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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef OOX_XLS_WORKSHEETBUFFER_HXX
+#define OOX_XLS_WORKSHEETBUFFER_HXX
+
+#include <utility>
+#include "oox/helper/containerhelper.hxx"
+#include "oox/xls/workbookhelper.hxx"
+
+namespace com { namespace sun { namespace star {
+    namespace i18n { class XCharacterClassification; }
+} } }
+
+namespace oox {
+namespace xls {
+
+// ============================================================================
+
+/** Contains data from the 'sheet' element describing a sheet in the workbook. */
+struct SheetInfoModel
+{
+    ::rtl::OUString     maRelId;        /// Relation identifier for the sheet substream.
+    ::rtl::OUString     maName;         /// Original name of the sheet.
+    sal_Int64           mnBiffHandle;   /// BIFF record handle of the sheet substream.
+    sal_Int32           mnSheetId;      /// Sheet identifier.
+    sal_Int32           mnState;        /// Visibility state.
+
+    explicit            SheetInfoModel();
+};
+
+// ============================================================================
+
+/** Stores information about all sheets in a spreadsheet document.
+
+    Information about sheets includes the sheet name, the visibility state, and
+    for the OOX filter, the relation identifier of the sheet used to obtain the
+    related worksheet fragment.
+ */
+class WorksheetBuffer : public WorkbookHelper
+{
+public:
+    explicit            WorksheetBuffer( const WorkbookHelper& rHelper );
+
+    /** Returns the base file name without path and file extension. */
+    static ::rtl::OUString getBaseFileName( const ::rtl::OUString& rUrl );
+
+    /** Initializes the buffer for single sheet files (BIFF2-BIFF4). */
+    void                initializeSingleSheet();
+
+    /** Imports the attributes of a sheet element. */
+    void                importSheet( const AttributeList& rAttribs );
+    /** Imports the SHEET record from the passed OOBIN stream. */
+    void                importSheet( RecordInputStream& rStrm );
+    /** Imports the SHEET record from the passed BIFF stream. */
+    void                importSheet( BiffInputStream& rStrm );
+    /** Inserts a new empty sheet into the document. Looks for an unused name.
+         @return  Index of the new sheet in the Calc document. */
+    sal_Int16           insertEmptySheet( const ::rtl::OUString& rPreferredName, bool bVisible );
+
+    /** Returns the number of original sheets contained in the workbook. */
+    sal_Int32           getWorksheetCount() const;
+    /** Returns the OOX relation identifier of the specified worksheet. */
+    ::rtl::OUString     getWorksheetRelId( sal_Int32 nWorksheet ) const;
+    /** Returns the BIFF record handle of the associated sheet substream. */
+    sal_Int64           getBiffRecordHandle( sal_Int32 nWorksheet ) const;
+
+    /** Returns the Calc index of the specified worksheet. */
+    sal_Int16           getCalcSheetIndex( sal_Int32 nWorksheet ) const;
+    /** Returns the finalized name of the specified worksheet. */
+    ::rtl::OUString     getCalcSheetName( sal_Int32 nWorksheet ) const;
+
+    /** Returns the Calc index of the sheet with the passed original worksheet name. */
+    sal_Int16           getCalcSheetIndex( const ::rtl::OUString& rWorksheetName ) const;
+    /** Returns the finalized name of the sheet with the passed worksheet name. */
+    ::rtl::OUString     getCalcSheetName( const ::rtl::OUString& rWorksheetName ) const;
+
+private:
+    struct SheetInfo : public SheetInfoModel
+    {
+        ::rtl::OUString     maCalcName;
+        ::rtl::OUString     maCalcQuotedName;
+        sal_Int16           mnCalcSheet;
+
+        explicit            SheetInfo( const SheetInfoModel& rModel, sal_Int16 nCalcSheet, const ::rtl::OUString& rCalcName );
+    };
+
+    typedef ::std::pair< sal_Int16, ::rtl::OUString > IndexNamePair;
+
+    /** Creates a new sheet in the Calc document. Does not insert anything in the own lists. */
+    IndexNamePair       createSheet( const ::rtl::OUString& rPreferredName, sal_Int32 nSheetPos, bool bVisible );
+    /** Creates a new sheet in the Calc document and inserts the related SheetInfo. */
+    void                insertSheet( const SheetInfoModel& rModel );
+
+private:
+    typedef RefVector< SheetInfo > SheetInfoVector;
+    SheetInfoVector     maSheetInfos;
+
+    typedef RefMap< ::rtl::OUString, SheetInfo, IgnoreCaseCompare > SheetInfoMap;
+    SheetInfoMap        maSheetInfosByName;
+};
+
+// ============================================================================
+
+} // namespace xls
+} // namespace oox
+
+#endif
+