sc/inc/filter.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <rtl/textenc.h>
  23 #include <rtl/ustring.hxx>
  24 #include <vcl/errcode.hxx>
  25
  26 #include "scdllapi.h"
  27 #include <memory>
  28
  29 class SfxMedium;
  30 class SvStream;
  31
  32 class ScAddress;
  33 class ScDocument;
  34 class ScRange;
  35 class SvNumberFormatter;
  36 class ScOrcusFilters;
  37
  38 // for import
  39 enum EXCIMPFORMAT { EIF_AUTO, EIF_BIFF5, EIF_BIFF8, EIF_BIFF_LE4 };
  40
  41 // for export
  42 enum ExportFormatExcel { ExpBiff5, ExpBiff8 };
  43
  44 // These are implemented inside the scfilt library and lazy loaded
  45
  46 class ScEEAbsImport {
  47   public:
  48     virtual ~ScEEAbsImport() {}
  49     virtual ErrCode Read( SvStream& rStream, const OUString& rBaseURL ) = 0;
  50     virtual ScRange GetRange() = 0;
  51     virtual void    WriteToDocument(
  52         bool bSizeColsRows = false, double nOutputFactor = 1.0,
  53         SvNumberFormatter* pFormatter = nullptr, bool bConvertDate = true ) = 0;
  54 };
  55
  56 class SAL_DLLPUBLIC_RTTI ScFormatFilterPlugin {
  57   public:
  58     // various import filters
  59     virtual ErrCode ScImportLotus123( SfxMedium&, ScDocument&, rtl_TextEncoding eSrc ) = 0;
  60     virtual ErrCode ScImportQuattroPro(SvStream* pStream, ScDocument& rDoc) = 0;
  61     virtual ErrCode ScImportExcel( SfxMedium&, ScDocument*, const EXCIMPFORMAT ) = 0;
  62         // eFormat == EIF_AUTO  -> matching filter is used automatically
  63         // eFormat == EIF_BIFF5 -> only Biff5 stream is read successfully (in an Excel97 doc, too)
  64         // eFormat == EIF_BIFF8 -> only Biff8 stream is read successfully (only in Excel97 docs)
  65         // eFormat == EIF_BIFF_LE4 -> only non storage files _might_ be read successfully
  66     virtual ErrCode ScImportDif( SvStream&, ScDocument*, const ScAddress& rInsPos,
  67                  const rtl_TextEncoding eSrc ) = 0;
  68     virtual ErrCode ScImportRTF( SvStream&, const OUString& rBaseURL, ScDocument*, ScRange& rRange ) = 0;
  69     virtual ErrCode ScImportHTML( SvStream&, const OUString& rBaseURL, ScDocument*, ScRange& rRange, double nOutputFactor,
  70                                    bool bCalcWidthHeight, SvNumberFormatter* pFormatter, bool bConvertDate ) = 0;
  71
  72     // various import helpers
  73     virtual std::unique_ptr<ScEEAbsImport> CreateRTFImport( ScDocument* pDoc, const ScRange& rRange ) = 0;
  74     virtual std::unique_ptr<ScEEAbsImport> CreateHTMLImport( ScDocument* pDocP, const OUString& rBaseURL, const ScRange& rRange ) = 0;
  75     virtual OUString       GetHTMLRangeNameList( ScDocument& rDoc, const OUString& rOrigName ) = 0;
  76
  77     // various export filters
  78     virtual ErrCode ScExportExcel5( SfxMedium&, ScDocument*, ExportFormatExcel eFormat, rtl_TextEncoding eDest ) = 0;
  79     virtual void ScExportDif( SvStream&, ScDocument*, const ScAddress& rOutPos, const rtl_TextEncoding eDest ) = 0;
  80     virtual void ScExportDif( SvStream&, ScDocument*, const ScRange& rRange, const rtl_TextEncoding eDest ) = 0;
  81     virtual void ScExportHTML( SvStream&, const OUString& rBaseURL, ScDocument*, const ScRange& rRange, const rtl_TextEncoding eDest, bool bAll,
  82                   const OUString& rStreamPath, OUString& rNonConvertibleChars, const OUString& rFilterOptions ) = 0;
  83     virtual void ScExportRTF( SvStream&, ScDocument*, const ScRange& rRange, const rtl_TextEncoding eDest ) = 0;
  84
  85     virtual ScOrcusFilters* GetOrcusFilters() = 0;
  86
  87 protected:
  88     ~ScFormatFilterPlugin() {}
  89 };
  90
  91 // scfilt plugin symbol
  92 extern "C" {
  93   SAL_DLLPUBLIC_EXPORT ScFormatFilterPlugin * ScFilterCreate();
  94 }
  95
  96 class ScFormatFilter {
  97     public:
  98     SC_DLLPUBLIC static ScFormatFilterPlugin &Get();
  99 };
 100
 101 struct LotusContext;
 102
 103 ErrCode ScImportLotus123old(LotusContext& rContext, SvStream&, rtl_TextEncoding eSrc);
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */