1 files changed, 105 insertions, 0 deletions
diff --git a/sc/inc/filter.hxx b/sc/inc/filter.hxx
new file mode 100644
index 000000000..71ed13807
--- /dev/null
+++ b/sc/inc/filter.hxx
@@ -0,0 +1,105 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <rtl/textenc.h>
+#include <rtl/ustring.hxx>
+#include <vcl/errcode.hxx>
+
+#include "scdllapi.h"
+#include <memory>
+
+class SfxMedium;
+class SvStream;
+
+class ScAddress;
+class ScDocument;
+class ScRange;
+class SvNumberFormatter;
+class ScOrcusFilters;
+
+// for import
+enum EXCIMPFORMAT { EIF_AUTO, EIF_BIFF5, EIF_BIFF8, EIF_BIFF_LE4 };
+
+// for export
+enum ExportFormatExcel { ExpBiff5, ExpBiff8 };
+
+// These are implemented inside the scfilt library and lazy loaded
+
+class ScEEAbsImport {
+  public:
+    virtual ~ScEEAbsImport() {}
+    virtual ErrCode Read( SvStream& rStream, const OUString& rBaseURL ) = 0;
+    virtual ScRange GetRange() = 0;
+    virtual void    WriteToDocument(
+        bool bSizeColsRows = false, double nOutputFactor = 1.0,
+        SvNumberFormatter* pFormatter = nullptr, bool bConvertDate = true ) = 0;
+};
+
+class SAL_DLLPUBLIC_RTTI ScFormatFilterPlugin {
+  public:
+    // various import filters
+    virtual ErrCode ScImportLotus123( SfxMedium&, ScDocument&, rtl_TextEncoding eSrc ) = 0;
+    virtual ErrCode ScImportQuattroPro(SvStream* pStream, ScDocument& rDoc) = 0;
+    virtual ErrCode ScImportExcel( SfxMedium&, ScDocument*, const EXCIMPFORMAT ) = 0;
+        // eFormat == EIF_AUTO  -> matching filter is used automatically
+        // eFormat == EIF_BIFF5 -> only Biff5 stream is read successfully (in an Excel97 doc, too)
+        // eFormat == EIF_BIFF8 -> only Biff8 stream is read successfully (only in Excel97 docs)
+        // eFormat == EIF_BIFF_LE4 -> only non storage files _might_ be read successfully
+    virtual ErrCode ScImportDif( SvStream&, ScDocument*, const ScAddress& rInsPos,
+                 const rtl_TextEncoding eSrc ) = 0;
+    virtual ErrCode ScImportRTF( SvStream&, const OUString& rBaseURL, ScDocument*, ScRange& rRange ) = 0;
+    virtual ErrCode ScImportHTML( SvStream&, const OUString& rBaseURL, ScDocument*, ScRange& rRange, double nOutputFactor,
+                                   bool bCalcWidthHeight, SvNumberFormatter* pFormatter, bool bConvertDate ) = 0;
+
+    // various import helpers
+    virtual std::unique_ptr<ScEEAbsImport> CreateRTFImport( ScDocument* pDoc, const ScRange& rRange ) = 0;
+    virtual std::unique_ptr<ScEEAbsImport> CreateHTMLImport( ScDocument* pDocP, const OUString& rBaseURL, const ScRange& rRange ) = 0;
+    virtual OUString       GetHTMLRangeNameList( ScDocument& rDoc, const OUString& rOrigName ) = 0;
+
+    // various export filters
+    virtual ErrCode ScExportExcel5( SfxMedium&, ScDocument*, ExportFormatExcel eFormat, rtl_TextEncoding eDest ) = 0;
+    virtual void ScExportDif( SvStream&, ScDocument*, const ScAddress& rOutPos, const rtl_TextEncoding eDest ) = 0;
+    virtual void ScExportDif( SvStream&, ScDocument*, const ScRange& rRange, const rtl_TextEncoding eDest ) = 0;
+    virtual void ScExportHTML( SvStream&, const OUString& rBaseURL, ScDocument*, const ScRange& rRange, const rtl_TextEncoding eDest, bool bAll,
+                  const OUString& rStreamPath, OUString& rNonConvertibleChars, const OUString& rFilterOptions ) = 0;
+    virtual void ScExportRTF( SvStream&, ScDocument*, const ScRange& rRange, const rtl_TextEncoding eDest ) = 0;
+
+    virtual ScOrcusFilters* GetOrcusFilters() = 0;
+
+protected:
+    ~ScFormatFilterPlugin() {}
+};
+
+// scfilt plugin symbol
+extern "C" {
+  SAL_DLLPUBLIC_EXPORT ScFormatFilterPlugin * ScFilterCreate();
+}
+
+class ScFormatFilter {
+    public:
+    SC_DLLPUBLIC static ScFormatFilterPlugin &Get();
+};
+
+struct LotusContext;
+
+ErrCode ScImportLotus123old(LotusContext& rContext, SvStream&, rtl_TextEncoding eSrc);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */