1 files changed, 154 insertions, 0 deletions
diff --git a/www/wiki/extensions/Scribunto/includes/engines/LuaCommon/lualib/ustring/make-tables.php b/www/wiki/extensions/Scribunto/includes/engines/LuaCommon/lualib/ustring/make-tables.php
new file mode 100755
index 00000000..feeb5fa1
--- /dev/null
+++ b/www/wiki/extensions/Scribunto/includes/engines/LuaCommon/lualib/ustring/make-tables.php
@@ -0,0 +1,154 @@
+#!/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 );