oxutilsstring.php

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<?php

class oxUtilsString
{
    private static $_instance = null;

    protected $_aUmls = array( "\344", "\366", "\374", "\304", "\326", "\334", "\337" );

    protected $_aUmlEntities = array('&auml;', '&ouml;', '&uuml;', '&Auml;', '&Ouml;', '&Uuml;', '&szlig;' );

    public static function getInstance()
    {
        // disable caching for test modules
        if ( defined( 'OXID_PHP_UNIT' ) ) {
            static $inst = array();
            self::$_instance = $inst[oxClassCacheKey()];
        }

        if ( !self::$_instance instanceof oxUtilsString ) {


            self::$_instance = oxNew( 'oxUtilsString' );

            if ( defined( 'OXID_PHP_UNIT' ) ) {
                $inst[oxClassCacheKey()] = self::$_instance;
            }
        }
        return self::$_instance;
    }


    public function prepareCSVField($sInField)
    {
        if (strstr($sInField, '"')) {
            return '"'.str_replace('"', '""', $sInField).'"';
        } elseif (strstr($sInField, ';')) {
            return '"'.$sInField.'"';
        }
        return $sInField;
    }

    public function minimizeTruncateString( $sString, $iLength )
    {
        $sString = str_replace( ",", " ", $sString );
        //leading and ending whitesapces
        $sString = ereg_replace( "^[ \t\n\r\v]+|[ \t\n\r\v]+$", "", $sString );
        //multiple whitespaces
        $sString = ereg_replace( "[ \t\n\r\v]+", " ", $sString );
        if ( strlen( $sString ) > $iLength && $iLength != -1 ) {
            $sString = substr( $sString, 0, $iLength );
        }
        return $sString;
    }

    public function prepareStrForSearch($sSearchStr)
    {
        if ( preg_match( "/(".implode( "|", $this->_aUmls  )."|(&amp;))/", $sSearchStr ) ) {
            return $this->recodeEntities( $sSearchStr, true,
                                          $this->_aUmls + array( count( $this->_aUmls ) => '&amp;' ),
                                          $this->_aUmlEntities + array( count( $this->_aUmlEntities ) => '&' ) );
        }

        return '';
    }

    public function recodeEntities( $sInput, $blToHtmlEntities = false, $aUmls = array(), $aUmlEntities = array() )
    {
        $aUmls = $aUmls ? $aUmls : $this->_aUmls;
        $aUmlEntities = $aUmlEntities ? $aUmlEntities : $this->_aUmlEntities;
        return $blToHtmlEntities ? str_replace( $aUmls, $aUmlEntities, $sInput ) : str_replace( $aUmlEntities, $aUmls, $sInput );
    }
}

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