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fpspreadsheet: Fix xlsx reader bug which assumes that sheet files in the xlsx structure are always named "sheet1.xml", "sheet2.xml", etc. Issue #39050, patch by Domenico Mammola.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8763 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2023-03-15 18:59:12 +00:00
parent aa1f6223c8
commit 71b627aa59
1 changed files with 13 additions and 1 deletions
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14
components/fpspreadsheet/source/common/xlsxooxml.pas
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@ -56,6 +56,7 @@ type
FPointSeparatorSettings: TFormatSettings;
FSharedStrings: TStringList;
FSheetList: TFPList;
FWorkbookRels: TFPList;
FFillList: TFPList;
FBorderList: TFPList;
FDrawingToSheetRelList: TFPList;
@ -443,6 +444,8 @@ type
TSheetData = class
Name: String;
ID: String;
RelID : String;
Target : String;
Hidden: Boolean;
SheetRels: TFPList;
Drawing_File: String;
@ -806,6 +809,7 @@ begin
FSharedStrings := TStringList.Create;
FSheetList := TFPList.Create;
FWorkbookRels := TRelationshipList.Create;
FFillList := TFPList.Create;
FBorderList := TFPList.Create;
FHyperlinkList := TFPList.Create;
@ -855,6 +859,8 @@ begin
TObject(FSheetList[j]).Free;
FSheetList.Free;
FWorkbookRels.Free;
for j := FSharedStrings.Count-1 downto 0 do
FSharedStrings.Objects[j].Free;
FSharedStrings.Free;
@ -3740,6 +3746,7 @@ begin
sheetData := TSheetData.Create;
sheetData.Name := GetAttrValue(node, 'name');
sheetData.ID := GetAttrvalue(node, 'sheetId');
sheetData.RelID := GetAttrvalue(node, 'r:id');
sheetData.Hidden := GetAttrValue(node, 'state') = 'hidden';
// Add the sheetdata to the SheetList.
FSheetList.Add(sheetData);
@ -4428,6 +4435,7 @@ begin
ReadDateMode(Doc_FindNode('workbookPr'));
ReadWorkbookProtection(Doc_FindNode('workbookProtection'));
ReadSheetList(Doc_FindNode('sheets')); // This creates the worksheets!
ReadRels(AStream, OOXML_PATH_XL_RELS_RELS, FWorkbookRels);
ReadSheetRels(AStream);
ReadDefinedNames(Doc.DocumentElement.FindNode('definedNames'));
ReadActiveSheet(Doc_FindNode('bookViews'), actSheetIndex);
@ -4482,7 +4490,11 @@ begin
// unzip sheet file
XMLStream := CreateXMLStream;
try
fn := OOXML_PATH_XL_WORKSHEETS + Format('sheet%d.xml', [i+1]);
fn := TRelationshipList(FWorkbookRels).FindTarget(sheetData.RelID);
if fn = '' then
fn := OOXML_PATH_XL_WORKSHEETS + Format('sheet%d.xml', [i+1])
else
fn := OOXML_PATH_XL_WORKSHEETS + ExtractFileName(fn);
if not UnzipToStream(AStream, fn, XMLStream) then
Continue;
ReadXMLStream(Doc, XMLStream);