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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category  Zend
  * @package   Zend_Text_Table
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  * @version   $Id$
  */
 
 /**
  * @see Zend_Text_Table_Decorator_Interface
  */
 // require_once 'Zend/Text/Table/Decorator/Interface.php';
 
 /**
  * Unicode Decorator for Zend_Text_Table
  *
  * @category  Zend
  * @package   Zend_Text_Table
  * @uses      Zend_Text_Table_Decorator_Interface
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Text_Table_Decorator_Unicode implements Zend_Text_Table_Decorator_Interface
 {
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getTopLeft()
     {
         return $this->_uniChar(0x250C);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getTopRight()
     {
         return $this->_uniChar(0x2510);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getBottomLeft()
     {
         return $this->_uniChar(0x2514);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getBottomRight()
     {
         return $this->_uniChar(0x2518);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getVertical()
     {
         return $this->_uniChar(0x2502);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getHorizontal()
     {
         return $this->_uniChar(0x2500);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getCross()
     {
         return $this->_uniChar(0x253C);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getVerticalRight()
     {
         return $this->_uniChar(0x251C);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getVerticalLeft()
     {
         return $this->_uniChar(0x2524);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getHorizontalDown()
     {
         return $this->_uniChar(0x252C);
     }
 
     /**
      * Defined by Zend_Text_Table_Decorator_Interface
      *
      * @return string
      */
     public function getHorizontalUp()
     {
         return $this->_uniChar(0x2534);
     }
 
     /**
      * Convert am unicode character code to a character
      *
      * @param  integer $code
      * @return string|false
      */
     protected function _uniChar($code)
     {
         if ($code <= 0x7F) {
             $char = chr($code);
         } else if ($code <= 0x7FF) {
             $char = chr(0xC0 | $code >> 6)
                   . chr(0x80 | $code & 0x3F);
         } else if ($code <= 0xFFFF) {
             $char =  chr(0xE0 | $code >> 12)
                   . chr(0x80 | $code >> 6 & 0x3F)
                   . chr(0x80 | $code & 0x3F);
         } else if ($code <= 0x10FFFF) {
             $char =  chr(0xF0 | $code >> 18)
                   . chr(0x80 | $code >> 12 & 0x3F)
                   . chr(0x80 | $code >> 6 & 0x3F)
                   . chr(0x80 | $code & 0x3F);
         } else {
             return false;
         }
 
         return $char;
     }
 }