[Libreoffice-commits] core.git: Branch 'libreoffice-7-0' - include/xmloff sw/qa sw/source xmloff/source

[Mike Kaganski (via logerrit)]

 include/xmloff/txtparae.hxx                         |    2 +
 sw/qa/extras/odfexport/data/nestedTableInFooter.odt |binary
 sw/qa/extras/odfexport/odfexport.cxx                |   13 ++++++++++++
 sw/source/filter/xml/xmltble.cxx                    |   21 +++++++++++++++++++-
 xmloff/source/text/txtparae.cxx                     |    2 +
 5 files changed, 37 insertions(+), 1 deletion(-)

New commits:
commit 0273675e7dde577077ccca17571846a0942f2630
Author:     Mike Kaganski <mike.kaganski at collabora.com>
AuthorDate: Fri Aug 21 00:15:29 2020 +0300
Commit:     Caolán McNamara <caolanm at redhat.com>
CommitDate: Fri Aug 21 19:57:45 2020 +0200

    tdf#135942: avoid collecting autostyles during writing them
    
    This modifies the container over which iteration is performed.
    Additionally, make sure that all nested table autostyles are
    collected on the first phase.
    
    Change-Id: I74c0bb1aaacad095226c21e6bf51cc8668133bb3
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/101096
    Tested-by: Jenkins
    Reviewed-by: Mike Kaganski <mike.kaganski at collabora.com>
    (cherry picked from commit f0286ad82465152b29bba01ab2edeb97291397fa)
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/101069
    Reviewed-by: Caolán McNamara <caolanm at redhat.com>

diff --git a/include/xmloff/txtparae.hxx b/include/xmloff/txtparae.hxx
index 44c15512cd70..e280db9fd4af 100644
--- a/include/xmloff/txtparae.hxx
+++ b/include/xmloff/txtparae.hxx
@@ -365,6 +365,8 @@ protected:
         const css::uno::Reference< css::beans::XPropertySet> & i_xPortion,
         bool i_bAutoStyles, bool i_isProgress, bool & rPrevCharIsSpace);
 
+    bool isAutoStylesCollected() const { return mbCollected; }
+
     virtual void exportTableAutoStyles();
 
 public:
diff --git a/sw/qa/extras/odfexport/data/nestedTableInFooter.odt b/sw/qa/extras/odfexport/data/nestedTableInFooter.odt
new file mode 100644
index 000000000000..0356f04ee14e
Binary files /dev/null and b/sw/qa/extras/odfexport/data/nestedTableInFooter.odt differ
diff --git a/sw/qa/extras/odfexport/odfexport.cxx b/sw/qa/extras/odfexport/odfexport.cxx
index d41ce2037d5e..6554b6abc38b 100644
--- a/sw/qa/extras/odfexport/odfexport.cxx
+++ b/sw/qa/extras/odfexport/odfexport.cxx
@@ -2538,5 +2538,18 @@ DECLARE_ODFEXPORT_TEST(tdf124470, "tdf124470TableAndEmbeddedUsedFonts.odt")
     assertXPath(pXmlDoc, "/office:document-content/office:automatic-styles/style:style[@style:family='paragraph']", 1);
 }
 
+DECLARE_ODFEXPORT_TEST(tdf135942, "nestedTableInFooter.odt")
+{
+    // All table autostyles should be collected, including nested, and must not crash.
+
+    CPPUNIT_ASSERT_EQUAL(1, getPages());
+
+    xmlDocUniquePtr pXmlDoc = parseExport("styles.xml");
+    if (!pXmlDoc)
+        return;
+
+    assertXPath(pXmlDoc, "/office:document-styles/office:automatic-styles/style:style[@style:family='table']", 2);
+}
+
 CPPUNIT_PLUGIN_IMPLEMENT();
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/filter/xml/xmltble.cxx b/sw/source/filter/xml/xmltble.cxx
index 0d91074bd91b..fcc386c8c110 100644
--- a/sw/source/filter/xml/xmltble.cxx
+++ b/sw/source/filter/xml/xmltble.cxx
@@ -1199,8 +1199,27 @@ void SwXMLTextParagraphExport::exportTable(
                 // During the flat XML export (used e.g. by .sdw-export)
                 // ALL flags are set at the same time.
                 const bool bExportStyles = bool( GetExport().getExportFlags() & SvXMLExportFlags::STYLES );
-                if ( bExportStyles || !pFormat->GetDoc()->IsInHeaderFooter( aIdx ) )
+                if (!isAutoStylesCollected()
+                    && (bExportStyles || !pFormat->GetDoc()->IsInHeaderFooter(aIdx)))
+                {
                     maTableNodes.push_back(pTableNd);
+                    // Collect all tables inside cells of this table, too
+                    const auto aCellNames = pXTable->getCellNames();
+                    for (const OUString& rCellName : aCellNames)
+                    {
+                        css::uno::Reference<css::container::XEnumerationAccess> xCell(
+                            pXTable->getCellByName(rCellName), css::uno::UNO_QUERY);
+                        if (!xCell)
+                            continue;
+                        auto xEnumeration = xCell->createEnumeration();
+                        while (xEnumeration->hasMoreElements())
+                        {
+                            if (css::uno::Reference<css::text::XTextTable> xInnerTable{
+                                    xEnumeration->nextElement(), css::uno::UNO_QUERY })
+                                exportTable(xInnerTable, bAutoStyles, _bProgress);
+                        }
+                    }
+                }
             }
             else
             {
diff --git a/xmloff/source/text/txtparae.cxx b/xmloff/source/text/txtparae.cxx
index d0c067ac7ed3..7da33fb3a686 100644
--- a/xmloff/source/text/txtparae.cxx
+++ b/xmloff/source/text/txtparae.cxx
@@ -3696,6 +3696,8 @@ void XMLTextParagraphExport::exportTableAutoStyles() {}
 
 void XMLTextParagraphExport::exportTextAutoStyles()
 {
+    // tdf#135942: do not collect styles during their export: this may modify iterated containers
+    mbCollected = true;
     exportTableAutoStyles();
 
     GetAutoStylePool().exportXML( XmlStyleFamily::TEXT_PARAGRAPH );