<?php
+/**
+ * @package MediaWiki
+ * @subpackage Language
+ */
+
if( defined( "MEDIAWIKI" ) ) {
+# This file and LanguageLatin1.php may be included from within functions, so
+# we need to have global statements
+
+global $wgInputEncoding, $wgOutputEncoding, $wikiUpperChars, $wikiLowerChars;
+global $wgDBname, $wgMemc;
+
$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 );
+if( function_exists( 'mb_strtoupper' ) ) {
+ mb_internal_encoding('UTF-8');
+} else {
+ # Hack our own case conversion routines
+
+ # Loading serialized arrays is faster than parsing code :P
+ $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
+/**
+ * Base stuff useful to all UTF-8 based language files
+ * @package MediaWiki
+ */
class LanguageUtf8 extends Language {
+ # These two functions use mbstring library, if it is loaded
+ # or compiled and character mapping arrays otherwise.
+ # In case of language-specific character mismatch
+ # it should be dealt with in Language classes.
+
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 );
+ /**
+ * On pages with many links we can get called a lot.
+ * The multibyte uppercase functions are relatively
+ * slow, so check first if we can use a faster ASCII
+ * version instead; it saves a few milliseconds.
+ */
+ if( preg_match( '/^[\x80-\xff]/', $string ) ) {
+ if (function_exists('mb_strtoupper')) {
+ return mb_strtoupper(mb_substr($string,0,1)).mb_substr($string,1);
+ } else {
+ global $wikiUpperChars;
+ return preg_replace (
+ "/^([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)/e",
+ "strtr ( \"\$1\" , \$wikiUpperChars )",
+ $string );
+ }
+ }
+ return ucfirst( $string );
}
function lcfirst( $string ) {
- global $wikiLowerChars;
- return preg_replace (
- "/^([\\x00-\\x7f]|[\\xc0-\\xff][\\x80-\\xbf]*)/e",
- "strtr ( \"\$1\" , \$wikiLowerChars )",
- $string );
+ if (function_exists('mb_strtolower')) {
+ return mb_strtolower(mb_substr($string,0,1)).mb_substr($string,1);
+ } else {
+ global $wikiLowerChars;
+ return preg_replace (
+ "/^([A-Z]|[\\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 );
+
+ # In Language:: it just returns lowercase, maybe
+ # all strtolower on stripped output or argument
+ # should be removed and all stripForSearch
+ # methods adjusted to that.
+
+ wfProfileIn( "LanguageUtf8::stripForSearch" );
+ if( function_exists( 'mb_strtolower' ) ) {
+ $out = preg_replace(
+ "/([\\xc0-\\xff][\\x80-\\xbf]*)/e",
+ "'U8' . bin2hex( \"$1\" )",
+ mb_strtolower( $string ) );
+ } else {
+ global $wikiLowerChars;
+ $out = preg_replace(
+ "/([\\xc0-\\xff][\\x80-\\xbf]*)/e",
+ "'U8' . bin2hex( strtr( \"\$1\", \$wikiLowerChars ) )",
+ $string );
+ }
+ wfProfileOut( "LanguageUtf8::stripForSearch" );
+ return $out;
}
function fallback8bitEncoding() {
function checkTitleEncoding( $s ) {
global $wgInputEncoding;
+ if( is_array( $s ) ) {
+ wfDebugDieBacktrace( 'Given array to checkTitleEncoding.' );
+ }
# Check for non-UTF-8 URLs
$ishigh = preg_match( '/[\x80-\xff]/', $s);
if(!$ishigh) return $s;
return isset( $matches[1] ) ? $matches[1] : "";
}
+
+ # Crop a string from the beginning or end to a certain number of bytes.
+ # (Bytes are used because our storage has limited byte lengths for some
+ # columns in the database.) Multibyte charsets will need to make sure that
+ # only whole characters are included!
+ #
+ # $length does not include the optional ellipsis.
+ # If $length is negative, snip from the beginning
+ function truncate( $string, $length, $ellipsis = "" ) {
+ if( $length == 0 ) {
+ return $ellipsis;
+ }
+ if ( strlen( $string ) <= abs( $length ) ) {
+ return $string;
+ }
+ if( $length > 0 ) {
+ $string = substr( $string, 0, $length );
+ $char = ord( $string[strlen( $string ) - 1] );
+ if ($char >= 0xc0) {
+ # We got the first byte only of a multibyte char; remove it.
+ $string = substr( $string, 0, -1 );
+ } elseif( $char >= 0x80 &&
+ preg_match( '/^(.*)(?:[\xe0-\xef][\x80-\xbf]|' .
+ '[\xf0-\xf7][\x80-\xbf]{1,2})$/', $string, $m ) ) {
+ # We chopped in the middle of a character; remove it
+ $string = $m[1];
+ }
+ return $string . $ellipsis;
+ } else {
+ $string = substr( $string, $length );
+ $char = ord( $string[0] );
+ if( $char >= 0x80 && $char < 0xc0 ) {
+ # We chopped in the middle of a character; remove the whole thing
+ $string = preg_replace( '/^[\x80-\xbf]+/', '', $string );
+ }
+ return $ellipsis . $string;
+ }
+ }
}
} # ifdef MEDIAWIKI
dépôts / lhc / web / wiklou.git / blobdiff