/**
* Constructor
*
* @param offset the offset in the raw file
* @param f the excel 97 biff file
* @param d the data record
*/
public Record(byte[] d, int offset, File f)
{
code = IntegerHelper.getInt(d[offset], d[offset + 1]);
length = IntegerHelper.getInt(d[offset + 2], d[offset + 3]);
file = f;
file.skip(4);
dataPos = f.getPos();
file.skip(length);
type = Type.getType(code);
}
/**
* Constructs this number
*
* @param t the data
* @param excelFile the excel biff data
* @param v the value
* @param fr the formatting records
* @param es the external sheet
* @param nt the name table
* @param si the sheet
*/
public SharedBooleanFormulaRecord(Record t,
File excelFile,
bool v,
FormattingRecords fr,
ExternalSheet es,
WorkbookMethods nt,
SheetImpl si)
: base(t, fr, es, nt, si, excelFile.getPos())
{
value = v;
}
/**
* Constructs this string formula
*
* @param t the record
* @param excelFile the excel file
* @param fr the formatting record
* @param es the external sheet
* @param nt the workbook
* @param si the sheet
* @param dummy the overload indicator
*/
public SharedStringFormulaRecord(Record t,
File excelFile,
FormattingRecords fr,
ExternalSheet es,
WorkbookMethods nt,
SheetImpl si,
EmptyString dummy)
: base(t, fr, es, nt, si, excelFile.getPos())
{
value = string.Empty;
}
/**
* Constructs this number
*
* @param t the data
* @param excelFile the excel biff data
* @param v the errorCode
* @param fr the formatting records
* @param es the external sheet
* @param nt the name table
* @param si the sheet
*/
public SharedErrorFormulaRecord(Record t,
File excelFile,
int ec,
FormattingRecords fr,
ExternalSheet es,
WorkbookMethods nt,
SheetImpl si)
: base(t, fr, es, nt, si, excelFile.getPos())
{
errorCode = ec;
}
/**
* Constructs this number
*
* @param t the data
* @param excelFile the excel biff data
* @param v the value
* @param fr the formatting records
* @param es the external sheet
* @param nt the name table
* @param si the sheet
*/
public SharedNumberFormulaRecord(Record t,
File excelFile,
double v,
FormattingRecords fr,
ExternalSheet es,
WorkbookMethods nt,
SheetImpl si)
: base(t, fr, es, nt, si, excelFile.getPos())
{
value = v;
format = defaultFormat; // format is set up later from the
// SharedFormulaRecord
}
/**
* Constructor
*
* @param f the excel file
* @param sst the shared string table
* @param fr formatting records
* @param sb the bof record which indicates the start of the sheet
* @param wb the bof record which indicates the start of the sheet
* @param nf the 1904 flag
* @param wp the workbook which this sheet belongs to
* @exception BiffException
*/
public SheetImpl(File f,
SSTRecord sst,
FormattingRecords fr,
BOFRecord sb,
BOFRecord wb,
bool nf,
WorkbookParser wp)
{
excelFile = f;
sharedStrings = sst;
formattingRecords = fr;
sheetBof = sb;
workbookBof = wb;
columnInfosArray = new ArrayList();
sharedFormulas = new ArrayList();
hyperlinks = new ArrayList();
rowProperties = new ArrayList(10);
columnInfosInitialized = false;
rowRecordsInitialized = false;
nineteenFour = nf;
workbook = wp;
workbookSettings = workbook.getSettings();
// Mark the position in the stream, and then skip on until the end
startPosition = f.getPos();
if (sheetBof.isChart())
{
// Set the start pos to include the bof so the sheet reader can handle it
startPosition -= (sheetBof.getLength() + 4);
}
Record r = null;
int bofs = 1;
while (bofs >= 1)
{
r = f.next();
// use this form for quick performance
if (r.getCode() == Type.EOF.value)
{
bofs--;
}
if (r.getCode() == Type.BOF.value)
{
bofs++;
}
}
}
/**
* Constructs this object from the raw data. We need to use the excelFile
* to retrieve the string record which follows this formula record
*
* @param t the raw data
* @param excelFile the excel file
* @param fr the formatting records
* @param es the external sheet records
* @param nt the workbook
* @param si the sheet impl
* @param ws the workbook settings
*/
public StringFormulaRecord(Record t, File excelFile,
FormattingRecords fr,
ExternalSheet es,
WorkbookMethods nt,
SheetImpl si,
WorkbookSettings ws)
: base(t, fr, si)
{
externalSheet = es;
nameTable = nt;
data = getRecord().getData();
int pos = excelFile.getPos();
// Look for the string record in one of the records after the
// formula. Put a cap on it to prevent looping
Record nextRecord = excelFile.next();
int count = 0;
while (nextRecord.getType() != Type.STRING && count < 4)
{
nextRecord = excelFile.next();
count++;
}
Assert.verify(count < 4, " @ " + pos);
byte[] stringData = nextRecord.getData();
// Read in any continuation records
nextRecord = excelFile.peek();
while (nextRecord.getType() == Type.CONTINUE)
{
nextRecord = excelFile.next(); // move the pointer within the data
byte[] d = new byte[stringData.Length + nextRecord.getLength() - 1];
System.Array.Copy(stringData, 0, d, 0, stringData.Length);
System.Array.Copy(nextRecord.getData(), 1, d,
stringData.Length, nextRecord.getLength() - 1);
stringData = d;
nextRecord = excelFile.peek();
}
readString(stringData, ws);
}
/**
* Constructs this string formula
*
* @param t the record
* @param excelFile the excel file
* @param fr the formatting record
* @param es the external sheet
* @param nt the workbook
* @param si the sheet
* @param ws the workbook settings
*/
public SharedStringFormulaRecord(Record t,
File excelFile,
FormattingRecords fr,
ExternalSheet es,
WorkbookMethods nt,
SheetImpl si,
WorkbookSettings ws)
: base(t, fr, es, nt, si, excelFile.getPos())
{
int pos = excelFile.getPos();
// Save the position in the excel file
int filepos = excelFile.getPos();
// Look for the string record in one of the records after the
// formula. Put a cap on it to prevent ednas
Record nextRecord = excelFile.next();
int count = 0;
while (nextRecord.getType() != Type.STRING && count < 4)
{
nextRecord = excelFile.next();
count++;
}
Assert.verify(count < 4, " @ " + pos);
byte[] stringData = nextRecord.getData();
// Read in any continuation records
nextRecord = excelFile.peek();
while (nextRecord.getType() == Type.CONTINUE)
{
nextRecord = excelFile.next(); // move the pointer within the data
byte[] d = new byte[stringData.Length + nextRecord.getLength() - 1];
System.Array.Copy(stringData, 0, d, 0, stringData.Length);
System.Array.Copy(nextRecord.getData(), 1, d,
stringData.Length, nextRecord.getLength() - 1);
stringData = d;
nextRecord = excelFile.peek();
}
int chars = IntegerHelper.getInt(stringData[0], stringData[1]);
bool unicode = false;
int startpos = 3;
if (stringData.Length == chars + 2)
{
// string might only consist of a one byte length indicator, instead
// of the more normal 2
startpos = 2;
unicode = false;
}
else if (stringData[2] == 0x1)
{
// unicode string, two byte length indicator
startpos = 3;
unicode = true;
}
else
{
// ascii string, two byte length indicator
startpos = 3;
unicode = false;
}
if (!unicode)
{
value = StringHelper.getString(stringData, chars, startpos, ws);
}
else
{
value = StringHelper.getUnicodeString(stringData, chars, startpos);
}
// Restore the position in the excel file, to enable the SHRFMLA
// record to be picked up
excelFile.setPos(filepos);
}
