public void Add(TextPiece piece)
{
_textPieces.Add(piece);
_textPiecesFCOrder.Add(piece);
_textPieces.Sort();
_textPiecesFCOrder.Sort(new FCComparator());
}
public void TestUnicodeParts()
{
HWPFDocument doc = HWPFTestDataSamples.OpenSampleFile("HeaderFooterUnicode.doc");
TextPieceTable tbl = doc.TextTable;
// In three bits, split every 512 bytes
Assert.AreEqual(3, tbl.TextPieces.Count);
TextPiece tpA = (TextPiece)tbl.TextPieces[0];
TextPiece tpB = (TextPiece)tbl.TextPieces[1];
TextPiece tpC = (TextPiece)tbl.TextPieces[2];
Assert.IsTrue(tpA.IsUnicode);
Assert.IsTrue(tpB.IsUnicode);
Assert.IsTrue(tpC.IsUnicode);
Assert.AreEqual(256, tpA.CharacterLength);
Assert.AreEqual(256, tpB.CharacterLength);
Assert.AreEqual(19, tpC.CharacterLength);
Assert.AreEqual(512, tpA.BytesLength);
Assert.AreEqual(512, tpB.BytesLength);
Assert.AreEqual(38, tpC.BytesLength);
Assert.AreEqual(0, tpA.Start);
Assert.AreEqual(256, tpA.End);
Assert.AreEqual(256, tpB.Start);
Assert.AreEqual(512, tpB.End);
Assert.AreEqual(512, tpC.Start);
Assert.AreEqual(531, tpC.End);
// Save and re-load
HWPFDocument docB = SaveAndReload(doc);
tbl = docB.TextTable;
Assert.AreEqual(3, tbl.TextPieces.Count);
tpA = (TextPiece)tbl.TextPieces[0];
tpB = (TextPiece)tbl.TextPieces[1];
tpC = (TextPiece)tbl.TextPieces[2];
Assert.IsTrue(tpA.IsUnicode);
Assert.IsTrue(tpB.IsUnicode);
Assert.IsTrue(tpC.IsUnicode);
Assert.AreEqual(256, tpA.CharacterLength);
Assert.AreEqual(256, tpB.CharacterLength);
Assert.AreEqual(19, tpC.CharacterLength);
Assert.AreEqual(512, tpA.BytesLength);
Assert.AreEqual(512, tpB.BytesLength);
Assert.AreEqual(38, tpC.BytesLength);
Assert.AreEqual(0, tpA.Start);
Assert.AreEqual(256, tpA.End);
Assert.AreEqual(256, tpB.Start);
Assert.AreEqual(512, tpB.End);
Assert.AreEqual(512, tpC.Start);
Assert.AreEqual(531, tpC.End);
}
public void TestAsciiParts()
{
HWPFDocument doc = HWPFTestDataSamples.OpenSampleFile("ThreeColHeadFoot.doc");
TextPieceTable tbl = doc.TextTable;
// All ascii, so stored in one big lump
Assert.AreEqual(1, tbl.TextPieces.Count);
TextPiece tp = (TextPiece)tbl.TextPieces[0];
Assert.AreEqual(0, tp.Start);
Assert.AreEqual(339, tp.End);
Assert.AreEqual(339, tp.CharacterLength);
Assert.AreEqual(339, tp.BytesLength);
Assert.IsTrue(tp.GetStringBuilder().ToString().StartsWith("This is a sample word document"));
// Save and re-load
HWPFDocument docB = SaveAndReload(doc);
tbl = docB.TextTable;
Assert.AreEqual(1, tbl.TextPieces.Count);
tp = (TextPiece)tbl.TextPieces[0];
Assert.AreEqual(0, tp.Start);
Assert.AreEqual(339, tp.End);
Assert.AreEqual(339, tp.CharacterLength);
Assert.AreEqual(339, tp.BytesLength);
Assert.IsTrue(tp.GetStringBuilder().ToString().StartsWith("This is a sample word document"));
}
public override bool Equals(Object o)
{
if (LimitsAreEqual(o))
{
TextPiece tp = (TextPiece)o;
return(GetStringBuilder().ToString().Equals(tp.GetStringBuilder().ToString()) &&
tp._usesUnicode == _usesUnicode && _pd.Equals(tp._pd));
}
return(false);
}
/**
* Adjust all the text piece after inserting some text into one of them
*
* @param listIndex
* The TextPiece that had characters inserted into
* @param length
* The number of characters inserted
*/
public int AdjustForInsert(int listIndex, int length)
{
int size = _textPieces.Count;
TextPiece tp = _textPieces[listIndex];
// Update with the new end
tp.End = (tp.End + length);
// Now change all subsequent ones
for (int x = listIndex + 1; x < size; x++)
{
tp = (TextPiece)_textPieces[x];
tp.Start = (tp.Start + length);
tp.End = (tp.End + length);
}
// All done
return(length);
}
public byte[] WriteTo(HWPFStream docStream)
{
PlexOfCps textPlex = new PlexOfCps(PieceDescriptor.SizeInBytes);
// int fcMin = docStream.Getoffset();
int size = _textPieces.Count;
for (int x = 0; x < size; x++)
{
TextPiece next = _textPieces[x];
PieceDescriptor pd = next.PieceDescriptor;
int offset = docStream.Offset;
int mod = (offset % POIFSConstants.SMALLER_BIG_BLOCK_SIZE);
if (mod != 0)
{
mod = POIFSConstants.SMALLER_BIG_BLOCK_SIZE - mod;
byte[] buf = new byte[mod];
docStream.Write(buf);
}
// set the text piece position to the current docStream offset.
pd.FilePosition = (docStream.Offset);
// write the text to the docstream and save the piece descriptor to
// the
// plex which will be written later to the tableStream.
docStream.Write(next.RawBytes);
// The TextPiece is already in characters, which
// Makes our life much easier
int nodeStart = next.Start;
int nodeEnd = next.End;
textPlex.AddProperty(new GenericPropertyNode(nodeStart, nodeEnd, pd.ToByteArray()));
}
return textPlex.ToByteArray();
}
// goss version of CPtoFC - this takes into account non-contiguous textpieces
// that we have come across in real world documents. Tests against the example
// code in HWPFDocument show no variation to Ryan's version of the code in
// normal use, but this version works with our non-contiguous test case.
// So far unable to get this test case to be written out as well due to
// other issues. - piers
private int CPtoFC(int CP)
{
TextPiece TP = null;
for (int i = _text.Count - 1; i > -1; i--)
{
TP = _text[i];
if (CP >= TP.GetCP())
{
break;
}
}
int FC = TP.PieceDescriptor.FilePosition;
int offset = CP - TP.GetCP();
if (TP.IsUnicode)
{
offset = offset * 2;
}
FC = FC + offset;
return(FC);
}
public HWPFOldDocument(DirectoryNode directory)
: base(directory)
{
// Where are things?
int sedTableOffset = LittleEndian.GetInt(_mainStream, 0x88);
int sedTableSize = LittleEndian.GetInt(_mainStream, 0x8c);
int chpTableOffset = LittleEndian.GetInt(_mainStream, 0xb8);
int chpTableSize = LittleEndian.GetInt(_mainStream, 0xbc);
int papTableOffset = LittleEndian.GetInt(_mainStream, 0xc0);
int papTableSize = LittleEndian.GetInt(_mainStream, 0xc4);
//int shfTableOffset = LittleEndian.GetInt(_mainStream, 0x60);
//int shfTableSize = LittleEndian.GetInt(_mainStream, 0x64);
int complexTableOffset = LittleEndian.GetInt(_mainStream, 0x160);
// We need to get hold of the text that Makes up the
// document, which might be regular or fast-saved
StringBuilder text = new StringBuilder();
if (_fib.IsFComplex())
{
ComplexFileTable cft = new ComplexFileTable(
_mainStream, _mainStream,
complexTableOffset, _fib.GetFcMin()
);
tpt = cft.GetTextPieceTable();
foreach (TextPiece tp in tpt.TextPieces)
{
text.Append(tp.GetStringBuilder());
}
}
else
{
// TODO Discover if these older documents can ever hold Unicode Strings?
// (We think not, because they seem to lack a Piece table)
// TODO Build the Piece Descriptor properly
// (We have to fake it, as they don't seem to have a proper Piece table)
PieceDescriptor pd = new PieceDescriptor(new byte[] { 0, 0, 0, 0, 0, 127, 0, 0 }, 0);
pd.FilePosition = _fib.GetFcMin();
// Generate a single Text Piece Table, with a single Text Piece
// which covers all the (8 bit only) text in the file
tpt = new TextPieceTable();
byte[] textData = new byte[_fib.GetFcMac() - _fib.GetFcMin()];
Array.Copy(_mainStream, _fib.GetFcMin(), textData, 0, textData.Length);
TextPiece tp = new TextPiece(
0, textData.Length, textData, pd
);
tpt.Add(tp);
text.Append(tp.GetStringBuilder());
}
_text = tpt.Text;
// Now we can fetch the character and paragraph properties
_cbt = new OldCHPBinTable(
_mainStream, chpTableOffset, chpTableSize,
_fib.GetFcMin(), tpt
);
_pbt = new OldPAPBinTable(
_mainStream, chpTableOffset, papTableSize,
_fib.GetFcMin(), tpt
);
_st = new OldSectionTable(
_mainStream, chpTableOffset, sedTableSize,
_fib.GetFcMin(), tpt
);
}
