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<?php
namespace SMW\MediaWiki;
use Parser;
use StripState;
/**
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class StripMarkerDecoder {
/**
* @var StripState
*/
private $stripState;
/**
* @var boolean
*/
private $isSupported = false;
/**
* @since 3.0
*
* @param StripState $stripState
*/
public function __construct( StripState $stripState ) {
$this->stripState = $stripState;
}
/**
* @since 3.0
*
* @param boolean $decoderState
*/
public function isSupported( $isSupported ) {
$this->isSupported = $isSupported;
}
/**
* @since 3.0
*
* @return boolean
*/
public function canUse() {
return $this->isSupported;
}
/**
* @since 3.0
*
* @param string $text
*
* @return boolean
*/
public function hasStripMarker( $text ) {
return strpos( $text, Parser::MARKER_SUFFIX );
}
/**
* @since 3.0
*
* @param string $value
*
* @return boolean
*/
public function decode( $value ) {
$hasStripMarker = false;
if ( $this->canUse() ) {
$hasStripMarker = $this->hasStripMarker( $value );
}
if ( $hasStripMarker ) {
$value = $this->unstrip( $value );
}
return $value;
}
/**
* @since 3.0
*
* @return text
*/
public function unstrip( $text ) {
// Escape the text case to avoid any HTML elements
// cause an issue during parsing
return str_replace(
[ '<', '>', ' ', '[', '{', '=', "'", ':', "\n" ],
[ '<', '>', ' ', '[', '{', '=', ''', ':', "<br />" ],
$this->doUnstrip( $text )
);
}
public function doUnstrip( $text ) {
if ( ( $value = $this->stripState->unstripNoWiki( $text ) ) !== '' && !$this->hasStripMarker( $value ) ) {
return $this->addNoWikiToUnstripValue( $value );
}
if ( ( $value = $this->stripState->unstripGeneral( $text ) ) !== '' && !$this->hasStripMarker( $value ) ) {
return $value;
}
return $this->doUnstrip( $value );
}
private function addNoWikiToUnstripValue( $text ) {
return '<nowiki>' . $text . '</nowiki>';
}
}
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