diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Pdf/FileParserDataSource/String.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Pdf/FileParserDataSource/String.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,128 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: String.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/** 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) 2005-2010 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)";
+    }
+}