1 files changed, 136 insertions, 0 deletions
diff --git a/sd/source/core/sdiocmpt.cxx b/sd/source/core/sdiocmpt.cxx
new file mode 100644
index 000000000000..5231aaf261ba
--- /dev/null
+++ b/sd/source/core/sdiocmpt.cxx
@@ -0,0 +1,136 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_sd.hxx"
+
+
+#include <tools/debug.hxx>
+
+#include "sdiocmpt.hxx"
+
+//////////////////////////////////////////////////////////////////////////////
+
+old_SdrDownCompat::old_SdrDownCompat(SvStream& rNewStream, UINT16 nNewMode)
+:   rStream(rNewStream),
+    nSubRecSiz(0),
+    nSubRecPos(0),
+    nMode(nNewMode),
+    bOpen(FALSE)
+{
+    OpenSubRecord();
+}
+
+old_SdrDownCompat::~old_SdrDownCompat()
+{
+    if(bOpen)
+        CloseSubRecord();
+}
+
+void old_SdrDownCompat::Read()
+{
+    rStream >> nSubRecSiz;
+}
+
+void old_SdrDownCompat::Write()
+{
+    rStream << nSubRecSiz;
+}
+
+void old_SdrDownCompat::OpenSubRecord()
+{
+    if(rStream.GetError())
+        return;
+
+    nSubRecPos = rStream.Tell();
+
+    if(nMode == STREAM_READ)
+    {
+        Read();
+    }
+    else if(nMode == STREAM_WRITE)
+    {
+        Write();
+    }
+
+    bOpen = TRUE;
+}
+
+void old_SdrDownCompat::CloseSubRecord()
+{
+    if(rStream.GetError())
+        return;
+
+    UINT32 nAktPos(rStream.Tell());
+
+    if(nMode == STREAM_READ)
+    {
+        UINT32 nReadAnz(nAktPos - nSubRecPos);
+        if(nReadAnz != nSubRecSiz)
+        {
+            rStream.Seek(nSubRecPos + nSubRecSiz);
+        }
+    }
+    else if(nMode == STREAM_WRITE)
+    {
+        nSubRecSiz = nAktPos - nSubRecPos;
+        rStream.Seek(nSubRecPos);
+        Write();
+        rStream.Seek(nAktPos);
+    }
+
+    bOpen = FALSE;
+}
+
+/*************************************************************************
+|*
+|* Konstruktor, schreibt bzw. liest Versionsnummer
+|*
+\************************************************************************/
+
+SdIOCompat::SdIOCompat(SvStream& rNewStream, USHORT nNewMode, UINT16 nVer)
+:   old_SdrDownCompat(rNewStream, nNewMode), nVersion(nVer)
+{
+    if (nNewMode == STREAM_WRITE)
+    {
+        DBG_ASSERT(nVer != SDIOCOMPAT_VERSIONDONTKNOW,
+                   "kann unbekannte Version nicht schreiben");
+        rNewStream << nVersion;
+    }
+    else if (nNewMode == STREAM_READ)
+    {
+        DBG_ASSERT(nVer == SDIOCOMPAT_VERSIONDONTKNOW,
+                   "Lesen mit Angabe der Version ist Quatsch!");
+        rNewStream >> nVersion;
+    }
+}
+
+SdIOCompat::~SdIOCompat()
+{
+}
+
+// eof