daily pastebin goal
64%
SHARE
TWEET

Untitled

a guest Oct 22nd, 2013 312 Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  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_Pdf
  17.  * @subpackage FileParser
  18.  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  19.  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  20.  * @version    $Id: File.php 20096 2010-01-06 02:05:09Z bkarwin $
  21.  */
  22.  
  23. /** Zend_Pdf_FileParserDataSource */
  24. #require_once 'Zend/Pdf/FileParserDataSource.php';
  25.  
  26.  
  27. /**
  28.  * Concrete subclass of {@link Zend_Pdf_FileParserDataSource} that provides an
  29.  * interface to filesystem objects.
  30.  *
  31.  * Note that this class cannot be used for other sources that may be supported
  32.  * by {@link fopen()} (through URL wrappers). It may be used for local
  33.  * filesystem objects only.
  34.  *
  35.  * @package    Zend_Pdf
  36.  * @subpackage FileParser
  37.  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  38.  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  39.  */
  40. class Zend_Pdf_FileParserDataSource_File extends Zend_Pdf_FileParserDataSource
  41. {
  42.   /**** Instance Variables ****/
  43.  
  44.  
  45.     /**
  46.      * Fully-qualified path to the file.
  47.      * @var string
  48.      */
  49.     protected $_filePath = '';
  50.  
  51.     /**
  52.      * File resource handle .
  53.      * @var resource
  54.      */
  55.     protected $_fileResource = null;
  56.  
  57.  
  58.  
  59.   /**** Public Interface ****/
  60.  
  61.  
  62.   /* Concrete Class Implementation */
  63.  
  64.     /**
  65.      * Object constructor.
  66.      *
  67.      * Validates the path to the file, ensures that it is readable, then opens
  68.      * it for reading.
  69.      *
  70.      * Throws an exception if the file is missing or cannot be opened.
  71.      *
  72.      * @param string $filePath Fully-qualified path to the file.
  73.      * @throws Zend_Pdf_Exception
  74.      */
  75.     public function __construct($filePath)
  76.     {
  77.         if (! (is_file($filePath) || is_link($filePath))) {
  78.             #require_once 'Zend/Pdf/Exception.php';
  79.            throw new Zend_Pdf_Exception("Invalid file path: $filePath",
  80.                                          Zend_Pdf_Exception::BAD_FILE_PATH);
  81.         }
  82.         if (! is_readable($filePath)) {
  83.             #require_once 'Zend/Pdf/Exception.php';
  84.            throw new Zend_Pdf_Exception("File is not readable: $filePath",
  85.                                          Zend_Pdf_Exception::NOT_READABLE);
  86.         }
  87.         if (($this->_size = @filesize($filePath)) === false) {
  88.             #require_once 'Zend/Pdf/Exception.php';
  89.            throw new Zend_Pdf_Exception("Error while obtaining file size: $filePath",
  90.                                          Zend_Pdf_Exception::CANT_GET_FILE_SIZE);
  91.         }
  92.         if (($this->_fileResource = @fopen($filePath, 'rb')) === false) {
  93.             #require_once 'Zend/Pdf/Exception.php';
  94.            throw new Zend_Pdf_Exception("Cannot open file for reading: $filePath",
  95.                                          Zend_Pdf_Exception::CANT_OPEN_FILE);
  96.         }
  97.         $this->_filePath = $filePath;
  98.     }
  99.  
  100.     /**
  101.      * Object destructor.
  102.      *
  103.      * Closes the file if it had been successfully opened.
  104.      */
  105.     public function __destruct()
  106.     {
  107.         if (is_resource($this->_fileResource)) {
  108.             @fclose($this->_fileResource);
  109.         }
  110.     }
  111.  
  112.     /**
  113.      * Returns the specified number of raw bytes from the file at the byte
  114.      * offset of the current read position.
  115.      *
  116.      * Advances the read position by the number of bytes read.
  117.      *
  118.      * Throws an exception if an error was encountered while reading the file or
  119.      * if there is insufficient data to completely fulfill the request.
  120.      *
  121.      * @param integer $byteCount Number of bytes to read.
  122.      * @return string
  123.      * @throws Zend_Pdf_Exception
  124.      */
  125.     public function readBytes($byteCount)
  126.     {
  127.         $bytes = @fread($this->_fileResource, $byteCount);
  128.         if ($bytes === false) {
  129.             #require_once 'Zend/Pdf/Exception.php';
  130.            throw new Zend_Pdf_Exception('Unexpected error while reading file',
  131.                                          Zend_Pdf_Exception::ERROR_DURING_READ);
  132.         }
  133.         if (strlen($bytes) != $byteCount) {
  134.             #require_once 'Zend/Pdf/Exception.php';
  135.            throw new Zend_Pdf_Exception("Insufficient data to read $byteCount bytes",
  136.                                          Zend_Pdf_Exception::INSUFFICIENT_DATA);
  137.         }
  138.         $this->_offset += $byteCount;
  139.         return $bytes;
  140.     }
  141.  
  142.     /**
  143.      * Returns the entire contents of the file as a string.
  144.      *
  145.      * Preserves the current file seek position.
  146.      *
  147.      * @return string
  148.      */
  149.     public function readAllBytes()
  150.     {
  151.         return file_get_contents($this->_filePath);
  152.     }
  153.  
  154.  
  155.   /* Object Magic Methods */
  156.  
  157.     /**
  158.      * Returns the full filesystem path of the file.
  159.      *
  160.      * @return string
  161.      */
  162.     public function __toString()
  163.     {
  164.         return $this->_filePath;
  165.     }
  166.  
  167.  
  168.   /* Primitive Methods */
  169.  
  170.     /**
  171.      * Seeks the file read position to the specified byte offset.
  172.      *
  173.      * Throws an exception if the file pointer cannot be moved or if it is
  174.      * moved beyond EOF (end of file).
  175.      *
  176.      * @param integer $offset Destination byte offset.
  177.      * @throws Zend_Pdf_Exception
  178.      */
  179.     public function moveToOffset($offset)
  180.     {
  181.         if ($this->_offset == $offset) {
  182.             return;    // Not moving; do nothing.
  183.         }
  184.         parent::moveToOffset($offset);
  185.         $result = @fseek($this->_fileResource, $offset, SEEK_SET);
  186.         if ($result !== 0) {
  187.             #require_once 'Zend/Pdf/Exception.php';
  188.            throw new Zend_Pdf_Exception('Error while setting new file position',
  189.                                          Zend_Pdf_Exception::CANT_SET_FILE_POSITION);
  190.         }
  191.         if (feof($this->_fileResource)) {
  192.             #require_once 'Zend/Pdf/Exception.php';
  193.            throw new Zend_Pdf_Exception('Moved beyond the end of the file',
  194.                                          Zend_Pdf_Exception::MOVE_BEYOND_END_OF_FILE);
  195.         }
  196.     }
  197.  
  198. }
RAW Paste Data
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. OK, I Understand
 
Top