File indexing completed on 2024-06-16 05:30:17

 <?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_Pdf
  * @subpackage FileParser
  * @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    $Id$
  */
 
 /** Zend_Pdf_FileParserDataSource */
 // require_once 'Zend/Pdf/FileParserDataSource.php';
 
 /**
  * Concrete subclass of {@link Zend_Pdf_FileParserDataSource} that provides an
  * interface to binary strings.
  *
  * @package    Zend_Pdf
  * @subpackage FileParser
  * @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_Pdf_FileParserDataSource_String extends Zend_Pdf_FileParserDataSource
 {
   /**** Instance Variables ****/
 
 
     /**
      * The string to parse.
      * @var string
      */
     protected $_string = '';
 
 
 
   /**** Public Interface ****/
 
 
   /* Concrete Class Implementation */
 
     /**
      * Object constructor.
      *
      * Verifies that the string is not empty.
      *
      * @param string $string String to parse.
      */
     public function __construct($string)
     {
         if (empty($string)) {
             // require_once 'Zend/Pdf/Exception.php';
             throw new Zend_Pdf_Exception('String is empty',
                                          Zend_Pdf_Exception::PARAMETER_VALUE_OUT_OF_RANGE);
         }
         $this->_size = strlen($string);
         $this->_string = $string;
     }
 
     /**
      * Object destructor.
      */
     public function __destruct()
     {
         $this->_string = '';
     }
 
     /**
      * Returns the specified number of raw bytes from the string at the byte
      * offset of the current read position.
      *
      * Advances the read position by the number of bytes read.
      *
      * Throws an exception if there is insufficient data to completely fulfill
      * the request.
      *
      * @param integer $byteCount Number of bytes to read.
      * @return string
      * @throws Zend_Pdf_Exception
      */
     public function readBytes($byteCount)
     {
         if (($this->_offset + $byteCount) > $this->_size) {
             // require_once 'Zend/Pdf/Exception.php';
             throw new Zend_Pdf_Exception("Insufficient data to read $byteCount bytes",
                                          Zend_Pdf_Exception::INSUFFICIENT_DATA);
         }
         $bytes = substr($this->_string, $this->_offset, $byteCount);
         $this->_offset += $byteCount;
         return $bytes;
     }
 
     /**
      * Returns the entire string.
      *
      * Preserves the current read position.
      *
      * @return string
      */
     public function readAllBytes()
     {
         return $this->_string;
     }
 
 
   /* Object Magic Methods */
 
     /**
      * Returns a string containing the parsed string's length.
      *
      * @return string
      */
     public function __toString()
     {
         return "String ($this->_size bytes)";
     }
 }