private SprmBuffer FindHuge(SprmBuffer buf, byte[] datastream)
{
byte[] grpprl = buf.ToByteArray();
if (grpprl.Length == 8 && datastream != null) // then check for sprmPHugePapx
{
SprmOperation sprm = new SprmOperation(grpprl, 2);
if ((sprm.Operation == 0x45 || sprm.Operation == 0x46)
&& sprm.SizeCode == 3)
{
int hugeGrpprlOffset = sprm.Operand;
if (hugeGrpprlOffset + 1 < datastream.Length)
{
int grpprlSize = LittleEndian.GetShort(datastream, hugeGrpprlOffset);
if (hugeGrpprlOffset + grpprlSize < datastream.Length)
{
byte[] hugeGrpprl = new byte[grpprlSize + 2];
// copy original istd into huge Grpprl
hugeGrpprl[0] = grpprl[0];
hugeGrpprl[1] = grpprl[1];
// copy Grpprl from dataStream
Array.Copy(datastream, hugeGrpprlOffset + 2, hugeGrpprl, 2,
grpprlSize);
return new SprmBuffer(hugeGrpprl,2);
}
}
}
}
return null;
}
public ComplexFileTable(byte[] documentStream, byte[] tableStream, int offset, int fcMin)
{
//skips through the prms before we reach the piece table. These contain data
//for actual fast saved files
List<SprmBuffer> sprmBuffers = new List<SprmBuffer>();
//skips through the prms before we reach the piece table. These contain data
//for actual fast saved files
while (tableStream[offset] == GRPPRL_TYPE)
{
offset++;
int size = LittleEndian.GetShort(tableStream, offset);
offset += LittleEndianConsts.SHORT_SIZE;
byte[] bs = LittleEndian.GetByteArray(tableStream, offset, size);
offset += size;
SprmBuffer sprmBuffer = new SprmBuffer(bs, false, 0);
sprmBuffers.Add(sprmBuffer);
}
this._grpprls = sprmBuffers.ToArray();
if (tableStream[offset] != TEXT_PIECE_TABLE_TYPE)
{
throw new IOException("The text piece table is corrupted");
}
int pieceTableSize = LittleEndian.GetInt(tableStream, ++offset);
offset += LittleEndianConsts.INT_SIZE;
_tpt = new TextPieceTable(documentStream, tableStream, offset, pieceTableSize, fcMin);
}
public Object Clone()
{
SprmBuffer retVal = new SprmBuffer();
retVal._buf = new byte[_buf.Length];
Array.Copy(_buf, 0, retVal._buf, 0, _buf.Length);
return(retVal);
}
public PAPX(int fcStart, int fcEnd, CharIndexTranslator translator, SprmBuffer buf, byte[] dataStream)
: base(fcStart, fcEnd, translator, buf)
{
_phe = new ParagraphHeight();
buf = FindHuge(buf, dataStream);
if (buf != null)
_buf = buf;
}
public byte[] GetGrpprl()
{
if (sectionProperties != null)
{
byte[] grpprl = SectionSprmCompressor
.CompressSectionProperty(sectionProperties);
_buf = new SprmBuffer(grpprl, 0);
}
return ((SprmBuffer)_buf).ToByteArray();
}
public static TableProperties UncompressTAP(SprmBuffer sprmBuffer)
{
TableProperties tableProperties;
SprmOperation sprmOperation = sprmBuffer.FindSprm(unchecked ((short)0xd608));
if (sprmOperation != null)
{
byte[] grpprl = sprmOperation.Grpprl;
int offset = sprmOperation.GrpprlOffset;
short itcMac = grpprl[offset];
tableProperties = new TableProperties(itcMac);
}
else
{
//logger.log(POILogger.WARN,
// "Some table rows didn't specify number of columns in SPRMs");
tableProperties = new TableProperties((short)1);
}
for (SprmIterator iterator = sprmBuffer.Iterator(); iterator.HasNext();)
{
SprmOperation sprm = iterator.Next();
/*
* TAPXs are actually PAPXs so we have to make sure we are only
* trying to uncompress the right type of sprm.
*/
if (sprm.Type == SprmOperation.TYPE_TAP)
{
try
{
UncompressTAPOperation(tableProperties, sprm);
}
catch (IndexOutOfRangeException ex)
{
//logger.log(POILogger.ERROR, "Unable to apply ", sprm,
// ": ", ex, ex);
}
}
}
return(tableProperties);
}
public static TableProperties UncompressTAP(SprmBuffer sprmBuffer)
{
TableProperties tableProperties;
SprmOperation sprmOperation = sprmBuffer.FindSprm(unchecked((short)0xd608));
if (sprmOperation != null)
{
byte[] grpprl = sprmOperation.Grpprl;
int offset = sprmOperation.GrpprlOffset;
short itcMac = grpprl[offset];
tableProperties = new TableProperties(itcMac);
}
else
{
//logger.log(POILogger.WARN,
// "Some table rows didn't specify number of columns in SPRMs");
tableProperties = new TableProperties((short)1);
}
for (SprmIterator iterator = sprmBuffer.Iterator(); iterator.HasNext(); )
{
SprmOperation sprm = iterator.Next();
/*
* TAPXs are actually PAPXs so we have to make sure we are only
* trying to uncompress the right type of sprm.
*/
if (sprm.Type == SprmOperation.TYPE_TAP)
{
try
{
UncompressTAPOperation(tableProperties, sprm);
}
catch ( IndexOutOfRangeException ex)
{
//logger.log(POILogger.ERROR, "Unable to apply ", sprm,
// ": ", ex, ex);
}
}
}
return tableProperties;
}
public PAPX(int charStart, int charEnd, SprmBuffer buf):
base(charStart, charEnd, buf)
{
_phe = new ParagraphHeight();
}
public CachedPropertyNode(int start, int end, SprmBuffer buf)
: base(start, end, buf)
{
}
public CHPX(int fcStart, int fcEnd, CharIndexTranslator translator, SprmBuffer buf)
: base(fcStart, translator.LookIndexBackward(fcEnd), translator, buf)
{
}
internal CHPX(int charStart, int charEnd, SprmBuffer buf):
base(charStart, charEnd, buf)
{
}
public override bool Equals(Object obj)
{
SprmBuffer sprmBuf = (SprmBuffer)obj;
return(Arrays.Equals(_buf, sprmBuf._buf));
}
/**
*
* @param chpx The chpx this object is based on.
* @param ss The stylesheet for the document this run belongs to.
* @param istd The style index if this Run's base style.
* @param parent The parent range of this character run (usually a paragraph).
*/
internal CharacterRun(CHPX chpx, StyleSheet ss, short istd, Range parent)
: base(Math.Max(parent._start, chpx.Start), Math.Min(parent._end, chpx.End), parent)
{
_props = chpx.GetCharacterProperties(ss, istd);
_chpx = chpx.GetSprmBuf();
}
public Object Clone()
{
SprmBuffer retVal = new SprmBuffer();
retVal._buf = new byte[_buf.Length];
Array.Copy(_buf, 0, retVal._buf, 0, _buf.Length);
return retVal;
}
internal Paragraph(PAPX papx, Range parent)
: base(Math.Max(parent._start, papx.Start), Math.Min(parent._end, papx.End), parent)
{
_props = papx.GetParagraphProperties(_doc.GetStyleSheet());
_papx = papx.GetSprmBuf();
_istd = papx.GetIstd();
}
internal Paragraph(int startIdx, int endIdx, Table parent)
: base(startIdx, endIdx, parent)
{
InitAll();
PAPX papx = (PAPX)_paragraphs[_parEnd - 1];
_props = papx.GetParagraphProperties(_doc.GetStyleSheet());
_papx = papx.GetSprmBuf();
_istd = papx.GetIstd();
}