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| -rw-r--r-- | include/editeng/svxrtf.hxx | 295 |
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: */ |