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fix for bug30377 : add a new parameter to limit the number of characters when rendering the channel item <description>

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Thomas Gries 2012-02-13 07:23:56 +00:00
parent 46e1da3b14
commit f54d6b047b
Notes: Thomas Gries 2012-02-13 07:23:56 +00:00 
https://mediawiki.org/wiki/Special:Code/MediaWiki/111350
3 changed files with 29 additions and 9 deletions
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7
RELEASE-NOTES
View file

@ -2,8 +2,6 @@ RELEASE NOTES of the MediaWiki extension RSS
http://www.mediawiki.org/wiki/Extension:RSS
=== TO DO ===
* bug 30377 add a new parameter to limit the number of characters when rendering
the channel item <description>
* set an upper default limit for HttpRequest request size when fetching feeds
doing a HEAD request first to ask for the size but that value may not be
available. Check how much data is returned as its coming back
@ -15,8 +13,11 @@ http://www.mediawiki.org/wiki/Extension:RSS
* bug 30028 "Error parsing XML for RSS" - improve and harden Extension:RSS when
parsing differently flavoured RSS feeds
=== Version 1.91 2012-02-13 ===
=== Version 1.92 2012-02-13 ===
* added optional date= attribute and $wgRSSDateDefaultFormat parameter
* added optional item-max-length= attribute and $wgRSSItemMaxLength parameter
fixes bug 30377 add a new parameter to limit the number of characters when
rendering the channel item <description>
=== Version 1.90 2011-08-15 ===
* removed parsing of each single channel subelement (item)

6
RSS.php
View file

@ -26,7 +26,7 @@ $wgExtensionCredits['parserhook'][] = array(
'Rdb', 'Mafs', 'Alxndr', 'Thomas Gries', 'Chris Reigrut',
'K001', 'Jack Phoenix', 'Jeroen De Dauw', 'Mark A. Hershberger'
),
'version' => '1.91 20120213',
'version' => '1.92 20120213',
'url' => 'https://www.mediawiki.org/wiki/Extension:RSS',
'descriptionmsg' => 'rss-desc',
);
@ -68,3 +68,7 @@ $wgRSSProxy = false;
// default date format of item publication dates see http://www.php.net/date
$wgRSSDateDefaultFormat = "(Y-m-d H:i:s)";
// limit the number of characters in the item description
// or set to false for unlimited length.
// $wgRSSItemMaxLength = 100;

25
RSSParser.php
View file

@ -2,6 +2,8 @@
class RSSParser {
protected $maxheads = 32;
protected $date = "Y-m-d H:i:s";
protected $ItemMaxLength = 200;
protected $reversed = false;
protected $highlight = array();
protected $filter = array();
@ -37,7 +39,7 @@ class RSSParser {
* and return an object that can produce rendered output.
*/
function __construct( $url, $args ) {
global $wgRSSDateDefaultFormat;
global $wgRSSDateDefaultFormat,$wgRSSItemMaxLength;
$this->url = $url;
@ -60,8 +62,6 @@ class RSSParser {
case ( isset( $wgRSSDateDefaultFormat ) ):
$this->date = $wgRSSDateDefaultFormat;
break;
default:
$this->date = "Y-m-d H:i:s";
}
# Get highlight terms from argument array
@ -75,6 +75,16 @@ class RSSParser {
$this->filter = self::explodeOnSpaces( $args['filter'] );
}
# Get a maximal length for item texts
switch ( true ) {
case ( isset( $args['item-max-length'] ) ):
$this->ItemMaxLength = $args['item-max-length'];
break;
case ( isset( $wgRSSItemMaxLength ) ):
$this->ItemMaxLength = $wgRSSItemMaxLength;
break;
}
if ( isset( $args['filterout'] ) ) {
$this->filterOut = self::explodeOnSpaces( $args['filterout'] );
}
@ -298,6 +308,7 @@ class RSSParser {
// and that means bad RSS with stuff like
// <description><script>alert("hi")</script></description> will find its
// rogue <script> tags neutered.
// use the overloaded multi byte wrapper functions in GlobalFunctions.php
foreach ( array_keys( $item ) as $info ) {
switch ( $info ) {
@ -311,8 +322,12 @@ class RSSParser {
$txt = date( $this->date, strtotime( $this->escapeTemplateParameter( $item[ $info ] ) ) );
date_default_timezone_set( $tempTimezone );
break;
default:
$txt = $this->highlightTerms( $this->escapeTemplateParameter( $item[ $info ] ) );
default:
$str = $this->escapeTemplateParameter( $item[ $info ] );
if ( mb_strlen( $str ) > $this->ItemMaxLength ) {
$str = mb_substr( $str, 0, $this->ItemMaxLength ) . " ...";
}
$txt = $this->highlightTerms( $str );
}
$renderedItem = str_replace( '{{{' . $info . '}}}', $txt, $renderedItem );