/// <summary>
/// Create an InputStream from the specified Document
/// </summary>
/// <param name="document">the Document to be read</param>
public POIFSDocumentReader(POIFSDocument document)
{
this._current_offset = 0;
this._document_size = document.Size;
this._closed = false;
this._tiny_buffer = null;
this._document = document;
}
/// <summary>
/// Create an InputStream from the specified Document
/// </summary>
/// <param name="document">the Document to be read</param>
public POIFSDocumentReader(POIFSDocument document)
{
this._current_offset = 0;
this._document_size = document.Size;
this._closed = false;
this._tiny_buffer = null;
this._document = document;
}
/// <summary>
/// Initializes a new instance of the <see cref="DocumentProperty"/> class.
/// </summary>
/// <param name="name">POIFSDocument name</param>
/// <param name="size">POIFSDocument size</param>
public DocumentProperty(String name, int size)
{
_document = null;
this.Name=name;
this.Size=size;
this.NodeColor=_NODE_BLACK; // simplification
this.PropertyType=PropertyConstants.DOCUMENT_TYPE;
}
/**
* Create an InputStream from the specified Document
*
* @param document the Document to be read
*/
public ODocumentInputStream(POIFSDocument document)
{
_current_offset = 0;
_marked_offset = 0;
_document_size = document.Size;
_closed = false;
_document = document;
_currentBlock = GetDataInputBlock(0);
}
/// <summary>
/// Create an InputStream from the specified DocumentEntry
/// </summary>
/// <param name="document">the DocumentEntry to be read</param>
public POIFSDocumentReader(DocumentEntry document)
{
this._current_offset = 0;
this._document_size = document.Size;
this._closed = false;
this._tiny_buffer = null;
if (!(document is DocumentNode))
{
throw new IOException("Cannot open internal document storage");
}
this._document = ((DocumentNode)document).Document;
}
/// <summary>
/// Create an InputStream from the specified DocumentEntry
/// </summary>
/// <param name="document">the DocumentEntry to be read</param>
public POIFSDocumentReader(DocumentEntry document)
{
this._current_offset = 0;
this._document_size = document.Size;
this._closed = false;
this._tiny_buffer = null;
if (!(document is DocumentNode))
{
throw new IOException("Cannot open internal document storage");
}
this._document = ((DocumentNode)document).Document;
}
/// <summary>
/// Create a new DocumentEntry; the data will be provided later
/// </summary>
/// <param name="name">the name of the new DocumentEntry</param>
/// <param name="size">the size of the new DocumentEntry</param>
/// <returns>the new DocumentEntry</returns>
public DocumentEntry CreateDocument(POIFSDocument document)
{
DocumentProperty property = document.DocumentProperty;
DocumentNode rval = new DocumentNode(property, this);
((DirectoryProperty)Property).AddChild(property);
_oFilesSystem.AddDocument(document);
_entries.Add(rval);
_byname.Add(property.Name, rval);
return(rval);
}
private void ProcessProperties(BlockList small_blocks,
BlockList big_blocks,
IEnumerator properties,
DirectoryNode dir,
int headerPropertiesStartAt)
{
while (properties.MoveNext())
{
Property property = ( Property )properties.Current;
String name = property.Name;
DirectoryNode parent = (dir == null)
? (( DirectoryNode )this.Root)
: dir;
if (property.IsDirectory)
{
DirectoryNode new_dir =
( DirectoryNode )parent.CreateDirectory(name);
new_dir.StorageClsid = property.StorageClsid;
ProcessProperties(
small_blocks, big_blocks,
((DirectoryProperty)property).Children, new_dir, headerPropertiesStartAt);
}
else
{
int startBlock = property.StartBlock;
int size = property.Size;
POIFSDocument document = null;
if (property.ShouldUseSmallBlocks)
{
document =
new POIFSDocument(name, small_blocks
.FetchBlocks(startBlock, headerPropertiesStartAt), size);
}
else
{
document =
new POIFSDocument(name,
big_blocks.FetchBlocks(startBlock, headerPropertiesStartAt),
size);
}
parent.CreateDocument(document);
}
}
}
/**
* Create an InputStream from the specified DocumentEntry
*
* @param document the DocumentEntry to be read
*
* @exception IOException if the DocumentEntry cannot be opened (like, maybe it has
* been deleted?)
*/
public ODocumentInputStream(DocumentEntry document)
{
if (!(document is DocumentNode))
{
throw new IOException("Cannot open internal document storage");
}
DocumentNode documentNode = (DocumentNode)document;
if (documentNode.Document == null)
{
throw new IOException("Cannot open internal document storage");
}
_current_offset = 0;
_marked_offset = 0;
_document_size = document.Size;
_closed = false;
_document = documentNode.Document;
_currentBlock = GetDataInputBlock(0);
}
/**
* Create an InputStream from the specified DocumentEntry
*
* @param document the DocumentEntry to be read
*
* @exception IOException if the DocumentEntry cannot be opened (like, maybe it has
* been deleted?)
*/
public ODocumentInputStream(DocumentEntry document)
{
if (!(document is DocumentNode))
{
throw new IOException("Cannot open internal document storage");
}
DocumentNode documentNode = (DocumentNode)document;
if (documentNode.Document == null)
{
throw new IOException("Cannot open internal document storage");
}
_current_offset = 0;
_marked_offset = 0;
_document_size = document.Size;
_closed = false;
_document = documentNode.Document;
_currentBlock = GetDataInputBlock(0);
}
public POIFSReaderEventArgs(string name, POIFSDocumentPath path, POIFSDocument document)
{
this.name = name;
this.path = path;
this.document = document;
}
/**
* create a DocumentNode. This method Is not public by design; it
* Is intended strictly for the internal use of this package
*
* @param property the DocumentProperty for this DocumentEntry
* @param parent the parent of this entry
*/
public DocumentNode(DocumentProperty property, DirectoryNode parent) : base(property, parent)
{
_document = property.Document;
}
private void ProcessProperties(BlockList small_blocks,
BlockList big_blocks,
IEnumerator properties,
DirectoryNode dir,
int headerPropertiesStartAt)
{
while (properties.MoveNext())
{
Property property = ( Property ) properties.Current;
String name = property.Name;
DirectoryNode parent = (dir == null)
? (( DirectoryNode ) this.Root)
: dir;
if (property.IsDirectory)
{
DirectoryNode new_dir =
( DirectoryNode ) parent.CreateDirectory(name);
new_dir.StorageClsid=property.StorageClsid ;
ProcessProperties(
small_blocks, big_blocks,
((DirectoryProperty)property).Children, new_dir, headerPropertiesStartAt);
}
else
{
int startBlock = property.StartBlock;
int size = property.Size;
POIFSDocument document = null;
if (property.ShouldUseSmallBlocks)
{
document =
new POIFSDocument(name, small_blocks
.FetchBlocks(startBlock, headerPropertiesStartAt), size);
}
else
{
document =
new POIFSDocument(name,
big_blocks.FetchBlocks(startBlock,headerPropertiesStartAt),
size);
}
parent.CreateDocument(document);
}
}
}
/**
* Create an InputStream from the specified Document
*
* @param document the Document to be read
*/
public DocumentInputStream(POIFSDocument document)
{
delegate1 = new ODocumentInputStream(document);
}
/**
* Create an InputStream from the specified Document
*
* @param document the Document to be read
*/
public DocumentInputStream(POIFSDocument document)
{
delegate1 = new ODocumentInputStream(document);
}
/**
* create a DocumentNode. This method Is not public by design; it
* Is intended strictly for the internal use of this package
*
* @param property the DocumentProperty for this DocumentEntry
* @param parent the parent of this entry
*/
public DocumentNode(DocumentProperty property, DirectoryNode parent):base(property, parent)
{
_document = property.Document;
}
/**
* Create an InputStream from the specified Document
*
* @param document the Document to be read
*/
public ODocumentInputStream(POIFSDocument document)
{
_current_offset = 0;
_marked_offset = 0;
_document_size = document.Size;
_closed = false;
_document = document;
_currentBlock = GetDataInputBlock(0);
}
/// <summary>
/// Initializes a new instance of the <see cref="DocumentProperty"/> class.
/// </summary>
/// <param name="index">index number</param>
/// <param name="array">byte data</param>
/// <param name="offset">offset into byte data</param>
public DocumentProperty(int index, byte [] array, int offset):base(index, array, offset)
{
_document = null;
}
/// <summary>
/// Processes the properties.
/// </summary>
/// <param name="small_blocks">The small_blocks.</param>
/// <param name="big_blocks">The big_blocks.</param>
/// <param name="properties">The properties.</param>
/// <param name="path">The path.</param>
/// <returns></returns>
private List<DocumentDescriptor> ProcessProperties(BlockList small_blocks,
BlockList big_blocks,
IEnumerator properties,
POIFSDocumentPath path)
{
List<DocumentDescriptor> documents =
new List<DocumentDescriptor>();
while (properties.MoveNext())
{
Property property = (Property)properties.Current;
String name = property.Name;
if (property.IsDirectory)
{
POIFSDocumentPath new_path = new POIFSDocumentPath(path,
new String[]
{
name
});
ProcessProperties(
small_blocks, big_blocks,
((DirectoryProperty)property).Children, new_path);
}
else
{
int startBlock = property.StartBlock;
IEnumerator listeners = registry.GetListeners(path, name);
POIFSDocument document = null;
if (listeners.MoveNext())
{
int size = property.Size;
if (property.ShouldUseSmallBlocks)
{
document =
new POIFSDocument(name, small_blocks
.FetchBlocks(startBlock, -1), size);
}
else
{
document =
new POIFSDocument(name, big_blocks
.FetchBlocks(startBlock, -1), size);
}
POIFSReaderListener listener =
(POIFSReaderListener)listeners.Current;
listener.ProcessPOIFSReaderEvent(
new POIFSReaderEvent(
new DocumentInputStream(document), path,
name));
while (listeners.MoveNext())
{
listener =
(POIFSReaderListener)listeners.Current;
listener.ProcessPOIFSReaderEvent(
new POIFSReaderEvent(
new DocumentInputStream(document), path,
name));
}
}
else
{
// consume the document's data and discard it
if (property.ShouldUseSmallBlocks)
{
small_blocks.FetchBlocks(startBlock, -1);
}
else
{
big_blocks.FetchBlocks(startBlock, -1);
}
documents.Add(
new DocumentDescriptor(path, name));
//fire event
//OnStreamReaded(new POIFSReaderEventArgs(name, path, document));
}
}
}
return documents;
}
/// <summary>
/// open a document in the root entry's list of entries
/// </summary>
/// <param name="documentName">the name of the document to be opened</param>
/// <returns>a newly opened POIFSDocumentReader</returns>
//public DocumentReader CreatePOIFSDocumentReader(
// String documentName)
//{
// return this.Root.CreatePOIFSDocumentReader(documentName);
//}
/// <summary>
/// Add a new POIFSDocument
/// </summary>
/// <param name="document">the POIFSDocument being Added</param>
public void AddDocument(POIFSDocument document)
{
_documents.Add(document);
_property_table.AddProperty(document.DocumentProperty);
}
/// <summary>
/// open a document in the root entry's list of entries
/// </summary>
/// <param name="documentName">the name of the document to be opened</param>
/// <returns>a newly opened POIFSDocumentReader</returns>
//public DocumentReader CreatePOIFSDocumentReader(
// String documentName)
//{
// return this.Root.CreatePOIFSDocumentReader(documentName);
//}
/// <summary>
/// Add a new POIFSDocument
/// </summary>
/// <param name="document">the POIFSDocument being Added</param>
public void AddDocument(POIFSDocument document)
{
_documents.Add(document);
_property_table.AddProperty(document.DocumentProperty);
}
