<?php
-# Global functions used everywhere
-# $Id$
+/**
+ * Global functions used everywhere
+ * @package MediaWiki
+ */
+
+/**
+ * Some globals and requires needed
+ */
+
+/**
+ * Total number of articles
+ * @global integer $wgNumberOfArticles
+ */
$wgNumberOfArticles = -1; # Unset
+/**
+ * Total number of views
+ * @global integer $wgTotalViews
+ */
$wgTotalViews = -1;
+/**
+ * Total number of edits
+ * @global integer $wgTotalEdits
+ */
$wgTotalEdits = -1;
+
require_once( 'DatabaseFunctions.php' );
require_once( 'UpdateClasses.php' );
require_once( 'LogPage.php' );
+require_once( 'normal/UtfNormalUtil.php' );
-/*
+/**
* Compatibility functions
+ * PHP <4.3.x is not actively supported; 4.1.x and 4.2.x might or might not work.
+ * <4.1.x will not work, as we use a number of features introduced in 4.1.0
+ * such as the new autoglobals.
*/
-
-# PHP <4.3.x is not actively supported; 4.1.x and 4.2.x might or might not work.
-# <4.1.x will not work, as we use a number of features introduced in 4.1.0
-# such as the new autoglobals.
-
if( !function_exists('iconv') ) {
# iconv support is not in the default configuration and so may not be present.
# Assume will only ever use utf-8 and iso-8859-1.
}
}
-# html_entity_decode exists in PHP 4.3.0+ but is FATALLY BROKEN even then,
-# with no UTF-8 support.
-function do_html_entity_decode( $string, $quote_style=ENT_COMPAT, $charset='ISO-8859-1' ) {
- static $trans;
- if( !isset( $trans ) ) {
- $trans = array_flip( get_html_translation_table( HTML_ENTITIES, $quote_style ) );
- # Assumes $charset will always be the same through a run, and only understands
- # utf-8 or default. Note - mixing latin1 named entities and unicode numbered
- # ones will result in a bad link.
- if( strcasecmp( 'utf-8', $charset ) == 0 ) {
- $trans = array_map( 'utf8_encode', $trans );
+# UTF-8 substr function based on a PHP manual comment
+if ( !function_exists( 'mb_substr' ) ) {
+ function mb_substr( $str, $start ) {
+ preg_match_all( '/./us', $str, $ar );
+
+ if( func_num_args() >= 3 ) {
+ $end = func_get_arg( 2 );
+ return join( '', array_slice( $ar[0], $start, $end ) );
+ } else {
+ return join( '', array_slice( $ar[0], $start ) );
}
}
- return strtr( $string, $trans );
}
+/**
+ * Where as we got a random seed
+ * @var bool $wgTotalViews
+ */
$wgRandomSeeded = false;
-# Seed Mersenne Twister
-# Only necessary in PHP < 4.2.0
-function wfSeedRandom()
-{
+/**
+ * Seed Mersenne Twister
+ * Only necessary in PHP < 4.2.0
+ *
+ * @return bool
+ */
+function wfSeedRandom() {
global $wgRandomSeeded;
if ( ! $wgRandomSeeded && version_compare( phpversion(), '4.2.0' ) < 0 ) {
}
}
-# Generates a URL from a URL-encoded title and a query string
-# Title::getLocalURL() is preferred in most cases
-#
-function wfLocalUrl( $a, $q = '' )
-{
- global $wgServer, $wgScript, $wgArticlePath;
-
- $a = str_replace( ' ', '_', $a );
-
- if ( '' == $a ) {
- if( '' == $q ) {
- $a = $wgScript;
- } else {
- $a = $wgScript.'?'.$q;
- }
- } else if ( '' == $q ) {
- $a = str_replace( '$1', $a, $wgArticlePath );
- } else if ($wgScript != '' ) {
- $a = "{$wgScript}?title={$a}&{$q}";
- } else { //XXX hackish solution for toplevel wikis
- $a = "/{$a}?{$q}";
- }
- return $a;
-}
-
-function wfLocalUrlE( $a, $q = '' )
-{
- return htmlspecialchars( wfLocalUrl( $a, $q ) );
- # die( "Call to obsolete function wfLocalUrlE()" );
+/**
+ * Get a random decimal value between 0 and 1, in a way
+ * not likely to give duplicate values for any realistic
+ * number of articles.
+ *
+ * @return string
+ */
+function wfRandom() {
+ # The maximum random value is "only" 2^31-1, so get two random
+ # values to reduce the chance of dupes
+ $max = mt_getrandmax();
+ $rand = number_format( (mt_rand() * $max + mt_rand())
+ / $max / $max, 12, '.', '' );
+ return $rand;
}
-# We want / and : to be included as literal characters in our title URLs.
-# %2F in the page titles seems to fatally break for some reason.
-#
-function wfUrlencode ( $s )
-{
+/**
+ * We want / and : to be included as literal characters in our title URLs.
+ * %2F in the page titles seems to fatally break for some reason.
+ *
+ * @param string $s
+ * @return string
+*/
+function wfUrlencode ( $s ) {
$s = urlencode( $s );
$s = preg_replace( '/%3[Aa]/', ':', $s );
$s = preg_replace( '/%2[Ff]/', '/', $s );
return $s;
}
-# Return the UTF-8 sequence for a given Unicode code point.
-# Currently doesn't work for values outside the Basic Multilingual Plane.
-#
-function wfUtf8Sequence( $codepoint ) {
- if($codepoint < 0x80) return chr($codepoint);
- if($codepoint < 0x800) return chr($codepoint >> 6 & 0x3f | 0xc0) .
- chr($codepoint & 0x3f | 0x80);
- if($codepoint < 0x10000) return chr($codepoint >> 12 & 0x0f | 0xe0) .
- chr($codepoint >> 6 & 0x3f | 0x80) .
- chr($codepoint & 0x3f | 0x80);
- if($codepoint < 0x100000) return chr($codepoint >> 18 & 0x07 | 0xf0) . # Double-check this
- chr($codepoint >> 12 & 0x3f | 0x80) .
- chr($codepoint >> 6 & 0x3f | 0x80) .
- chr($codepoint & 0x3f | 0x80);
- # Doesn't yet handle outside the BMP
- return "&#$codepoint;";
-}
-
-# Converts numeric character entities to UTF-8
-function wfMungeToUtf8( $string ) {
- global $wgInputEncoding; # This is debatable
- #$string = iconv($wgInputEncoding, "UTF-8", $string);
- $string = preg_replace ( '/&#([0-9]+);/e', 'wfUtf8Sequence($1)', $string );
- $string = preg_replace ( '/&#x([0-9a-f]+);/ie', 'wfUtf8Sequence(0x$1)', $string );
- # Should also do named entities here
- return $string;
-}
-
-# Converts a single UTF-8 character into the corresponding HTML character entity
-# (for use with preg_replace_callback)
-function wfUtf8Entity( $matches ) {
- $char = $matches[0];
- # Find the length
- $z = ord( $char{0} );
- if ( $z & 0x80 ) {
- $length = 0;
- while ( $z & 0x80 ) {
- $length++;
- $z <<= 1;
- }
- } else {
- $length = 1;
- }
-
- if ( $length != strlen( $char ) ) {
- return '';
- }
- if ( $length == 1 ) {
- return $char;
- }
-
- # Mask off the length-determining bits and shift back to the original location
- $z &= 0xff;
- $z >>= $length;
-
- # Add in the free bits from subsequent bytes
- for ( $i=1; $i<$length; $i++ ) {
- $z <<= 6;
- $z |= ord( $char{$i} ) & 0x3f;
- }
-
- # Make entity
- return "&#$z;";
-}
-
-# Converts all multi-byte characters in a UTF-8 string into the appropriate character entity
-function wfUtf8ToHTML($string) {
- return preg_replace_callback( '/[\\xc0-\\xfd][\\x80-\\xbf]*/', 'wfUtf8Entity', $string );
-}
-
-function wfDebug( $text, $logonly = false )
-{
+/**
+ * Sends a line to the debug log if enabled or, optionally, to a comment in output.
+ * In normal operation this is a NOP.
+ *
+ * Controlling globals:
+ * $wgDebugLogFile - points to the log file
+ * $wgProfileOnly - if set, normal debug messages will not be recorded.
+ * $wgDebugRawPage - if false, 'action=raw' hits will not result in debug output.
+ * $wgDebugComments - if on, some debug items may appear in comments in the HTML output.
+ *
+ * @param string $text
+ * @param bool $logonly Set true to avoid appearing in HTML when $wgDebugComments is set
+ */
+function wfDebug( $text, $logonly = false ) {
global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly, $wgDebugRawPage;
# Check for raw action using $_GET not $wgRequest, since the latter might not be initialised yet
$wgOut->debug( $text );
}
if ( '' != $wgDebugLogFile && !$wgProfileOnly ) {
- error_log( $text, 3, $wgDebugLogFile );
+ # Strip unprintables; they can switch terminal modes when binary data
+ # gets dumped, which is pretty annoying.
+ $text = preg_replace( '![\x00-\x08\x0b\x0c\x0e-\x1f]!', ' ', $text );
+ @error_log( $text, 3, $wgDebugLogFile );
}
}
-# Log for database errors
+/**
+ * Log for database errors
+ * @param string $text Database error message.
+ */
function wfLogDBError( $text ) {
global $wgDBerrorLog;
if ( $wgDBerrorLog ) {
}
}
-function logProfilingData()
-{
+/**
+ * @todo document
+ */
+function logProfilingData() {
global $wgRequestTime, $wgDebugLogFile, $wgDebugRawPage, $wgRequest;
global $wgProfiling, $wgProfileStack, $wgProfileLimit, $wgUser;
$now = wfTime();
$forward .= ' from ' . $_SERVER['HTTP_FROM'];
if( $forward )
$forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
- if($wgUser->getId() == 0)
+ if( $wgUser->isAnon() )
$forward .= ' anon';
$log = sprintf( "%s\t%04.3f\t%s\n",
gmdate( 'YmdHis' ), $elapsed,
}
}
-# Check if the wiki read-only lock file is present. This can be used to lock off
-# editing functions, but doesn't guarantee that the database will not be modified.
+/**
+ * Check if the wiki read-only lock file is present. This can be used to lock
+ * off editing functions, but doesn't guarantee that the database will not be
+ * modified.
+ * @return bool
+ */
function wfReadOnly() {
global $wgReadOnlyFile;
return is_file( $wgReadOnlyFile );
}
-$wgReplacementKeys = array( '$1', '$2', '$3', '$4', '$5', '$6', '$7', '$8', '$9' );
-# Get a message from anywhere
+/**
+ * Get a message from anywhere, for the current user language
+ *
+ * @param string
+ */
function wfMsg( $key ) {
- global $wgRequest;
- if ( $wgRequest->getVal( 'debugmsg' ) ) {
- if ( $key == 'linktrail' /* a special case where we want to return something specific */ )
- return "/^()(.*)$/sD";
- else
- return $key;
- }
$args = func_get_args();
- if ( count( $args ) ) {
- array_shift( $args );
- }
+ array_shift( $args );
return wfMsgReal( $key, $args, true );
}
-# Get a message from the language file
+/**
+ * Get a message from anywhere, for the current global language
+ */
+function wfMsgForContent( $key ) {
+ global $wgForceUIMsgAsContentMsg;
+ $args = func_get_args();
+ array_shift( $args );
+ $forcontent = true;
+ if( is_array( $wgForceUIMsgAsContentMsg ) &&
+ in_array( $key, $wgForceUIMsgAsContentMsg ) )
+ $forcontent = false;
+ return wfMsgReal( $key, $args, true, $forcontent );
+}
+
+/**
+ * Get a message from the language file, for the UI elements
+ */
function wfMsgNoDB( $key ) {
$args = func_get_args();
- if ( count( $args ) ) {
- array_shift( $args );
- }
+ array_shift( $args );
return wfMsgReal( $key, $args, false );
}
-# Really get a message
-function wfMsgReal( $key, $args, $useDB ) {
- global $wgReplacementKeys, $wgMessageCache, $wgLang;
+/**
+ * Get a message from the language file, for the content
+ */
+function wfMsgNoDBForContent( $key ) {
+ global $wgForceUIMsgAsContentMsg;
+ $args = func_get_args();
+ array_shift( $args );
+ $forcontent = true;
+ if( is_array( $wgForceUIMsgAsContentMsg ) &&
+ in_array( $key, $wgForceUIMsgAsContentMsg ) )
+ $forcontent = false;
+ return wfMsgReal( $key, $args, false, $forcontent );
+}
+
- $fname = 'wfMsg';
+/**
+ * Really get a message
+ */
+function wfMsgReal( $key, $args, $useDB, $forContent=false ) {
+ static $replacementKeys = array( '$1', '$2', '$3', '$4', '$5', '$6', '$7', '$8', '$9' );
+ global $wgParser, $wgMsgParserOptions;
+ global $wgContLang, $wgLanguageCode;
+ global $wgMessageCache, $wgLang;
+
+ $fname = 'wfMsgReal';
wfProfileIn( $fname );
- if ( $wgMessageCache ) {
- $message = $wgMessageCache->get( $key, $useDB );
- } elseif ( $wgLang ) {
- $message = $wgLang->getMessage( $key );
+
+ if( is_object( $wgMessageCache ) ) {
+ $message = $wgMessageCache->get( $key, $useDB, $forContent );
} else {
- wfDebug( "No language object when getting $key\n" );
- $message = "<$key>";
+ if( $forContent ) {
+ $lang = &$wgContLang;
+ } else {
+ $lang = &$wgLang;
+ }
+
+ wfSuppressWarnings();
+
+ if( is_object( $lang ) ) {
+ $message = $lang->getMessage( $key );
+ } else {
+ $message = '';
+ }
+ wfRestoreWarnings();
+ if(!$message)
+ $message = Language::getMessage($key);
+ if(strstr($message, '{{' ) !== false) {
+ $message = $wgParser->transformMsg($message, $wgMsgParserOptions);
+ }
}
+
+ # Fix windows line-endings
+ # Some messages are split with explode("\n", $msg)
+ $message = str_replace( "\r", '', $message );
# Replace arguments
if( count( $args ) ) {
- $message = str_replace( $wgReplacementKeys, $args, $message );
+ $message = str_replace( $replacementKeys, $args, $message );
}
wfProfileOut( $fname );
return $message;
}
-# Just like exit() but makes a note of it.
-# Commits open transactions except if the error parameter is set
+
+
+/**
+ * Just like exit() but makes a note of it.
+ * Commits open transactions except if the error parameter is set
+ */
function wfAbruptExit( $error = false ){
global $wgLoadBalancer;
static $called = false;
exit();
}
+/**
+ * @todo document
+ */
function wfErrorExit() {
wfAbruptExit( true );
}
-# This is meant as a debugging aid to track down where bad data comes from.
-# Shouldn't be used in production code except maybe in "shouldn't happen" areas.
-#
+/**
+ * Die with a backtrace
+ * This is meant as a debugging aid to track down where bad data comes from.
+ * Shouldn't be used in production code except maybe in "shouldn't happen" areas.
+ *
+ * @param string $msg Message shown when dieing.
+ */
function wfDebugDieBacktrace( $msg = '' ) {
global $wgCommandLineMode;
- if ( function_exists( 'debug_backtrace' ) ) {
+ $backtrace = wfBacktrace();
+ if ( $backtrace !== false ) {
if ( $wgCommandLineMode ) {
- $msg .= "\nBacktrace:\n";
+ $msg .= "\nBacktrace:\n$backtrace";
} else {
- $msg .= "\n<p>Backtrace:</p>\n<ul>\n";
+ $msg .= "\n<p>Backtrace:</p>\n$backtrace";
}
- $backtrace = debug_backtrace();
- foreach( $backtrace as $call ) {
+ }
+ die( $msg );
+}
+
+function wfBacktrace() {
+ global $wgCommandLineMode;
+ if ( !function_exists( 'debug_backtrace' ) ) {
+ return false;
+ }
+
+ if ( $wgCommandLineMode ) {
+ $msg = '';
+ } else {
+ $msg = "<ul>\n";
+ }
+ $backtrace = debug_backtrace();
+ foreach( $backtrace as $call ) {
+ if( isset( $call['file'] ) ) {
$f = explode( DIRECTORY_SEPARATOR, $call['file'] );
$file = $f[count($f)-1];
- if ( $wgCommandLineMode ) {
- $msg .= "$file line {$call['line']} calls ";
- } else {
- $msg .= '<li>' . $file . ' line ' . $call['line'] . ' calls ';
- }
- if( !empty( $call['class'] ) ) $msg .= $call['class'] . '::';
- $msg .= $call['function'] . '()';
+ } else {
+ $file = '-';
+ }
+ if( isset( $call['line'] ) ) {
+ $line = $call['line'];
+ } else {
+ $line = '-';
+ }
+ if ( $wgCommandLineMode ) {
+ $msg .= "$file line $line calls ";
+ } else {
+ $msg .= '<li>' . $file . ' line ' . $line . ' calls ';
+ }
+ if( !empty( $call['class'] ) ) $msg .= $call['class'] . '::';
+ $msg .= $call['function'] . '()';
- if ( $wgCommandLineMode ) {
- $msg .= "\n";
- } else {
- $msg .= "</li>\n";
- }
+ if ( $wgCommandLineMode ) {
+ $msg .= "\n";
+ } else {
+ $msg .= "</li>\n";
}
- }
- die( $msg );
+ }
+ if ( $wgCommandLineMode ) {
+ $msg .= "\n";
+ } else {
+ $msg .= "</ul>\n";
+ }
+
+ return $msg;
}
/* Some generic result counters, pulled out of SearchEngine */
-function wfShowingResults( $offset, $limit )
-{
+
+/**
+ * @todo document
+ */
+function wfShowingResults( $offset, $limit ) {
global $wgLang;
return wfMsg( 'showingresults', $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ) );
}
-function wfShowingResultsNum( $offset, $limit, $num )
-{
+/**
+ * @todo document
+ */
+function wfShowingResultsNum( $offset, $limit, $num ) {
global $wgLang;
return wfMsg( 'showingresultsnum', $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ), $wgLang->formatNum( $num ) );
}
-function wfViewPrevNext( $offset, $limit, $link, $query = '', $atend = false )
-{
+/**
+ * @todo document
+ */
+function wfViewPrevNext( $offset, $limit, $link, $query = '', $atend = false ) {
global $wgUser, $wgLang;
$fmtLimit = $wgLang->formatNum( $limit );
$prev = wfMsg( 'prevn', $fmtLimit );
$next = wfMsg( 'nextn', $fmtLimit );
- $link = wfUrlencode( $link );
-
+
+ if( is_object( $link ) ) {
+ $title =& $link;
+ } else {
+ $title =& Title::newFromText( $link );
+ if( is_null( $title ) ) {
+ return false;
+ }
+ }
+
$sk = $wgUser->getSkin();
if ( 0 != $offset ) {
$po = $offset - $limit;
if ( $po < 0 ) { $po = 0; }
$q = "limit={$limit}&offset={$po}";
if ( '' != $query ) { $q .= '&'.$query; }
- $plink = '<a href="' . wfLocalUrlE( $link, $q ) . "\">{$prev}</a>";
+ $plink = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$prev}</a>";
} else { $plink = $prev; }
$no = $offset + $limit;
if ( $atend ) {
$nlink = $next;
} else {
- $nlink = '<a href="' . wfLocalUrlE( $link, $q ) . "\">{$next}</a>";
+ $nlink = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$next}</a>";
}
- $nums = wfNumLink( $offset, 20, $link , $query ) . ' | ' .
- wfNumLink( $offset, 50, $link, $query ) . ' | ' .
- wfNumLink( $offset, 100, $link, $query ) . ' | ' .
- wfNumLink( $offset, 250, $link, $query ) . ' | ' .
- wfNumLink( $offset, 500, $link, $query );
+ $nums = wfNumLink( $offset, 20, $title, $query ) . ' | ' .
+ wfNumLink( $offset, 50, $title, $query ) . ' | ' .
+ wfNumLink( $offset, 100, $title, $query ) . ' | ' .
+ wfNumLink( $offset, 250, $title, $query ) . ' | ' .
+ wfNumLink( $offset, 500, $title, $query );
return wfMsg( 'viewprevnext', $plink, $nlink, $nums );
}
-function wfNumLink( $offset, $limit, $link, $query = '' )
-{
+/**
+ * @todo document
+ */
+function wfNumLink( $offset, $limit, &$title, $query = '' ) {
global $wgUser, $wgLang;
if ( '' == $query ) { $q = ''; }
else { $q = $query.'&'; }
$q .= 'limit='.$limit.'&offset='.$offset;
$fmtLimit = $wgLang->formatNum( $limit );
- $s = '<a href="' . wfLocalUrlE( $link, $q ) . "\">{$fmtLimit}</a>";
+ $s = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$fmtLimit}</a>";
return $s;
}
+/**
+ * @todo document
+ * @todo FIXME: we may want to blacklist some broken browsers
+ *
+ * @return bool Whereas client accept gzip compression
+ */
function wfClientAcceptsGzip() {
global $wgUseGzip;
if( $wgUseGzip ) {
return false;
}
-# Yay, more global functions!
+/**
+ * Yay, more global functions!
+ */
function wfCheckLimits( $deflimit = 50, $optionname = 'rclimit' ) {
global $wgRequest;
return $wgRequest->getLimitOffset( $deflimit, $optionname );
}
-# Escapes the given text so that it may be output using addWikiText()
-# without any linking, formatting, etc. making its way through. This
-# is achieved by substituting certain characters with HTML entities.
-# As required by the callers, <nowiki> is not used. It currently does
-# not filter out characters which have special meaning only at the
-# start of a line, such as "*".
-function wfEscapeWikiText( $text )
-{
+/**
+ * Escapes the given text so that it may be output using addWikiText()
+ * without any linking, formatting, etc. making its way through. This
+ * is achieved by substituting certain characters with HTML entities.
+ * As required by the callers, <nowiki> is not used. It currently does
+ * not filter out characters which have special meaning only at the
+ * start of a line, such as "*".
+ *
+ * @param string $text Text to be escaped
+ */
+function wfEscapeWikiText( $text ) {
$text = str_replace(
- array( '[', '|', "'", 'ISBN ' , '://' , "\n=", '{{' ),
+ array( '[', '|', '\'', 'ISBN ' , '://' , "\n=", '{{' ),
array( '[', '|', ''', 'ISBN ', '://' , "\n=", '{{' ),
htmlspecialchars($text) );
return $text;
}
-function wfQuotedPrintable( $string, $charset = '' )
-{
+/**
+ * @todo document
+ */
+function wfQuotedPrintable( $string, $charset = '' ) {
# Probably incomplete; see RFC 2045
if( empty( $charset ) ) {
global $wgInputEncoding;
return $out;
}
-function wfTime(){
+/**
+ * Returns an escaped string suitable for inclusion in a string literal
+ * for JavaScript source code.
+ * Illegal control characters are assumed not to be present.
+ *
+ * @param string $string
+ * @return string
+ */
+function wfEscapeJsString( $string ) {
+ // See ECMA 262 section 7.8.4 for string literal format
+ $pairs = array(
+ "\\" => "\\\\",
+ "\"" => "\\\"",
+ "\'" => "\\\'",
+ "\n" => "\\n",
+ "\r" => "\\r",
+
+ # To avoid closing the element or CDATA section
+ "<" => "\\x3c",
+ ">" => "\\x3e",
+ );
+ return strtr( $string, $pairs );
+}
+
+/**
+ * @todo document
+ * @return float
+ */
+function wfTime() {
$st = explode( ' ', microtime() );
return (float)$st[0] + (float)$st[1];
}
-# Changes the first character to an HTML entity
+/**
+ * Changes the first character to an HTML entity
+ */
function wfHtmlEscapeFirst( $text ) {
$ord = ord($text);
$newText = substr($text, 1);
return "&#$ord;$newText";
}
-# Sets dest to source and returns the original value of dest
-# If source is NULL, it just returns the value, it doesn't set the variable
-function wfSetVar( &$dest, $source )
-{
+/**
+ * Sets dest to source and returns the original value of dest
+ * If source is NULL, it just returns the value, it doesn't set the variable
+ */
+function wfSetVar( &$dest, $source ) {
$temp = $dest;
if ( !is_null( $source ) ) {
$dest = $source;
return $temp;
}
-# As for wfSetVar except setting a bit
+/**
+ * As for wfSetVar except setting a bit
+ */
function wfSetBit( &$dest, $bit, $state = true ) {
$temp = (bool)($dest & $bit );
if ( !is_null( $state ) ) {
return $temp;
}
-# This function takes two arrays as input, and returns a CGI-style string, e.g.
-# "days=7&limit=100". Options in the first array override options in the second.
-# Options set to "" will not be output.
+/**
+ * This function takes two arrays as input, and returns a CGI-style string, e.g.
+ * "days=7&limit=100". Options in the first array override options in the second.
+ * Options set to "" will not be output.
+ */
function wfArrayToCGI( $array1, $array2 = NULL )
{
if ( !is_null( $array2 ) ) {
if ( '' != $cgi ) {
$cgi .= '&';
}
- $cgi .= $key.'='.$value;
+ $cgi .= urlencode( $key ) . '=' . urlencode( $value );
}
}
return $cgi;
}
-# This is obsolete, use SquidUpdate::purge()
+/**
+ * This is obsolete, use SquidUpdate::purge()
+ * @deprecated
+ */
function wfPurgeSquidServers ($urlArr) {
SquidUpdate::purge( $urlArr );
}
-# Windows-compatible version of escapeshellarg()
-# Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
-# function puts single quotes in regardless of OS
-function wfEscapeShellArg( )
-{
+/**
+ * Windows-compatible version of escapeshellarg()
+ * Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
+ * function puts single quotes in regardless of OS
+ */
+function wfEscapeShellArg( ) {
$args = func_get_args();
$first = true;
$retVal = '';
return $retVal;
}
-# wfMerge attempts to merge differences between three texts.
-# Returns true for a clean merge and false for failure or a conflict.
-
+/**
+ * wfMerge attempts to merge differences between three texts.
+ * Returns true for a clean merge and false for failure or a conflict.
+ */
function wfMerge( $old, $mine, $yours, &$result ){
global $wgDiff3;
}
# Make temporary files
- $td = '/tmp/';
+ $td = wfTempDir();
$oldtextFile = fopen( $oldtextName = tempnam( $td, 'merge-old-' ), 'w' );
$mytextFile = fopen( $mytextName = tempnam( $td, 'merge-mine-' ), 'w' );
$yourtextFile = fopen( $yourtextName = tempnam( $td, 'merge-your-' ), 'w' );
wfEscapeShellArg( $yourtextName );
$handle = popen( $cmd, 'r' );
- if( fgets( $handle ) ){
+ if( fgets( $handle, 1024 ) ){
$conflict = true;
} else {
$conflict = false;
return ! $conflict;
}
-function wfVarDump( $var )
-{
+/**
+ * @todo document
+ */
+function wfVarDump( $var ) {
global $wgOut;
- $s = str_replace("\n","<br>\n", var_export( $var, true ) . "\n");
+ $s = str_replace("\n","<br />\n", var_export( $var, true ) . "\n");
if ( headers_sent() || !@is_object( $wgOut ) ) {
print $s;
} else {
}
}
-# Provide a simple HTTP error.
+/**
+ * Provide a simple HTTP error.
+ */
function wfHttpError( $code, $label, $desc ) {
global $wgOut;
$wgOut->disable();
header( "Status: $code $label" );
$wgOut->sendCacheControl();
- # Don't send content if it's a HEAD request.
- if( $_SERVER['REQUEST_METHOD'] == 'HEAD' ) {
- header( 'Content-type: text/plain' );
- print "$desc\n";
- }
+ header( 'Content-type: text/html' );
+ print "<html><head><title>" .
+ htmlspecialchars( $label ) .
+ "</title></head><body><h1>" .
+ htmlspecialchars( $label ) .
+ "</h1><p>" .
+ htmlspecialchars( $desc ) .
+ "</p></body></html>\n";
}
-# Converts an Accept-* header into an array mapping string values to quality factors
+/**
+ * Converts an Accept-* header into an array mapping string values to quality
+ * factors
+ */
function wfAcceptToPrefs( $accept, $def = '*/*' ) {
# No arg means accept anything (per HTTP spec)
if( !$accept ) {
return $prefs;
}
-/* private */ function mimeTypeMatch( $type, $avail ) {
+/**
+ * Checks if a given MIME type matches any of the keys in the given
+ * array. Basic wildcards are accepted in the array keys.
+ *
+ * Returns the matching MIME type (or wildcard) if a match, otherwise
+ * NULL if no match.
+ *
+ * @param string $type
+ * @param array $avail
+ * @return string
+ * @access private
+ */
+function mimeTypeMatch( $type, $avail ) {
if( array_key_exists($type, $avail) ) {
return $type;
} else {
}
}
-# FIXME: doesn't handle params like 'text/plain; charset=UTF-8'
-# XXX: generalize to negotiate other stuff
+/**
+ * Returns the 'best' match between a client's requested internet media types
+ * and the server's list of available types. Each list should be an associative
+ * array of type to preference (preference is a float between 0.0 and 1.0).
+ * Wildcards in the types are acceptable.
+ *
+ * @param array $cprefs Client's acceptable type list
+ * @param array $sprefs Server's offered types
+ * @return string
+ *
+ * @todo FIXME: doesn't handle params like 'text/plain; charset=UTF-8'
+ * XXX: generalize to negotiate other stuff
+ */
function wfNegotiateType( $cprefs, $sprefs ) {
$combine = array();
return $besttype;
}
-# Array lookup
-# Returns an array where the values in the first array are replaced by the
-# values in the second array with the corresponding keys
-function wfArrayLookup( $a, $b )
-{
+/**
+ * Array lookup
+ * Returns an array where the values in the first array are replaced by the
+ * values in the second array with the corresponding keys
+ *
+ * @return array
+ */
+function wfArrayLookup( $a, $b ) {
return array_flip( array_intersect( array_flip( $a ), array_keys( $b ) ) );
}
-
-# Ideally we'd be using actual time fields in the db
-function wfTimestamp2Unix( $ts ) {
- return gmmktime( ( (int)substr( $ts, 8, 2) ),
- (int)substr( $ts, 10, 2 ), (int)substr( $ts, 12, 2 ),
- (int)substr( $ts, 4, 2 ), (int)substr( $ts, 6, 2 ),
- (int)substr( $ts, 0, 4 ) );
-}
-
-function wfUnix2Timestamp( $unixtime ) {
- return gmdate( 'YmdHis', $unixtime );
-}
-
+/**
+ * Convenience function; returns MediaWiki timestamp for the present time.
+ * @return string
+ */
function wfTimestampNow() {
# return NOW
- return gmdate( 'YmdHis' );
+ return wfTimestamp( TS_MW, time() );
}
-# Sorting hack for MySQL 3, which doesn't use index sorts for DESC
-function wfInvertTimestamp( $ts ) {
- return strtr(
- $ts,
- '0123456789',
- '9876543210'
- );
-}
-
-# Reference-counted warning suppression
+/**
+ * Reference-counted warning suppression
+ */
function wfSuppressWarnings( $end = false ) {
static $suppressCount = 0;
static $originalLevel = false;
}
}
-# Restore error level to previous value
+/**
+ * Restore error level to previous value
+ */
function wfRestoreWarnings() {
wfSuppressWarnings( true );
}
# Autodetect, convert and provide timestamps of various types
-define('TS_UNIX',0); # Standard unix timestamp (number of seconds since 1 Jan 1970)
-define('TS_MW',1); # Mediawiki concatenated string timestamp (yyyymmddhhmmss)
-define('TS_DB',2); # Standard database timestamp (yyyy-mm-dd hh:mm:ss)
+/**
+ * Unix time - the number of seconds since 1970-01-01 00:00:00 UTC
+ */
+define('TS_UNIX', 0);
+
+/**
+ * MediaWiki concatenated string timestamp (YYYYMMDDHHMMSS)
+ */
+define('TS_MW', 1);
+
+/**
+ * MySQL DATETIME (YYYY-MM-DD HH:MM:SS)
+ */
+define('TS_DB', 2);
+
+/**
+ * RFC 2822 format, for E-mail and HTTP headers
+ */
+define('TS_RFC2822', 3);
+
+/**
+ * An Exif timestamp (YYYY:MM:DD HH:MM:SS)
+ *
+ * @link http://exif.org/Exif2-2.PDF The Exif 2.2 spec, see page 28 for the
+ * DateTime tag and page 36 for the DateTimeOriginal and
+ * DateTimeDigitized tags.
+ */
+define('TS_EXIF', 4);
+
+
+/**
+ * @param mixed $outputtype A timestamp in one of the supported formats, the
+ * function will autodetect which format is supplied
+ and act accordingly.
+ * @return string Time in the format specified in $outputtype
+ */
function wfTimestamp($outputtype=TS_UNIX,$ts=0) {
- if (preg_match("/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/",$ts,$da)) {
+ if ($ts==0) {
+ $uts=time();
+ } elseif (preg_match("/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/",$ts,$da)) {
# TS_DB
$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
(int)$da[2],(int)$da[3],(int)$da[1]);
+ } elseif (preg_match("/^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)$/",$ts,$da)) {
+ # TS_EXIF
+ $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
+ (int)$da[2],(int)$da[3],(int)$da[1]);
} elseif (preg_match("/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/",$ts,$da)) {
# TS_MW
$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
} elseif (preg_match("/^(\d{1,13})$/",$ts,$datearray)) {
# TS_UNIX
$uts=$ts;
+ } else {
+ # Bogus value; fall back to the epoch...
+ wfDebug("wfTimestamp() fed bogus time value: $outputtype; $ts\n");
+ $uts = 0;
}
- if ($ts==0)
- $uts=time();
+
switch($outputtype) {
- case TS_UNIX:
- return $uts;
- break;
- case TS_MW:
- return gmdate( 'YmdHis', $uts );
- break;
- case TS_DB:
- return gmdate( 'Y-m-d H:i:s', $uts );
- break;
- default:
- return;
+ case TS_UNIX:
+ return $uts;
+ case TS_MW:
+ return gmdate( 'YmdHis', $uts );
+ case TS_DB:
+ return gmdate( 'Y-m-d H:i:s', $uts );
+ // This shouldn't ever be used, but is included for completeness
+ case TS_EXIF:
+ return gmdate( 'Y:m:d H:i:s', $uts );
+ case TS_RFC2822:
+ return gmdate( 'D, d M Y H:i:s', $uts ) . ' GMT';
+ default:
+ wfDebugDieBacktrace( 'wfTimestamp() called with illegal output type.');
+ }
+}
+
+/**
+ * Return a formatted timestamp, or null if input is null.
+ * For dealing with nullable timestamp columns in the database.
+ * @param int $outputtype
+ * @param string $ts
+ * @return string
+ */
+function wfTimestampOrNull( $outputtype = TS_UNIX, $ts = null ) {
+ if( is_null( $ts ) ) {
+ return null;
+ } else {
+ return wfTimestamp( $outputtype, $ts );
}
}
+/**
+ * Check where as the operating system is Windows
+ *
+ * @return bool True if it's windows, False otherwise.
+ */
function wfIsWindows() {
if (substr(php_uname(), 0, 7) == 'Windows') {
return true;
}
}
+/**
+ * Swap two variables
+ */
+function swap( &$x, &$y ) {
+ $z = $x;
+ $x = $y;
+ $y = $z;
+}
+
+function wfGetSiteNotice() {
+ global $wgSiteNotice, $wgTitle, $wgOut;
+ $fname = 'wfGetSiteNotice';
+ wfProfileIn( $fname );
+
+ $notice = wfMsg( 'sitenotice' );
+ if($notice == '<sitenotice>') $notice = '';
+ # Allow individual wikis to turn it off
+ if ( $notice == '-' ) {
+ $notice = '';
+ } else {
+ if ($notice == '') {
+ $notice = $wgSiteNotice;
+ }
+ if($notice != '-' && $notice != '') {
+ $specialparser = new Parser();
+ $parserOutput = $specialparser->parse( $notice, $wgTitle, $wgOut->mParserOptions, false );
+ $notice = $parserOutput->getText();
+ }
+ }
+ wfProfileOut( $fname );
+ return $notice;
+}
+
+/**
+ * Format an XML element with given attributes and, optionally, text content.
+ * Element and attribute names are assumed to be ready for literal inclusion.
+ * Strings are assumed to not contain XML-illegal characters; special
+ * characters (<, >, &) are escaped but illegals are not touched.
+ *
+ * @param string $element
+ * @param array $attribs Name=>value pairs. Values will be escaped.
+ * @param bool $contents NULL to make an open tag only; '' for a contentless closed tag (default)
+ * @return string
+ */
+function wfElement( $element, $attribs = array(), $contents = '') {
+ $out = '<' . $element;
+ foreach( $attribs as $name => $val ) {
+ $out .= ' ' . $name . '="' . htmlspecialchars( $val ) . '"';
+ }
+ if( is_null( $contents ) ) {
+ $out .= '>';
+ } else {
+ if( $contents == '' ) {
+ $out .= ' />';
+ } else {
+ $out .= '>';
+ $out .= htmlspecialchars( $contents );
+ $out .= "</$element>";
+ }
+ }
+ return $out;
+}
+
+/**
+ * Format an XML element as with wfElement(), but run text through the
+ * UtfNormal::cleanUp() validator first to ensure that no invalid UTF-8
+ * is passed.
+ *
+ * @param string $element
+ * @param array $attribs Name=>value pairs. Values will be escaped.
+ * @param bool $contents NULL to make an open tag only; '' for a contentless closed tag (default)
+ * @return string
+ */
+function wfElementClean( $element, $attribs = array(), $contents = '') {
+ if( $attribs ) {
+ $attribs = array_map( array( 'UtfNormal', 'cleanUp' ), $attribs );
+ }
+ return wfElement( $element, $attribs, UtfNormal::cleanUp( $contents ) );
+}
+
+/** Global singleton instance of MimeMagic. This is initialized on demand,
+* please always use the wfGetMimeMagic() function to get the instance.
+*
+* @private
+*/
+$wgMimeMagic= NULL;
+
+/** Factory functions for the global MimeMagic object.
+* This function always returns the same singleton instance of MimeMagic.
+* That objects will be instantiated on the first call to this function.
+* If needed, the MimeMagic.php file is automatically included by this function.
+* @return MimeMagic the global MimeMagic objects.
+*/
+function &wfGetMimeMagic() {
+ global $wgMimeMagic;
+
+ if (!is_null($wgMimeMagic)) {
+ return $wgMimeMagic;
+ }
+
+ if (!class_exists("MimeMagic")) {
+ #include on demand
+ require_once("MimeMagic.php");
+ }
+
+ $wgMimeMagic= new MimeMagic();
+
+ return $wgMimeMagic;
+}
+
+
+/**
+ * Tries to get the system directory for temporary files.
+ * The TMPDIR, TMP, and TEMP environment variables are checked in sequence,
+ * and if none are set /tmp is returned as the generic Unix default.
+ *
+ * NOTE: When possible, use the tempfile() function to create temporary
+ * files to avoid race conditions on file creation, etc.
+ *
+ * @return string
+ */
+function wfTempDir() {
+ foreach( array( 'TMPDIR', 'TMP', 'TEMP' ) as $var ) {
+ $tmp = getenv( 'TMPDIR' );
+ if( $tmp && file_exists( $tmp ) && is_dir( $tmp ) && is_writable( $tmp ) ) {
+ return $tmp;
+ }
+ }
+ # Hope this is Unix of some kind!
+ return '/tmp';
+}
+
+/**
+ * Make directory, and make all parent directories if they don't exist
+ */
+function wfMkdirParents( $fullDir, $mode ) {
+ $parts = explode( '/', $fullDir );
+ $path = '';
+ $success = false;
+ foreach ( $parts as $dir ) {
+ $path .= $dir . '/';
+ if ( !is_dir( $path ) ) {
+ if ( !mkdir( $path, $mode ) ) {
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
?>
dépôts / lhc / web / wiklou.git / blobdiff