1 files changed, 103 insertions, 0 deletions
diff --git a/sfx2/source/bastyp/mieclip.cxx b/sfx2/source/bastyp/mieclip.cxx
new file mode 100644
index 000000000..e40c5bd29
--- /dev/null
+++ b/sfx2/source/bastyp/mieclip.cxx
@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <o3tl/safeint.hxx>
+#include <o3tl/string_view.hxx>
+#include <tools/stream.hxx>
+#include <comphelper/string.hxx>
+
+#include <sfx2/mieclip.hxx>
+
+MSE40HTMLClipFormatObj::~MSE40HTMLClipFormatObj()
+{
+}
+
+SvStream* MSE40HTMLClipFormatObj::IsValid( SvStream& rStream )
+{
+    bool bRet = false;
+    pStrm.reset();
+
+    OStringBuffer sLine;
+    sal_Int32 nStt = -1, nEnd = -1, nFragStart = -1, nFragEnd = -1;
+    sal_Int32 nIndex = 0;
+
+    rStream.Seek(STREAM_SEEK_TO_BEGIN);
+    rStream.ResetError();
+
+    if( rStream.ReadLine( sLine ) &&
+        o3tl::getToken(sLine, 0, ':', nIndex ) == "Version" )
+    {
+        while( rStream.ReadLine( sLine ) )
+        {
+            nIndex = 0;
+            std::string_view sTmp(o3tl::getToken(sLine, 0, ':', nIndex));
+            std::string_view sView(sLine);
+            if (sTmp == "StartHTML")
+                nStt = o3tl::toInt32(sView.substr(nIndex));
+            else if (sTmp == "EndHTML")
+                nEnd = o3tl::toInt32(sView.substr(nIndex));
+            else if (sTmp == "StartFragment")
+                nFragStart = o3tl::toInt32(sView.substr(nIndex));
+            else if (sTmp == "EndFragment")
+                nFragEnd = o3tl::toInt32(sView.substr(nIndex));
+            else if (sTmp == "SourceURL")
+                sBaseURL = OStringToOUString( sView.substr(nIndex), RTL_TEXTENCODING_UTF8 );
+
+            if (nEnd >= 0 && nStt >= 0 &&
+                (!sBaseURL.isEmpty() || rStream.Tell() >= o3tl::make_unsigned(nStt)))
+            {
+                bRet = true;
+                break;
+            }
+        }
+    }
+
+    if( bRet )
+    {
+        rStream.Seek( nStt );
+
+        pStrm.reset( new SvMemoryStream( ( nEnd - nStt < 0x10000l
+                                        ? nEnd - nStt + 32
+                                        : 0 )) );
+        pStrm->WriteStream( rStream );
+        pStrm->SetStreamSize( nEnd - nStt + 1 );
+        pStrm->Seek( STREAM_SEEK_TO_BEGIN );
+        return pStrm.get();
+    }
+
+    if (nFragStart > 0 && nFragEnd > 0 && nFragEnd > nFragStart)
+    {
+        size_t nSize = nFragEnd - nFragStart + 1;
+        if (nSize < 0x10000L)
+        {
+            rStream.Seek(nFragStart);
+            pStrm.reset( new SvMemoryStream(nSize) );
+            pStrm->WriteStream( rStream );
+            pStrm->SetStreamSize(nSize);
+            pStrm->Seek(STREAM_SEEK_TO_BEGIN);
+            return pStrm.get();
+        }
+    }
+
+    return nullptr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */