/// <summary>
/// This constructor loads a Word document from a specific point in a POIFSFileSystem, probably not the default.Used typically to open embeded documents.
/// </summary>
/// <param name="directory">The POIFSFileSystem that Contains the Word document.</param>
/// <param name="pfilesystem">If there is an unexpected IOException from the passed in POIFSFileSystem.</param>
public HWPFDocumentCore(DirectoryNode directory)
: base(directory)
{
// Sort out the hpsf properties
// read in the main stream.
DocumentEntry documentProps = (DocumentEntry)
directory.GetEntry(STREAM_WORD_DOCUMENT);
_mainStream = new byte[documentProps.Size];
directory.CreatePOIFSDocumentReader(STREAM_WORD_DOCUMENT).Read(_mainStream);
// Create our FIB, and check for the doc being encrypted
_fib = new FileInformationBlock(_mainStream);
if (_fib.IsFEncrypted())
{
throw new EncryptedDocumentException("Cannot process encrypted word files!");
}
DirectoryEntry objectPoolEntry;
try
{
objectPoolEntry = (DirectoryEntry)directory.GetEntry(STREAM_OBJECT_POOL);
}
catch (FileNotFoundException exc)
{
objectPoolEntry = null;
}
_objectPool = new ObjectPoolImpl(objectPoolEntry);
}