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
|
#!/usr/bin/php
<?php
if ( PHP_SAPI !== 'cli' && PHP_SAPI !== 'phpdbg' ) {
die( "This script may only be executed from the command line.\n" );
}
$chars = [];
for ( $i = 0; $i <= 0x10ffff; $i++ ) {
if ( $i < 0xd800 || $i > 0xdfff ) { // Skip UTF-16 surrogates
$chars[$i] = mb_convert_encoding( pack( 'N', $i ), 'UTF-8', 'UTF-32BE' );
}
}
### Uppercase and Lowercase mappings
echo "Creating upper and lower tables...\n";
$L = fopen( __DIR__ . '/lower.lua', 'w' );
if ( !$L ) {
die( "Failed to open lower.lua\n" );
}
$U = fopen( __DIR__ . '/upper.lua', 'w' );
if ( !$U ) {
die( "Failed to open upper.lua\n" );
}
fprintf( $L, "-- This file is automatically generated by make-tables.php\n" );
fprintf( $L, "return {\n" );
fprintf( $U, "-- This file is automatically generated by make-tables.php\n" );
fprintf( $U, "return {\n" );
foreach ( $chars as $i => $c ) {
$l = mb_strtolower( $c, 'UTF-8' );
$u = mb_strtoupper( $c, 'UTF-8' );
if ( $c !== $l ) {
fprintf( $L, "\t[\"%s\"] = \"%s\",\n", $c, $l );
}
if ( $c !== $u ) {
fprintf( $U, "\t[\"%s\"] = \"%s\",\n", $c, $u );
}
}
fprintf( $L, "}\n" );
fprintf( $U, "}\n" );
fclose( $L );
fclose( $U );
### Pattern code mappings
echo "Creating charsets table...\n";
$fh = fopen( __DIR__ . '/charsets.lua', 'w' );
if ( !$fh ) {
die( "Failed to open charsets.lua\n" );
}
$pats = [
// These should match the expressions in UstringLibrary::patternToRegex()
'a' => [ '\p{L}', 'lu' ],
'c' => [ '\p{Cc}', null ],
'd' => [ '\p{Nd}', null ],
'l' => [ '\p{Ll}', null ],
'p' => [ '\p{P}', null ],
's' => [ '\p{Xps}', null ],
'u' => [ '\p{Lu}', null ],
'w' => [ null, 'da' ], # '[\p{L}\p{Nd}]' exactly matches 'a' + 'd'
'x' => [ '[0-9A-Fa-f０-９Ａ-Ｆａ-ｆ]', null ],
'z' => [ '\0', null ],
];
$ranges = [];
// @codingStandardsIgnoreLine MediaWiki.NamingConventions.PrefixedGlobalFunctions
function addRange( $k, $start, $end ) {
// @codingStandardsIgnoreLine MediaWiki.NamingConventions.ValidGlobalName
global $fh, $ranges;
// Speed/memory tradeoff
if ( !( $start >= 0x20 && $start < 0x7f ) && $end - $start >= 10 ) {
$ranges[$k][] = sprintf( "c >= 0x%06x and c < 0x%06x", $start, $end );
} else {
for ( $i = $start; $i < $end; $i++ ) {
fprintf( $fh, "\t\t[0x%06x] = 1,\n", $i );
}
}
}
fprintf( $fh, "-- This file is automatically generated by make-tables.php\n" );
fprintf( $fh, "local pats = {\n" );
foreach ( $pats as $k => $pp ) {
$ranges[$k] = [];
$re = $pp[0];
if ( !$re ) {
fprintf( $fh, "\t[0x%02x] = {},\n", ord( $k ) );
continue;
}
$re2 = 'fail';
if ( $pp[1] ) {
$re2 = [];
foreach ( str_split( $pp[1] ) as $p ) {
$re2[] = $pats[$p][0];
}
$re2 = implode( '|', $re2 );
}
fprintf( $fh, "\t[0x%02x] = {\n", ord( $k ) );
$rstart = null;
foreach ( $chars as $i => $c ) {
if ( preg_match( "/^$re$/u", $c ) && !preg_match( "/^$re2$/u", $c ) ) {
if ( $rstart === null ) {
$rstart = $i;
}
} else {
if ( $rstart !== null ) {
addRange( $k, $rstart, $i );
$rstart = null;
}
}
}
if ( $rstart !== null ) {
addRange( $k, $rstart, 0x110000 );
}
fprintf( $fh, "\t},\n" );
}
foreach ( $pats as $k => $pp ) {
$kk = strtoupper( $k );
fprintf( $fh, "\t[0x%02x] = {},\n", ord( $kk ) );
}
fprintf( $fh, "}\n" );
foreach ( $pats as $k => $pp ) {
$body = '';
$check = [];
if ( $pp[1] ) {
foreach ( str_split( $pp[1] ) as $p ) {
$check[] = sprintf( "pats[0x%02x][k]", ord( $p ) );
}
}
if ( $ranges[$k] ) {
$body = "\tlocal c = tonumber( k ) or 0/0;\n";
$check = array_merge( $check, $ranges[$k] );
}
if ( $check ) {
$body .= "\treturn " . implode( " or\n\t\t", $check );
fprintf( $fh, "setmetatable( pats[0x%02x], { __index = function ( t, k )\n%s\nend } )\n",
ord( $k ), $body );
}
}
foreach ( $pats as $k => $pp ) {
fprintf( $fh, "setmetatable( pats[0x%02x], { ", ord( strtoupper( $k ) ) );
fprintf( $fh, "__index = function ( t, k ) return k and not pats[0x%02x][k] end", ord( $k ) );
fprintf( $fh, " } )\n" );
}
fprintf( $fh, "\n-- For speed, cache printable ASCII characters in main tables\n" );
fprintf( $fh, "for k, t in pairs( pats ) do\n" );
fprintf( $fh, "\tif k >= 0x61 then\n" );
fprintf( $fh, "\t\tfor i = 0x20, 0x7e do\n" );
fprintf( $fh, "\t\t\tt[i] = t[i] or false\n" );
fprintf( $fh, "\t\tend\n" );
fprintf( $fh, "\tend\n" );
fprintf( $fh, "end\n" );
fprintf( $fh, "\nreturn pats\n" );
fclose( $fh );
|
