LanguageUtf8.php

Go to the documentation of this file.

<?php
if( defined( "MEDIAWIKI" ) ) {

$wgInputEncoding    = "utf-8";
$wgOutputEncoding       = "utf-8";

$wikiUpperChars = $wgMemc->get( $key1 = "$wgDBname:utf8:upper" );
$wikiLowerChars = $wgMemc->get( $key2 = "$wgDBname:utf8:lower" );

if(empty( $wikiUpperChars) || empty($wikiLowerChars )) {
        require_once( "includes/Utf8Case.php" );
        $wgMemc->set( $key1, $wikiUpperChars );
        $wgMemc->set( $key2, $wikiLowerChars );
}

# Base stuff useful to all UTF-8 based language files
class LanguageUtf8 extends Language {

        function ucfirst( $string ) {
                # For most languages, this is a wrapper for ucfirst()
                # But that doesn't work right in a UTF-8 locale
                global $wikiUpperChars;
                return preg_replace (
                "/^([\\x00-\\x7f]|[\\xc0-\\xff][\\x80-\\xbf]*)/e",
                "strtr ( \"\$1\" , \$wikiUpperChars )",
                $string );
        }
        
        function lcfirst( $string ) {
                global $wikiLowerChars;
                return preg_replace (
                "/^([\\x00-\\x7f]|[\\xc0-\\xff][\\x80-\\xbf]*)/e",
                "strtr ( \"\$1\" , \$wikiLowerChars )",
                $string );
        }

        function stripForSearch( $string ) {
                # MySQL fulltext index doesn't grok utf-8, so we
                # need to fold cases and convert to hex
                global $wikiLowerChars;
                return preg_replace(
                  "/([\\xc0-\\xff][\\x80-\\xbf]*)/e",
                  "'U8' . bin2hex( strtr( \"\$1\", \$wikiLowerChars ) )",
                  $string );
        }

        function fallback8bitEncoding() {
                # Windows codepage 1252 is a superset of iso 8859-1
                # override this to use difference source encoding to
                # translate incoming 8-bit URLs.
                return "windows-1252";
        }

        function checkTitleEncoding( $s ) {
                global $wgInputEncoding;

                # Check for non-UTF-8 URLs
                $ishigh = preg_match( '/[\x80-\xff]/', $s);
                if(!$ishigh) return $s;
                
                $isutf8 = preg_match( '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
                '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})+$/', $s );
                if( $isutf8 ) return $s;

                return $this->iconv( $this->fallback8bitEncoding(), "utf-8", $s );
        }

        function firstChar( $s ) {
                preg_match( '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
                '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})/', $s, $matches);
                
                return isset( $matches[1] ) ? $matches[1] : "";
        }
}

} # ifdef MEDIAWIKI

?>

---