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diff --git a/sw/inc/iodetect.hxx b/sw/inc/iodetect.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+#ifndef _IODETECT_HXX_
+#define _IODETECT_HXX_
+
+#include <sfx2/docfilt.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/fcontnr.hxx>
+#include <osl/endian.h>
+#include <tools/string.hxx>
+#include <swddllapi.h>
+
+#define FILTER_RTF      "RTF"       // RTF filter
+#define sRtfWH          "WH_RTF"
+#define FILTER_TEXT     "TEXT"      // text filter with default codeset
+#define FILTER_BAS      "BAS"       // StarBasic (identical to ANSI)
+#define FILTER_WW8      "CWW8"      // WinWord 97 filter
+#define FILTER_TEXT_DLG "TEXT_DLG"  // text filter with encoding dialog
+#define FILTER_XML      "CXML"      // XML filter
+#define FILTER_XMLV     "CXMLV"     // XML filter
+#define FILTER_XMLVW    "CXMLVWEB"  // XML filter
+#define sHTML           "HTML"
+#define sWW1            "WW1"
+#define sWW5            "WW6"
+#define sWW6            "CWW6"
+
+#define sSWRITER        "swriter"
+#define sSWRITERWEB     "swriter/web"
+
+struct SwIoDetect
+{
+    const sal_Char* pName;
+    sal_uInt16 nLen;
+
+    inline SwIoDetect( const sal_Char *pN, sal_uInt16 nL )
+        : pName( pN ), nLen( nL )
+    {}
+
+    inline int IsFilter( const String& rNm ) const
+    {
+        return pName && rNm.EqualsAscii( pName, 0, nLen );
+    }
+
+    const sal_Char* IsReader( const sal_Char* pHeader, sal_uLong nLen_,
+            const String &rFileName, const String& rUserData ) const;
+};
+
+enum ReaderWriterEnum {
+    READER_WRITER_RTF,
+    READER_WRITER_BAS,
+    READER_WRITER_WW6,
+    READER_WRITER_WW8,
+    READER_WRITER_RTF_WH,
+    READER_WRITER_HTML,
+    READER_WRITER_WW1,
+    READER_WRITER_WW5,
+    READER_WRITER_XML,
+    READER_WRITER_TEXT_DLG,
+    READER_WRITER_TEXT,
+    MAXFILTER
+};
+
+extern SWD_DLLPUBLIC SwIoDetect aFilterDetect[];
+
+// The following class is a wrapper for basic i/o functions of Writer 3.0.
+// Everything is static. All filter names mentioned are Writer-internal
+// names, i.e. the names in front of the equality sign in INSTALL.INI, like SWG
+// or ASCII.
+
+class SwIoSystem
+{
+public:
+    // find for an internal format name the corresponding filter entry
+    SWD_DLLPUBLIC static const SfxFilter*
+        GetFilterOfFormat( const String& rFormat,
+            const SfxFilterContainer* pCnt = 0 );
+
+    // Detect for the given file which filter should be used. The filter name
+    // is returned. If no filter could be found, the name of the ASCII filter
+    // is returned!
+    SWD_DLLPUBLIC static const SfxFilter*
+        GetFileFilter( const String& rFileName,
+            const String& rPrefFltName,
+            SfxMedium* pMedium = 0 );
+
+    // Detect whether the given file is in the given format.
+    // For now, only our own filters are supported!
+    static sal_Bool IsFileFilter( SfxMedium& rMedium, const String& rFmtName,
+            const SfxFilter** ppFlt = 0 );
+
+    static sal_Bool IsValidStgFilter( SotStorage& , const SfxFilter& );
+    static sal_Bool IsValidStgFilter( const com::sun::star::uno::Reference < com::sun::star::embed::XStorage >& rStg, const SfxFilter& rFilter);
+
+    SWD_DLLPUBLIC static bool
+        IsDetectableText( const sal_Char* pBuf, sal_uLong &rLen,
+            CharSet *pCharSet=0, bool *pSwap=0, LineEnd *pLineEnd=0, bool bEncodedFilter = false );
+
+    static const SfxFilter* GetTextFilter( const sal_Char* pBuf, sal_uLong nLen );
+
+    SWD_DLLPUBLIC static const String
+        GetSubStorageName( const SfxFilter& rFltr );
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */