sc/source/filter/inc/externallinkfragment.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.
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   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 #ifndef INCLUDED_SC_SOURCE_FILTER_INC_EXTERNALLINKFRAGMENT_HXX
  21 #define INCLUDED_SC_SOURCE_FILTER_INC_EXTERNALLINKFRAGMENT_HXX
  22
  23 #include "excelhandlers.hxx"
  24 #include "externallinkbuffer.hxx"
  25
  26 namespace oox {
  27 namespace xls {
  28
  29 /** This class implements importing the sheetData element in external sheets.
  30
  31     The sheetData element embedded in the externalBook element contains cached
  32     cells from externally linked sheets.
  33  */
  34 class ExternalSheetDataContext : public WorkbookContextBase
  35 {
  36 public:
  37     explicit            ExternalSheetDataContext(
  38                             WorkbookFragmentBase& rFragment,
  39                             const css::uno::Reference< css::sheet::XExternalSheetCache >& rxSheetCache );
  40
  41 protected:
  42     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs ) override;
  43     virtual void        onCharacters( const OUString& rChars ) override;
  44
  45     virtual ::oox::core::ContextHandlerRef onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm ) override;
  46
  47 private:
  48     /** Imports cell settings from a c element. */
  49     void                importCell( const AttributeList& rAttribs );
  50
  51     /** Imports the EXTCELL_BLANK from the passed stream. */
  52     void                importExtCellBlank( SequenceInputStream& rStrm );
  53     /** Imports the EXTCELL_BOOL from the passed stream. */
  54     void                importExtCellBool( SequenceInputStream& rStrm );
  55     /** Imports the EXTCELL_DOUBLE from the passed stream. */
  56     void                importExtCellDouble( SequenceInputStream& rStrm );
  57     /** Imports the EXTCELL_ERROR from the passed stream. */
  58     void                importExtCellError( SequenceInputStream& rStrm );
  59     /** Imports the EXTCELL_STRING from the passed stream. */
  60     void                importExtCellString( SequenceInputStream& rStrm );
  61
  62     /** Sets the passed cell value to the current position in the sheet cache. */
  63     void                setCellValue( const css::uno::Any& rValue );
  64
  65 private:
  66     css::uno::Reference< css::sheet::XExternalSheetCache >
  67                         mxSheetCache;               /// The sheet cache used to store external cell values.
  68     ScAddress           maCurrPos;                  /// Position of current cell.
  69     sal_Int32           mnCurrType;                 /// Data type of current cell.
  70 };
  71
  72 class ExternalLinkFragment : public WorkbookFragmentBase
  73 {
  74 public:
  75     explicit            ExternalLinkFragment(
  76                             const WorkbookHelper& rHelper,
  77                             const OUString& rFragmentPath,
  78                             ExternalLink& rExtLink );
  79
  80 protected:
  81     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs ) override;
  82     virtual void        onCharacters( const OUString& rChars ) override;
  83     virtual void        onEndElement() override;
  84
  85     virtual ::oox::core::ContextHandlerRef onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm ) override;
  86
  87     virtual const ::oox::core::RecordInfo* getRecordInfos() const override;
  88
  89 private:
  90     ::oox::core::ContextHandlerRef createSheetDataContext( sal_Int32 nSheetId );
  91
  92 private:
  93     ExternalLink&       mrExtLink;
  94     ExternalNameRef     mxExtName;
  95     OUString     maResultValue;
  96     sal_Int32           mnResultType;
  97 };
  98
  99 } // namespace xls
 100 } // namespace oox
 101
 102 #endif
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */