global $wgLanguageNames;
require_once( dirname( __FILE__ ) . '/Names.php' );
-global $wgInputEncoding, $wgOutputEncoding;
-
-/**
- * These are always UTF-8, they exist only for backwards compatibility
- */
-$wgInputEncoding = 'UTF-8';
-$wgOutputEncoding = 'UTF-8';
-
if ( function_exists( 'mb_strtoupper' ) ) {
mb_internal_encoding( 'UTF-8' );
}
* @ingroup Language
*/
class Language {
- var $mConverter, $mVariants, $mCode, $mLoaded = false;
+
+ /**
+ * @var LanguageConverter
+ */
+ var $mConverter;
+
+ var $mVariants, $mCode, $mLoaded = false;
var $mMagicExtensions = array(), $mMagicHookDone = false;
var $mNamespaceIds, $namespaceNames, $namespaceAliases;
*/
var $transformData = array();
+ /**
+ * @var LocalisationCache
+ */
static public $dataCache;
+
static public $mLangObjCache = array();
static public $mWeekdayMsgs = array(
* @return Language
*/
protected static function newFromCode( $code ) {
- global $IP;
- static $recursionLevel = 0;
+ // Protect against path traversal below
+ if ( !Language::isValidCode( $code )
+ || strcspn( $code, ":/\\\000" ) !== strlen( $code ) )
+ {
+ throw new MWException( "Invalid language code \"$code\"" );
+ }
+
+ if ( !Language::isValidBuiltInCode( $code ) ) {
+ // It's not possible to customise this code with class files, so
+ // just return a Language object. This is to support uselang= hacks.
+ $lang = new Language;
+ $lang->setCode( $code );
+ return $lang;
+ }
+
+ // Check if there is a language class for the code
+ $class = self::classFromCode( $code );
+ self::preloadLanguageClass( $class );
+ if ( MWInit::classExists( $class ) ) {
+ $lang = new $class;
+ return $lang;
+ }
+
+ // Keep trying the fallback list until we find an existing class
+ $fallbacks = Language::getFallbacksFor( $code );
+ foreach ( $fallbacks as $fallbackCode ) {
+ if ( !Language::isValidBuiltInCode( $fallbackCode ) ) {
+ throw new MWException( "Invalid fallback '$fallbackCode' in fallback sequence for '$code'" );
+ }
+
+ $class = self::classFromCode( $fallbackCode );
+ self::preloadLanguageClass( $class );
+ if ( MWInit::classExists( $class ) ) {
+ $lang = Language::newFromCode( $fallbackCode );
+ $lang->setCode( $code );
+ return $lang;
+ }
+ }
+
+ throw new MWException( "Invalid fallback sequence for language '$code'" );
+ }
+
+ /**
+ * Returns true if a language code string is of a valid form, whether or
+ * not it exists. This includes codes which are used solely for
+ * customisation via the MediaWiki namespace.
+ *
+ * @param $code string
+ *
+ * @return bool
+ */
+ public static function isValidCode( $code ) {
+ return
+ strcspn( $code, ":/\\\000" ) === strlen( $code )
+ && !preg_match( Title::getTitleInvalidRegex(), $code );
+ }
+
+ /**
+ * Returns true if a language code is of a valid form for the purposes of
+ * internal customisation of MediaWiki, via Messages*.php.
+ *
+ * @param $code string
+ *
+ * @since 1.18
+ * @return bool
+ */
+ public static function isValidBuiltInCode( $code ) {
+ return preg_match( '/^[a-z0-9-]+$/i', $code );
+ }
+
+ /**
+ * @param $code
+ * @return String Name of the language class
+ */
+ public static function classFromCode( $code ) {
if ( $code == 'en' ) {
- $class = 'Language';
+ return 'Language';
} else {
- $class = 'Language' . str_replace( '-', '_', ucfirst( $code ) );
+ return 'Language' . str_replace( '-', '_', ucfirst( $code ) );
+ }
+ }
+
+ /**
+ * Includes language class files
+ *
+ * @param $class string Name of the language class
+ */
+ public static function preloadLanguageClass( $class ) {
+ global $IP;
+
+ if ( $class === 'Language' ) {
+ return;
+ }
+
+ if ( !defined( 'MW_COMPILED' ) ) {
// Preload base classes to work around APC/PHP5 bug
if ( file_exists( "$IP/languages/classes/$class.deps.php" ) ) {
include_once( "$IP/languages/classes/$class.deps.php" );
include_once( "$IP/languages/classes/$class.php" );
}
}
-
- if ( $recursionLevel > 5 ) {
- throw new MWException( "Language fallback loop detected when creating class $class\n" );
- }
-
- if ( !class_exists( $class ) ) {
- $fallback = Language::getFallbackFor( $code );
- ++$recursionLevel;
- $lang = Language::newFromCode( $fallback );
- --$recursionLevel;
- $lang->setCode( $code );
- } else {
- $lang = new $class;
- }
- return $lang;
}
/**
* Get the LocalisationCache instance
+ *
+ * @return LocalisationCache
*/
public static function getLocalisationCache() {
if ( is_null( self::$dataCache ) ) {
function initContLang() { }
/**
- * @deprecated Use User::getDefaultOptions()
- * @return array
+ * Same as getFallbacksFor for current language.
+ * @return array|bool
+ * @deprecated in 1.19
*/
- function getDefaultUserOptions() {
+ function getFallbackLanguageCode() {
wfDeprecated( __METHOD__ );
- return User::getDefaultOptions();
+ return self::getFallbackFor( $this->mCode );
}
- function getFallbackLanguageCode() {
- if ( $this->mCode === 'en' ) {
- return false;
- } else {
- return self::$dataCache->getItem( $this->mCode, 'fallback' );
- }
+ /**
+ * @return array
+ * @since 1.19
+ */
+ function getFallbackLanguages() {
+ return self::getFallbacksFor( $this->mCode );
}
/**
}
# Sometimes a language will be localised but not actually exist on this wiki.
- foreach( $this->namespaceNames as $key => $text ) {
+ foreach ( $this->namespaceNames as $key => $text ) {
if ( !isset( $validNamespaces[$key] ) ) {
unset( $this->namespaceNames[$key] );
}
# The above mixing may leave namespaces out of canonical order.
# Re-order by namespace ID number...
ksort( $this->namespaceNames );
+
+ wfRunHooks( 'LanguageGetNamespaces', array( &$this->namespaceNames ) );
}
return $this->namespaceNames;
}
* getNsText() except with '_' changed to ' ', useful for
* producing output.
*
+ * @param $index string
+ *
* @return array
*/
function getFormattedNsText( $index ) {
return strtr( $ns, '_', ' ' );
}
+ /**
+ * Returns gender-dependent namespace alias if available.
+ * @param $index Int: namespace index
+ * @param $gender String: gender key (male, female... )
+ * @return String
+ * @since 1.18
+ */
+ function getGenderNsText( $index, $gender ) {
+ global $wgExtraGenderNamespaces;
+
+ $ns = $wgExtraGenderNamespaces + self::$dataCache->getItem( $this->mCode, 'namespaceGenderAliases' );
+ return isset( $ns[$index][$gender] ) ? $ns[$index][$gender] : $this->getNsText( $index );
+ }
+
+ /**
+ * Whether this language makes distinguishes genders for example in
+ * namespaces.
+ * @return bool
+ * @since 1.18
+ */
+ function needsGenderDistinction() {
+ global $wgExtraGenderNamespaces, $wgExtraNamespaces;
+ if ( count( $wgExtraGenderNamespaces ) > 0 ) {
+ // $wgExtraGenderNamespaces overrides everything
+ return true;
+ } elseif ( isset( $wgExtraNamespaces[NS_USER] ) && isset( $wgExtraNamespaces[NS_USER_TALK] ) ) {
+ /// @todo There may be other gender namespace than NS_USER & NS_USER_TALK in the future
+ // $wgExtraNamespaces overrides any gender aliases specified in i18n files
+ return false;
+ } else {
+ // Check what is in i18n files
+ $aliases = self::$dataCache->getItem( $this->mCode, 'namespaceGenderAliases' );
+ return count( $aliases ) > 0;
+ }
+ }
+
/**
* Get a namespace key by value, case insensitive.
* Only matches namespace names for the current language, not the
return isset( $ids[$lctext] ) ? $ids[$lctext] : false;
}
+ /**
+ * @return array
+ */
function getNamespaceAliases() {
if ( is_null( $this->namespaceAliases ) ) {
$aliases = self::$dataCache->getItem( $this->mCode, 'namespaceAliases' );
}
}
}
+
+ global $wgExtraGenderNamespaces;
+ $genders = $wgExtraGenderNamespaces + (array)self::$dataCache->getItem( $this->mCode, 'namespaceGenderAliases' );
+ foreach ( $genders as $index => $forms ) {
+ foreach ( $forms as $alias ) {
+ $aliases[$alias] = $index;
+ }
+ }
+
$this->namespaceAliases = $aliases;
}
return $this->namespaceAliases;
}
+ /**
+ * @return array
+ */
function getNamespaceIds() {
if ( is_null( $this->mNamespaceIds ) ) {
global $wgNamespaceAliases;
return $this->mNamespaceIds;
}
-
/**
* Get a namespace key by value, case insensitive. Canonical namespace
* names override custom ones defined for the current language.
*/
function getNsIndex( $text ) {
$lctext = $this->lc( $text );
- if ( ( $ns = MWNamespace::getCanonicalIndex( $lctext ) ) !== null ) {
+ $ns = MWNamespace::getCanonicalIndex( $lctext );
+ if ( $ns !== null ) {
return $ns;
}
$ids = $this->getNamespaceIds();
* short names for language variants used for language conversion links.
*
* @param $code String
+ * @param $usemsg bool Use the "variantname-xyz" message if it exists
* @return string
*/
- function getVariantname( $code ) {
- return $this->getMessageFromDB( "variantname-$code" );
+ function getVariantname( $code, $usemsg = true ) {
+ $msg = "variantname-$code";
+ list( $rootCode ) = explode( '-', $code );
+ if ( $usemsg && wfMessage( $msg )->exists() ) {
+ return $this->getMessageFromDB( $msg );
+ }
+ $name = self::getLanguageName( $code );
+ if ( $name ) {
+ return $name; # if it's defined as a language name, show that
+ } else {
+ # otherwise, output the language code
+ return $code;
+ }
}
+ /**
+ * @param $name string
+ * @return string
+ */
function specialPage( $name ) {
$aliases = $this->getSpecialPageAliases();
if ( isset( $aliases[$name][0] ) ) {
return $this->getNsText( NS_SPECIAL ) . ':' . $name;
}
+ /**
+ * @return array
+ */
function getQuickbarSettings() {
return array(
$this->getMessage( 'qbsettings-none' ),
$this->getMessage( 'qbsettings-fixedleft' ),
$this->getMessage( 'qbsettings-fixedright' ),
$this->getMessage( 'qbsettings-floatingleft' ),
- $this->getMessage( 'qbsettings-floatingright' )
+ $this->getMessage( 'qbsettings-floatingright' ),
+ $this->getMessage( 'qbsettings-directionality' )
);
}
- function getMathNames() {
- return self::$dataCache->getItem( $this->mCode, 'mathNames' );
- }
-
+ /**
+ * @return array
+ */
function getDatePreferences() {
return self::$dataCache->getItem( $this->mCode, 'datePreferences' );
}
+ /**
+ * @return array
+ */
function getDateFormats() {
return self::$dataCache->getItem( $this->mCode, 'dateFormats' );
}
+ /**
+ * @return array|string
+ */
function getDefaultDateFormat() {
$df = self::$dataCache->getItem( $this->mCode, 'defaultDateFormat' );
if ( $df === 'dmy or mdy' ) {
}
}
+ /**
+ * @return array
+ */
function getDatePreferenceMigrationMap() {
return self::$dataCache->getItem( $this->mCode, 'datePreferenceMigrationMap' );
}
+ /**
+ * @param $image
+ * @return array|null
+ */
function getImageFile( $image ) {
return self::$dataCache->getSubitem( $this->mCode, 'imageFiles', $image );
}
- function getDefaultUserOptionOverrides() {
- return self::$dataCache->getItem( $this->mCode, 'defaultUserOptionOverrides' );
- }
-
+ /**
+ * @return array
+ */
function getExtraUserToggles() {
- return self::$dataCache->getItem( $this->mCode, 'extraUserToggles' );
+ return (array)self::$dataCache->getItem( $this->mCode, 'extraUserToggles' );
}
+ /**
+ * @param $tog
+ * @return string
+ */
function getUserToggle( $tog ) {
return $this->getMessageFromDB( "tog-$tog" );
}
/**
* Get language names, indexed by code.
* If $customisedOnly is true, only returns codes with a messages file
+ *
+ * @param $customisedOnly bool
+ *
+ * @return array
*/
public static function getLanguageNames( $customisedOnly = false ) {
- global $wgLanguageNames, $wgExtraLanguageNames;
- $allNames = $wgExtraLanguageNames + $wgLanguageNames;
+ global $wgExtraLanguageNames;
+ static $coreLanguageNames;
+
+ if ( $coreLanguageNames === null ) {
+ include( MWInit::compiledPath( 'languages/Names.php' ) );
+ }
+
+ $allNames = $wgExtraLanguageNames + $coreLanguageNames;
if ( !$customisedOnly ) {
return $allNames;
}
return wfMsgExt( $msg, array( 'parsemag', 'language' => $this ) );
}
+ /**
+ * @param $code string
+ * @return string
+ */
function getLanguageName( $code ) {
$names = self::getLanguageNames();
if ( !array_key_exists( $code, $names ) ) {
return $names[$code];
}
+ /**
+ * @param $key string
+ * @return string
+ */
function getMonthName( $key ) {
return $this->getMessageFromDB( self::$mMonthMsgs[$key - 1] );
}
+ /**
+ * @return array
+ */
+ function getMonthNamesArray() {
+ $monthNames = array( '' );
+ for ( $i = 1; $i < 13; $i++ ) {
+ $monthNames[] = $this->getMonthName( $i );
+ }
+ return $monthNames;
+ }
+
+ /**
+ * @param $key string
+ * @return string
+ */
function getMonthNameGen( $key ) {
return $this->getMessageFromDB( self::$mMonthGenMsgs[$key - 1] );
}
+ /**
+ * @param $key string
+ * @return string
+ */
function getMonthAbbreviation( $key ) {
return $this->getMessageFromDB( self::$mMonthAbbrevMsgs[$key - 1] );
}
+ /**
+ * @return array
+ */
+ function getMonthAbbreviationsArray() {
+ $monthNames = array( '' );
+ for ( $i = 1; $i < 13; $i++ ) {
+ $monthNames[] = $this->getMonthAbbreviation( $i );
+ }
+ return $monthNames;
+ }
+
+ /**
+ * @param $key string
+ * @return string
+ */
function getWeekdayName( $key ) {
return $this->getMessageFromDB( self::$mWeekdayMsgs[$key - 1] );
}
+ /**
+ * @param $key string
+ * @return string
+ */
function getWeekdayAbbreviation( $key ) {
return $this->getMessageFromDB( self::$mWeekdayAbbrevMsgs[$key - 1] );
}
+ /**
+ * @param $key string
+ * @return string
+ */
function getIranianCalendarMonthName( $key ) {
return $this->getMessageFromDB( self::$mIranianCalendarMonthMsgs[$key - 1] );
}
+ /**
+ * @param $key string
+ * @return string
+ */
function getHebrewCalendarMonthName( $key ) {
return $this->getMessageFromDB( self::$mHebrewCalendarMonthMsgs[$key - 1] );
}
+ /**
+ * @param $key string
+ * @return string
+ */
function getHebrewCalendarMonthNameGen( $key ) {
return $this->getMessageFromDB( self::$mHebrewCalendarMonthGenMsgs[$key - 1] );
}
- function getHijriCalendarMonthName( $key ) {
- return $this->getMessageFromDB( self::$mHijriCalendarMonthMsgs[$key - 1] );
- }
-
/**
- * Used by date() and time() to adjust the time output.
- *
- * @param $ts Int the time in date('YmdHis') format
- * @param $tz Mixed: adjust the time by this amount (default false, mean we
- * get user timecorrection setting)
- * @return int
+ * @param $key string
+ * @return string
*/
- function userAdjust( $ts, $tz = false ) {
- global $wgUser, $wgLocalTZoffset;
-
- if ( $tz === false ) {
- $tz = $wgUser->getOption( 'timecorrection' );
- }
-
- $data = explode( '|', $tz, 3 );
-
- if ( $data[0] == 'ZoneInfo' ) {
- if ( function_exists( 'timezone_open' ) && @timezone_open( $data[2] ) !== false ) {
- $date = date_create( $ts, timezone_open( 'UTC' ) );
- date_timezone_set( $date, timezone_open( $data[2] ) );
- $date = date_format( $date, 'YmdHis' );
- return $date;
- }
- # Unrecognized timezone, default to 'Offset' with the stored offset.
- $data[0] = 'Offset';
- }
-
- $minDiff = 0;
- if ( $data[0] == 'System' || $tz == '' ) {
- # Global offset in minutes.
- if ( isset( $wgLocalTZoffset ) ) {
- $minDiff = $wgLocalTZoffset;
- }
- } else if ( $data[0] == 'Offset' ) {
- $minDiff = intval( $data[1] );
- } else {
- $data = explode( ':', $tz );
- if ( count( $data ) == 2 ) {
- $data[0] = intval( $data[0] );
- $data[1] = intval( $data[1] );
- $minDiff = abs( $data[0] ) * 60 + $data[1];
- if ( $data[0] < 0 ) {
- $minDiff = -$minDiff;
- }
- } else {
- $minDiff = intval( $data[0] ) * 60;
- }
- }
-
- # No difference ? Return time unchanged
- if ( 0 == $minDiff ) {
- return $ts;
- }
-
- wfSuppressWarnings(); // E_STRICT system time bitching
- # Generate an adjusted date; take advantage of the fact that mktime
- # will normalize out-of-range values so we don't have to split $minDiff
- # into hours and minutes.
- $t = mktime( (
- (int)substr( $ts, 8, 2 ) ), # Hours
- (int)substr( $ts, 10, 2 ) + $minDiff, # Minutes
- (int)substr( $ts, 12, 2 ), # Seconds
- (int)substr( $ts, 4, 2 ), # Month
- (int)substr( $ts, 6, 2 ), # Day
- (int)substr( $ts, 0, 4 ) ); # Year
-
- $date = date( 'YmdHis', $t );
- wfRestoreWarnings();
-
- return $date;
+ function getHijriCalendarMonthName( $key ) {
+ return $this->getMessageFromDB( self::$mHijriCalendarMonthMsgs[$key - 1] );
}
/**
* YYYYMMDDHHMMSS
* 01234567890123
* @todo handling of "o" format character for Iranian, Hebrew, Hijri & Thai?
+ *
+ * @return string
*/
function sprintfDate( $format, $ts ) {
$s = '';
private static $GREG_DAYS = array( 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 );
private static $IRANIAN_DAYS = array( 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29 );
+
/**
* Algorithm by Roozbeh Pournader and Mohammad Toossi to convert
* Gregorian dates to Iranian dates. Originally written in C, it
* License. Conversion to PHP was performed by Niklas Laxström.
*
* Link: http://www.farsiweb.info/jalali/jalali.c
+ *
+ * @param $ts string
+ *
+ * @return string
*/
private static function tsToIranian( $ts ) {
$gy = substr( $ts, 0, 4 ) -1600;
- floor( ( $gy + 99 ) / 100 )
+ floor( ( $gy + 399 ) / 400 );
-
// Add days of the past months of this year
for ( $i = 0; $i < $gm; $i++ ) {
$gDayNo += self::$GREG_DAYS[$i];
}
// Days passed in current month
- $gDayNo += $gd;
+ $gDayNo += (int)$gd;
$jDayNo = $gDayNo - 79;
* Based on a PHP-Nuke block by Sharjeel which is released under GNU/GPL license
*
* @link http://phpnuke.org/modules.php?name=News&file=article&sid=8234&mode=thread&order=0&thold=0
+ *
+ * @param $ts string
+ *
+ * @return string
*/
private static function tsToHijri( $ts ) {
$year = substr( $ts, 0, 4 );
*
* The months are counted from Tishrei = 1. In a leap year, Adar I is 13
* and Adar II is 14. In a non-leap year, Adar is 6.
+ *
+ * @param $ts string
+ *
+ * @return string
*/
private static function tsToHebrew( $ts ) {
# Parse date
* This calculates the Hebrew year start, as days since 1 September.
* Based on Carl Friedrich Gauss algorithm for finding Easter date.
* Used for Hebrew date.
+ *
+ * @param $year int
+ *
+ * @return string
*/
private static function hebrewYearStart( $year ) {
$a = intval( ( 12 * ( $year - 1 ) + 17 ) % 19 );
$c = intval( ( $Mar + 3 * ( $year - 1 ) + 5 * $b + 5 ) % 7 );
if ( $c == 0 && $a > 11 && $m >= 0.89772376543210 ) {
$Mar++;
- } else if ( $c == 1 && $a > 6 && $m >= 0.63287037037037 ) {
+ } elseif ( $c == 1 && $a > 6 && $m >= 0.63287037037037 ) {
$Mar += 2;
- } else if ( $c == 2 || $c == 4 || $c == 6 ) {
+ } elseif ( $c == 2 || $c == 4 || $c == 6 ) {
$Mar++;
}
# Add 543 years to the Gregorian calendar
# Months and days are identical
$gy_offset = $gy + 543;
- } else if ( ( !strcmp( $cName, 'minguo' ) ) || !strcmp( $cName, 'juche' ) ) {
+ } elseif ( ( !strcmp( $cName, 'minguo' ) ) || !strcmp( $cName, 'juche' ) ) {
# Minguo dates
# Deduct 1911 years from the Gregorian calendar
# Months and days are identical
$gy_offset = $gy - 1911;
- } else if ( !strcmp( $cName, 'tenno' ) ) {
+ } elseif ( !strcmp( $cName, 'tenno' ) ) {
# Nengō dates up to Meiji period
# Deduct years from the Gregorian calendar
# depending on the nengo periods
$gy_offset = '元';
}
$gy_offset = '明治' . $gy_offset;
- } else if (
+ } elseif (
( ( $gy == 1912 ) && ( $gm == 7 ) && ( $gd == 31 ) ) ||
( ( $gy == 1912 ) && ( $gm >= 8 ) ) ||
( ( $gy > 1912 ) && ( $gy < 1926 ) ) ||
$gy_offset = '元';
}
$gy_offset = '大正' . $gy_offset;
- } else if (
+ } elseif (
( ( $gy == 1926 ) && ( $gm == 12 ) && ( $gd >= 26 ) ) ||
( ( $gy > 1926 ) && ( $gy < 1989 ) ) ||
( ( $gy == 1989 ) && ( $gm == 1 ) && ( $gd < 8 ) )
/**
* Roman number formatting up to 3000
+ *
+ * @param $num int
+ *
+ * @return string
*/
static function romanNumeral( $num ) {
static $table = array(
$s = '';
for ( $pow10 = 1000, $i = 3; $i >= 0; $pow10 /= 10, $i-- ) {
if ( $num >= $pow10 ) {
- $s .= $table[$i][floor( $num / $pow10 )];
+ $s .= $table[$i][(int)floor( $num / $pow10 )];
}
$num = $num % $pow10;
}
/**
* Hebrew Gematria number formatting up to 9999
+ *
+ * @param $num int
+ *
+ * @return string
*/
static function hebrewNumeral( $num ) {
static $table = array(
return $str;
}
+ /**
+ * Used by date() and time() to adjust the time output.
+ *
+ * @param $ts Int the time in date('YmdHis') format
+ * @param $tz Mixed: adjust the time by this amount (default false, mean we
+ * get user timecorrection setting)
+ * @return int
+ */
+ function userAdjust( $ts, $tz = false ) {
+ global $wgUser, $wgLocalTZoffset;
+
+ if ( $tz === false ) {
+ $tz = $wgUser->getOption( 'timecorrection' );
+ }
+
+ $data = explode( '|', $tz, 3 );
+
+ if ( $data[0] == 'ZoneInfo' ) {
+ wfSuppressWarnings();
+ $userTZ = timezone_open( $data[2] );
+ wfRestoreWarnings();
+ if ( $userTZ !== false ) {
+ $date = date_create( $ts, timezone_open( 'UTC' ) );
+ date_timezone_set( $date, $userTZ );
+ $date = date_format( $date, 'YmdHis' );
+ return $date;
+ }
+ # Unrecognized timezone, default to 'Offset' with the stored offset.
+ $data[0] = 'Offset';
+ }
+
+ $minDiff = 0;
+ if ( $data[0] == 'System' || $tz == '' ) {
+ # Global offset in minutes.
+ if ( isset( $wgLocalTZoffset ) ) {
+ $minDiff = $wgLocalTZoffset;
+ }
+ } elseif ( $data[0] == 'Offset' ) {
+ $minDiff = intval( $data[1] );
+ } else {
+ $data = explode( ':', $tz );
+ if ( count( $data ) == 2 ) {
+ $data[0] = intval( $data[0] );
+ $data[1] = intval( $data[1] );
+ $minDiff = abs( $data[0] ) * 60 + $data[1];
+ if ( $data[0] < 0 ) {
+ $minDiff = -$minDiff;
+ }
+ } else {
+ $minDiff = intval( $data[0] ) * 60;
+ }
+ }
+
+ # No difference ? Return time unchanged
+ if ( 0 == $minDiff ) {
+ return $ts;
+ }
+
+ wfSuppressWarnings(); // E_STRICT system time bitching
+ # Generate an adjusted date; take advantage of the fact that mktime
+ # will normalize out-of-range values so we don't have to split $minDiff
+ # into hours and minutes.
+ $t = mktime( (
+ (int)substr( $ts, 8, 2 ) ), # Hours
+ (int)substr( $ts, 10, 2 ) + $minDiff, # Minutes
+ (int)substr( $ts, 12, 2 ), # Seconds
+ (int)substr( $ts, 4, 2 ), # Month
+ (int)substr( $ts, 6, 2 ), # Day
+ (int)substr( $ts, 0, 4 ) ); # Year
+
+ $date = date( 'YmdHis', $t );
+ wfRestoreWarnings();
+
+ return $date;
+ }
+
/**
* This is meant to be used by time(), date(), and timeanddate() to get
* the date preference they're supposed to use, it should be used in
/**
* Get a format string for a given type and preference
- * @param $type May be date, time or both
- * @param $pref The format name as it appears in Messages*.php
+ * @param $type string May be date, time or both
+ * @param $pref string The format name as it appears in Messages*.php
+ *
+ * @return string
*/
function getDateFormatString( $type, $pref ) {
if ( !isset( $this->dateFormatStrings[$type][$pref] ) ) {
* @param $adj Bool: whether to adjust the time output according to the
* user configured offset ($timecorrection)
* @param $format Mixed: true to use user's date format preference
- * @param $timecorrection String: the time offset as returned by
+ * @param $timecorrection String|bool the time offset as returned by
* validateTimeZone() in Special:Preferences
* @return string
*/
* @param $adj Bool: whether to adjust the time output according to the
* user configured offset ($timecorrection)
* @param $format Mixed: true to use user's date format preference
- * @param $timecorrection String: the time offset as returned by
+ * @param $timecorrection String|bool the time offset as returned by
* validateTimeZone() in Special:Preferences
* @return string
*/
* user configured offset ($timecorrection)
* @param $format Mixed: what format to return, if it's false output the
* default one (default true)
- * @param $timecorrection String: the time offset as returned by
+ * @param $timecorrection String|bool the time offset as returned by
* validateTimeZone() in Special:Preferences
* @return string
*/
return $this->sprintfDate( $df, $ts );
}
+ /**
+ * Internal helper function for userDate(), userTime() and userTimeAndDate()
+ *
+ * @param $type String: can be 'date', 'time' or 'both'
+ * @param $ts Mixed: the time format which needs to be turned into a
+ * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
+ * @param $user User object used to get preferences for timezone and format
+ * @param $options Array, can contain the following keys:
+ * - 'timecorrection': time correction, can have the following values:
+ * - true: use user's preference
+ * - false: don't use time correction
+ * - integer: value of time correction in minutes
+ * - 'format': format to use, can have the following values:
+ * - true: use user's preference
+ * - false: use default preference
+ * - string: format to use
+ * @return String
+ */
+ private function internalUserTimeAndDate( $type, $ts, User $user, array $options ) {
+ $ts = wfTimestamp( TS_MW, $ts );
+ $options += array( 'timecorrection' => true, 'format' => true );
+ if ( $options['timecorrection'] !== false ) {
+ if ( $options['timecorrection'] === true ) {
+ $offset = $user->getOption( 'timecorrection' );
+ } else {
+ $offset = $options['timecorrection'];
+ }
+ $ts = $this->userAdjust( $ts, $offset );
+ }
+ if ( $options['format'] === true ) {
+ $format = $user->getDatePreference();
+ } else {
+ $format = $options['format'];
+ }
+ $df = $this->getDateFormatString( $type, $this->dateFormat( $format ) );
+ return $this->sprintfDate( $df, $ts );
+ }
+
+ /**
+ * Get the formatted date for the given timestamp and formatted for
+ * the given user.
+ *
+ * @param $ts Mixed: the time format which needs to be turned into a
+ * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
+ * @param $user User object used to get preferences for timezone and format
+ * @param $options Array, can contain the following keys:
+ * - 'timecorrection': time correction, can have the following values:
+ * - true: use user's preference
+ * - false: don't use time correction
+ * - integer: value of time correction in minutes
+ * - 'format': format to use, can have the following values:
+ * - true: use user's preference
+ * - false: use default preference
+ * - string: format to use
+ * @return String
+ */
+ public function userDate( $ts, User $user, array $options = array() ) {
+ return $this->internalUserTimeAndDate( 'date', $ts, $user, $options );
+ }
+
+ /**
+ * Get the formatted time for the given timestamp and formatted for
+ * the given user.
+ *
+ * @param $ts Mixed: the time format which needs to be turned into a
+ * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
+ * @param $user User object used to get preferences for timezone and format
+ * @param $options Array, can contain the following keys:
+ * - 'timecorrection': time correction, can have the following values:
+ * - true: use user's preference
+ * - false: don't use time correction
+ * - integer: value of time correction in minutes
+ * - 'format': format to use, can have the following values:
+ * - true: use user's preference
+ * - false: use default preference
+ * - string: format to use
+ * @return String
+ */
+ public function userTime( $ts, User $user, array $options = array() ) {
+ return $this->internalUserTimeAndDate( 'time', $ts, $user, $options );
+ }
+
+ /**
+ * Get the formatted date and time for the given timestamp and formatted for
+ * the given user.
+ *
+ * @param $ts Mixed: the time format which needs to be turned into a
+ * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
+ * @param $user User object used to get preferences for timezone and format
+ * @param $options Array, can contain the following keys:
+ * - 'timecorrection': time correction, can have the following values:
+ * - true: use user's preference
+ * - false: don't use time correction
+ * - integer: value of time correction in minutes
+ * - 'format': format to use, can have the following values:
+ * - true: use user's preference
+ * - false: use default preference
+ * - string: format to use
+ * @return String
+ */
+ public function userTimeAndDate( $ts, User $user, array $options = array() ) {
+ return $this->internalUserTimeAndDate( 'both', $ts, $user, $options );
+ }
+
+ /**
+ * @param $key string
+ * @return array|null
+ */
function getMessage( $key ) {
- return self::$dataCache->getSubitem( $this->getCodeForMessage(), 'messages', $key );
+ return self::$dataCache->getSubitem( $this->mCode, 'messages', $key );
}
+ /**
+ * @return array
+ */
function getAllMessages() {
- return self::$dataCache->getItem( $this->getCodeForMessage(), 'messages' );
+ return self::$dataCache->getItem( $this->mCode, 'messages' );
}
+ /**
+ * @param $in
+ * @param $out
+ * @param $string
+ * @return string
+ */
function iconv( $in, $out, $string ) {
# This is a wrapper for iconv in all languages except esperanto,
# which does some nasty x-conversions beforehand
}
// callback functions for uc(), lc(), ucwords(), ucwordbreaks()
+
+ /**
+ * @param $matches array
+ * @return mixed|string
+ */
function ucwordbreaksCallbackAscii( $matches ) {
return $this->ucfirst( $matches[1] );
}
+ /**
+ * @param $matches array
+ * @return string
+ */
function ucwordbreaksCallbackMB( $matches ) {
return mb_strtoupper( $matches[0] );
}
+ /**
+ * @param $matches array
+ * @return string
+ */
function ucCallback( $matches ) {
list( $wikiUpperChars ) = self::getCaseMaps();
return strtr( $matches[1], $wikiUpperChars );
}
+ /**
+ * @param $matches array
+ * @return string
+ */
function lcCallback( $matches ) {
list( , $wikiLowerChars ) = self::getCaseMaps();
return strtr( $matches[1], $wikiLowerChars );
}
+ /**
+ * @param $matches array
+ * @return string
+ */
function ucwordsCallbackMB( $matches ) {
return mb_strtoupper( $matches[0] );
}
+ /**
+ * @param $matches array
+ * @return string
+ */
function ucwordsCallbackWiki( $matches ) {
list( $wikiUpperChars ) = self::getCaseMaps();
return strtr( $matches[0], $wikiUpperChars );
/**
* Make a string's first character uppercase
+ *
+ * @param $str string
+ *
+ * @return string
*/
function ucfirst( $str ) {
$o = ord( $str );
/**
* Convert a string to uppercase
+ *
+ * @param $str string
+ * @param $first bool
+ *
+ * @return string
*/
function uc( $str, $first = false ) {
if ( function_exists( 'mb_strtoupper' ) ) {
}
}
+ /**
+ * @param $str string
+ * @return mixed|string
+ */
function lcfirst( $str ) {
$o = ord( $str );
if ( !$o ) {
}
}
+ /**
+ * @param $str string
+ * @param $first bool
+ * @return mixed|string
+ */
function lc( $str, $first = false ) {
if ( function_exists( 'mb_strtolower' ) ) {
if ( $first ) {
}
}
+ /**
+ * @param $str string
+ * @return bool
+ */
function isMultibyte( $str ) {
return (bool)preg_match( '/[\x80-\xff]/', $str );
}
+ /**
+ * @param $str string
+ * @return mixed|string
+ */
function ucwords( $str ) {
if ( $this->isMultibyte( $str ) ) {
$str = $this->lc( $str );
}
}
- # capitalize words at word breaks
+ /**
+ * capitalize words at word breaks
+ *
+ * @param $str string
+ * @return mixed
+ */
function ucwordbreaks( $str ) {
if ( $this->isMultibyte( $str ) ) {
$str = $this->lc( $str );
* Do *not* perform any other normalisation in this function. If a caller
* uses this function when it should be using a more general normalisation
* function, then fix the caller.
+ *
+ * @param $s string
+ *
+ * @return string
*/
function caseFold( $s ) {
return $this->uc( $s );
}
+ /**
+ * @param $s string
+ * @return string
+ */
function checkTitleEncoding( $s ) {
if ( is_array( $s ) ) {
wfDebugDieBacktrace( 'Given array to checkTitleEncoding.' );
return $this->iconv( $this->fallback8bitEncoding(), 'utf-8', $s );
}
+ /**
+ * @return array
+ */
function fallback8bitEncoding() {
return self::$dataCache->getItem( $this->mCode, 'fallback8bitEncoding' );
}
* Some languages such as Chinese don't conventionally do this,
* which requires special handling when breaking up words for
* searching etc.
+ *
+ * @return bool
*/
function hasWordBreaks() {
return true;
/**
* convert double-width roman characters to single-width.
* range: ff00-ff5f ~= 0020-007f
+ *
+ * @param $string string
+ *
+ * @return string
*/
protected static function convertDoubleWidth( $string ) {
static $full = null;
return $string;
}
+ /**
+ * @param $string string
+ * @param $pattern string
+ * @return string
+ */
protected static function insertSpace( $string, $pattern ) {
$string = preg_replace( $pattern, " $1 ", $string );
$string = preg_replace( '/ +/', ' ', $string );
return $string;
}
+ /**
+ * @param $termsArray array
+ * @return array
+ */
function convertForSearchResult( $termsArray ) {
# some languages, e.g. Chinese, need to do a conversion
# in order for search results to be displayed correctly
# an override to the defaults can be set here on startup.
}
+ /**
+ * @param $s string
+ * @return string
+ */
function recodeForEdit( $s ) {
# For some languages we'll want to explicitly specify
# which characters make it into the edit box raw
# or are converted in some way or another.
- # Note that if wgOutputEncoding is different from
- # wgInputEncoding, this text will be further converted
- # to wgOutputEncoding.
global $wgEditEncoding;
if ( $wgEditEncoding == '' || $wgEditEncoding == 'UTF-8' ) {
return $s;
}
}
+ /**
+ * @param $s string
+ * @return string
+ */
function recodeInput( $s ) {
# Take the previous into account.
global $wgEditEncoding;
* to the modern Unicode equivalent.
*
* This is language-specific for performance reasons only.
+ *
+ * @param $s string
+ *
+ * @return string
*/
function normalize( $s ) {
global $wgAllUnicodeFixes;
*
* The data is cached in process memory. This will go faster if you have the
* FastStringSearch extension.
+ *
+ * @param $file string
+ * @param $string string
+ *
+ * @return string
*/
function transformUsingPairFile( $file, $string ) {
if ( !isset( $this->transformData[$file] ) ) {
/**
* A hidden direction mark (LRM or RLM), depending on the language direction
*
+ * @param $opposite Boolean Get the direction mark opposite to your language
* @return string
*/
- function getDirMark() {
- return $this->isRTL() ? "\xE2\x80\x8F" : "\xE2\x80\x8E";
+ function getDirMark( $opposite = false ) {
+ $rtl = "\xE2\x80\x8F";
+ $ltr = "\xE2\x80\x8E";
+ if ( $opposite ) { return $this->isRTL() ? $ltr : $rtl; }
+ return $this->isRTL() ? $rtl : $ltr;
}
+ /**
+ * @return array
+ */
function capitalizeAllNouns() {
return self::$dataCache->getItem( $this->mCode, 'capitalizeAllNouns' );
}
return self::$dataCache->getItem( $this->mCode, 'linkPrefixExtension' );
}
+ /**
+ * @return array
+ */
function getMagicWords() {
return self::$dataCache->getItem( $this->mCode, 'magicWords' );
}
- # Fill a MagicWord object with data from here
- function getMagic( $mw ) {
- if ( !$this->mMagicHookDone ) {
- $this->mMagicHookDone = true;
- wfProfileIn( 'LanguageGetMagic' );
- wfRunHooks( 'LanguageGetMagic', array( &$this->mMagicExtensions, $this->getCode() ) );
- wfProfileOut( 'LanguageGetMagic' );
+ protected function doMagicHook() {
+ if ( $this->mMagicHookDone ) {
+ return;
}
+ $this->mMagicHookDone = true;
+ wfProfileIn( 'LanguageGetMagic' );
+ wfRunHooks( 'LanguageGetMagic', array( &$this->mMagicExtensions, $this->getCode() ) );
+ wfProfileOut( 'LanguageGetMagic' );
+ }
+
+ /**
+ * Fill a MagicWord object with data from here
+ *
+ * @param $mw
+ */
+ function getMagic( $mw ) {
+ $this->doMagicHook();
+
if ( isset( $this->mMagicExtensions[$mw->mId] ) ) {
$rawEntry = $this->mMagicExtensions[$mw->mId];
} else {
}
if ( !is_array( $rawEntry ) ) {
- error_log( "\"$rawEntry\" is not a valid magic thingie for \"$mw->mId\"" );
+ error_log( "\"$rawEntry\" is not a valid magic word for \"$mw->mId\"" );
} else {
$mw->mCaseSensitive = $rawEntry[0];
$mw->mSynonyms = array_slice( $rawEntry, 1 );
/**
* Add magic words to the extension array
+ *
+ * @param $newWords array
*/
function addMagicWordsByLang( $newWords ) {
- $code = $this->getCode();
- $fallbackChain = array();
- while ( $code && !in_array( $code, $fallbackChain ) ) {
- $fallbackChain[] = $code;
- $code = self::getFallbackFor( $code );
- }
- if ( !in_array( 'en', $fallbackChain ) ) {
- $fallbackChain[] = 'en';
- }
+ $fallbackChain = $this->getFallbackLanguages();
$fallbackChain = array_reverse( $fallbackChain );
foreach ( $fallbackChain as $code ) {
if ( isset( $newWords[$code] ) ) {
/**
* Normally we output all numbers in plain en_US style, that is
* 293,291.235 for twohundredninetythreethousand-twohundredninetyone
- * point twohundredthirtyfive. However this is not sutable for all
+ * point twohundredthirtyfive. However this is not suitable for all
* languages, some such as Pakaran want ੨੯੩,੨੯੫.੨੩੫ and others such as
* Icelandic just want to use commas instead of dots, and dots instead
* of commas like "293.291,235".
return $number;
}
+ /**
+ * @param $number string
+ * @return string
+ */
function parseFormattedNumber( $number ) {
$s = $this->digitTransformTable();
if ( $s ) {
/**
* Adds commas to a given number
- *
+ * @since 1.19
* @param $_ mixed
* @return string
*/
function commafy( $_ ) {
- return strrev( (string)preg_replace( '/(\d{3})(?=\d)(?!\d*\.)/', '$1,', strrev( $_ ) ) );
+ $digitGroupingPattern = $this->digitGroupingPattern();
+
+ if ( !$digitGroupingPattern || $digitGroupingPattern === "###,###,###" ) {
+ // default grouping is at thousands, use the same for ###,###,### pattern too.
+ return strrev( (string)preg_replace( '/(\d{3})(?=\d)(?!\d*\.)/', '$1,', strrev( $_ ) ) );
+ } else {
+ // Ref: http://cldr.unicode.org/translation/number-patterns
+ $sign = "";
+ if ( intval( $_ ) < 0 ) {
+ // For negative numbers apply the algorithm like positive number and add sign.
+ $sign = "-";
+ $_ = substr( $_,1 );
+ }
+ $numberpart = array();
+ $decimalpart = array();
+ $numMatches = preg_match_all( "/(#+)/", $digitGroupingPattern, $matches );
+ preg_match( "/\d+/", $_, $numberpart );
+ preg_match( "/\.\d*/", $_, $decimalpart );
+ $groupedNumber = ( count( $decimalpart ) > 0 ) ? $decimalpart[0]:"";
+ if ( $groupedNumber === $_ ) {
+ // the string does not have any number part. Eg: .12345
+ return $sign . $groupedNumber;
+ }
+ $start = $end = strlen( $numberpart[0] );
+ while ( $start > 0 ) {
+ $match = $matches[0][$numMatches -1] ;
+ $matchLen = strlen( $match );
+ $start = $end - $matchLen;
+ if ( $start < 0 ) {
+ $start = 0;
+ }
+ $groupedNumber = substr( $_ , $start, $end -$start ) . $groupedNumber ;
+ $end = $start;
+ if ( $numMatches > 1 ) {
+ // use the last pattern for the rest of the number
+ $numMatches--;
+ }
+ if ( $start > 0 ) {
+ $groupedNumber = "," . $groupedNumber;
+ }
+ }
+ return $sign . $groupedNumber;
+ }
+ }
+ /**
+ * @return String
+ */
+ function digitGroupingPattern() {
+ return self::$dataCache->getItem( $this->mCode, 'digitGroupingPattern' );
}
+ /**
+ * @return array
+ */
function digitTransformTable() {
return self::$dataCache->getItem( $this->mCode, 'digitTransformTable' );
}
+ /**
+ * @return array
+ */
function separatorTransformTable() {
return self::$dataCache->getItem( $this->mCode, 'separatorTransformTable' );
}
for ( $i = $m; $i >= 0; $i-- ) {
if ( $i == $m ) {
$s = $l[$i];
- } else if ( $i == $m - 1 ) {
+ } elseif ( $i == $m - 1 ) {
$s = $l[$i] . $this->getMessageFromDB( 'and' ) . $this->getMessageFromDB( 'word-separator' ) . $s;
} else {
$s = $l[$i] . $this->getMessageFromDB( 'comma-separator' ) . $s;
* If $length is negative, the string will be truncated from the beginning
*
* @param $string String to truncate
- * @param $length Int: maximum length (excluding ellipses)
+ * @param $length Int: maximum length (including ellipses)
* @param $ellipsis String to append to the truncated text
+ * @param $adjustLength Boolean: Subtract length of ellipsis from $length.
+ * $adjustLength was introduced in 1.18, before that behaved as if false.
* @return string
*/
- function truncate( $string, $length, $ellipsis = '...' ) {
+ function truncate( $string, $length, $ellipsis = '...', $adjustLength = true ) {
# Use the localized ellipsis character
if ( $ellipsis == '...' ) {
$ellipsis = wfMsgExt( 'ellipsis', array( 'escapenoentities', 'language' => $this ) );
}
# Check if there is no need to truncate
if ( $length == 0 ) {
- return $ellipsis;
+ return $ellipsis; // convention
} elseif ( strlen( $string ) <= abs( $length ) ) {
- return $string;
+ return $string; // no need to truncate
}
$stringOriginal = $string;
- if ( $length > 0 ) {
- $string = substr( $string, 0, $length ); // xyz...
- $string = $this->removeBadCharLast( $string );
- $string = $string . $ellipsis;
+ # If ellipsis length is >= $length then we can't apply $adjustLength
+ if ( $adjustLength && strlen( $ellipsis ) >= abs( $length ) ) {
+ $string = $ellipsis; // this can be slightly unexpected
+ # Otherwise, truncate and add ellipsis...
} else {
- $string = substr( $string, $length ); // ...xyz
- $string = $this->removeBadCharFirst( $string );
- $string = $ellipsis . $string;
+ $eLength = $adjustLength ? strlen( $ellipsis ) : 0;
+ if ( $length > 0 ) {
+ $length -= $eLength;
+ $string = substr( $string, 0, $length ); // xyz...
+ $string = $this->removeBadCharLast( $string );
+ $string = $string . $ellipsis;
+ } else {
+ $length += $eLength;
+ $string = substr( $string, $length ); // ...xyz
+ $string = $this->removeBadCharFirst( $string );
+ $string = $ellipsis . $string;
+ }
}
- # Do not truncate if the ellipsis makes the string longer/equal (bug 22181)
+ # Do not truncate if the ellipsis makes the string longer/equal (bug 22181).
+ # This check is *not* redundant if $adjustLength, due to the single case where
+ # LEN($ellipsis) > ABS($limit arg); $stringOriginal could be shorter than $string.
if ( strlen( $string ) < strlen( $stringOriginal ) ) {
return $string;
} else {
* @return string
*/
protected function removeBadCharLast( $string ) {
- $char = ord( $string[strlen( $string ) - 1] );
- $m = array();
- 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];
+ if ( $string != '' ) {
+ $char = ord( $string[strlen( $string ) - 1] );
+ $m = array();
+ 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;
}
* @return string
*/
protected function removeBadCharFirst( $string ) {
- $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 );
+ if ( $string != '' ) {
+ $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 $string;
}
- /*
+ /**
* Truncate a string of valid HTML to a specified length in bytes,
* appending an optional string (e.g. for ellipses), and return valid HTML
*
* This is only intended for styled/linked text, such as HTML with
- * tags like <span> and <a>, were the tags are self-contained (valid HTML)
+ * tags like <span> and <a>, were the tags are self-contained (valid HTML).
+ * Also, this will not detect things like "display:none" CSS.
*
- * Note: tries to fix broken HTML with MWTidy
+ * Note: since 1.18 you do not need to leave extra room in $length for ellipses.
*
* @param string $text HTML string to truncate
- * @param int $length (zero/positive) Maximum length (excluding ellipses)
+ * @param int $length (zero/positive) Maximum length (including ellipses)
* @param string $ellipsis String to append to the truncated text
- * @returns string
+ * @return string
*/
function truncateHtml( $text, $length, $ellipsis = '...' ) {
# Use the localized ellipsis character
if ( $ellipsis == '...' ) {
$ellipsis = wfMsgExt( 'ellipsis', array( 'escapenoentities', 'language' => $this ) );
}
- # Check if there is no need to truncate
+ # Check if there is clearly no need to truncate
if ( $length <= 0 ) {
- return $ellipsis; // no text shown, nothing to format
+ return $ellipsis; // no text shown, nothing to format (convention)
} elseif ( strlen( $text ) <= $length ) {
- return $text; // string short enough even *with* HTML
+ return $text; // string short enough even *with* HTML (short-circuit)
}
- $text = MWTidy::tidy( $text ); // fix tags
- $displayLen = 0; // innerHTML legth so far
+
+ $dispLen = 0; // innerHTML legth so far
$testingEllipsis = false; // checking if ellipses will make string longer/equal?
$tagType = 0; // 0-open, 1-close
$bracketState = 0; // 1-tag start, 2-tag name, 0-neither
$entityState = 0; // 0-not entity, 1-entity
- $tag = $ret = '';
+ $tag = $ret = ''; // accumulated tag name, accumulated result string
$openTags = array(); // open tag stack
+ $maybeState = null; // possible truncation state
+
$textLen = strlen( $text );
- for ( $pos = 0; $pos < $textLen; ++$pos ) {
+ $neLength = max( 0, $length - strlen( $ellipsis ) ); // non-ellipsis len if truncated
+ for ( $pos = 0; true; ++$pos ) {
+ # Consider truncation once the display length has reached the maximim.
+ # We check if $dispLen > 0 to grab tags for the $neLength = 0 case.
+ # Check that we're not in the middle of a bracket/entity...
+ if ( $dispLen && $dispLen >= $neLength && $bracketState == 0 && !$entityState ) {
+ if ( !$testingEllipsis ) {
+ $testingEllipsis = true;
+ # Save where we are; we will truncate here unless there turn out to
+ # be so few remaining characters that truncation is not necessary.
+ if ( !$maybeState ) { // already saved? ($neLength = 0 case)
+ $maybeState = array( $ret, $openTags ); // save state
+ }
+ } elseif ( $dispLen > $length && $dispLen > strlen( $ellipsis ) ) {
+ # String in fact does need truncation, the truncation point was OK.
+ list( $ret, $openTags ) = $maybeState; // reload state
+ $ret = $this->removeBadCharLast( $ret ); // multi-byte char fix
+ $ret .= $ellipsis; // add ellipsis
+ break;
+ }
+ }
+ if ( $pos >= $textLen ) break; // extra iteration just for above checks
+
+ # Read the next char...
$ch = $text[$pos];
$lastCh = $pos ? $text[$pos - 1] : '';
$ret .= $ch; // add to result string
if ( $entityState ) {
if ( $ch == ';' ) {
$entityState = 0;
- $displayLen++; // entity is one displayed char
+ $dispLen++; // entity is one displayed char
}
} else {
+ if ( $neLength == 0 && !$maybeState ) {
+ // Save state without $ch. We want to *hit* the first
+ // display char (to get tags) but not *use* it if truncating.
+ $maybeState = array( substr( $ret, 0, -1 ), $openTags );
+ }
if ( $ch == '&' ) {
$entityState = 1; // entity found, (e.g. " ")
} else {
- $displayLen++; // this char is displayed
- // Add on the other display text after this...
- $skipped = $this->truncate_skip(
- $ret, $text, "<>&", $pos + 1, $length - $displayLen );
- $displayLen += $skipped;
+ $dispLen++; // this char is displayed
+ // Add the next $max display text chars after this in one swoop...
+ $max = ( $testingEllipsis ? $length : $neLength ) - $dispLen;
+ $skipped = $this->truncate_skip( $ret, $text, "<>&", $pos + 1, $max );
+ $dispLen += $skipped;
$pos += $skipped;
}
}
}
- # Consider truncation once the display length has reached the maximim.
- # Double-check that we're not in the middle of a bracket/entity...
- if ( $displayLen >= $length && $bracketState == 0 && $entityState == 0 ) {
- if ( !$testingEllipsis ) {
- $testingEllipsis = true;
- # Save where we are; we will truncate here unless
- # the ellipsis actually makes the string longer.
- $pOpenTags = $openTags; // save state
- $pRet = $ret; // save state
- } elseif ( $displayLen > ( $length + strlen( $ellipsis ) ) ) {
- # Ellipsis won't make string longer/equal, the truncation point was OK.
- $openTags = $pOpenTags; // reload state
- $ret = $this->removeBadCharLast( $pRet ); // reload state, multi-byte char fix
- $ret .= $ellipsis; // add ellipsis
- break;
- }
- }
- }
- if ( $displayLen == 0 ) {
- return ''; // no text shown, nothing to format
}
// Close the last tag if left unclosed by bad HTML
$this->truncate_endBracket( $tag, $text[$textLen - 1], $tagType, $openTags );
return $ret;
}
- // truncateHtml() helper function
- // like strcspn() but adds the skipped chars to $ret
- private function truncate_skip( &$ret, $text, $search, $start, $len = -1 ) {
+ /**
+ * truncateHtml() helper function
+ * like strcspn() but adds the skipped chars to $ret
+ *
+ * @param $ret
+ * @param $text
+ * @param $search
+ * @param $start
+ * @param $len
+ * @return int
+ */
+ private function truncate_skip( &$ret, $text, $search, $start, $len = null ) {
+ if ( $len === null ) {
+ $len = -1; // -1 means "no limit" for strcspn
+ } elseif ( $len < 0 ) {
+ $len = 0; // sanity
+ }
$skipCount = 0;
if ( $start < strlen( $text ) ) {
$skipCount = strcspn( $text, $search, $start, $len );
return $skipCount;
}
- /*
+ /**
* truncateHtml() helper function
* (a) push or pop $tag from $openTags as needed
* (b) clear $tag value
- * @param String &$tag Current HTML tag name we are looking at
- * @param int $tagType (0-open tag, 1-close tag)
- * @param char $lastCh Character before the '>' that ended this tag
- * @param array &$openTags Open tag stack (not accounting for $tag)
+ * @param &$tag string Current HTML tag name we are looking at
+ * @param $tagType int (0-open tag, 1-close tag)
+ * @param $lastCh char|string Character before the '>' that ended this tag
+ * @param &$openTags array Open tag stack (not accounting for $tag)
*/
private function truncate_endBracket( &$tag, $tagType, $lastCh, &$openTags ) {
$tag = ltrim( $tag );
if ( $tag != '' ) {
if ( $tagType == 0 && $lastCh != '/' ) {
$openTags[] = $tag; // tag opened (didn't close itself)
- } else if ( $tagType == 1 ) {
+ } elseif ( $tagType == 1 ) {
if ( $openTags && $tag == $openTags[count( $openTags ) - 1] ) {
array_pop( $openTags ); // tag closed
}
* but only in (some) interface messages; otherwise default gender is used.
* If second or third parameter are not specified, masculine is used.
* These details may be overriden per language.
+ *
+ * @param $gender string
+ * @param $forms array
+ *
+ * @return string
*/
function gender( $gender, $forms ) {
if ( !count( $forms ) ) {
/**
* Checks that convertPlural was given an array and pads it to requested
- * amound of forms by copying the last one.
+ * amount of forms by copying the last one.
*
* @param $count Integer: How many forms should there be at least
* @param $forms Array of forms given to convertPlural
}
/**
- * For translating of expiry times
- * @param $str String: the validated block time in English
- * @return Somehow translated block time
+ * @todo Maybe translate block durations. Note that this function is somewhat misnamed: it
+ * deals with translating the *duration* ("1 week", "4 days", etc), not the expiry time
+ * (which is an absolute timestamp). Please note: do NOT add this blindly, as it is used
+ * on old expiry lengths recorded in log entries. You'd need to provide the start date to
+ * match up with it.
+ *
+ * @param $str String: the validated block duration in English
+ * @return Somehow translated block duration
* @see LanguageFi.php for example implementation
*/
function translateBlockExpiry( $str ) {
- $scBlockExpiryOptions = $this->getMessageFromDB( 'ipboptions' );
-
- if ( $scBlockExpiryOptions == '-' ) {
- return $str;
- }
-
- foreach ( explode( ',', $scBlockExpiryOptions ) as $option ) {
- if ( strpos( $option, ':' ) === false ) {
- continue;
- }
- list( $show, $value ) = explode( ':', $option );
+ $duration = SpecialBlock::getSuggestedDurations( $this );
+ foreach ( $duration as $show => $value ) {
if ( strcmp( $str, $value ) == 0 ) {
return htmlspecialchars( trim( $show ) );
}
}
+ // Since usually only infinite or indefinite is only on list, so try
+ // equivalents if still here.
+ $indefs = array( 'infinite', 'infinity', 'indefinite' );
+ if ( in_array( $str, $indefs ) ) {
+ foreach ( $indefs as $val ) {
+ $show = array_search( $val, $duration, true );
+ if ( $show !== false ) {
+ return htmlspecialchars( trim( $show ) );
+ }
+ }
+ }
+ // If all else fails, return the original string.
return $str;
}
return $text;
}
- # convert text to all supported variants
+ /**
+ * convert text to all supported variants
+ *
+ * @param $text string
+ * @return array
+ */
function autoConvertToAllVariants( $text ) {
return $this->mConverter->autoConvertToAllVariants( $text );
}
- # convert text to different variants of a language.
+ /**
+ * convert text to different variants of a language.
+ *
+ * @param $text string
+ * @return string
+ */
function convert( $text ) {
return $this->mConverter->convert( $text );
}
- # Convert a Title object to a string in the preferred variant
+
+ /**
+ * Convert a Title object to a string in the preferred variant
+ *
+ * @param $title Title
+ * @return string
+ */
function convertTitle( $title ) {
return $this->mConverter->convertTitle( $title );
}
- # Check if this is a language with variants
+ /**
+ * Check if this is a language with variants
+ *
+ * @return bool
+ */
function hasVariants() {
return sizeof( $this->getVariants() ) > 1;
}
- # Put custom tags (e.g. -{ }-) around math to prevent conversion
+ /**
+ * Put custom tags (e.g. -{ }-) around math to prevent conversion
+ *
+ * @param $text string
+ * @return string
+ */
function armourMath( $text ) {
return $this->mConverter->armourMath( $text );
}
return htmlspecialchars( $this->convert( $text, $isTitle ) );
}
+ /**
+ * @param $key string
+ * @return string
+ */
function convertCategoryKey( $key ) {
return $this->mConverter->convertCategoryKey( $key );
}
return $this->mConverter->getVariants();
}
+ /**
+ * @return string
+ */
function getPreferredVariant() {
return $this->mConverter->getPreferredVariant();
}
-
+
+ /**
+ * @return string
+ */
function getDefaultVariant() {
return $this->mConverter->getDefaultVariant();
}
-
+
+ /**
+ * @return string
+ */
function getURLVariant() {
return $this->mConverter->getURLVariant();
}
* into an array of all possible variants of the text:
* 'variant' => text in that variant
*
- * @deprecated Use autoConvertToAllVariants()
+ * @deprecated since 1.17 Use autoConvertToAllVariants()
+ *
+ * @param $text string
+ *
+ * @return string
*/
function convertLinkToAllVariants( $text ) {
return $this->mConverter->convertLinkToAllVariants( $text );
* various functions in the Parser
*
* @param $text String: text to be tagged for no conversion
- * @param $noParse
+ * @param $noParse bool
* @return string the tagged text
*/
function markNoConversion( $text, $noParse = false ) {
return self::$dataCache->getItem( $this->mCode, 'linkTrail' );
}
+ /**
+ * @return Language
+ */
function getLangObj() {
return $this;
}
/**
* Get the RFC 3066 code for this language object
+ *
+ * @return string
*/
function getCode() {
return $this->mCode;
}
-
+
/**
- * Get langcode for message
- * Some language, like Chinese (zh, without any suffix), has multiple
- * interface languages, we could choose a better one for user.
- * Inherit class can override this function if necessary.
- *
- * @return string
+ * @param $code string
*/
- function getCodeForMessage() {
- return $this->getPreferredVariant();
- }
-
function setCode( $code ) {
$this->mCode = $code;
}
* @return string $prefix . $mangledCode . $suffix
*/
static function getFileName( $prefix = 'Language', $code, $suffix = '.php' ) {
+ // Protect against path traversal
+ if ( !Language::isValidCode( $code )
+ || strcspn( $code, ":/\\\000" ) !== strlen( $code ) )
+ {
+ throw new MWException( "Invalid language code \"$code\"" );
+ }
+
return $prefix . str_replace( '-', '_', ucfirst( $code ) ) . $suffix;
}
* @param $filename string $prefix . $languageCode . $suffix
* @param $prefix string Prefix before the language code
* @param $suffix string Suffix after the language code
- * @return Language code, or false if $prefix or $suffix isn't found
+ * @return string Language code, or false if $prefix or $suffix isn't found
*/
static function getCodeFromFileName( $filename, $prefix = 'Language', $suffix = '.php' ) {
$m = null;
return str_replace( '_', '-', strtolower( $m[1] ) );
}
+ /**
+ * @param $code string
+ * @return string
+ */
static function getMessagesFileName( $code ) {
global $IP;
return self::getFileName( "$IP/languages/messages/Messages", $code, '.php' );
}
+ /**
+ * @param $code string
+ * @return string
+ */
static function getClassFileName( $code ) {
global $IP;
return self::getFileName( "$IP/languages/classes/Language", $code, '.php' );
}
/**
- * Get the fallback for a given language
+ * Get the first fallback for a given language.
+ *
+ * @param $code string
+ *
+ * @return false|string
*/
static function getFallbackFor( $code ) {
- if ( $code === 'en' ) {
- // Shortcut
+ if ( $code === 'en' || !Language::isValidBuiltInCode( $code ) ) {
return false;
} else {
- return self::getLocalisationCache()->getItem( $code, 'fallback' );
+ $fallbacks = self::getFallbacksFor( $code );
+ $first = array_shift( $fallbacks );
+ return $first;
+ }
+ }
+
+ /**
+ * Get the ordered list of fallback languages.
+ *
+ * @since 1.19
+ * @param $code string Language code
+ * @return array
+ */
+ static function getFallbacksFor( $code ) {
+ if ( $code === 'en' || !Language::isValidBuiltInCode( $code ) ) {
+ return array();
+ } else {
+ $v = self::getLocalisationCache()->getItem( $code, 'fallback' );
+ $v = array_map( 'trim', explode( ',', $v ) );
+ if ( $v[count( $v ) - 1] !== 'en' ) {
+ $v[] = 'en';
+ }
+ return $v;
}
}
/**
* Get all messages for a given language
- * WARNING: this may take a long time
+ * WARNING: this may take a long time. If you just need all message *keys*
+ * but need the *contents* of only a few messages, consider using getMessageKeysFor().
+ *
+ * @param $code string
+ *
+ * @return array
*/
static function getMessagesFor( $code ) {
return self::getLocalisationCache()->getItem( $code, 'messages' );
/**
* Get a message for a given language
+ *
+ * @param $key string
+ * @param $code string
+ *
+ * @return string
*/
static function getMessageFor( $key, $code ) {
return self::getLocalisationCache()->getSubitem( $code, 'messages', $key );
}
+ /**
+ * Get all message keys for a given language. This is a faster alternative to
+ * array_keys( Language::getMessagesFor( $code ) )
+ *
+ * @since 1.19
+ * @param $code string Language code
+ * @return array of message keys (strings)
+ */
+ static function getMessageKeysFor( $code ) {
+ return self::getLocalisationCache()->getSubItemList( $code, 'messages' );
+ }
+
+ /**
+ * @param $talk
+ * @return mixed
+ */
function fixVariableInNamespace( $talk ) {
if ( strpos( $talk, '$1' ) === false ) {
return $talk;
return str_replace( ' ', '_', $talk );
}
+ /**
+ * @param $m string
+ * @return string
+ */
function replaceGrammarInNamespace( $m ) {
return $this->convertGrammar( trim( $m[2] ), trim( $m[1] ) );
}
+ /**
+ * @throws MWException
+ * @return array
+ */
static function getCaseMaps() {
static $wikiUpperChars, $wikiLowerChars;
if ( isset( $wikiUpperChars ) ) {
return array( $wikiUpperChars, $wikiLowerChars );
}
- function formatTimePeriod( $seconds ) {
+ /**
+ * Decode an expiry (block, protection, etc) which has come from the DB
+ *
+ * @param $expiry String: Database expiry String
+ * @param $format Bool|Int true to process using language functions, or TS_ constant
+ * to return the expiry in a given timestamp
+ * @return String
+ */
+ public function formatExpiry( $expiry, $format = true ) {
+ static $infinity, $infinityMsg;
+ if ( $infinity === null ) {
+ $infinityMsg = wfMessage( 'infiniteblock' );
+ $infinity = wfGetDB( DB_SLAVE )->getInfinity();
+ }
+
+ if ( $expiry == '' || $expiry == $infinity ) {
+ return $format === true
+ ? $infinityMsg
+ : $infinity;
+ } else {
+ return $format === true
+ ? $this->timeanddate( $expiry, /* User preference timezone */ true )
+ : wfTimestamp( $format, $expiry );
+ }
+ }
+
+ /**
+ * @todo Document
+ * @param $seconds int|float
+ * @param $format Array Optional
+ * If $format['avoid'] == 'avoidseconds' - don't mention seconds if $seconds >= 1 hour
+ * If $format['avoid'] == 'avoidminutes' - don't mention seconds/minutes if $seconds > 48 hours
+ * If $format['noabbrevs'] is true - use 'seconds' and friends instead of 'seconds-abbrev' and friends
+ * For backwards compatibility, $format may also be one of the strings 'avoidseconds' or 'avoidminutes'
+ * @return string
+ */
+ function formatTimePeriod( $seconds, $format = array() ) {
+ if ( !is_array( $format ) ) {
+ $format = array( 'avoid' => $format ); // For backwards compatibility
+ }
+ if ( !isset( $format['avoid'] ) ) {
+ $format['avoid'] = false;
+ }
+ if ( !isset( $format['noabbrevs' ] ) ) {
+ $format['noabbrevs'] = false;
+ }
+ $secondsMsg = wfMessage(
+ $format['noabbrevs'] ? 'seconds' : 'seconds-abbrev' )->inLanguage( $this );
+ $minutesMsg = wfMessage(
+ $format['noabbrevs'] ? 'minutes' : 'minutes-abbrev' )->inLanguage( $this );
+ $hoursMsg = wfMessage(
+ $format['noabbrevs'] ? 'hours' : 'hours-abbrev' )->inLanguage( $this );
+ $daysMsg = wfMessage(
+ $format['noabbrevs'] ? 'days' : 'days-abbrev' )->inLanguage( $this );
+
if ( round( $seconds * 10 ) < 100 ) {
- return $this->formatNum( sprintf( "%.1f", round( $seconds * 10 ) / 10 ) ) . $this->getMessageFromDB( 'seconds-abbrev' );
+ $s = $this->formatNum( sprintf( "%.1f", round( $seconds * 10 ) / 10 ) );
+ $s = $secondsMsg->params( $s )->text();
} elseif ( round( $seconds ) < 60 ) {
- return $this->formatNum( round( $seconds ) ) . $this->getMessageFromDB( 'seconds-abbrev' );
+ $s = $this->formatNum( round( $seconds ) );
+ $s = $secondsMsg->params( $s )->text();
} elseif ( round( $seconds ) < 3600 ) {
$minutes = floor( $seconds / 60 );
$secondsPart = round( fmod( $seconds, 60 ) );
$secondsPart = 0;
$minutes++;
}
- return $this->formatNum( $minutes ) . $this->getMessageFromDB( 'minutes-abbrev' ) . ' ' .
- $this->formatNum( $secondsPart ) . $this->getMessageFromDB( 'seconds-abbrev' );
- } else {
+ $s = $minutesMsg->params( $this->formatNum( $minutes ) )->text();
+ $s .= ' ';
+ $s .= $secondsMsg->params( $this->formatNum( $secondsPart ) )->text();
+ } elseif ( round( $seconds ) <= 2 * 86400 ) {
$hours = floor( $seconds / 3600 );
$minutes = floor( ( $seconds - $hours * 3600 ) / 60 );
$secondsPart = round( $seconds - $hours * 3600 - $minutes * 60 );
$minutes = 0;
$hours++;
}
- return $this->formatNum( $hours ) . $this->getMessageFromDB( 'hours-abbrev' ) . ' ' .
- $this->formatNum( $minutes ) . $this->getMessageFromDB( 'minutes-abbrev' ) . ' ' .
- $this->formatNum( $secondsPart ) . $this->getMessageFromDB( 'seconds-abbrev' );
+ $s = $hoursMsg->params( $this->formatNum( $hours ) )->text();
+ $s .= ' ';
+ $s .= $minutesMsg->params( $this->formatNum( $minutes ) )->text();
+ if ( !in_array( $format['avoid'], array( 'avoidseconds', 'avoidminutes' ) ) ) {
+ $s .= ' ' . $secondsMsg->params( $this->formatNum( $secondsPart ) )->text();
+ }
+ } else {
+ $days = floor( $seconds / 86400 );
+ if ( $format['avoid'] === 'avoidminutes' ) {
+ $hours = round( ( $seconds - $days * 86400 ) / 3600 );
+ if ( $hours == 24 ) {
+ $hours = 0;
+ $days++;
+ }
+ $s = $daysMsg->params( $this->formatNum( $days ) )->text();
+ $s .= ' ';
+ $s .= $hoursMsg->params( $this->formatNum( $hours ) )->text();
+ } elseif ( $format['avoid'] === 'avoidseconds' ) {
+ $hours = floor( ( $seconds - $days * 86400 ) / 3600 );
+ $minutes = round( ( $seconds - $days * 86400 - $hours * 3600 ) / 60 );
+ if ( $minutes == 60 ) {
+ $minutes = 0;
+ $hours++;
+ }
+ if ( $hours == 24 ) {
+ $hours = 0;
+ $days++;
+ }
+ $s = $daysMsg->params( $this->formatNum( $days ) )->text();
+ $s .= ' ';
+ $s .= $hoursMsg->params( $this->formatNum( $hours ) )->text();
+ $s .= ' ';
+ $s .= $minutesMsg->params( $this->formatNum( $minutes ) )->text();
+ } else {
+ $s = $daysMsg->params( $this->formatNum( $days ) )->text();
+ $s .= ' ';
+ $s .= $this->formatTimePeriod( $seconds - $days * 86400, $format );
+ }
}
+ return $s;
}
+ /**
+ * @param $bps int
+ * @return string
+ */
function formatBitrate( $bps ) {
$units = array( 'bps', 'kbps', 'Mbps', 'Gbps' );
if ( $bps <= 0 ) {
return $this->formatNum( $bps ) . $units[0];
}
- $unitIndex = floor( log10( $bps ) / 3 );
+ $unitIndex = (int)floor( log10( $bps ) / 3 );
$mantissa = $bps / pow( 1000, $unitIndex );
if ( $mantissa < 10 ) {
$mantissa = round( $mantissa, 1 );
* Format a size in bytes for output, using an appropriate
* unit (B, KB, MB or GB) according to the magnitude in question
*
- * @param $size Size to format
+ * @param $size int Size to format
* @return string Plain text (not HTML)
*/
function formatSize( $size ) {
return str_replace( '$1', $this->formatNum( $size ), $text );
}
+ /**
+ * Make a list item, used by various special pages
+ *
+ * @param $page String Page link
+ * @param $details String Text between brackets
+ * @param $oppositedm Boolean Add the direction mark opposite to your
+ * language, to display text properly
+ * @return String
+ */
+ function specialList( $page, $details, $oppositedm = true ) {
+ $dirmark = ( $oppositedm ? $this->getDirMark( true ) : '' ) .
+ $this->getDirMark();
+ $details = $details ? $dirmark . $this->getMessageFromDB( 'word-separator' ) .
+ wfMsgExt( 'parentheses', array( 'escape', 'replaceafter', 'language' => $this ), $details ) : '';
+ return $page . $details;
+ }
+
+ /**
+ * Generate (prev x| next x) (20|50|100...) type links for paging
+ *
+ * @param $title Title object to link
+ * @param $offset Integer offset parameter
+ * @param $limit Integer limit parameter
+ * @param $query String optional URL query parameter string
+ * @param $atend Bool optional param for specified if this is the last page
+ * @return String
+ */
+ public function viewPrevNext( Title $title, $offset, $limit, array $query = array(), $atend = false ) {
+ // @todo FIXME: Why on earth this needs one message for the text and another one for tooltip?
+
+ # Make 'previous' link
+ $prev = wfMessage( 'prevn' )->inLanguage( $this )->title( $title )->numParams( $limit )->text();
+ if( $offset > 0 ) {
+ $plink = $this->numLink( $title, max( $offset - $limit, 0 ), $limit,
+ $query, $prev, 'prevn-title', 'mw-prevlink' );
+ } else {
+ $plink = htmlspecialchars( $prev );
+ }
+
+ # Make 'next' link
+ $next = wfMessage( 'nextn' )->inLanguage( $this )->title( $title )->numParams( $limit )->text();
+ if( $atend ) {
+ $nlink = htmlspecialchars( $next );
+ } else {
+ $nlink = $this->numLink( $title, $offset + $limit, $limit,
+ $query, $next, 'prevn-title', 'mw-nextlink' );
+ }
+
+ # Make links to set number of items per page
+ $numLinks = array();
+ foreach( array( 20, 50, 100, 250, 500 ) as $num ) {
+ $numLinks[] = $this->numLink( $title, $offset, $num,
+ $query, $this->formatNum( $num ), 'shown-title', 'mw-numlink' );
+ }
+
+ return wfMessage( 'viewprevnext' )->inLanguage( $this )->title( $title
+ )->rawParams( $plink, $nlink, $this->pipeList( $numLinks ) )->escaped();
+ }
+
+ /**
+ * Helper function for viewPrevNext() that generates links
+ *
+ * @param $title Title object to link
+ * @param $offset Integer offset parameter
+ * @param $limit Integer limit parameter
+ * @param $query Array extra query parameters
+ * @param $link String text to use for the link; will be escaped
+ * @param $tooltipMsg String name of the message to use as tooltip
+ * @param $class String value of the "class" attribute of the link
+ * @return String HTML fragment
+ */
+ private function numLink( Title $title, $offset, $limit, array $query, $link, $tooltipMsg, $class ) {
+ $query = array( 'limit' => $limit, 'offset' => $offset ) + $query;
+ $tooltip = wfMessage( $tooltipMsg )->inLanguage( $this )->title( $title )->numParams( $limit )->text();
+ return Html::element( 'a', array( 'href' => $title->getLocalURL( $query ),
+ 'title' => $tooltip, 'class' => $class ), $link );
+ }
+
/**
* Get the conversion rule title, if any.
+ *
+ * @return string
*/
function getConvRuleTitle() {
return $this->mConverter->getConvRuleTitle();