private void checkDocument(OPOIFSDocument document,
byte[] input)
{
int big_blocks = 0;
int small_blocks = 0;
int total_output = 0;
if (input.Length >= 4096)
{
big_blocks = (input.Length + 511) / 512;
total_output = big_blocks * 512;
}
else
{
small_blocks = (input.Length + 63) / 64;
total_output = 0;
}
checkValues(
big_blocks, small_blocks, total_output,
makeCopy(
document, input,
checkValues(
big_blocks, small_blocks, total_output, document,
input)), input);
}
private OPOIFSDocument makeCopy(OPOIFSDocument document, byte[] input,
byte[] data)
{
OPOIFSDocument copy = null;
if (input.Length >= 4096)
{
RawDataBlock[] blocks =
new RawDataBlock[(input.Length + 511) / 512];
MemoryStream stream = new MemoryStream(data);
int index = 0;
while (true)
{
RawDataBlock block = new RawDataBlock(stream);
if (block.EOF)
{
break;
}
blocks[index++] = block;
}
copy = new OPOIFSDocument("test" + input.Length, blocks,
input.Length);
}
else
{
copy = new OPOIFSDocument(
"test" + input.Length,
(SmallDocumentBlock[])document.SmallBlocks,
input.Length);
}
return(copy);
}
/// <summary>
/// Initializes a new instance of the <see cref="SmallBlockTableWriter"/> class.
/// </summary>
/// <param name="bigBlockSize">the poifs bigBlockSize</param>
/// <param name="documents">a IList of POIFSDocument instances</param>
/// <param name="root">the Filesystem's root property</param>
public SmallBlockTableWriter(POIFSBigBlockSize bigBlockSize,
IList <OPOIFSDocument> documents,
RootProperty root)
{
_sbat = new BlockAllocationTableWriter(bigBlockSize);
_small_blocks = new List <SmallDocumentBlock>();
_root = root;
IEnumerator iter = documents.GetEnumerator();
while (iter.MoveNext())
{
OPOIFSDocument doc = ( OPOIFSDocument )iter.Current;
SmallDocumentBlock[] blocks = doc.SmallBlocks;
if (blocks.Length != 0)
{
doc.StartBlock = _sbat.AllocateSpace(blocks.Length);
for (int j = 0; j < blocks.Length; j++)
{
_small_blocks.Add(blocks[j]);
}
}
else
{
doc.StartBlock = POIFSConstants.END_OF_CHAIN;
}
}
_sbat.SimpleCreateBlocks();
_root.Size = _small_blocks.Count;
_big_block_count = SmallDocumentBlock.Fill(bigBlockSize, _small_blocks);
}
/// <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)
: base()
{
_document = null;
this.Name = name;
this.Size = size;
this.NodeColor = _NODE_BLACK; // simplification
this.PropertyType = PropertyConstants.DOCUMENT_TYPE;
}
public TestDocumentInputStream()
{
int blocks = (_workbook_size + 511) / 512;
_workbook_data = new byte[512 * blocks];
Arrays.Fill(_workbook_data, unchecked ((byte)-1));
for (int j = 0; j < _workbook_size; j++)
{
_workbook_data[j] = (byte)(j * j);
}
// Create the Old POIFS Version
RawDataBlock[] rawBlocks = new RawDataBlock[blocks];
MemoryStream stream =
new MemoryStream(_workbook_data);
for (int j = 0; j < blocks; j++)
{
rawBlocks[j] = new RawDataBlock(stream);
}
OPOIFSDocument document = new OPOIFSDocument("Workbook", rawBlocks,
_workbook_size);
_workbook_o = new DocumentNode(
document.DocumentProperty,
new DirectoryNode(
new DirectoryProperty("Root Entry"), (POIFSFileSystem)null, null));
// Now create the NPOIFS Version
byte[] _workbook_data_only = new byte[_workbook_size];
Array.Copy(_workbook_data, 0, _workbook_data_only, 0, _workbook_size);
NPOIFSFileSystem npoifs = new NPOIFSFileSystem();
// Make it easy when debugging to see what isn't the doc
byte[] minus1 = new byte[512];
Arrays.Fill(minus1, unchecked ((byte)-1));
npoifs.GetBlockAt(-1).Write(minus1);
npoifs.GetBlockAt(0).Write(minus1);
npoifs.GetBlockAt(1).Write(minus1);
// Create the NPOIFS document
_workbook_n = (DocumentNode)npoifs.CreateDocument(
new MemoryStream(_workbook_data_only),
"Workbook"
);
}
private byte[] checkValues(int big_blocks, int small_blocks,
int total_output, OPOIFSDocument document,
byte[] input)
{
Assert.AreEqual(document, document.DocumentProperty.Document);
int increment = (int)Math.Sqrt(input.Length);
for (int j = 1; j <= input.Length; j += increment)
{
byte[] buffer = new byte[j];
int offset = 0;
for (int k = 0; k < (input.Length / j); k++)
{
document.Read(buffer, offset);
for (int n = 0; n < buffer.Length; n++)
{
Assert.AreEqual(input[(k * j) + n], buffer[n]
, "checking byte " + (k * j) + n);
}
offset += j;
}
}
Assert.AreEqual(big_blocks, document.CountBlocks);
Assert.AreEqual(small_blocks, document.SmallBlocks.Length);
MemoryStream stream = new MemoryStream();
document.WriteBlocks(stream);
byte[] output = stream.ToArray();
Assert.AreEqual(total_output, output.Length);
int limit = Math.Min(total_output, input.Length);
for (int j = 0; j < limit; j++)
{
Assert.AreEqual(input[j],
output[j], "Checking document offset " + j);
}
for (int j = limit; j < output.Length; j++)
{
Assert.AreEqual(unchecked ((byte)-1),
output[j], "Checking document offset " + j);
}
return(output);
}
public void TestConstructor()
{
DirectoryProperty property1 = new DirectoryProperty("directory");
RawDataBlock[] rawBlocks = new RawDataBlock[4];
MemoryStream stream =
new MemoryStream(new byte[2048]);
for (int j = 0; j < 4; j++)
{
rawBlocks[j] = new RawDataBlock(stream);
}
OPOIFSDocument document = new OPOIFSDocument("document", rawBlocks,
2000);
DocumentProperty property2 = document.DocumentProperty;
DirectoryNode parent = new DirectoryNode(property1, (POIFSFileSystem)null, null);
DocumentNode node = new DocumentNode(property2, parent);
// Verify we can retrieve the document
Assert.AreEqual(property2.Document, node.Document);
// Verify we can Get the size
Assert.AreEqual(property2.Size, node.Size);
// Verify isDocumentEntry returns true
Assert.IsTrue(node.IsDocumentEntry);
// Verify isDirectoryEntry returns false
Assert.IsTrue(!node.IsDirectoryEntry);
// Verify GetName behaves correctly
Assert.AreEqual(property2.Name, node.Name);
// Verify GetParent behaves correctly
Assert.AreEqual(parent, node.Parent);
}
/// <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);
OPOIFSDocument document = null;
if (listeners.MoveNext())
{
listeners.Reset();
int size = property.Size;
if (property.ShouldUseSmallBlocks)
{
document =
new OPOIFSDocument(name, small_blocks
.FetchBlocks(startBlock, -1), size);
}
else
{
document =
new OPOIFSDocument(name, big_blocks
.FetchBlocks(startBlock, -1), size);
}
//POIFSReaderListener listener =
// (POIFSReaderListener)listeners.Current;
//listener.ProcessPOIFSReaderEvent(
// new POIFSReaderEvent(
// new DocumentInputStream(document), path,
// name));
while (listeners.MoveNext())
{
POIFSReaderListener 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>
/// 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;
}
public void TestOPOIFSDocument()
{
// Verify correct number of blocks Get Created for document
// that is exact multituple of block size
OPOIFSDocument document;
byte[] array = new byte[4096];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new OPOIFSDocument("foo", new SlowInputStream(new MemoryStream(array)));
checkDocument(document, array);
// Verify correct number of blocks Get Created for document
// that is not an exact multiple of block size
array = new byte[4097];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new OPOIFSDocument("bar", new MemoryStream(array));
checkDocument(document, array);
// Verify correct number of blocks Get Created for document
// that is small
array = new byte[4095];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new OPOIFSDocument("_bar", new MemoryStream(array));
checkDocument(document, array);
// Verify correct number of blocks Get Created for document
// that is rather small
array = new byte[199];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new OPOIFSDocument("_bar2",
new MemoryStream(array));
checkDocument(document, array);
// Verify that output is correct
array = new byte[4097];
for (int j = 0; j < array.Length; j++)
{
array[j] = (byte)j;
}
document = new OPOIFSDocument("foobar",
new MemoryStream(array));
checkDocument(document, array);
document.StartBlock = 0x12345678; // what a big file!!
DocumentProperty property = document.DocumentProperty;
MemoryStream stream = new MemoryStream();
property.WriteData(stream);
byte[] output = stream.ToArray();
byte[] array2 =
{
( byte )'f', ( byte )0, ( byte )'o', ( byte )0, ( byte )'o',
( byte )0, ( byte )'b', ( byte )0, ( byte )'a', ( byte )0,
( byte )'r', ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )14,
( byte )0, ( byte )2, ( byte )1, unchecked (( byte )-1), unchecked (( byte )-1),
unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1),
unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1), unchecked (( byte )-1),
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0, ( byte )0,
( byte )0, ( byte )0x78, ( byte )0x56, ( byte )0x34,
( byte )0x12, ( byte )1, ( byte )16, ( byte )0, ( byte )0,
( byte )0, ( byte )0, ( byte )0, ( byte )0
};
Assert.AreEqual(array2.Length, output.Length);
for (int j = 0; j < output.Length; j++)
{
Assert.AreEqual(array2[j],
output[j], "Checking property offset " + j);
}
}
public POIFSReaderEventArgs(string name, POIFSDocumentPath path, OPOIFSDocument document)
{
this.name = name;
this.path = path;
this.document = document;
}
