private void readWorkBookGlobals()
{
XlsBiffRecord record;
bool flag;
try
{
this.m_hdr = XlsHeader.ReadHeader(this.m_file);
}
catch (HeaderException exception)
{
this.fail(exception.Message);
return;
}
catch (FormatException exception2)
{
this.fail(exception2.Message);
return;
}
XlsRootDirectory rootDir = new XlsRootDirectory(this.m_hdr);
XlsDirectoryEntry entry = rootDir.FindEntry("Workbook") ?? rootDir.FindEntry("Book");
if (entry != null)
{
if (entry.EntryType != STGTY.STGTY_STREAM)
{
this.fail("Error: Workbook directory entry is not a Stream.");
return;
}
this.m_stream = new XlsBiffStream(this.m_hdr, entry.StreamFirstSector, entry.IsEntryMiniStream, rootDir);
this.m_globals = new XlsWorkbookGlobals();
this.m_stream.Seek(0, SeekOrigin.Begin);
XlsBiffBOF fbof = this.m_stream.Read() as XlsBiffBOF;
if ((fbof == null) || (fbof.Type != BIFFTYPE.WorkbookGlobals))
{
this.fail("Error reading Workbook Globals - Stream has invalid data.");
return;
}
flag = false;
this.m_version = fbof.Version;
this.m_sheets = new List <XlsWorksheet>();
}
else
{
this.fail("Error: Neither stream 'Workbook' nor 'Book' was found in file.");
return;
}
while ((record = this.m_stream.Read()) != null)
{
BIFFRECORDTYPE iD = record.ID;
if (iD <= BIFFRECORDTYPE.COUNTRY)
{
switch (iD)
{
case BIFFRECORDTYPE.FORMAT_V23:
{
XlsBiffFormatString str = (XlsBiffFormatString)record;
str.UseEncoding = this.m_encoding;
this.m_globals.Formats.Add((ushort)this.m_globals.Formats.Count, str);
break;
}
case BIFFRECORDTYPE.FONT:
goto Label_031C;
case BIFFRECORDTYPE.EOF:
goto Label_03F3;
case BIFFRECORDTYPE.CODEPAGE:
goto Label_02E4;
case BIFFRECORDTYPE.XF_V2:
goto Label_0395;
case BIFFRECORDTYPE.CONTINUE:
goto Label_03C0;
case BIFFRECORDTYPE.BOUNDSHEET:
{
XlsBiffBoundSheet refSheet = (XlsBiffBoundSheet)record;
if (refSheet.Type == XlsBiffBoundSheet.SheetType.Worksheet)
{
refSheet.IsV8 = this.isV8();
refSheet.UseEncoding = this.m_encoding;
this.m_sheets.Add(new XlsWorksheet(this.m_globals.Sheets.Count, refSheet));
this.m_globals.Sheets.Add(refSheet);
}
break;
}
case BIFFRECORDTYPE.COUNTRY:
this.m_globals.Country = record;
break;
}
}
else if (iD <= BIFFRECORDTYPE.EXTSST)
{
switch (iD)
{
case BIFFRECORDTYPE.SST:
this.m_globals.SST = (XlsBiffSST)record;
flag = true;
break;
case BIFFRECORDTYPE.EXTSST:
this.m_globals.ExtSST = record;
flag = false;
break;
case BIFFRECORDTYPE.XF:
goto Label_0395;
case BIFFRECORDTYPE.INTERFACEHDR:
this.m_globals.InterfaceHdr = (XlsBiffInterfaceHdr)record;
break;
case BIFFRECORDTYPE.MMS:
goto Label_02C0;
}
}
else if (iD <= BIFFRECORDTYPE.FONT_V34)
{
if ((iD != BIFFRECORDTYPE.PROT4REVPASSWORD) && (iD == BIFFRECORDTYPE.FONT_V34))
{
goto Label_031C;
}
}
else
{
switch (iD)
{
case BIFFRECORDTYPE.XF_V3:
case BIFFRECORDTYPE.XF_V4:
goto Label_0395;
case BIFFRECORDTYPE.FORMAT:
{
XlsBiffFormatString str2 = (XlsBiffFormatString)record;
this.m_globals.Formats.Add(str2.Index, str2);
break;
}
}
}
continue;
Label_02C0:
this.m_globals.MMS = record;
continue;
Label_02E4:
this.m_globals.CodePage = (XlsBiffSimpleValueRecord)record;
try
{
this.m_encoding = Encoding.GetEncoding(this.m_globals.CodePage.Value);
}
catch (ArgumentException)
{
}
continue;
Label_031C:
this.m_globals.Fonts.Add(record);
continue;
Label_0395:
this.m_globals.ExtendedFormats.Add(record);
continue;
Label_03C0:
if (flag)
{
XlsBiffContinue fragment = (XlsBiffContinue)record;
this.m_globals.SST.Append(fragment);
}
continue;
Label_03F3:
if (this.m_globals.SST != null)
{
this.m_globals.SST.ReadStrings();
}
return;
}
}
public static XlsBiffRecord GetRecord(byte[] bytes, uint offset)
{
BIFFRECORDTYPE biffrecordtype = (BIFFRECORDTYPE)BitConverter.ToUInt16(bytes, (int)offset);
if (biffrecordtype <= BIFFRECORDTYPE.MULBLANK)
{
switch (biffrecordtype)
{
case BIFFRECORDTYPE.BLANK_OLD:
case BIFFRECORDTYPE.BOOLERR_OLD:
goto Label_01FA;
case BIFFRECORDTYPE.INTEGER_OLD:
goto Label_021A;
case BIFFRECORDTYPE.NUMBER_OLD:
goto Label_0222;
case BIFFRECORDTYPE.LABEL_OLD:
goto Label_020A;
case BIFFRECORDTYPE.FORMULA_OLD:
goto Label_023A;
case BIFFRECORDTYPE.BOF_V2:
goto Label_01C2;
case BIFFRECORDTYPE.EOF:
return(new XlsBiffEOF(bytes, offset));
case BIFFRECORDTYPE.FORMAT_V23:
goto Label_0242;
case BIFFRECORDTYPE.CONTINUE:
return(new XlsBiffContinue(bytes, offset));
case BIFFRECORDTYPE.WINDOW1:
return(new XlsBiffWindow1(bytes, offset));
case BIFFRECORDTYPE.BACKUP:
return(new XlsBiffSimpleValueRecord(bytes, offset));
case BIFFRECORDTYPE.CODEPAGE:
return(new XlsBiffSimpleValueRecord(bytes, offset));
case BIFFRECORDTYPE.RECORD1904:
return(new XlsBiffSimpleValueRecord(bytes, offset));
case BIFFRECORDTYPE.UNCALCED:
return(new XlsBiffUncalced(bytes, offset));
case BIFFRECORDTYPE.BOUNDSHEET:
return(new XlsBiffBoundSheet(bytes, offset));
case BIFFRECORDTYPE.MULRK:
return(new XlsBiffMulRKCell(bytes, offset));
case BIFFRECORDTYPE.MULBLANK:
return(new XlsBiffMulBlankCell(bytes, offset));
case BIFFRECORDTYPE.FNGROUPCOUNT:
return(new XlsBiffSimpleValueRecord(bytes, offset));
case BIFFRECORDTYPE.HIDEOBJ:
return(new XlsBiffSimpleValueRecord(bytes, offset));
}
goto Label_02B2;
}
if (biffrecordtype <= BIFFRECORDTYPE.INDEX)
{
switch (biffrecordtype)
{
case BIFFRECORDTYPE.RSTRING:
case BIFFRECORDTYPE.LABEL:
goto Label_020A;
case BIFFRECORDTYPE.DBCELL:
return(new XlsBiffDbCell(bytes, offset));
case BIFFRECORDTYPE.BOOKBOOL:
return(new XlsBiffSimpleValueRecord(bytes, offset));
case BIFFRECORDTYPE.INTERFACEHDR:
return(new XlsBiffInterfaceHdr(bytes, offset));
case BIFFRECORDTYPE.SST:
return(new XlsBiffSST(bytes, offset));
case BIFFRECORDTYPE.LABELSST:
return(new XlsBiffLabelSSTCell(bytes, offset));
case BIFFRECORDTYPE.USESELFS:
return(new XlsBiffSimpleValueRecord(bytes, offset));
case BIFFRECORDTYPE.DIMENSIONS:
return(new XlsBiffDimensions(bytes, offset));
case BIFFRECORDTYPE.BLANK:
case BIFFRECORDTYPE.BOOLERR:
goto Label_01FA;
case BIFFRECORDTYPE.INTEGER:
goto Label_021A;
case BIFFRECORDTYPE.NUMBER:
goto Label_0222;
case BIFFRECORDTYPE.STRING:
return(new XlsBiffFormulaString(bytes, offset));
case BIFFRECORDTYPE.ROW:
return(new XlsBiffRow(bytes, offset));
case BIFFRECORDTYPE.BOF_V3:
goto Label_01C2;
case BIFFRECORDTYPE.INDEX:
return(new XlsBiffIndex(bytes, offset));
}
goto Label_02B2;
}
if (biffrecordtype <= BIFFRECORDTYPE.FORMULA)
{
switch (biffrecordtype)
{
case BIFFRECORDTYPE.RK:
return(new XlsBiffRKCell(bytes, offset));
case BIFFRECORDTYPE.FORMULA:
goto Label_023A;
}
goto Label_02B2;
}
if (biffrecordtype != BIFFRECORDTYPE.BOF_V4)
{
if (biffrecordtype == BIFFRECORDTYPE.FORMAT)
{
goto Label_0242;
}
if (biffrecordtype != BIFFRECORDTYPE.BOF)
{
goto Label_02B2;
}
}
Label_01C2:
return(new XlsBiffBOF(bytes, offset));
Label_01FA:
return(new XlsBiffBlankCell(bytes, offset));
Label_020A:
return(new XlsBiffLabelCell(bytes, offset));
Label_021A:
return(new XlsBiffIntegerCell(bytes, offset));
Label_0222:
return(new XlsBiffNumberCell(bytes, offset));
Label_023A:
return(new XlsBiffFormulaCell(bytes, offset));
Label_0242:
return(new XlsBiffFormatString(bytes, offset));
Label_02B2:
return(new XlsBiffRecord(bytes, offset));
}
private object tryConvertOADateTime(double value, ushort XFormat)
{
XlsBiffFormatString str;
ushort key = 0;
if ((XFormat < 0) || (XFormat >= this.m_globals.ExtendedFormats.Count))
{
key = XFormat;
}
else
{
XlsBiffRecord record = this.m_globals.ExtendedFormats[XFormat];
BIFFRECORDTYPE iD = record.ID;
if (iD == BIFFRECORDTYPE.XF_V2)
{
key = (ushort)(record.ReadByte(2) & 0x3f);
}
else if (iD == BIFFRECORDTYPE.XF_V3)
{
if ((record.ReadByte(3) & 4) == 0)
{
return(value);
}
key = record.ReadByte(1);
}
else if (iD == BIFFRECORDTYPE.XF_V4)
{
if ((record.ReadByte(5) & 4) == 0)
{
return(value);
}
key = record.ReadByte(1);
}
else
{
if ((record.ReadByte(this.m_globals.Sheets[this.m_globals.Sheets.Count - 1].IsV8 ? 9 : 7) & 4) == 0)
{
return(value);
}
key = record.ReadUInt16(2);
}
}
switch (key)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 0x25:
case 0x26:
case 0x27:
case 40:
case 0x29:
case 0x2a:
case 0x2b:
case 0x2c:
case 0x30:
return(value);
case 14:
case 15:
case 0x10:
case 0x11:
case 0x12:
case 0x13:
case 20:
case 0x15:
case 0x16:
case 0x2d:
case 0x2e:
case 0x2f:
return(Helpers.ConvertFromOATime(value));
case 0x31:
return(value.ToString());
}
if (this.m_globals.Formats.TryGetValue(key, out str))
{
string str2 = str.Value;
FormatReader reader = new FormatReader {
FormatString = str2
};
if (reader.IsDateFormatString())
{
return(Helpers.ConvertFromOATime(value));
}
}
return(value);
}
