| 1 |
pcg |
1.1 |
#!/opt/bin/perl |
| 2 |
|
|
|
| 3 |
|
|
# the generated tables mostly have NOT been chcked so far! |
| 4 |
|
|
|
| 5 |
|
|
use v5.8.2; |
| 6 |
|
|
use utf8; |
| 7 |
|
|
use Encode; |
| 8 |
|
|
|
| 9 |
|
|
my $gen; |
| 10 |
|
|
|
| 11 |
|
|
sub linear { |
| 12 |
|
|
my ($a, $l, $h, $b) = @_; |
| 13 |
|
|
for ($l .. $h) { |
| 14 |
|
|
return unless defined $a->[$_] && $a->[$_] == $_ + ($b - $l); |
| 15 |
|
|
} |
| 16 |
|
|
1; |
| 17 |
|
|
} |
| 18 |
|
|
|
| 19 |
|
|
sub wrap { |
| 20 |
|
|
my $res = " "; |
| 21 |
|
|
$res .= "$1\n " while $_[0] =~ /\G(.{90}\S*?)\s+/gc; |
| 22 |
|
|
$res .= "$1" if $_[0] =~ /\G(.*)$/; |
| 23 |
|
|
$res; |
| 24 |
|
|
} |
| 25 |
|
|
|
| 26 |
|
|
my $last_tab_full; # hack |
| 27 |
|
|
|
| 28 |
|
|
sub gentab { |
| 29 |
|
|
my ($enc, $l, $h, $f, $rep) = @_; |
| 30 |
|
|
$last_tab_full = 0; |
| 31 |
|
|
|
| 32 |
|
|
" = {\n" |
| 33 |
|
|
. (wrap join ", ", |
| 34 |
|
|
map +(sprintf "0x$f", |
| 35 |
|
|
defined $enc->[$_] ? $enc->[$_] : $last_tab_full++ * 0 + $rep |
| 36 |
|
|
), $l..$h) |
| 37 |
|
|
. "\n};\n"; |
| 38 |
|
|
} |
| 39 |
|
|
|
| 40 |
|
|
sub gen { |
| 41 |
|
|
my ($enc, $base, $ch) = @_; |
| 42 |
|
|
|
| 43 |
|
|
my ($fun, $tab); |
| 44 |
|
|
my (@t1, @t2); |
| 45 |
|
|
|
| 46 |
|
|
for (255, 159, 127, 126, 125) { |
| 47 |
|
|
if (linear $enc, 0, $_, 0) { |
| 48 |
|
|
undef $enc->[$_] for 0..$_; |
| 49 |
|
|
$fun .= sprintf "if (· <= 0x%04x) return ·;\n", $_; |
| 50 |
|
|
} |
| 51 |
|
|
} |
| 52 |
|
|
|
| 53 |
|
|
for (126, 127, 128) { |
| 54 |
|
|
if (linear $enc, $_, 159, $_) { |
| 55 |
|
|
undef $enc->[$_] for $_..159; |
| 56 |
|
|
$fun .= sprintf "if (0x%04x <= · && · <= 0x%04x) return ·;\n", $_, 159; |
| 57 |
|
|
} |
| 58 |
|
|
} |
| 59 |
|
|
|
| 60 |
|
|
for (126, 127) { |
| 61 |
|
|
next unless defined $enc->[$_]; |
| 62 |
|
|
$fun .= sprintf "if (· == 0x%04x) return 0x%04x;\n", $_, delete $enc->[$_]; |
| 63 |
|
|
} |
| 64 |
|
|
|
| 65 |
|
|
my @map; |
| 66 |
|
|
my @map2; |
| 67 |
|
|
|
| 68 |
|
|
for (0 .. $#$enc) { |
| 69 |
|
|
if (defined $enc->[$_]) { |
| 70 |
|
|
$map[$_] = $enc->[$_]; |
| 71 |
|
|
$map2[$_ >> 8]++; |
| 72 |
|
|
} |
| 73 |
|
|
} |
| 74 |
|
|
|
| 75 |
|
|
for my $p (0..255) { |
| 76 |
|
|
if ($map2[$p]) { |
| 77 |
|
|
my $b = $p << 8; |
| 78 |
|
|
|
| 79 |
|
|
my ($l, $h); |
| 80 |
|
|
for my $i (0..255) { $l = $i, last if defined $map[$b + $i]; } |
| 81 |
|
|
for my $i (0..255) { $h = 255 - $i, last if defined $map[$b + 255 - $i]; } |
| 82 |
|
|
|
| 83 |
|
|
if ($map2[$p] <= 5) { |
| 84 |
|
|
for ($l .. $h) { |
| 85 |
|
|
next unless defined $enc->[$b + $_]; |
| 86 |
|
|
$fun .= sprintf "if (· == 0x%04x) return 0x%04x;\n", $b + $_, $enc->[$b + $_]; |
| 87 |
|
|
} |
| 88 |
|
|
} elsif (linear $enc, $b + $l, $b + $h, $enc->[$b + $l]) { |
| 89 |
|
|
my $dif = $enc->[$b + $l] - ($b + $l); |
| 90 |
|
|
$dif = $dif < 0 ? sprintf "- 0x%04x", -$dif : sprintf "+ 0x%04x", $dif; |
| 91 |
|
|
$fun .= sprintf "if (· <= 0x%04x && 0x%04x <= ·) return · %s;\n", $b + $l, $b + $h, $dif; |
| 92 |
|
|
} elsif ($map2[$p] <= 5) { # defunct |
| 93 |
|
|
$fun .= "switch (·)\n {\n"; |
| 94 |
|
|
for ($l .. $h) { |
| 95 |
|
|
next unless defined $enc->[$b + $_]; |
| 96 |
|
|
$fun .= sprintf " case 0x%04x: return 0x%04x;\n", $b + $_, $enc->[$b + $_]; |
| 97 |
|
|
} |
| 98 |
|
|
$fun .= " }\n"; |
| 99 |
|
|
} else { |
| 100 |
|
|
my ($i, $t, $f) = (0, "uint8_t", "%02x"); |
| 101 |
|
|
for ($l .. $h) { |
| 102 |
|
|
if ($enc->[$b + $_] > 255) { |
| 103 |
|
|
($i, $t, $f) = (1, "uint16_t", "%04x"); |
| 104 |
|
|
last; |
| 105 |
|
|
} |
| 106 |
|
|
} |
| 107 |
|
|
|
| 108 |
|
|
$i ? push @t2, [$p, $l, $h, $t, $f] |
| 109 |
|
|
: push @t1, [$b, $l, $h, $t, $f]; |
| 110 |
|
|
} |
| 111 |
|
|
|
| 112 |
|
|
} |
| 113 |
|
|
} |
| 114 |
|
|
|
| 115 |
|
|
if (@t2 <= 3) { |
| 116 |
|
|
push @t1, @t2; |
| 117 |
|
|
@t2 = (); |
| 118 |
|
|
} |
| 119 |
|
|
|
| 120 |
|
|
for (@t1) { |
| 121 |
|
|
my ($b, $l, $h, $t, $f) = @$_; |
| 122 |
|
|
my $rep = $b + $l == 0 ? 128 : 0; |
| 123 |
|
|
$tab .= "static const $t $base\_$b\[]" . gentab $enc, $b + $l, $b + $h, $f; |
| 124 |
|
|
$fun .= sprintf "if (0x%04x <= · && · <= 0x%04x)\n" |
| 125 |
|
|
. " return %s$base\_$b\[· - 0x%04x];\n", |
| 126 |
|
|
$b + $l, $b + $h, |
| 127 |
|
|
($last_tab_full ? sprintf "$base\_$b\[· - 0x%04x] == $rep ? NOCHAR : ", $b + $l : ""), |
| 128 |
|
|
$b + $l; |
| 129 |
|
|
} |
| 130 |
|
|
|
| 131 |
|
|
if (@t2) { |
| 132 |
|
|
my ($min, $max) = (255, 0); |
| 133 |
|
|
my ($l, $h) = (255, 0); |
| 134 |
|
|
for (@t2) { |
| 135 |
|
|
my ($p, $L, $H, $t, $f) = @$_; |
| 136 |
|
|
$max = $p if $p > $max; |
| 137 |
|
|
$min = $p if $p < $min; |
| 138 |
|
|
$l = $L if $L < $l; |
| 139 |
|
|
$h = $H if $H > $h; |
| 140 |
|
|
} |
| 141 |
|
|
|
| 142 |
|
|
$fun .= "uint8_t l = ·;\n"; |
| 143 |
|
|
$fun .= "uint16_t h = · >> 8;\n"; |
| 144 |
|
|
|
| 145 |
|
|
if ($h - $l < 200) { |
| 146 |
|
|
my $d = $h - $l + 1; |
| 147 |
|
|
|
| 148 |
|
|
my @enc; |
| 149 |
|
|
for $p ($min .. $max) { |
| 150 |
|
|
for $i ($l .. $h) { |
| 151 |
|
|
$enc[($p - $min) * $d + $i - $l] = $enc->[$p * 256 + $i]; |
| 152 |
|
|
} |
| 153 |
|
|
} |
| 154 |
|
|
$tab .= "static const uint16_t $base\_m[]" . gentab \@enc, 0, $#enc, "%04x"; |
| 155 |
|
|
|
| 156 |
|
|
if ($last_tab_full) { |
| 157 |
|
|
$fun .= sprintf "if (0x%02x <= h && h <= 0x%02x\n" |
| 158 |
|
|
. " && 0x%02x <= l && l <= 0x%02x)\n" |
| 159 |
|
|
. " return $base\_m\[h * 0x%02x + l - 0x%04x]\n" |
| 160 |
|
|
. " ? $base\_m\[h * 0x%02x + l - 0x%04x]\n" |
| 161 |
|
|
. " : NOCHAR;\n", |
| 162 |
|
|
$min, $max, $l, $h, |
| 163 |
|
|
($d, $min * $d + $l) x 2; |
| 164 |
|
|
} else { |
| 165 |
|
|
$fun .= sprintf "if (0x%02x <= h && h <= 0x%02x\n" |
| 166 |
|
|
. " && 0x%02x <= l && l <= 0x%02x)\n" |
| 167 |
|
|
. " return $base\_m\[h * 0x%02x + l - 0x%04x];\n", |
| 168 |
|
|
$min, $max, $l, $h, |
| 169 |
|
|
$d, |
| 170 |
|
|
$min * $d + $l; |
| 171 |
|
|
} |
| 172 |
|
|
} else { |
| 173 |
|
|
my @tab = (0) x ($max - $min); |
| 174 |
|
|
for (@t2) { |
| 175 |
|
|
my ($p, undef, undef, $t, $f) = @$_; |
| 176 |
|
|
$tab .= "static const $t $base\_$p\[]" . gentab $enc, $p * 256 + $l, $p * 256 + $h, $f, 0; |
| 177 |
|
|
$tab[$p - $min] = "$base\_$p"; |
| 178 |
|
|
} |
| 179 |
|
|
|
| 180 |
|
|
$tab .= "const uint16_t *$base\_i[] = {\n" |
| 181 |
|
|
. (wrap join ", ", @tab) |
| 182 |
|
|
. "\n};\n\n"; |
| 183 |
|
|
|
| 184 |
|
|
$fun .= sprintf "if (0x%02x <= h && h <= 0x%02x\n" |
| 185 |
|
|
. " && 0x%02x <= l && l <= 0x%02x\n" |
| 186 |
|
|
. " && $base\_i[h - 0x%02x])\n" |
| 187 |
|
|
. " return $base\_i\[h - 0x%02x][l - 0x%02x]\n" |
| 188 |
|
|
. " ? $base\_i\[h - 0x%02x][l - 0x%02x]\n" |
| 189 |
|
|
. " : NOCHAR;\n", |
| 190 |
|
|
$min, $max, $l, $h, |
| 191 |
|
|
$min, ($min, $l) x 2; |
| 192 |
|
|
} |
| 193 |
|
|
} |
| 194 |
|
|
|
| 195 |
|
|
$fun .= "return NOCHAR;\n"; |
| 196 |
|
|
|
| 197 |
|
|
$fun =~ s/·/$ch/g; |
| 198 |
|
|
|
| 199 |
|
|
($tab, $fun); |
| 200 |
|
|
} |
| 201 |
|
|
|
| 202 |
|
|
while (<DATA>) { |
| 203 |
|
|
my ($group, $base, $cs, $type) = split /\s+/; |
| 204 |
|
|
|
| 205 |
|
|
my @enc1; |
| 206 |
|
|
my @enc2; |
| 207 |
|
|
|
| 208 |
|
|
for (0 .. 65535) { |
| 209 |
|
|
my $enc = encode $cs, (chr $_), Encode::FB_QUIET; |
| 210 |
|
|
|
| 211 |
|
|
if (length $enc) { |
| 212 |
|
|
my $code = hex unpack "H*", $enc; |
| 213 |
|
|
$enc1[$_] = $code; |
| 214 |
|
|
$enc2[$code] = $_ unless defined $enc2[$code]; |
| 215 |
|
|
} |
| 216 |
|
|
} |
| 217 |
|
|
|
| 218 |
|
|
my ($tab1, $fun1) = gen \@enc1, "$base\_f", "unicode"; |
| 219 |
|
|
my ($tab2, $fun2) = gen \@enc2, "$base\_t", "enc"; |
| 220 |
|
|
|
| 221 |
|
|
#$tab1 =~ s/^/ /gm; |
| 222 |
|
|
#$tab2 =~ s/^/ /gm; |
| 223 |
|
|
$fun1 =~ s/^/ /gm; |
| 224 |
|
|
$fun2 =~ s/^/ /gm; |
| 225 |
|
|
|
| 226 |
|
|
print "$base\n"; |
| 227 |
|
|
open OUT, ">table/$base.h" or die; |
| 228 |
|
|
|
| 229 |
|
|
print OUT <<EOF; |
| 230 |
|
|
// |
| 231 |
|
|
// AUTOMATICALLLY GENERATED by gentables |
| 232 |
|
|
// |
| 233 |
|
|
#ifdef ENCODING_$group |
| 234 |
|
|
|
| 235 |
|
|
$tab1$tab2 |
| 236 |
|
|
struct rxvt_codeset_conv_$base : rxvt_codeset_conv { |
| 237 |
|
|
uint32_t from_unicode (uint32_t unicode) const { |
| 238 |
|
|
$fun1 } |
| 239 |
|
|
uint32_t to_unicode (uint32_t enc) const { |
| 240 |
|
|
$fun2 } |
| 241 |
|
|
} rxvt_codeset_conv_$base; |
| 242 |
|
|
|
| 243 |
|
|
#else |
| 244 |
|
|
|
| 245 |
|
|
#define rxvt_codeset_conv_$base rxvt_codeset_conv_unknown |
| 246 |
|
|
|
| 247 |
|
|
#endif |
| 248 |
|
|
EOF |
| 249 |
|
|
|
| 250 |
|
|
close OUT; |
| 251 |
|
|
} |
| 252 |
|
|
|
| 253 |
|
|
__DATA__ |
| 254 |
|
|
VN viscii viscii |
| 255 |
|
|
KR ksc5601_1987_0 ksc5601-raw |
| 256 |
|
|
CN gb2312_1980_0 gb2312-raw |
| 257 |
|
|
CN_EXT cns11643_1992_1 cns11643-1 |
| 258 |
|
|
CN_EXT cns11643_1992_2 cns11643-2 |
| 259 |
|
|
CN_EXT cns11643_1992_3 cns11643-3 |
| 260 |
|
|
CN_EXT cns11643_1992_4 cns11643-4 |
| 261 |
|
|
CN_EXT cns11643_1992_5 cns11643-5 |
| 262 |
|
|
CN_EXT cns11643_1992_6 cns11643-6 |
| 263 |
|
|
CN_EXT cns11643_1992_7 cns11643-7 |
| 264 |
|
|
CN_EXT cns11643_1992_f cns11643-f |
| 265 |
pcg |
1.2 |
CN big5 big5 |
| 266 |
pcg |
1.1 |
CN_EXT big5_ext big5ext |
| 267 |
|
|
CN_EXT big5_plus big5plus |
| 268 |
|
|
EU koi8_r koi8-r |
| 269 |
|
|
EU koi8_u koi8-u |
| 270 |
|
|
DEFAULT iso8859_1 iso-8859-1 |
| 271 |
|
|
EU iso8859_2 iso-8859-2 |
| 272 |
|
|
EU iso8859_3 iso-8859-3 |
| 273 |
|
|
EU iso8859_4 iso-8859-4 |
| 274 |
|
|
EU iso8859_5 iso-8859-5 |
| 275 |
|
|
EU iso8859_6 iso-8859-6 |
| 276 |
|
|
EU iso8859_7 iso-8859-7 |
| 277 |
|
|
EU iso8859_8 iso-8859-8 |
| 278 |
|
|
EU iso8859_9 iso-8859-9 |
| 279 |
|
|
EU iso8859_10 iso-8859-10 |
| 280 |
|
|
EU iso8859_11 iso-8859-11 |
| 281 |
|
|
EU iso8859_13 iso-8859-13 |
| 282 |
|
|
EU iso8859_14 iso-8859-14 |
| 283 |
|
|
DEFAULT iso8859_15 iso-8859-15 |
| 284 |
|
|
EU iso8859_16 iso-8859-16 |
| 285 |
|
|
JP jis0201_1976_0 jis0201-raw |
| 286 |
|
|
JP jis0208_1983_0 jis0208-raw |
| 287 |
|
|
JP jis0212_1990_0 jis0212-raw |
| 288 |
|
|
JP_EXT jis0213_1 jis0213-1-raw |
| 289 |
|
|
JP_EXT jis0213_2 jis0213-2-raw |
