library/Zend/Text/Table/Decorator/Unicode.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category  Zend
  16  * @package   Zend_Text_Table
  17  * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version   $Id: Unicode.php 16209 2009-06-21 19:20:34Z thomas $
  20  */
  21
  22 /**
  23  * @see Zend_Text_Table_Decorator_Interface
  24  */
  25 require_once 'Zend/Text/Table/Decorator/Interface.php';
  26
  27 /**
  28  * Unicode Decorator for Zend_Text_Table
  29  *
  30  * @category  Zend
  31  * @package   Zend_Text_Table
  32  * @uses      Zend_Text_Table_Decorator_Interface
  33  * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  34  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  35  */
  36 class Zend_Text_Table_Decorator_Unicode implements Zend_Text_Table_Decorator_Interface
  37 {
  38     /**
  39      * Defined by Zend_Text_Table_Decorator_Interface
  40      *
  41      * @return string
  42      */
  43     public function getTopLeft()
  44     {
  45         return $this->_uniChar(0x250C);
  46     }
  47
  48     /**
  49      * Defined by Zend_Text_Table_Decorator_Interface
  50      *
  51      * @return string
  52      */
  53     public function getTopRight()
  54     {
  55         return $this->_uniChar(0x2510);
  56     }
  57
  58     /**
  59      * Defined by Zend_Text_Table_Decorator_Interface
  60      *
  61      * @return string
  62      */
  63     public function getBottomLeft()
  64     {
  65         return $this->_uniChar(0x2514);
  66     }
  67
  68     /**
  69      * Defined by Zend_Text_Table_Decorator_Interface
  70      *
  71      * @return string
  72      */
  73     public function getBottomRight()
  74     {
  75         return $this->_uniChar(0x2518);
  76     }
  77
  78     /**
  79      * Defined by Zend_Text_Table_Decorator_Interface
  80      *
  81      * @return string
  82      */
  83     public function getVertical()
  84     {
  85         return $this->_uniChar(0x2502);
  86     }
  87
  88     /**
  89      * Defined by Zend_Text_Table_Decorator_Interface
  90      *
  91      * @return string
  92      */
  93     public function getHorizontal()
  94     {
  95         return $this->_uniChar(0x2500);
  96     }
  97
  98     /**
  99      * Defined by Zend_Text_Table_Decorator_Interface
 100      *
 101      * @return string
 102      */
 103     public function getCross()
 104     {
 105         return $this->_uniChar(0x253C);
 106     }
 107
 108     /**
 109      * Defined by Zend_Text_Table_Decorator_Interface
 110      *
 111      * @return string
 112      */
 113     public function getVerticalRight()
 114     {
 115         return $this->_uniChar(0x251C);
 116     }
 117
 118     /**
 119      * Defined by Zend_Text_Table_Decorator_Interface
 120      *
 121      * @return string
 122      */
 123     public function getVerticalLeft()
 124     {
 125         return $this->_uniChar(0x2524);
 126     }
 127
 128     /**
 129      * Defined by Zend_Text_Table_Decorator_Interface
 130      *
 131      * @return string
 132      */
 133     public function getHorizontalDown()
 134     {
 135         return $this->_uniChar(0x252C);
 136     }
 137
 138     /**
 139      * Defined by Zend_Text_Table_Decorator_Interface
 140      *
 141      * @return string
 142      */
 143     public function getHorizontalUp()
 144     {
 145         return $this->_uniChar(0x2534);
 146     }
 147
 148     /**
 149      * Convert am unicode character code to a character
 150      *
 151      * @param  integer $code
 152      * @return string|false
 153      */
 154     protected function _uniChar($code)
 155     {
 156         if ($code <= 0x7F) {
 157             $char = chr($code);
 158         } else if ($code <= 0x7FF) {
 159             $char = chr(0xC0 | $code >> 6)
 160                   . chr(0x80 | $code & 0x3F);
 161         } else if ($code <= 0xFFFF) {
 162             $char =  chr(0xE0 | $code >> 12)
 163                   . chr(0x80 | $code >> 6 & 0x3F)
 164                   . chr(0x80 | $code & 0x3F);
 165         } else if ($code <= 0x10FFFF) {
 166             $char =  chr(0xF0 | $code >> 18)
 167                   . chr(0x80 | $code >> 12 & 0x3F)
 168                   . chr(0x80 | $code >> 6 & 0x3F)
 169                   . chr(0x80 | $code & 0x3F);
 170         } else {
 171             return false;
 172         }
 173
 174         return $char;
 175     }
 176 }