1 files changed, 119 insertions, 0 deletions
diff --git a/sc/source/filter/inc/formulabuffer.hxx b/sc/source/filter/inc/formulabuffer.hxx
new file mode 100644
index 000000000..36e41c7ba
--- /dev/null
+++ b/sc/source/filter/inc/formulabuffer.hxx
@@ -0,0 +1,119 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "workbookhelper.hxx"
+#include <mutex>
+#include <vector>
+
+namespace oox::xls {
+
+class FormulaBuffer : public WorkbookHelper
+{
+public:
+    /**
+     * Represents a shared formula definition.
+     */
+    struct SharedFormulaEntry
+    {
+        ScAddress maAddress;
+        OUString maTokenStr;
+        sal_Int32 mnSharedId;
+
+        SharedFormulaEntry(
+            const ScAddress& rAddress,
+            const OUString& rTokenStr, sal_Int32 nSharedId );
+    };
+
+    /**
+     * Represents a formula cell that uses shared formula.
+     */
+    struct SharedFormulaDesc
+    {
+        ScAddress maAddress;
+        OUString maCellValue;
+        sal_Int32 mnSharedId;
+        sal_Int32 mnValueType;
+
+        SharedFormulaDesc(
+            const ScAddress& rAddr, sal_Int32 nSharedId,
+            const OUString& rCellValue, sal_Int32 nValueType );
+    };
+
+    struct TokenAddressItem
+    {
+        OUString maTokenStr;
+        ScAddress maAddress;
+        TokenAddressItem( const OUString& rTokenStr, const ScAddress& rAddress ) : maTokenStr( rTokenStr ), maAddress( rAddress ) {}
+    };
+
+    struct TokenRangeAddressItem
+    {
+        TokenAddressItem maTokenAndAddress;
+        ScRange maRange;
+        TokenRangeAddressItem( const TokenAddressItem& rTokenAndAddress, const ScRange& rRange ) : maTokenAndAddress( rTokenAndAddress ), maRange( rRange ) {}
+    };
+
+    struct FormulaValue
+    {
+        ScAddress maAddress;
+        OUString maValueStr;
+        sal_Int32 mnCellType;
+    };
+
+    struct SheetItem
+    {
+        std::vector<TokenAddressItem>* mpCellFormulas;
+        std::vector<TokenRangeAddressItem>* mpArrayFormulas;
+        std::vector<FormulaValue>* mpCellFormulaValues;
+        std::vector<SharedFormulaEntry>* mpSharedFormulaEntries;
+        std::vector<SharedFormulaDesc>* mpSharedFormulaIDs;
+
+        SheetItem();
+    };
+
+private:
+
+    std::mutex maMtxData;
+    // Vectors indexed by SCTAB - cf. SetSheetCount
+    std::vector< std::vector<TokenAddressItem> >         maCellFormulas;
+    std::vector< std::vector<TokenRangeAddressItem> >    maCellArrayFormulas;
+    std::vector< std::vector<SharedFormulaEntry> >  maSharedFormulas; // sheet -> stuff needed to create shared formulae
+    std::vector< std::vector<SharedFormulaDesc> >   maSharedFormulaIds; // sheet -> list of shared formula descriptions
+    std::vector< std::vector<FormulaValue> >        maCellFormulaValues; // sheet -> stuff needed to create shared formulae
+
+    SheetItem getSheetItem( SCTAB nTab );
+
+public:
+    explicit            FormulaBuffer( const WorkbookHelper& rHelper );
+    void                finalizeImport();
+    void                setCellFormula( const ScAddress& rAddress, const OUString&  );
+
+    void setCellFormula(
+        const ScAddress& rAddress, sal_Int32 nSharedId,
+        const OUString& rCellValue, sal_Int32 nValueType );
+
+    void setCellFormulaValue(
+        const ScAddress& rAddress, const OUString& rValueStr, sal_Int32 nCellType );
+
+    void                setCellArrayFormula( const ScRange& rRangeAddress,
+                                             const ScAddress& rTokenAddress,
+                                             const OUString& );
+
+    void                createSharedFormulaMapEntry( const ScAddress& rAddress,
+                                                     sal_Int32 nSharedId, const OUString& rTokens );
+
+    /// ensure sizes of vectors matches the number of sheets
+    void SetSheetCount( SCTAB nSheets );
+};
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */