private static List <BOUNDSHEET> DecodeRecords(List <Record> records, out SharedResource sharedResource)
{
sharedResource = new SharedResource();
List <BOUNDSHEET> boundSheets = new List <BOUNDSHEET>();
foreach (Record record in records)
{
record.Decode();
switch (record.Type)
{
case RecordType.BOUNDSHEET:
boundSheets.Add(record as BOUNDSHEET);
break;
case RecordType.XF:
sharedResource.ExtendedFormats.Add(record as XF);
break;
case RecordType.FORMAT:
sharedResource.CellFormats.Add(record as FORMAT);
break;
case RecordType.SST:
sharedResource.SharedStringTable = record as SST;
break;
case RecordType.DATEMODE:
DATEMODE dateMode = record as DATEMODE;
switch (dateMode.Mode)
{
case 0:
sharedResource.BaseDate = DateTime.Parse("1899-12-31");
break;
case 1:
sharedResource.BaseDate = DateTime.Parse("1904-01-01");
break;
}
break;
case RecordType.PALETTE:
PALETTE palette = record as PALETTE;
int colorIndex = 8;
foreach (int color in palette.Colors)
{
sharedResource.ColorPalette[colorIndex] = Color.FromArgb(color);
colorIndex++;
}
break;
case RecordType.FONT:
FONT f = record as FONT;
sharedResource.Fonts.Add(f);
break;
}
}
return(boundSheets);
}
private static List <Record> EncodeWorkbook(Workbook workbook)
{
SharedResource sharedResource = new SharedResource(true);
List <Record> book_records = new List <Record>();
BOF bof = new BOF();
bof.BIFFversion = 0x0600; //0600H = BIFF8
bof.StreamType = StreamType.WorkbookGlobals;
bof.BuildID = 3515;
bof.BuildYear = 1996;
bof.RequiredExcelVersion = 6;
book_records.Add(bof);
CODEPAGE codepage = new CODEPAGE();
codepage.CodePageIdentifier = (ushort)Encoding.Unicode.CodePage;
book_records.Add(codepage);
WINDOW1 window = new WINDOW1();
window.WindowWidth = 16384;
window.WindowHeight = 8192;
window.SelecteWorksheets = 1;
window.TabBarWidth = 600;
window.OptionFlags = 56;
book_records.Add(window);
DATEMODE dateMode = new DATEMODE();
dateMode.Mode = 1;
sharedResource.BaseDate = DateTime.Parse("1904-01-01");
book_records.Add(dateMode);
List <List <Record> > all_sheet_records = new List <List <Record> >();
foreach (Worksheet worksheet in workbook.Worksheets)
{
List <Record> sheet_records = WorkSheetEncoder.Encode(worksheet, sharedResource);
Record.EncodeRecords(sheet_records);
all_sheet_records.Add(sheet_records);
}
book_records.AddRange(sharedResource.FormatRecords.ToArray());
book_records.AddRange(sharedResource.ExtendedFormats.ToArray());
List <BOUNDSHEET> boundSheets = new List <BOUNDSHEET>();
foreach (Worksheet worksheet in workbook.Worksheets)
{
BOUNDSHEET boundSheet = new BOUNDSHEET();
boundSheet.Visibility = 0; // 00H = Visible
boundSheet.SheetType = (byte)SheetType.Worksheet;
boundSheet.SheetName = worksheet.Name;
boundSheet.StreamPosition = 0;
boundSheets.Add(boundSheet);
book_records.Add(boundSheet);
}
if (sharedResource.Images.Count > 0)
{
book_records.Add(EncodeImages(sharedResource.Images));
}
Record.EncodeRecords(book_records);
int sstOffset = Record.CountDataLength(book_records);
book_records.Add(sharedResource.SharedStringTable);
book_records.Add(CreateEXTSST(sharedResource.SharedStringTable, sstOffset));
EOF eof = new EOF();
book_records.Add(eof);
Record.EncodeRecords(book_records);
int dataLength = Record.CountDataLength(book_records);
for (int i = 0; i < workbook.Worksheets.Count; i++)
{
boundSheets[i].StreamPosition = (uint)dataLength;
boundSheets[i].Encode();
int sheet_length = Record.CountDataLength(all_sheet_records[i]);
dataLength += sheet_length;
}
List <Record> all_records = new List <Record>();
all_records.AddRange(book_records);
foreach (List <Record> sheet_records in all_sheet_records)
{
all_records.AddRange(sheet_records);
}
return(all_records);
}
