DOCX autotext import: speed up handling of large amount of blocks

WW8Glossary::Load() does the same for the DOC autotext import.

Old cost for a document with 2508 document parts: 843842 ms.

New cost for the same document: 46572 ms (5% of baseline).

Change-Id: If0ff183315cb7465dd2b32c1a4fc856b50611265
Reviewed-on: https://gerrit.libreoffice.org/69271
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Tested-by: Jenkins

1 files changed, 8 insertions, 1 deletions

diff --git a/sw/source/filter/docx/swdocxreader.cxx b/sw/source/filter/docx/swdocxreader.cxx
index dd130751bac4..3a5edd2fd41f 100644
--- a/sw/source/filter/docx/swdocxreader.cxx
+++ b/sw/source/filter/docx/swdocxreader.cxx
@@ -137,7 +137,14 @@ bool SwDOCXReader::ReadGlossaries( SwTextBlocks& rBlocks, bool /* bSaveRelFiles
             }));
 
         if( xFilter->filter( aDescriptor ) )
-            return MakeEntries( static_cast<SwDocShell*>( &xDocSh )->GetDoc(), rBlocks );
+        {
+            if (rBlocks.StartPutMuchBlockEntries())
+            {
+                bool bRet = MakeEntries(static_cast<SwDocShell*>(&xDocSh)->GetDoc(), rBlocks);
+                rBlocks.EndPutMuchBlockEntries();
+                return bRet;
+            }
+        }
     }
 
     return false;