1 files changed, 173 insertions, 0 deletions
diff --git a/sc/source/core/tool/rechead.cxx b/sc/source/core/tool/rechead.cxx
new file mode 100644
index 000000000000..6da946463697
--- /dev/null
+++ b/sc/source/core/tool/rechead.cxx
@@ -0,0 +1,173 @@
+/*************************************************************************
+ *
+ * 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_sc.hxx"
+
+
+
+// INCLUDE ---------------------------------------------------------------
+
+#include <tools/debug.hxx>
+
+#include "rechead.hxx"
+#include "scerrors.hxx"
+
+// STATIC DATA -----------------------------------------------------------
+
+// =======================================================================
+
+ScMultipleReadHeader::ScMultipleReadHeader(SvStream& rNewStream) :
+    rStream( rNewStream )
+{
+    sal_uInt32 nDataSize;
+    rStream >> nDataSize;
+    ULONG nDataPos = rStream.Tell();
+    nTotalEnd = nDataPos + nDataSize;
+    nEntryEnd = nTotalEnd;
+
+    rStream.SeekRel(nDataSize);
+    USHORT nID;
+    rStream >> nID;
+    if (nID != SCID_SIZES)
+    {
+        DBG_ERROR("SCID_SIZES nicht gefunden");
+        if ( rStream.GetError() == SVSTREAM_OK )
+            rStream.SetError( SVSTREAM_FILEFORMAT_ERROR );
+
+        //  alles auf 0, damit BytesLeft() wenigstens abbricht
+        pBuf = NULL; pMemStream = NULL;
+        nEntryEnd = nDataPos;
+    }
+    else
+    {
+        sal_uInt32 nSizeTableLen;
+        rStream >> nSizeTableLen;
+        pBuf = new BYTE[nSizeTableLen];
+        rStream.Read( pBuf, nSizeTableLen );
+        pMemStream = new SvMemoryStream( (char*)pBuf, nSizeTableLen, STREAM_READ );
+    }
+
+    nEndPos = rStream.Tell();
+    rStream.Seek( nDataPos );
+}
+
+ScMultipleReadHeader::~ScMultipleReadHeader()
+{
+    if ( pMemStream && pMemStream->Tell() != pMemStream->GetEndOfData() )
+    {
+        DBG_ERRORFILE( "Sizes nicht vollstaendig gelesen" );
+        if ( rStream.GetError() == SVSTREAM_OK )
+            rStream.SetError( SCWARN_IMPORT_INFOLOST );
+    }
+    delete pMemStream;
+    delete[] pBuf;
+
+    rStream.Seek(nEndPos);
+}
+
+void ScMultipleReadHeader::EndEntry()
+{
+    ULONG nPos = rStream.Tell();
+    DBG_ASSERT( nPos <= nEntryEnd, "zuviel gelesen" );
+    if ( nPos != nEntryEnd )
+    {
+        if ( rStream.GetError() == SVSTREAM_OK )
+            rStream.SetError( SCWARN_IMPORT_INFOLOST );
+        rStream.Seek( nEntryEnd );          // Rest ueberspringen
+    }
+
+    nEntryEnd = nTotalEnd;          // den ganzen Rest, wenn kein StartEntry kommt
+}
+
+void ScMultipleReadHeader::StartEntry()
+{
+    ULONG nPos = rStream.Tell();
+    sal_uInt32 nEntrySize;
+    (*pMemStream) >> nEntrySize;
+
+    nEntryEnd = nPos + nEntrySize;
+    DBG_ASSERT( nEntryEnd <= nTotalEnd, "zuviele Eintraege gelesen" );
+}
+
+ULONG ScMultipleReadHeader::BytesLeft() const
+{
+    ULONG nReadEnd = rStream.Tell();
+    if (nReadEnd <= nEntryEnd)
+        return nEntryEnd-nReadEnd;
+
+    DBG_ERROR("Fehler bei ScMultipleReadHeader::BytesLeft");
+    return 0;
+}
+
+// -----------------------------------------------------------------------
+
+ScMultipleWriteHeader::ScMultipleWriteHeader(SvStream& rNewStream, sal_uInt32 nDefault) :
+    rStream( rNewStream ),
+    aMemStream( 4096, 4096 )
+{
+    nDataSize = nDefault;
+    rStream << nDataSize;
+
+    nDataPos = rStream.Tell();
+    nEntryStart = nDataPos;
+}
+
+ScMultipleWriteHeader::~ScMultipleWriteHeader()
+{
+    ULONG nDataEnd = rStream.Tell();
+
+    rStream << (USHORT) SCID_SIZES;
+    rStream << static_cast<sal_uInt32>(aMemStream.Tell());
+    rStream.Write( aMemStream.GetData(), aMemStream.Tell() );
+
+    if ( nDataEnd - nDataPos != nDataSize )                 // Default getroffen?
+    {
+        nDataSize = nDataEnd - nDataPos;
+        ULONG nPos = rStream.Tell();
+        rStream.Seek(nDataPos-sizeof(sal_uInt32));
+        rStream << nDataSize;                               // Groesse am Anfang eintragen
+        rStream.Seek(nPos);
+    }
+}
+
+void ScMultipleWriteHeader::EndEntry()
+{
+    ULONG nPos = rStream.Tell();
+    aMemStream << static_cast<sal_uInt32>(nPos - nEntryStart);
+}
+
+void ScMultipleWriteHeader::StartEntry()
+{
+    ULONG nPos = rStream.Tell();
+    nEntryStart = nPos;
+}
+
+
+
+
+