1 files changed, 192 insertions, 0 deletions
diff --git a/sw/source/core/inc/docfld.hxx b/sw/source/core/inc/docfld.hxx
new file mode 100644
index 000000000..08fb08e33
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+++ b/sw/source/core/inc/docfld.hxx
@@ -0,0 +1,192 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SW_SOURCE_CORE_INC_DOCFLD_HXX
+#define INCLUDED_SW_SOURCE_CORE_INC_DOCFLD_HXX
+
+#include <calc.hxx>
+#include <doc.hxx>
+#include <IDocumentTimerAccess.hxx>
+#include <IMark.hxx>
+#include <o3tl/sorted_vector.hxx>
+#include <memory>
+
+class SwTextField;
+class SwIndex;
+class SwNodeIndex;
+class SwContentFrame;
+class SwSectionNode;
+class SwSection;
+class SwTextTOXMark;
+class SwTableBox;
+class SwTextINetFormat;
+class SwFlyFrameFormat;
+class SwNode;
+struct SwPosition;
+enum class SwFieldIds : sal_uInt16;
+
+// Update expression fields
+class SetGetExpField
+{
+    // TODO: in case of multiple layouts, storing this only once isn't going to work (although already a problem for cached field value)
+    sal_uInt16 m_nPageNumber = 0;
+    SwNodeOffset m_nNode;
+    union {
+        const SwTextField* pTextField;
+        const SwSection* pSection;
+        const SwPosition* pPos;
+        const SwTextTOXMark* pTextTOX;
+        const SwTableBox* pTBox;
+        const SwTextINetFormat* pTextINet;
+        const SwFlyFrameFormat* pFlyFormat;
+        ::sw::mark::IBookmark const* pBookmark;
+    } m_CNTNT;
+    sal_Int32 m_nContent;
+    enum SetGetExpFieldType
+        {
+            TEXTFIELD, TEXTTOXMARK, SECTIONNODE, BOOKMARK, CRSRPOS, TABLEBOX,
+            TEXTINET, FLYFRAME
+        } m_eSetGetExpFieldType;
+
+public:
+    SetGetExpField( const SwNodeIndex& rNdIdx, const SwTextField* pField = nullptr,
+                    const SwIndex* pIdx = nullptr,
+                    sal_uInt16 nPageNumber = 0);
+
+    SetGetExpField( const SwNodeIndex& rNdIdx, const SwTextINetFormat& rINet );
+
+    SetGetExpField( const SwSectionNode& rSectNode,
+                    const SwPosition* pPos = nullptr,
+                    sal_uInt16 nPageNumber = 0);
+
+    SetGetExpField( ::sw::mark::IBookmark const& rBookmark,
+                    SwPosition const* pPos = nullptr,
+                    sal_uInt16 nPageNumber = 0);
+
+    SetGetExpField( const SwTableBox& rTableBox  );
+
+    SetGetExpField( const SwNodeIndex& rNdIdx, const SwTextTOXMark& rTOX );
+
+    SetGetExpField( const SwPosition& rPos );
+
+    SetGetExpField( const SwFlyFrameFormat& rFlyFormat, const SwPosition* pPos );
+
+    bool operator==( const SetGetExpField& rField ) const;
+    bool operator<( const SetGetExpField& rField ) const;
+
+    const SwTextField* GetTextField() const
+        { return TEXTFIELD == m_eSetGetExpFieldType ? m_CNTNT.pTextField : nullptr; }
+    const SwSection* GetSection() const
+        { return SECTIONNODE == m_eSetGetExpFieldType ? m_CNTNT.pSection : nullptr; }
+    ::sw::mark::IBookmark const* GetBookmark() const
+        { return BOOKMARK == m_eSetGetExpFieldType ? m_CNTNT.pBookmark : nullptr; }
+    const SwTextINetFormat* GetINetFormat() const
+        { return TEXTINET == m_eSetGetExpFieldType ? m_CNTNT.pTextINet : nullptr; }
+    const SwFlyFrameFormat* GetFlyFormat() const
+        { return FLYFRAME == m_eSetGetExpFieldType ? m_CNTNT.pFlyFormat : nullptr; }
+
+    SwNodeOffset GetNode() const { return m_nNode; }
+    sal_Int32 GetContent() const { return m_nContent; }
+    const void* GetPointer() const { return m_CNTNT.pTextField; }
+
+    void GetPosOfContent( SwPosition& rPos ) const;
+
+    const SwNode* GetNodeFromContent() const;
+    sal_Int32 GetCntPosFromContent() const;
+
+    void SetBodyPos( const SwContentFrame& rFrame );
+};
+
+class SetGetExpFields : public o3tl::sorted_vector<std::unique_ptr<SetGetExpField>, o3tl::less_uniqueptr_to<SetGetExpField> >
+{
+};
+
+// struct for saving strings from the SetExp's string fields
+struct HashStr final : public SwHash
+{
+    OUString aSetStr;
+    HashStr( const OUString& rName, const OUString& rText, HashStr* );
+};
+
+struct SwCalcFieldType final : public SwHash
+{
+    const SwFieldType* pFieldType;
+
+    SwCalcFieldType( const OUString& rStr, const SwFieldType* pFieldTyp )
+        : SwHash( rStr ), pFieldType( pFieldTyp )
+    {}
+};
+
+// search for the string that was saved under rName in the hash table
+OUString LookString( SwHashTable<HashStr> const & rTable, const OUString& rName );
+
+const int GETFLD_ALL        = 3;        // combine flags via OR
+const int GETFLD_CALC       = 1;
+const int GETFLD_EXPAND     = 2;
+
+class SwDocUpdateField
+{
+    std::unique_ptr<SetGetExpFields> m_pFieldSortList; ///< current field list for calculation
+    SwHashTable<SwCalcFieldType> m_FieldTypeTable;
+
+    SwNodeOffset m_nNodes; ///< to check if the node count changed
+    int m_nFieldListGetMode;
+    SwDoc& m_rDoc;
+
+    bool m_bInUpdateFields : 1; ///< currently in an UpdateFields call
+    bool m_bFieldsDirty : 1;    ///< some fields are invalid
+
+    void MakeFieldList_( SwDoc& pDoc, int eGetMode );
+    void GetBodyNode( const SwTextField& , SwFieldIds nFieldWhich );
+    template<typename T>
+    void GetBodyNodeGeneric(SwNode const& rNode, T const&);
+
+public:
+    SwDocUpdateField(SwDoc& rDocument);
+    ~SwDocUpdateField();
+
+    const SetGetExpFields* GetSortList() const { return m_pFieldSortList.get(); }
+
+    void MakeFieldList( SwDoc& rDoc, bool bAll, int eGetMode );
+
+    void InsDelFieldInFieldLst( bool bIns, const SwTextField& rField );
+
+    void InsertFieldType( const SwFieldType& rType );
+    void RemoveFieldType( const SwFieldType& rType );
+
+    bool IsInUpdateFields() const         { return m_bInUpdateFields; }
+    void SetInUpdateFields( bool b )      { m_bInUpdateFields = b; }
+
+    bool IsFieldsDirty() const          { return m_bFieldsDirty; }
+    void SetFieldsDirty( bool b )
+    {
+        m_bFieldsDirty = b;
+
+        if (b)
+        {
+            m_rDoc.getIDocumentTimerAccess().StartIdling();
+        }
+    }
+
+    SwHashTable<SwCalcFieldType> const& GetFieldTypeTable() const { return m_FieldTypeTable; }
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */