory |
7 | # for Unicode::Normalize.xs. (cf. Makefile.PL) |
8 | # |
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9 | # Usage: <perl mkheader> in command line |
10 | # or <do 'mkheader'> in perl |
11 | # |
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12 | use 5.006; |
13 | use strict; |
14 | use warnings; |
15 | use Carp; |
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16 | use File::Spec; |
17 | |
9f1f04a1 |
18 | BEGIN { |
19 | unless ("A" eq pack('U', 0x41) || "A" eq pack('U', ord("A"))) { |
20 | die "Unicode::Normalize cannot stringify a Unicode code point\n"; |
21 | } |
22 | } |
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23 | |
24 | our $PACKAGE = 'Unicode::Normalize, mkheader'; |
25 | |
26 | our $Combin = do "unicore/CombiningClass.pl" |
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27 | || do "unicode/CombiningClass.pl" |
28 | || croak "$PACKAGE: CombiningClass.pl not found"; |
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29 | |
30 | our $Decomp = do "unicore/Decomposition.pl" |
8f118dcd |
31 | || do "unicode/Decomposition.pl" |
32 | || croak "$PACKAGE: Decomposition.pl not found"; |
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33 | |
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34 | our %Combin; # $codepoint => $number : combination class |
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35 | our %Canon; # $codepoint => \@codepoints : canonical decomp. |
36 | our %Compat; # $codepoint => \@codepoints : compat. decomp. |
37 | # after _U_stringify(), ($codepoint => $hexstring) for %Canon and %Compat |
48287974 |
38 | our %Exclus; # $codepoint => 1 : composition exclusions |
39 | our %Single; # $codepoint => 1 : singletons |
40 | our %NonStD; # $codepoint => 1 : non-starter decompositions |
41 | |
42 | our %Comp1st; # $codepoint => $listname : may be composed with a next char. |
43 | our %Comp2nd; # $codepoint => 1 : may be composed with a prev char. |
44 | our %CompList; # $listname,$2nd => $codepoint : composite |
45 | |
46 | our $prefix = "UNF_"; |
47 | our $structname = "${prefix}complist"; |
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48 | |
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49 | ########## definition of Hangul constants ########## |
50 | use constant SBase => 0xAC00; |
51 | use constant SFinal => 0xD7A3; # SBase -1 + SCount |
52 | use constant SCount => 11172; # LCount * NCount |
53 | use constant NCount => 588; # VCount * TCount |
54 | use constant LBase => 0x1100; |
55 | use constant LFinal => 0x1112; |
56 | use constant LCount => 19; |
57 | use constant VBase => 0x1161; |
58 | use constant VFinal => 0x1175; |
59 | use constant VCount => 21; |
60 | use constant TBase => 0x11A7; |
61 | use constant TFinal => 0x11C2; |
62 | use constant TCount => 28; |
63 | |
64 | sub decomposeHangul { |
65 | my $SIndex = $_[0] - SBase; |
66 | my $LIndex = int( $SIndex / NCount); |
67 | my $VIndex = int(($SIndex % NCount) / TCount); |
68 | my $TIndex = $SIndex % TCount; |
69 | my @ret = ( |
70 | LBase + $LIndex, |
71 | VBase + $VIndex, |
72 | $TIndex ? (TBase + $TIndex) : (), |
73 | ); |
74 | wantarray ? @ret : pack('U*', @ret); |
75 | # any element in @ret greater than 0xFF, so no need of u2n conversion. |
76 | } |
77 | |
78 | ########## getting full decomposion ########## |
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79 | { |
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80 | my($f, $fh); |
81 | foreach my $d (@INC) { |
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82 | $f = File::Spec->catfile($d, "unicore", "CompositionExclusions.txt"); |
83 | last if open($fh, $f); |
84 | $f = File::Spec->catfile($d, "unicode", "CompExcl.txt"); |
85 | last if open($fh, $f); |
86 | $f = undef; |
87 | } |
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88 | croak "$PACKAGE: neither unicore/CompositionExclusions.txt " |
89 | . "nor unicode/CompExcl.txt is found in @INC" unless defined $f; |
90 | |
91 | while (<$fh>) { |
92 | next if /^#/ or /^$/; |
93 | s/#.*//; |
94 | $Exclus{ hex($1) } = 1 if /([0-9A-Fa-f]+)/; |
95 | } |
8f118dcd |
96 | close $fh; |
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97 | } |
98 | |
48287974 |
99 | ## |
100 | ## converts string "hhhh hhhh hhhh" to a numeric list |
101 | ## |
102 | sub _getHexArray { map hex, $_[0] =~ /([0-9A-Fa-f]+)/g } |
103 | |
8f118dcd |
104 | while ($Combin =~ /(.+)/g) { |
105 | my @tab = split /\t/, $1; |
106 | my $ini = hex $tab[0]; |
107 | if ($tab[1] eq '') { |
108 | $Combin{ $ini } = $tab[2]; |
109 | } else { |
110 | $Combin{ $_ } = $tab[2] foreach $ini .. hex($tab[1]); |
111 | } |
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112 | } |
113 | |
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114 | while ($Decomp =~ /(.+)/g) { |
115 | my @tab = split /\t/, $1; |
116 | my $compat = $tab[2] =~ s/<[^>]+>//; |
117 | my $dec = [ _getHexArray($tab[2]) ]; # decomposition |
8f118dcd |
118 | my $ini = hex($tab[0]); # initial decomposable character |
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119 | |
120 | my $listname = |
121 | @$dec == 2 ? sprintf("${structname}_%06x", $dec->[0]) : 'USELESS'; |
122 | # %04x is bad since it'd place _3046 after _1d157. |
123 | |
8f118dcd |
124 | if ($tab[1] eq '') { |
125 | $Compat{ $ini } = $dec; |
126 | |
127 | if (! $compat) { |
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128 | $Canon{ $ini } = $dec; |
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129 | |
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130 | if (@$dec == 2) { |
8f118dcd |
131 | if ($Combin{ $dec->[0] }) { |
132 | $NonStD{ $ini } = 1; |
133 | } else { |
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134 | $CompList{ $listname }{ $dec->[1] } = $ini; |
135 | $Comp1st{ $dec->[0] } = $listname; |
136 | $Comp2nd{ $dec->[1] } = 1 if ! $Exclus{$ini}; |
8f118dcd |
137 | } |
f027f502 |
138 | } elsif (@$dec == 1) { |
8f118dcd |
139 | $Single{ $ini } = 1; |
f027f502 |
140 | } else { |
141 | croak("Weird Canonical Decomposition of U+$tab[0]"); |
8f118dcd |
142 | } |
143 | } |
144 | } else { |
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145 | foreach my $u ($ini .. hex($tab[1])) { |
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146 | $Compat{ $u } = $dec; |
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147 | |
8f118dcd |
148 | if (! $compat) { |
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149 | $Canon{ $u } = $dec; |
8f118dcd |
150 | |
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151 | if (@$dec == 2) { |
8f118dcd |
152 | if ($Combin{ $dec->[0] }) { |
153 | $NonStD{ $u } = 1; |
154 | } else { |
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155 | $CompList{ $listname }{ $dec->[1] } = $u; |
156 | $Comp1st{ $dec->[0] } = $listname; |
157 | $Comp2nd{ $dec->[1] } = 1 if ! $Exclus{$u}; |
8f118dcd |
158 | } |
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159 | } elsif (@$dec == 1) { |
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160 | $Single{ $u } = 1; |
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161 | } else { |
162 | croak("Weird Canonical Decomposition of U+$tab[0]"); |
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163 | } |
164 | } |
165 | } |
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166 | } |
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167 | } |
168 | |
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169 | # modern HANGUL JUNGSEONG and HANGUL JONGSEONG jamo |
170 | foreach my $j (0x1161..0x1175, 0x11A8..0x11C2) { |
171 | $Comp2nd{$j} = 1; |
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172 | } |
173 | |
174 | sub getCanonList { |
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175 | my @src = @_; |
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176 | my @dec = map { |
177 | (SBase <= $_ && $_ <= SFinal) ? decomposeHangul($_) |
178 | : $Canon{$_} ? @{ $Canon{$_} } : $_ |
179 | } @src; |
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180 | return join(" ",@src) eq join(" ",@dec) ? @dec : getCanonList(@dec); |
181 | # condition @src == @dec is not ok. |
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182 | } |
183 | |
184 | sub getCompatList { |
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185 | my @src = @_; |
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186 | my @dec = map { |
187 | (SBase <= $_ && $_ <= SFinal) ? decomposeHangul($_) |
188 | : $Compat{$_} ? @{ $Compat{$_} } : $_ |
189 | } @src; |
8f118dcd |
190 | return join(" ",@src) eq join(" ",@dec) ? @dec : getCompatList(@dec); |
191 | # condition @src == @dec is not ok. |
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192 | } |
193 | |
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194 | # exhaustive decomposition |
195 | foreach my $key (keys %Canon) { |
196 | $Canon{$key} = [ getCanonList($key) ]; |
197 | } |
198 | |
199 | # exhaustive decomposition |
200 | foreach my $key (keys %Compat) { |
201 | $Compat{$key} = [ getCompatList($key) ]; |
202 | } |
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203 | |
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204 | sub _pack_U { |
205 | return "A" eq pack('U', 0x41) |
206 | ? pack('U*', @_) |
207 | : "A" eq pack('U', ord("A")) |
208 | ? pack('U*', map utf8::unicode_to_native($_), @_) |
209 | : die "$PACKAGE, a Unicode code point cannot be stringified.\n"; |
210 | } |
211 | |
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212 | sub _U_stringify { |
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213 | sprintf '"%s"', join '', |
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214 | map sprintf("\\x%02x", $_), unpack 'C*', _pack_U(@_); |
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215 | } |
216 | |
217 | foreach my $hash (\%Canon, \%Compat) { |
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218 | foreach my $key (keys %$hash) { |
219 | $hash->{$key} = _U_stringify( @{ $hash->{$key} } ); |
220 | } |
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221 | } |
222 | |
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223 | ########## writing header files ########## |
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224 | |
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225 | my @boolfunc = ( |
226 | { |
227 | name => "Exclusion", |
228 | type => "bool", |
229 | hash => \%Exclus, |
230 | }, |
231 | { |
232 | name => "Singleton", |
233 | type => "bool", |
234 | hash => \%Single, |
235 | }, |
236 | { |
237 | name => "NonStDecomp", |
238 | type => "bool", |
239 | hash => \%NonStD, |
240 | }, |
241 | { |
242 | name => "Comp2nd", |
243 | type => "bool", |
244 | hash => \%Comp2nd, |
245 | }, |
246 | ); |
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247 | |
248 | my $file = "unfexc.h"; |
249 | open FH, ">$file" or croak "$PACKAGE: $file can't be made"; |
250 | binmode FH; select FH; |
251 | |
8f118dcd |
252 | print << 'EOF'; |
253 | /* |
254 | * This file is auto-generated by mkheader. |
255 | * Any changes here will be lost! |
256 | */ |
257 | EOF |
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258 | |
8f118dcd |
259 | foreach my $tbl (@boolfunc) { |
260 | my @temp = sort {$a <=> $b} keys %{$tbl->{hash}}; |
261 | my $type = $tbl->{type}; |
262 | my $name = $tbl->{name}; |
263 | print "$type is$name (UV uv)\n{\nreturn\n\t"; |
264 | |
265 | while (@temp) { |
266 | my $cur = shift @temp; |
267 | if (@temp && $cur + 1 == $temp[0]) { |
268 | print "($cur <= uv && uv <= "; |
269 | while (@temp && $cur + 1 == $temp[0]) { |
270 | $cur = shift @temp; |
271 | } |
272 | print "$cur)"; |
273 | print "\n\t|| " if @temp; |
274 | } else { |
275 | print "uv == $cur"; |
276 | print "\n\t|| " if @temp; |
277 | } |
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278 | } |
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279 | print "\n\t? TRUE : FALSE;\n}\n\n"; |
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280 | } |
281 | |
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282 | close FH; |
283 | |
284 | #################################### |
285 | |
48287974 |
286 | my $compinit = |
287 | "typedef struct { UV nextchar; UV composite; } $structname;\n\n"; |
288 | |
289 | foreach my $i (sort keys %CompList) { |
290 | $compinit .= "$structname $i [] = {\n"; |
291 | $compinit .= join ",\n", |
292 | map sprintf("\t{ %d, %d }", $_, $CompList{$i}{$_}), |
293 | sort {$a <=> $b } keys %{ $CompList{$i} }; |
294 | $compinit .= ",\n{0,0}\n};\n\n"; # with sentinel |
295 | } |
296 | |
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297 | my @tripletable = ( |
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298 | { |
299 | file => "unfcmb", |
300 | name => "combin", |
301 | type => "STDCHAR", |
302 | hash => \%Combin, |
303 | null => 0, |
304 | }, |
305 | { |
306 | file => "unfcan", |
307 | name => "canon", |
308 | type => "char*", |
309 | hash => \%Canon, |
310 | null => "NULL", |
311 | }, |
312 | { |
313 | file => "unfcpt", |
314 | name => "compat", |
315 | type => "char*", |
316 | hash => \%Compat, |
317 | null => "NULL", |
318 | }, |
319 | { |
320 | file => "unfcmp", |
321 | name => "compos", |
322 | type => "$structname *", |
323 | hash => \%Comp1st, |
324 | null => "NULL", |
325 | init => $compinit, |
326 | }, |
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327 | ); |
328 | |
329 | foreach my $tbl (@tripletable) { |
8f118dcd |
330 | my $file = "$tbl->{file}.h"; |
331 | my $head = "${prefix}$tbl->{name}"; |
332 | my $type = $tbl->{type}; |
333 | my $hash = $tbl->{hash}; |
334 | my $null = $tbl->{null}; |
335 | my $init = $tbl->{init}; |
336 | |
337 | open FH, ">$file" or croak "$PACKAGE: $file can't be made"; |
338 | binmode FH; select FH; |
339 | my %val; |
340 | |
341 | print FH << 'EOF'; |
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342 | /* |
343 | * This file is auto-generated by mkheader. |
344 | * Any changes here will be lost! |
345 | */ |
346 | EOF |
347 | |
8f118dcd |
348 | print $init if defined $init; |
349 | |
350 | foreach my $uv (keys %$hash) { |
f027f502 |
351 | croak sprintf("a Unicode code point 0x%04X over 0x10FFFF.", $uv) |
352 | unless $uv <= 0x10FFFF; |
8f118dcd |
353 | my @c = unpack 'CCCC', pack 'N', $uv; |
354 | $val{ $c[1] }{ $c[2] }{ $c[3] } = $hash->{$uv}; |
355 | } |
356 | |
357 | foreach my $p (sort { $a <=> $b } keys %val) { |
358 | next if ! $val{ $p }; |
359 | for (my $r = 0; $r < 256; $r++) { |
360 | next if ! $val{ $p }{ $r }; |
361 | printf "$type ${head}_%02x_%02x [256] = {\n", $p, $r; |
362 | for (my $c = 0; $c < 256; $c++) { |
363 | print "\t", defined $val{$p}{$r}{$c} |
364 | ? "($type)".$val{$p}{$r}{$c} |
365 | : $null; |
366 | print ',' if $c != 255; |
367 | print "\n" if $c % 8 == 7; |
368 | } |
369 | print "};\n\n"; |
370 | } |
371 | } |
372 | foreach my $p (sort { $a <=> $b } keys %val) { |
373 | next if ! $val{ $p }; |
374 | printf "$type* ${head}_%02x [256] = {\n", $p; |
375 | for (my $r = 0; $r < 256; $r++) { |
376 | print $val{ $p }{ $r } |
377 | ? sprintf("${head}_%02x_%02x", $p, $r) |
378 | : "NULL"; |
379 | print ',' if $r != 255; |
380 | print "\n" if $val{ $p }{ $r } || ($r+1) % 8 == 0; |
381 | } |
382 | print "};\n\n"; |
ac5ea531 |
383 | } |
8f118dcd |
384 | print "$type** $head [] = {\n"; |
385 | for (my $p = 0; $p <= 0x10; $p++) { |
386 | print $val{ $p } ? sprintf("${head}_%02x", $p) : "NULL"; |
387 | print ',' if $p != 0x10; |
388 | print "\n"; |
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389 | } |
390 | print "};\n\n"; |
8f118dcd |
391 | close FH; |
ac5ea531 |
392 | } |
393 | |
394 | __END__ |