sc/source/filter/inc/externallinkbuffer.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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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  *
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  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_EXTERNALLINKBUFFER_HXX
  21 #define INCLUDED_SC_SOURCE_FILTER_INC_EXTERNALLINKBUFFER_HXX
  22
  23 #include <com/sun/star/sheet/ExternalLinkInfo.hpp>
  24 #include <oox/helper/containerhelper.hxx>
  25 #include "defnamesbuffer.hxx"
  26
  27 namespace com { namespace sun { namespace star {
  28     namespace sheet { struct DDEItemInfo; }
  29     namespace sheet { class XDDELink; }
  30     namespace sheet { class XExternalDocLink; }
  31     namespace sheet { class XExternalSheetCache; }
  32 } } }
  33
  34 namespace oox { namespace core {
  35     class Relations;
  36 } }
  37
  38 namespace oox {
  39 namespace xls {
  40
  41 struct ExternalNameModel
  42 {
  43     bool                mbBuiltIn;          /// Name is a built-in name.
  44     bool                mbNotify;           /// Notify application on data change.
  45     bool                mbPreferPic;        /// Picture link.
  46     bool                mbStdDocName;       /// Name is the StdDocumentName for DDE.
  47     bool                mbOleObj;           /// Name is an OLE object.
  48     bool                mbIconified;        /// Iconified object link.
  49
  50     explicit            ExternalNameModel();
  51 };
  52
  53 class ExternalLink;
  54
  55 class ExternalName : public DefinedNameBase
  56 {
  57 public:
  58     explicit            ExternalName( const ExternalLink& rParentLink );
  59
  60     /** Appends the passed value to the result set. */
  61     template< typename Type >
  62     inline void         appendResultValue( const Type& rValue )
  63                             { if( maCurrIt != maResults.end() ) (*maCurrIt++) <<= rValue; }
  64
  65     /** Imports the definedName element. */
  66     void                importDefinedName( const AttributeList& rAttribs );
  67     /** Imports the ddeItem element describing an item of a DDE link. */
  68     void                importDdeItem( const AttributeList& rAttribs );
  69     /** Imports the values element containing the size of the DDE result matrix. */
  70     void                importValues( const AttributeList& rAttribs );
  71     /** Imports the oleItem element describing an object of an OLE link. */
  72     void                importOleItem( const AttributeList& rAttribs );
  73
  74     /** Imports the EXTERNALNAME record containing the name (only). */
  75     void                importExternalName( SequenceInputStream& rStrm );
  76     /** Imports the EXTERNALNAMEFLAGS record containing the settings of an external name. */
  77     void                importExternalNameFlags( SequenceInputStream& rStrm );
  78     /** Imports the DDEITEMVALUES record containing the size of the DDE result matrix. */
  79     void                importDdeItemValues( SequenceInputStream& rStrm );
  80     /** Imports the DDEITEM_BOOL record containing a boolean value in a link result. */
  81     void                importDdeItemBool( SequenceInputStream& rStrm );
  82     /** Imports the DDEITEM_DOUBLE record containing a double value in a link result. */
  83     void                importDdeItemDouble( SequenceInputStream& rStrm );
  84     /** Imports the DDEITEM_ERROR record containing an error code in a link result. */
  85     void                importDdeItemError( SequenceInputStream& rStrm );
  86     /** Imports the DDEITEM_STRING record containing a string in a link result. */
  87     void                importDdeItemString( SequenceInputStream& rStrm );
  88
  89     /** Returns true, if the name refers to an OLE object. */
  90     inline bool         isOleObject() const { return maExtNameModel.mbOleObj; }
  91
  92 #if 0
  93     /** Returns the sheet cache index if this is a sheet-local external name. */
  94     sal_Int32           getSheetCacheIndex() const;
  95 #endif
  96
  97     /** Returns the DDE item info needed by the XML formula parser. */
  98     bool                getDdeItemInfo(
  99                             ::com::sun::star::sheet::DDEItemInfo& orItemInfo ) const;
 100
 101     /** Returns the complete DDE link data of this DDE item. */
 102     bool                getDdeLinkData(
 103                             OUString& orDdeServer,
 104                             OUString& orDdeTopic,
 105                             OUString& orDdeItem );
 106
 107 private:
 108     /** Sets the size of the result matrix. */
 109     void                setResultSize( sal_Int32 nColumns, sal_Int32 nRows );
 110
 111 private:
 112     typedef Matrix< ::com::sun::star::uno::Any > ResultMatrix;
 113
 114     const ExternalLink& mrParentLink;       /// External link this name belongs to.
 115     ExternalNameModel   maExtNameModel;     /// Additional name data.
 116     ResultMatrix        maResults;          /// DDE/OLE link results.
 117     ResultMatrix::iterator maCurrIt;        /// Current position in result matrix.
 118     ::com::sun::star::uno::Reference< ::com::sun::star::sheet::XDDELink >
 119                         mxDdeLink;          /// Interface of a DDE link.
 120     bool                mbDdeLinkCreated;   /// True = already tried to create the DDE link.
 121 };
 122
 123 typedef std::shared_ptr< ExternalName > ExternalNameRef;
 124
 125 /** Contains indexes for a range of sheets in the spreadsheet document. */
 126 class LinkSheetRange
 127 {
 128 public:
 129     inline explicit     LinkSheetRange() { setDeleted(); }
 130     inline explicit     LinkSheetRange( sal_Int32 nFirst, sal_Int32 nLast ) { setRange( nFirst, nLast ); }
 131     inline explicit     LinkSheetRange( sal_Int32 nDocLink, sal_Int32 nFirst, sal_Int32 nLast ) { setExternalRange( nDocLink, nFirst, nLast ); }
 132
 133     /** Sets this struct to deleted state. */
 134     void                setDeleted();
 135     /** Sets this struct to "use current sheet" state. */
 136     void                setSameSheet();
 137     /** Sets the passed absolute sheet range to the members of this struct. */
 138     void                setRange( sal_Int32 nFirst, sal_Int32 nLast );
 139     /** Sets the passed external sheet cache range to the members of this struct. */
 140     void                setExternalRange( sal_Int32 nDocLink, sal_Int32 nFirst, sal_Int32 nLast );
 141
 142     /** Returns true, if the sheet indexes are valid and different. */
 143     inline bool         isDeleted() const { return mnFirst < 0; }
 144     /** Returns true, if the sheet range points to an external document. */
 145     inline bool         isExternal() const { return !isDeleted() && (meType == LINKSHEETRANGE_EXTERNAL); }
 146     /** Returns true, if the sheet indexes are valid and different. */
 147     inline bool         isSameSheet() const { return meType == LINKSHEETRANGE_SAMESHEET; }
 148     /** Returns true, if the sheet indexes are valid and different. */
 149     inline bool         is3dRange() const { return (0 <= mnFirst) && (mnFirst < mnLast); }
 150
 151     inline sal_Int32    getDocLinkIndex() const { return mnDocLink; }
 152     inline sal_Int32    getFirstSheet() const { return mnFirst; }
 153     inline sal_Int32    getLastSheet() const { return mnLast; }
 154
 155 private:
 156     enum LinkSheetRangeType
 157     {
 158         LINKSHEETRANGE_INTERNAL,    /// Sheet range in the own document.
 159         LINKSHEETRANGE_EXTERNAL,    /// Sheet range in an external document.
 160         LINKSHEETRANGE_SAMESHEET    /// Current sheet depending on context.
 161     };
 162
 163     LinkSheetRangeType  meType;         /// Link sheet range type.
 164     sal_Int32           mnDocLink;      /// Document link token index for external links.
 165     sal_Int32           mnFirst;        /// Index of the first sheet or index of first external sheet cache.
 166     sal_Int32           mnLast;         /// Index of the last sheet or index of last external sheet cache.
 167 };
 168
 169 enum ExternalLinkType
 170 {
 171     LINKTYPE_SELF,          /// Link refers to the current workbook.
 172     LINKTYPE_SAME,          /// Link refers to the current sheet.
 173     LINKTYPE_INTERNAL,      /// Link refers to a sheet in the own workbook.
 174     LINKTYPE_EXTERNAL,      /// Link refers to an external spreadsheet document.
 175     LINKTYPE_ANALYSIS,      /// Link refers to the Analysis add-in.
 176     LINKTYPE_LIBRARY,       /// Link refers to an external add-in.
 177     LINKTYPE_DDE,           /// DDE link.
 178     LINKTYPE_OLE,           /// OLE link.
 179     LINKTYPE_MAYBE_DDE_OLE, /// Could be DDE or OLE link (BIFF only).
 180     LINKTYPE_UNKNOWN        /// Unknown or unsupported link type.
 181 };
 182
 183 class ExternalLink : public WorkbookHelper
 184 {
 185 public:
 186     explicit            ExternalLink( const WorkbookHelper& rHelper );
 187
 188     /** Imports the externalReference element containing the relation identifier. */
 189     void                importExternalReference( const AttributeList& rAttribs );
 190     /** Imports the externalBook element describing an externally linked document. */
 191     void                importExternalBook( const ::oox::core::Relations& rRelations, const AttributeList& rAttribs );
 192     /** Imports the sheetName element containing the sheet name in an externally linked document. */
 193     void                importSheetName( const AttributeList& rAttribs );
 194     /** Imports the definedName element describing an external name. */
 195     void                importDefinedName( const AttributeList& rAttribs );
 196     /** Imports the ddeLink element describing a DDE link. */
 197     void                importDdeLink( const AttributeList& rAttribs );
 198     /** Imports the ddeItem element describing an item of a DDE link. */
 199     ExternalNameRef     importDdeItem( const AttributeList& rAttribs );
 200     /** Imports the oleLink element describing an OLE link. */
 201     void                importOleLink( const ::oox::core::Relations& rRelations, const AttributeList& rAttribs );
 202     /** Imports the oleItem element describing an object of an OLE link. */
 203     ExternalNameRef     importOleItem( const AttributeList& rAttribs );
 204
 205     /** Imports the EXTERNALBOOK record describing an externally linked document, DDE link, or OLE link. */
 206     void                importExternalBook( const ::oox::core::Relations& rRelations, SequenceInputStream& rStrm );
 207     /** Imports the EXTSHEETNAMES record containing the sheet names in an externally linked document. */
 208     void                importExtSheetNames( SequenceInputStream& rStrm );
 209     /** Imports the EXTERNALNAME record describing an external name. */
 210     ExternalNameRef     importExternalName( SequenceInputStream& rStrm );
 211     /** Imports the EXTERNALREF record from the passed stream. */
 212     void                importExternalRef( SequenceInputStream& rStrm );
 213     /** Imports the EXTERNALSELF record from the passed stream. */
 214     void                importExternalSelf( SequenceInputStream& rStrm );
 215     /** Imports the EXTERNALSAME record from the passed stream. */
 216     void                importExternalSame( SequenceInputStream& rStrm );
 217     /** Imports the EXTERNALADDIN record from the passed stream. */
 218     void                importExternalAddin( SequenceInputStream& rStrm );
 219
 220     /** Sets the link type to 'self reference'. */
 221     inline void         setSelfLinkType() { meLinkType = LINKTYPE_SELF; }
 222
 223     /** Returns the type of this external link. */
 224     inline ExternalLinkType getLinkType() const { return meLinkType; }
 225     /** Returns true, if the link refers to the current workbook. */
 226     inline bool         isInternalLink() const { return (meLinkType == LINKTYPE_SELF) || (meLinkType == LINKTYPE_INTERNAL); }
 227
 228     /** Returns the relation identifier for the external link fragment. */
 229     inline const OUString& getRelId() const { return maRelId; }
 230     /** Returns the class name of this external link. */
 231     inline const OUString& getClassName() const { return maClassName; }
 232     /** Returns the target URL of this external link. */
 233     inline const OUString& getTargetUrl() const { return maTargetUrl; }
 234     /** Returns the link info needed by the XML formula parser. */
 235     ::com::sun::star::sheet::ExternalLinkInfo getLinkInfo() const;
 236
 237     /** Returns the type of the external library if this is a library link. */
 238     FunctionLibraryType getFuncLibraryType() const;
 239
 240     /** Returns the token index of the external document. */
 241     sal_Int32           getDocumentLinkIndex() const;
 242     /** Returns the external sheet cache index or for the passed sheet. */
 243     sal_Int32           getSheetCacheIndex( sal_Int32 nTabId = 0 ) const;
 244     /** Returns the sheet cache of the external sheet with the passed index. */
 245     ::com::sun::star::uno::Reference< ::com::sun::star::sheet::XExternalSheetCache >
 246                         getSheetCache( sal_Int32 nTabId ) const;
 247
 248     /** Returns the internal sheet range or range of external sheet caches for the passed sheet range (BIFF only). */
 249     void                getSheetRange( LinkSheetRange& orSheetRange, sal_Int32 nTabId1, sal_Int32 nTabId2 ) const;
 250
 251     /** Returns the external name with the passed zero-based index. */
 252     ExternalNameRef     getNameByIndex( sal_Int32 nIndex ) const;
 253
 254 private:
 255     void                setExternalTargetUrl( const OUString& rTargetUrl, const OUString& rTargetType );
 256     void                setDdeOleTargetUrl( const OUString& rClassName, const OUString& rTargetUrl, ExternalLinkType eLinkType );
 257     void                parseExternalReference( const ::oox::core::Relations& rRelations, const OUString& rRelId );
 258
 259     /** Creates an external locument link and the sheet cache for the passed sheet name. */
 260     void                insertExternalSheet( const OUString& rSheetName );
 261
 262     ExternalNameRef     createExternalName();
 263
 264 private:
 265     typedef ::std::vector< sal_Int16 >  Int16Vector;
 266     typedef ::std::vector< sal_Int32 >  Int32Vector;
 267     typedef RefVector< ExternalName >   ExternalNameVector;
 268
 269     ExternalLinkType    meLinkType;         /// Type of this link object.
 270     FunctionLibraryType meFuncLibType;      /// Type of the function library, if link type is LINKTYPE_LIBRARY.
 271     OUString     maRelId;            /// Relation identifier for the external link fragment.
 272     OUString     maClassName;        /// DDE service, OLE class name.
 273     OUString     maTargetUrl;        /// Target link, DDE topic, OLE target.
 274     ::com::sun::star::uno::Reference< ::com::sun::star::sheet::XExternalDocLink >
 275                         mxDocLink;          /// Interface for an external document.
 276     Int16Vector         maCalcSheets;       /// Internal sheet indexes.
 277     Int32Vector         maSheetCaches;      /// External sheet cache indexes.
 278     ExternalNameVector  maExtNames;         /// Defined names in external document.
 279 };
 280
 281 typedef std::shared_ptr< ExternalLink > ExternalLinkRef;
 282
 283 /** Represents a REF entry in the BIFF12 EXTERNALSHEETS or in the BIFF8
 284     EXTERNSHEET record.
 285
 286     This struct is used to map ref identifiers to external books (BIFF12:
 287     EXTERNALREF records, BIFF8: EXTERNALBOOK records), and provides sheet
 288     indexes into the sheet list of the external document.
 289  */
 290 struct RefSheetsModel
 291 {
 292     sal_Int32           mnExtRefId;         /// Zero-based index into list of external documents.
 293     sal_Int32           mnTabId1;           /// Zero-based index to first sheet in external document.
 294     sal_Int32           mnTabId2;           /// Zero-based index to last sheet in external document.
 295
 296     explicit            RefSheetsModel();
 297
 298     void                readBiff12Data( SequenceInputStream& rStrm );
 299 };
 300
 301 class ExternalLinkBuffer : public WorkbookHelper
 302 {
 303 public:
 304     explicit            ExternalLinkBuffer( const WorkbookHelper& rHelper );
 305
 306     /** Imports the externalReference element containing . */
 307     ExternalLinkRef     importExternalReference( const AttributeList& rAttribs );
 308
 309     /** Imports the EXTERNALREF record from the passed stream. */
 310     ExternalLinkRef     importExternalRef( SequenceInputStream& rStrm );
 311     /** Imports the EXTERNALSELF record from the passed stream. */
 312     void                importExternalSelf( SequenceInputStream& rStrm );
 313     /** Imports the EXTERNALSAME record from the passed stream. */
 314     void                importExternalSame( SequenceInputStream& rStrm );
 315     /** Imports the EXTERNALADDIN record from the passed stream. */
 316     void                importExternalAddin( SequenceInputStream& rStrm );
 317     /** Imports the EXTERNALSHEETS record from the passed stream. */
 318     void                importExternalSheets( SequenceInputStream& rStrm );
 319
 320     /** Returns the sequence of link infos needed by the XML formula parser. */
 321     ::com::sun::star::uno::Sequence< ::com::sun::star::sheet::ExternalLinkInfo >
 322                         getLinkInfos() const;
 323
 324     /** Returns the external link for the passed reference identifier. */
 325     ExternalLinkRef     getExternalLink( sal_Int32 nRefId, bool bUseRefSheets = true ) const;
 326
 327     /** Returns the sheet range for the specified reference (BIFF2-BIFF5 only). */
 328     LinkSheetRange      getSheetRange( sal_Int32 nRefId, sal_Int16 nTabId1, sal_Int16 nTabId2 ) const;
 329     /** Returns the sheet range for the specified reference (BIFF8 only). */
 330     LinkSheetRange      getSheetRange( sal_Int32 nRefId ) const;
 331
 332 private:
 333     /** Creates a new external link and inserts it into the list of links. */
 334     ExternalLinkRef     createExternalLink();
 335
 336     /** Returns the specified sheet indexes for a reference identifier. */
 337     const RefSheetsModel* getRefSheets( sal_Int32 nRefId ) const;
 338
 339 private:
 340     typedef RefVector< ExternalLink >       ExternalLinkVec;
 341     typedef ::std::vector< RefSheetsModel > RefSheetsModelVec;
 342
 343     ExternalLinkRef     mxSelfRef;          /// Implicit self reference at index 0.
 344     ExternalLinkVec     maLinks;            /// List of link structures for all kinds of links.
 345     ExternalLinkVec     maExtLinks;         /// Real external links needed for formula parser.
 346     RefSheetsModelVec   maRefSheets;        /// Sheet indexes for reference ids.
 347     bool                mbUseRefSheets;     /// True = use maRefSheets list (BIFF12 only).
 348 };
 349
 350 } // namespace xls
 351 } // namespace oox
 352
 353 #endif
 354
 355 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */