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Update DirectionDetector plugin to 0.2.0 from everplays

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This commit is contained in:
Brion Vibber
2010-09-20 11:49:39 -07:00
parent b4887a0756
commit 2475e25e78
2 changed files with 113 additions and 33 deletions
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85
plugins/DirectionDetector/DirectionDetectorPlugin.php
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@@ -1,4 +1,5 @@
<?php
/**
* DirectionDetector plugin, detects notices with RTL content & sets RTL
* style for them.
@@ -18,23 +19,21 @@
*
* @category Plugin
* @package StatusNet
* @author Behrooz shabani (everplays) - <behrooz@rock.com>
* @author Behrooz shabani (everplays) - <behrooz@rock.com>
* @copyright 2009-2010 Behrooz shabani
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
*
*/
if (!defined('STATUSNET')) {
exit(1);
exit(1);
}
define('DIRECTIONDETECTORPLUGIN_VERSION', '0.1.2');
define('DIRECTIONDETECTORPLUGIN_VERSION', '0.2.0');
class DirectionDetectorPlugin extends Plugin {
/**
* SN plugin API, here we will make changes on rendered column
*
* @param object $notice notice is going to be saved
*/
public function onStartNoticeSave(&$notice){
if(!preg_match('/<span class="rtl">/', $notice->rendered) && self::isRTL($notice->content))
@@ -44,32 +43,48 @@ class DirectionDetectorPlugin extends Plugin {
/**
* SN plugin API, here we will add css needed for modifiyed rendered
*
* @param
*/
public function onEndShowStatusNetStyles($xml){
$xml->element('style', array('type' => 'text/css'), 'span.rtl {display:block;direction:rtl;text-align:right;float:right;width:490px;} .notice .author {float:left}');
public function onEndShowStatusNetStyles(&$xml){
$xml->element('style', array('type' => 'text/css'), 'span.rtl {display:block;direction:rtl;text-align:right;float:right;} .notice .author {float:left}');
}
/**
* checks that passed string is a RTL language or not
*
* @param string $str String to be checked
* is passed string a rtl content or not
*/
public static function isRTL($str){
self::getClearText($str);
public static function isRTL($content){
self::getClearText($content);
$words = explode(' ', $content);
$rtl = 0;
foreach($words as &$str)
if(self::startsWithRTLCharacter($str))
$rtl++;
else
$rtl--;
if($rtl>0)// if number of rtl words is more than ltr words so it's a rtl content
return true;
elseif($rtl==0)
// check first word again
return self::startsWithRTLCharacter($words[0]);
return false;
}
/**
* checks that passed string starts with a RTL language or not
*/
public static function startsWithRTLCharacter(&$str){
if( is_array($cc = self::utf8ToUnicode(mb_substr($str, 0, 1, 'utf-8'))) )
$cc = $cc[0];
else
return false;
if($cc>=1536 && $cc<=1791) // Arabic, Persian, Urdu, Kurdish, ...
if($cc>=1536 && $cc<=1791) // arabic, persian, urdu, kurdish, ...
return true;
if($cc>=65136 && $cc<=65279) // Arabic peresent 2
if($cc>=65136 && $cc<=65279) // arabic peresent 2
return true;
if($cc>=64336 && $cc<=65023) // Arabic peresent 1
if($cc>=64336 && $cc<=65023) // arabic peresent 1
return true;
if($cc>=1424 && $cc<=1535) // Hebrew
if($cc>=1424 && $cc<=1535) // hebrew
return true;
if($cc>=64256 && $cc<=64335) // Hebrew peresent
if($cc>=64256 && $cc<=64335) // hebrew peresent
return true;
if($cc>=1792 && $cc<=1871) // Syriac
return true;
@@ -83,25 +98,30 @@ class DirectionDetectorPlugin extends Plugin {
}
/**
* clears text from replies, tags, groups, repeats & whitespaces
*
* @param string &$str string to be cleared
* clears text from replys, tags, groups, reteets & whitespaces
*/
private static function getClearText(&$str){
$str = preg_replace('/@[^ ]+|![^ ]+|#[^ ]+/u', '', $str); // reply, tag, group
$str = preg_replace('/^RT[: ]{1}| RT | RT: |^RD[: ]{1}| RD | RD: |[♺♻:]/u', '', $str); // redent, retweet
$str = preg_replace("/[ \r\t\n]+/", ' ', trim($str)); // remove spaces
}
/**
* adds javascript to do same thing on input textarea
*/
function onEndShowScripts($action){
if (common_logged_in()) {
$action->script('plugins/DirectionDetector/jquery.DirectionDetector.js');
}
}
/**
* Takes a UTF-8 string and returns an array of ints representing the
* Unicode characters. Astral planes are supported i.e. the ints in the
* output can be > 0xFFFF. Occurrances of the BOM are ignored. Surrogates
* are not allowed. ### modified ### returns first character code
*
* Returns false if the input string isn't a valid UTF-8 octet sequence.
* Takes an UTF-8 string and returns an array of ints representing the
* Unicode characters. Astral planes are supported ie. the ints in the
* output can be > 0xFFFF. O$ccurrances of the BOM are ignored. Surrogates
* are not allowed.
*/
private static function utf8ToUnicode($str){
private static function utf8ToUnicode(&$str){
$mState = 0; // cached expected number of octets after the current octet
// until the beginning of the next UTF8 character sequence
$mUcs4 = 0; // cached Unicode character
@@ -199,7 +219,7 @@ class DirectionDetectorPlugin extends Plugin {
}
} else {
/* ((0xC0 & (*in) != 0x80) && (mState != 0))
*
*
* Incomplete multi-octet sequence.
*/
return false;
@@ -216,9 +236,8 @@ class DirectionDetectorPlugin extends Plugin {
$versions[] = array(
'name' => 'Direction detector',
'version' => DIRECTIONDETECTORPLUGIN_VERSION,
'author' => 'Behrooz Shabani',
// TRANS: Direction detector plugin description.
'rawdescription' => _m('Shows notices with right-to-left content in correct direction.')
'author' => 'behrooz shabani',
'rawdescription' => _m('shows notices with right-to-left content in correct direction.')
);
return true;
}