<?php
/**
+ * Handler functions for Ajax requests
+ *
* @file
* @ingroup Ajax
*/
-if( !defined( 'MEDIAWIKI' ) ) {
+if ( !defined( 'MEDIAWIKI' ) ) {
die( 1 );
}
* Modified function from http://pure-essence.net/stuff/code/utf8RawUrlDecode.phps
*
* @param $source String escaped with Javascript's escape() function
- * @param $iconv_to String destination character set will be used as second parameter
+ * @param $iconv_to String destination character set will be used as second parameter
* in the iconv function. Default is UTF-8.
* @return string
*/
-function js_unescape($source, $iconv_to = 'UTF-8') {
+function js_unescape( $source, $iconv_to = 'UTF-8' ) {
$decodedStr = '';
$pos = 0;
- $len = strlen ($source);
+ $len = strlen ( $source );
- while ($pos < $len) {
- $charAt = substr ($source, $pos, 1);
- if ($charAt == '%') {
+ while ( $pos < $len ) {
+ $charAt = substr ( $source, $pos, 1 );
+ if ( $charAt == '%' ) {
$pos++;
- $charAt = substr ($source, $pos, 1);
- if ($charAt == 'u') {
+ $charAt = substr ( $source, $pos, 1 );
+
+ if ( $charAt == 'u' ) {
// we got a unicode character
$pos++;
- $unicodeHexVal = substr ($source, $pos, 4);
- $unicode = hexdec ($unicodeHexVal);
- $decodedStr .= code2utf($unicode);
+ $unicodeHexVal = substr ( $source, $pos, 4 );
+ $unicode = hexdec ( $unicodeHexVal );
+ $decodedStr .= code2utf( $unicode );
$pos += 4;
} else {
// we have an escaped ascii character
- $hexVal = substr ($source, $pos, 2);
- $decodedStr .= chr (hexdec ($hexVal));
+ $hexVal = substr ( $source, $pos, 2 );
+ $decodedStr .= chr ( hexdec ( $hexVal ) );
$pos += 2;
}
} else {
}
}
- if ($iconv_to != "UTF-8") {
- $decodedStr = iconv("UTF-8", $iconv_to, $decodedStr);
+ if ( $iconv_to != "UTF-8" ) {
+ $decodedStr = iconv( "utf-8", $iconv_to, $decodedStr );
}
return $decodedStr;
* @param $num Integer
* @return utf8char
*/
-function code2utf($num){
- if ( $num<128 )
- return chr($num);
- if ( $num<2048 )
- return chr(($num>>6)+192).chr(($num&63)+128);
- if ( $num<65536 )
- return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128);
- if ( $num<2097152 )
- return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128) .chr(($num&63)+128);
- return '';
-}
-
-/**
- * Called for AJAX watch/unwatch requests.
- * @param $pagename Prefixed title string for page to watch/unwatch
- * @param $watch String 'w' to watch, 'u' to unwatch
- * @return String '<w#>' or '<u#>' on successful watch or unwatch,
- * respectively, followed by an HTML message to display in the alert box; or
- * '<err#>' on error
- */
-function wfAjaxWatch($pagename = "", $watch = "") {
- if(wfReadOnly()) {
- // redirect to action=(un)watch, which will display the database lock
- // message
- return '<err#>';
+function code2utf( $num ) {
+ if ( $num < 128 ) {
+ return chr( $num );
}
- if('w' !== $watch && 'u' !== $watch) {
- return '<err#>';
+ if ( $num < 2048 ) {
+ return chr( ( $num >> 6 ) + 192 ) . chr( ( $num&63 ) + 128 );
}
- $watch = 'w' === $watch;
- $title = Title::newFromDBkey($pagename);
- if(!$title) {
- // Invalid title
- return '<err#>';
+ if ( $num < 65536 ) {
+ return chr( ( $num >> 12 ) + 224 ) . chr( ( ( $num >> 6 )&63 ) + 128 ) . chr( ( $num&63 ) + 128 );
}
- $article = new Article($title);
- $watching = $title->userIsWatching();
- if($watch) {
- if(!$watching) {
- $dbw = wfGetDB(DB_MASTER);
- $dbw->begin();
- $ok = $article->doWatch();
- $dbw->commit();
- }
- } else {
- if($watching) {
- $dbw = wfGetDB(DB_MASTER);
- $dbw->begin();
- $ok = $article->doUnwatch();
- $dbw->commit();
- }
- }
- // Something stopped the change
- if( isset($ok) && !$ok ) {
- return '<err#>';
+ if ( $num < 2097152 ) {
+ return chr( ( $num >> 18 ) + 240 ) . chr( ( ( $num >> 12 )&63 ) + 128 ) . chr( ( ( $num >> 6 )&63 ) + 128 ) . chr( ( $num&63 ) + 128 );
}
- if( $watch ) {
- return '<w#>'.wfMsgExt( 'addedwatchtext', array( 'parse' ), $title->getPrefixedText() );
- } else {
- return '<u#>'.wfMsgExt( 'removedwatchtext', array( 'parse' ), $title->getPrefixedText() );
+
+ return '';
+}
+
+/**
+ * Called in some places (currently just extensions)
+ * to get the URL for a given file.
+ */
+function wfAjaxGetFileUrl( $file ) {
+ $file = wfFindFile( $file );
+
+ if ( !$file || !$file->exists() ) {
+ return null;
}
+
+ $url = $file->getUrl();
+
+ return $url;
}