Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 295 insertions, 0 deletions

diff --git a/include/editeng/svxrtf.hxx b/include/editeng/svxrtf.hxx
new file mode 100644
index 000000000..e5ed1949b
--- /dev/null
+++ b/include/editeng/svxrtf.hxx
@@ -0,0 +1,295 @@
+/* -*- 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_EDITENG_SVXRTF_HXX
+#define INCLUDED_EDITENG_SVXRTF_HXX
+
+#include <svl/itemset.hxx>
+#include <svtools/parrtf.hxx>
+#include <rtl/ustring.hxx>
+#include <tools/color.hxx>
+#include <vcl/font.hxx>
+
+#include <editeng/editengdllapi.h>
+
+#include <optional>
+#include <vector>
+#include <map>
+#include <memory>
+
+struct SvxRTFStyleType;
+class SvxRTFItemStackType;
+class SvxRTFItemStackList : public std::vector<std::unique_ptr<SvxRTFItemStackType>> {};
+
+// Mapper-Classes for the various requirements on Document positions
+//        Swg - NodePosition is a SwIndex, which is used internally
+// EditEngine - ULONG to list of paragraphs
+
+class EditEngine;
+class ContentNode;
+class EditNodeIdx
+{
+public:
+    EditNodeIdx(EditEngine* pEE, ContentNode* pNd);
+    sal_Int32   GetIdx() const;
+    ContentNode* GetNode() { return mpNode; }
+private:
+    EditEngine*   mpEditEngine;
+    ContentNode*  mpNode;
+};
+
+class EditSelection;
+class EditPosition
+{
+private:
+    EditEngine*     mpEditEngine;
+    EditSelection*  mpCurSel;
+
+public:
+    EditPosition(EditEngine* pIEE, EditSelection* pSel);
+
+    sal_Int32   GetNodeIdx() const;
+    sal_Int32   GetCntIdx() const;
+
+    // clone NodeIndex
+    EditNodeIdx MakeNodeIdx() const;
+};
+
+typedef std::map<short, vcl::Font> SvxRTFFontTbl;
+
+// own helper classes for the RTF Parser
+struct SvxRTFStyleType
+{
+    SfxItemSet aAttrSet;        // the attributes of Style (+ derivated!)
+    OUString sName;
+    sal_uInt16 nBasedOn;
+    sal_uInt8 nOutlineNo;
+
+    SvxRTFStyleType(SfxItemPool& rPool, const WhichRangesContainer& pWhichRange);
+};
+
+typedef std::map<sal_uInt16, SvxRTFStyleType> SvxRTFStyleTbl;
+
+class EDITENG_DLLPUBLIC SvxRTFParser : public SvRTFParser
+{
+    std::vector<Color>    maColorTable;
+    SvxRTFFontTbl         m_FontTable;
+    SvxRTFStyleTbl        m_StyleTable;
+    std::deque< std::unique_ptr<SvxRTFItemStackType> >  aAttrStack;
+    SvxRTFItemStackList   m_AttrSetList;
+
+    std::map<sal_uInt16, sal_uInt16> aPlainMap;
+    std::map<sal_uInt16, sal_uInt16> aPardMap;
+    WhichRangesContainer aWhichMap;
+
+    std::optional<EditPosition> mxInsertPosition;
+    SfxItemPool* pAttrPool;
+    std::optional<Color>  mxDefaultColor;
+    std::optional<vcl::Font>   pDfltFont;
+    std::unique_ptr<SfxItemSet> pRTFDefaults;
+
+    int     nDfltFont;
+
+    bool    bNewDoc : 1;            // sal_False - Reading in an existing
+    bool    bNewGroup : 1;          // sal_True - there was an opening parenthesis
+    bool    bIsSetDfltTab : 1;      // sal_True - DefTab was loaded
+    bool    bChkStyleAttr : 1;      // sal_True - StyleSheets are evaluated
+    bool    bCalcValue : 1;         // sal_True - Twip values adapt to App
+    bool    bIsLeftToRightDef : 1;  // sal_True - in LeftToRight char run def.
+                                        // sal_False - in RightToLeft char run def.
+    bool    bIsInReadStyleTab : 1;  // sal_True - in ReadStyleTable
+
+    SvxRTFParser(SvxRTFParser const&) = delete;
+    void operator=(SvxRTFParser const&) = delete;
+
+    void ClearColorTbl();
+    void ClearAttrStack();
+
+    SvxRTFItemStackType* GetAttrSet_();  // Create new ItemStackType:s
+    void ClearStyleAttr_( SvxRTFItemStackType& rStkType );
+
+    // Sets all the attributes that are different from the current
+    void SetAttrSet( SvxRTFItemStackType &rSet );
+    void SetDefault( int nToken, int nValue );
+
+    // Execute pard / plain
+    void RTFPardPlain( bool bPard, SfxItemSet** ppSet );
+
+    void BuildWhichTable();
+
+    enum RTF_CharTypeDef
+    {
+        NOTDEF_CHARTYPE,
+        LOW_CHARTYPE,
+        HIGH_CHARTYPE,
+        DOUBLEBYTE_CHARTYPE
+    };
+
+        // set latin/asian/complex character attributes
+    void SetScriptAttr(
+        RTF_CharTypeDef eType, SfxItemSet& rSet, SfxPoolItem& rItem );
+
+protected:
+    virtual void InsertPara() = 0;
+
+    static void DelCharAtEnd( OUStringBuffer& rStr, const sal_Unicode cDel );
+
+    // is called for each token that is recognized in CallParser
+    virtual void NextToken( int nToken ) override;
+
+    void ReadStyleTable();
+    void ReadColorTable();
+    void ReadFontTable();
+    void ReadAttr( int nToken, SfxItemSet* pSet );
+    void ReadTabAttr( int nToken, SfxItemSet& rSet );
+
+    inline SfxItemSet& GetAttrSet();
+    // no text yet inserted? (SttPos from the top stack entry!)
+    bool IsAttrSttPos();
+    void AttrGroupEnd();        // edit the current, delete from stack
+    void SetAllAttrOfStk();     // end all Attr. and set it into doc
+
+
+    virtual void InsertText() = 0;
+    virtual void MovePos( bool bForward = true ) = 0;
+    virtual void SetEndPrevPara( std::optional<EditNodeIdx>& rpNodePos,
+                                 sal_Int32& rCntPos )=0;
+    virtual void SetAttrInDoc( SvxRTFItemStackType &rSet );
+    // for Tokens, which are not evaluated in ReadAttr
+    virtual void UnknownAttrToken( int nToken );
+
+    // if no-one would like to have any twips
+    virtual void CalcValue();
+
+    SvxRTFParser( SfxItemPool& rAttrPool, SvStream& rIn );
+    virtual ~SvxRTFParser() override;
+
+    void SetNewDoc( bool bFlag )        { bNewDoc = bFlag; }
+    bool IsChkStyleAttr() const         { return bChkStyleAttr; }
+    void SetChkStyleAttr( bool bFlag )  { bChkStyleAttr = bFlag; }
+    bool IsCalcValue() const            { return bCalcValue; }
+    void SetCalcValue( bool bFlag )     { bCalcValue = bFlag; }
+
+    // Query/Set the current insert position
+    void SetInsPos( const EditPosition& rNew );
+    SvxRTFStyleTbl& GetStyleTbl()               { return m_StyleTable; }
+
+public:
+
+    virtual SvParserState CallParser() override;
+
+    inline const Color& GetColor( size_t nId ) const;
+    const vcl::Font& GetFont( sal_uInt16 nId );      // Changes the default Font
+
+    virtual bool IsEndPara( EditNodeIdx* pNd, sal_Int32 nCnt ) const = 0;
+
+    // to set a different attribute pool. May only be done prior to CallParser!
+    // The maps are not generated anew!
+    void SetAttrPool( SfxItemPool* pNewPool )   { pAttrPool = pNewPool; }
+    // to set different WhichIds for a different pool.
+    void SetPardMap(sal_uInt16 wid, sal_uInt16 widTrue) { aPardMap[wid] = widTrue; }
+    // to be able to assign them from the outside as for example table cells
+    void ReadBorderAttr( int nToken, SfxItemSet& rSet, bool bTableDef=false );
+    void ReadBackgroundAttr( int nToken, SfxItemSet& rSet, bool bTableDef=false  );
+
+    // for asynchronous read from the SvStream
+    virtual void Continue( int nToken ) override;
+
+    // get RTF default ItemSets. Must be used by pard/plain tokens or in
+    // reset of Style-Items
+    const SfxItemSet& GetRTFDefaults();
+};
+
+// The stack for the attributes:
+// this class may only be used by SvxRTFParser!
+class SvxRTFItemStackType
+{
+    friend class SvxRTFParser;
+
+    SfxItemSet   aAttrSet;
+    std::optional<EditNodeIdx>  mxStartNodeIdx;
+    std::optional<EditNodeIdx>  mxEndNodeIdx;
+    sal_Int32    nSttCnt, nEndCnt;
+    SvxRTFItemStackList maChildList;
+    sal_uInt16   nStyleNo;
+
+    SvxRTFItemStackType(SvxRTFItemStackType const&) = delete;
+    void operator=(SvxRTFItemStackType const&) = delete;
+
+    SvxRTFItemStackType( SfxItemPool&, const WhichRangesContainer& pWhichRange,
+                            const EditPosition& );
+
+    static std::unique_ptr<SvxRTFItemStackType> createSvxRTFItemStackType(
+        SfxItemPool&, const WhichRangesContainer& pWhichRange, const EditPosition&);
+
+    void Add(std::unique_ptr<SvxRTFItemStackType>);
+    void Compress( const SvxRTFParser& );
+    void DropChildList();
+
+public:
+    SvxRTFItemStackType(const SvxRTFItemStackType&, const EditPosition&,
+                        bool bCopyAttr);
+    ~SvxRTFItemStackType();
+    //cmc, I'm very suspicious about SetStartPos, it doesn't change
+    //its children's starting position, and the implementation looks
+    //bad, consider this deprecated.
+    void SetStartPos( const EditPosition& rPos );
+
+    const EditNodeIdx& GetSttNode() const { return *mxStartNodeIdx; }
+    const EditNodeIdx& GetEndNode() const { return *mxEndNodeIdx; }
+
+    sal_Int32 GetSttCnt() const { return nSttCnt; }
+    sal_Int32 GetEndCnt() const { return nEndCnt; }
+
+          SfxItemSet& GetAttrSet()          { return aAttrSet; }
+    const SfxItemSet& GetAttrSet() const    { return aAttrSet; }
+
+    sal_uInt16 StyleNo() const  { return nStyleNo; }
+
+    void SetRTFDefaults( const SfxItemSet& rDefaults );
+};
+
+
+// ----------- Inline Implementations --------------
+
+inline const Color& SvxRTFParser::GetColor( size_t nId ) const
+{
+    if( nId < maColorTable.size() )
+        return maColorTable[ nId ];
+    return *mxDefaultColor;
+}
+
+inline SfxItemSet& SvxRTFParser::GetAttrSet()
+{
+    SvxRTFItemStackType* pTmp;
+    if( bNewGroup || aAttrStack.empty() )
+        pTmp = GetAttrSet_();
+    else
+    {
+        pTmp = aAttrStack.back().get();
+        if ( pTmp == nullptr )
+            pTmp = GetAttrSet_();
+    }
+    return pTmp->aAttrSet;
+}
+
+
+#endif // INCLUDED_EDITENG_SVXRTF_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */