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