pascal/lazarus-ccr
1
0
Fork 0
Code Issues Releases Activity

fpspreadsheet: Fix biff2 reader failing to get correct xf record for locked cells. Fix biff2 reader if there are more than 62 xf records in a file.

Browse Source 
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@3935 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2015-02-08 11:53:37 +00:00
parent 21398a50c5
commit 9ac8e4f9a7
1 changed files with 20 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
components/fpspreadsheet/xlsbiff2.pas
View File

@ -59,6 +59,7 @@ type
private
// WorkBookEncoding: TsEncoding;
FFont: TsFont;
FPendingXFIndex: Word;
protected
procedure CreateNumFormatList; override;
procedure ReadBlank(AStream: TStream); override;
@ -70,6 +71,7 @@ type
procedure ReadFormat(AStream: TStream); override;
procedure ReadFormula(AStream: TStream); override;
procedure ReadInteger(AStream: TStream);
procedure ReadIXFE(AStream: TStream);
procedure ReadLabel(AStream: TStream); override;
procedure ReadNumber(AStream: TStream); override;
procedure ReadRowColXF(AStream: TStream; out ARow, ACol: Cardinal; out AXF: Word); override;
@ -407,6 +409,7 @@ begin
r := WordLEToN(rec.Row);
c := WordLEToN(rec.Col);
xf := rec.Attrib1 and $3F;
if xf = 63 then xf := FPendingXFIndex;
{ Create cell }
if FIsVirtualMode then begin
@ -539,6 +542,7 @@ begin
INT_EXCEL_ID_FONTCOLOR : ReadFontColor(AStream);
INT_EXCEL_ID_FORMAT : ReadFormat(AStream);
INT_EXCEL_ID_INTEGER : ReadInteger(AStream);
INT_EXCEL_ID_IXFE : ReadIXFE(AStream);
INT_EXCEL_ID_NUMBER : ReadNumber(AStream);
INT_EXCEL_ID_LABEL : ReadLabel(AStream);
INT_EXCEL_ID_FORMULA : ReadFormula(AStream);
@ -661,6 +665,7 @@ begin
ARow := WordLEToN(rec.Row);
ACol := WordLEToN(rec.Col);
XF := rec.Attrib1 and $3F;
if XF = 63 then XF := FPendingXFIndex;
{ String with 8-bit size }
L := rec.TextLen;
@ -715,6 +720,7 @@ begin
ARow := WordLEToN(rec.Row);
ACol := WordLEToN(rec.Col);
XF := rec.Attrib1 and $3F;
if XF = 63 then XF := FPendingXFIndex;
value := rec.Value;
{Create cell}
@ -752,6 +758,7 @@ begin
ARow := WordLEToN(rec.Row);
ACol := WordLEToN(rec.Col);
XF := rec.Attrib1 and $3F;
if XF = 63 then XF := FPendingXFIndex;
AWord := WordLEToN(rec.Value);
{ Create cell }
@ -772,6 +779,16 @@ begin
Workbook.OnReadCellData(Workbook, ARow, ACol, cell);
end;
{@@ ----------------------------------------------------------------------------
Reads an IXFE record. This record contains the "true" XF index of a cell. It
is used if there are more than 62 XF records (XF field is only 6-bit). The
IXFE record is used in front of the cell record using it
-------------------------------------------------------------------------------}
procedure TsSpreadBIFF2Reader.ReadIXFE(AStream: TStream);
begin
FPendingXFIndex := WordLEToN(AStream.ReadWord);
end;
{@@ ----------------------------------------------------------------------------
Reads the row, column and xf index from the stream
-------------------------------------------------------------------------------}
@ -783,7 +800,9 @@ begin
ACol := WordLEToN(AStream.ReadWord);
{ Index to XF record }
AXF := AStream.ReadByte;
AXF := AStream.ReadByte and $3F; // to do: if AXF = $3F = 63 then there must be a IXFE record which contains the true XF index!
if AXF = $3F then
AXF := FPendingXFIndex;
{ Index to format and font record, cell style - ignored because contained in XF
Must read to keep the record in sync. }