diff options
Diffstat (limited to 'editeng/source/rtf/svxrtf.cxx')
| -rw-r--r-- | editeng/source/rtf/svxrtf.cxx | 1162 |
1 files changed, 1162 insertions, 0 deletions
diff --git a/editeng/source/rtf/svxrtf.cxx b/editeng/source/rtf/svxrtf.cxx new file mode 100644 index 0000000000..1ef6f30b40 --- /dev/null +++ b/editeng/source/rtf/svxrtf.cxx @@ -0,0 +1,1162 @@ +/* -*- 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 . + */ + +#include <memory> +#include <queue> +#include <comphelper/diagnose_ex.hxx> +#include <rtl/tencinfo.h> +#include <svl/itemiter.hxx> +#include <svl/whiter.hxx> +#include <svtools/rtftoken.h> +#include <svl/itempool.hxx> +#include <i18nlangtag/languagetag.hxx> +#include <tools/debug.hxx> +#include <unotools/configmgr.hxx> + +#include <comphelper/string.hxx> + +#include <editeng/scriptspaceitem.hxx> +#include <editeng/fontitem.hxx> +#include <editeng/svxrtf.hxx> +#include <editeng/editids.hrc> +#include <vcl/font.hxx> +#include <vcl/svapp.hxx> +#include <vcl/settings.hxx> + + +using namespace ::com::sun::star; + + +static rtl_TextEncoding lcl_GetDefaultTextEncodingForRTF() +{ + + OUString aLangString( Application::GetSettings().GetLanguageTag().getLanguage()); + + if ( aLangString == "ru" || aLangString == "uk" ) + return RTL_TEXTENCODING_MS_1251; + if ( aLangString == "tr" ) + return RTL_TEXTENCODING_MS_1254; + else + return RTL_TEXTENCODING_MS_1252; +} + +// -------------- Methods -------------------- + +SvxRTFParser::SvxRTFParser( SfxItemPool& rPool, SvStream& rIn ) + : SvRTFParser( rIn, 5 ) + , pAttrPool( &rPool ) + , nDfltFont( 0) + , bNewDoc( true ) + , bNewGroup( false) + , bIsSetDfltTab( false) + , bChkStyleAttr( false ) + , bCalcValue( false ) + , bIsLeftToRightDef( true) + , bIsInReadStyleTab( false) +{ + pDfltFont.emplace(); + mxDefaultColor = Color(); + + // generate the correct WhichId table from the set WhichIds. + BuildWhichTable(); +} + +SvxRTFParser::~SvxRTFParser() +{ + if( !aAttrStack.empty() ) + ClearAttrStack(); +} + +void SvxRTFParser::SetInsPos( const EditPosition& rNew ) +{ + mxInsertPosition = rNew; +} + +SvParserState SvxRTFParser::CallParser() +{ + DBG_ASSERT( mxInsertPosition, "no insertion position"); + + if( !mxInsertPosition ) + return SvParserState::Error; + + if( !maColorTable.empty() ) + ClearColorTbl(); + m_FontTable.clear(); + m_StyleTable.clear(); + if( !aAttrStack.empty() ) + ClearAttrStack(); + + bIsSetDfltTab = false; + bNewGroup = false; + nDfltFont = 0; + + return SvRTFParser::CallParser(); +} + +void SvxRTFParser::Continue( int nToken ) +{ + SvRTFParser::Continue( nToken ); + + SvParserState eStatus = GetStatus(); + if (eStatus != SvParserState::Pending && eStatus != SvParserState::Error) + { + SetAllAttrOfStk(); + //Regardless of what "color 0" is, word defaults to auto as the default colour. + //e.g. see #i7713# + } +} + + +// is called for each token that is recognized in CallParser +void SvxRTFParser::NextToken( int nToken ) +{ + sal_Unicode cCh; + switch( nToken ) + { + case RTF_COLORTBL: ReadColorTable(); break; + case RTF_FONTTBL: ReadFontTable(); break; + case RTF_STYLESHEET: ReadStyleTable(); break; + + case RTF_DEFF: + if( bNewDoc ) + { + if (!m_FontTable.empty()) + // Can immediately be set + SetDefault( nToken, nTokenValue ); + else + // is set after reading the font table + nDfltFont = int(nTokenValue); + } + break; + + case RTF_DEFTAB: + case RTF_DEFLANG: + if( bNewDoc ) + SetDefault( nToken, nTokenValue ); + break; + + + case RTF_PICT: ReadBitmapData(); break; + + case RTF_LINE: cCh = '\n'; goto INSINGLECHAR; + case RTF_TAB: cCh = '\t'; goto INSINGLECHAR; + case RTF_SUBENTRYINDEX: cCh = ':'; goto INSINGLECHAR; + + case RTF_EMDASH: cCh = 0x2014; goto INSINGLECHAR; + case RTF_ENDASH: cCh = 0x2013; goto INSINGLECHAR; + case RTF_BULLET: cCh = 0x2022; goto INSINGLECHAR; + case RTF_LQUOTE: cCh = 0x2018; goto INSINGLECHAR; + case RTF_RQUOTE: cCh = 0x2019; goto INSINGLECHAR; + case RTF_LDBLQUOTE: cCh = 0x201C; goto INSINGLECHAR; + case RTF_RDBLQUOTE: cCh = 0x201D; goto INSINGLECHAR; +INSINGLECHAR: + aToken = OUStringChar(cCh); + [[fallthrough]]; // aToken is set as Text + case RTF_TEXTTOKEN: + { + InsertText(); + // all collected Attributes are set + for (size_t n = m_AttrSetList.size(); n; ) + { + auto const& pStkSet = m_AttrSetList[--n]; + SetAttrSet( *pStkSet ); + m_AttrSetList.pop_back(); + } + } + break; + + + case RTF_PAR: + InsertPara(); + break; + case '{': + if (bNewGroup) // Nesting! + GetAttrSet_(); + bNewGroup = true; + break; + case '}': + if( !bNewGroup ) // Empty Group ?? + AttrGroupEnd(); + bNewGroup = false; + break; + case RTF_INFO: + SkipGroup(); + break; + + // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + // First overwrite all (all have to be in one group!!) + // Could also appear in the RTF-file without the IGNORE-Flag; all Groups + // with the IGNORE-Flag are overwritten in the default branch. + + case RTF_SWG_PRTDATA: + case RTF_FIELD: + case RTF_ATNID: + case RTF_ANNOTATION: + + case RTF_BKMKSTART: + case RTF_BKMKEND: + case RTF_BKMK_KEY: + case RTF_XE: + case RTF_TC: + case RTF_NEXTFILE: + case RTF_TEMPLATE: + // RTF_SHPRSLT disabled for #i19718# + SkipGroup(); + break; + // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + + case RTF_PGDSCNO: + case RTF_PGBRK: + case RTF_SHADOW: + if( RTF_IGNOREFLAG != GetStackPtr( -1 )->nTokenId ) + break; + nToken = SkipToken(); + if( '{' == GetStackPtr( -1 )->nTokenId ) + nToken = SkipToken(); + + ReadAttr( nToken, &GetAttrSet() ); + break; + + default: + switch( nToken & ~(0xff | RTF_SWGDEFS) ) + { + case RTF_PARFMT: // here are no SWGDEFS + ReadAttr( nToken, &GetAttrSet() ); + break; + + case RTF_CHRFMT: + case RTF_BRDRDEF: + case RTF_TABSTOPDEF: + + if( RTF_SWGDEFS & nToken) + { + if( RTF_IGNOREFLAG != GetStackPtr( -1 )->nTokenId ) + break; + nToken = SkipToken(); + if( '{' == GetStackPtr( -1 )->nTokenId ) + { + nToken = SkipToken(); + } + } + ReadAttr( nToken, &GetAttrSet() ); + break; + default: + { + if( RTF_IGNOREFLAG == GetStackPtr( -1 )->nTokenId && + '{' == GetStackPtr( -2 )->nTokenId ) + SkipGroup(); + } + break; + } + break; + } +} + +void SvxRTFParser::ReadStyleTable() +{ + int bSaveChkStyleAttr = bChkStyleAttr ? 1 : 0; + sal_uInt16 nStyleNo = 0; + bool bHasStyleNo = false; + int _nOpenBrackets = 1; // the first was already detected earlier!! + std::optional<SvxRTFStyleType> xStyle(SvxRTFStyleType(*pAttrPool, aWhichMap)); + xStyle->aAttrSet.Put( GetRTFDefaults() ); + + bIsInReadStyleTab = true; + bChkStyleAttr = false; // Do not check Attribute against the Styles + + while( _nOpenBrackets && IsParserWorking() ) + { + int nToken = GetNextToken(); + switch( nToken ) + { + case '}': if( --_nOpenBrackets && IsParserWorking() ) + // Style has been completely read, + // so this is still a stable status + SaveState( RTF_STYLESHEET ); + break; + case '{': + { + if( RTF_IGNOREFLAG != GetNextToken() ) + SkipToken(); + else if( RTF_UNKNOWNCONTROL != ( nToken = GetNextToken() ) && + RTF_PN != nToken ) + SkipToken( -2 ); + else + { + // filter out at once + ReadUnknownData(); + nToken = GetNextToken(); + if( '}' != nToken ) + eState = SvParserState::Error; + break; + } + ++_nOpenBrackets; + } + break; + + case RTF_SBASEDON: xStyle->nBasedOn = sal_uInt16(nTokenValue); break; + case RTF_SNEXT: break; + case RTF_OUTLINELEVEL: + case RTF_SOUTLVL: xStyle->nOutlineNo = sal_uInt8(nTokenValue); break; + case RTF_S: nStyleNo = static_cast<short>(nTokenValue); + bHasStyleNo = true; + break; + case RTF_CS: nStyleNo = static_cast<short>(nTokenValue); + bHasStyleNo = true; + break; + + case RTF_TEXTTOKEN: + if (bHasStyleNo) + { + DelCharAtEnd( aToken, ';' ); + xStyle->sName = aToken.toString(); + + if (!m_StyleTable.empty()) + { + m_StyleTable.erase(nStyleNo); + } + // All data from the font is available, so off to the table + m_StyleTable.emplace(nStyleNo, std::move(*xStyle)); + xStyle.emplace(*pAttrPool, aWhichMap); + xStyle->aAttrSet.Put( GetRTFDefaults() ); + nStyleNo = 0; + bHasStyleNo = false; + } + break; + default: + switch( nToken & ~(0xff | RTF_SWGDEFS) ) + { + case RTF_PARFMT: // here are no SWGDEFS + ReadAttr( nToken, &xStyle->aAttrSet ); + break; + + case RTF_CHRFMT: + case RTF_BRDRDEF: + case RTF_TABSTOPDEF: +#ifndef NDEBUG + auto nEnteringToken = nToken; +#endif + auto nEnteringIndex = m_nTokenIndex; + int nSkippedTokens = 0; + if( RTF_SWGDEFS & nToken) + { + if( RTF_IGNOREFLAG != GetStackPtr( -1 )->nTokenId ) + break; + nToken = SkipToken(); + ++nSkippedTokens; + if( '{' == GetStackPtr( -1 )->nTokenId ) + { + nToken = SkipToken(); + ++nSkippedTokens; + } + } + ReadAttr( nToken, &xStyle->aAttrSet ); + if (nSkippedTokens && m_nTokenIndex == nEnteringIndex - nSkippedTokens) + { + // we called SkipToken to go back one or two, but ReadAttrs + // read nothing, so on next loop of the outer while we + // would end up in the same state again (assert that) + assert(nEnteringToken == GetNextToken()); + // and loop endlessly, skip format a token + // instead to avoid that + SkipToken(nSkippedTokens); + } + break; + } + break; + } + } + xStyle.reset(); // Delete the Last Style + SkipToken(); // the closing brace is evaluated "above" + + // Flag back to old state + bChkStyleAttr = bSaveChkStyleAttr; + bIsInReadStyleTab = false; +} + +void SvxRTFParser::ReadColorTable() +{ + int nToken; + sal_uInt8 nRed = 0xff, nGreen = 0xff, nBlue = 0xff; + + for (;;) + { + nToken = GetNextToken(); + if ( '}' == nToken || !IsParserWorking() ) + break; + switch( nToken ) + { + case RTF_RED: nRed = sal_uInt8(nTokenValue); break; + case RTF_GREEN: nGreen = sal_uInt8(nTokenValue); break; + case RTF_BLUE: nBlue = sal_uInt8(nTokenValue); break; + + case RTF_TEXTTOKEN: + if( 1 == aToken.getLength() + ? aToken[ 0 ] != ';' + : -1 == aToken.indexOf( ";" ) ) + break; // At least the ';' must be found + + [[fallthrough]]; + + case ';': + if( IsParserWorking() ) + { + // one color is finished, fill in the table + // try to map the values to SV internal names + Color aColor( nRed, nGreen, nBlue ); + if( maColorTable.empty() && + sal_uInt8(-1) == nRed && sal_uInt8(-1) == nGreen && sal_uInt8(-1) == nBlue ) + aColor = COL_AUTO; + maColorTable.push_back( aColor ); + nRed = 0; + nGreen = 0; + nBlue = 0; + + // Color has been completely read, + // so this is still a stable status + SaveState( RTF_COLORTBL ); + } + break; + } + } + SkipToken(); // the closing brace is evaluated "above" +} + +void SvxRTFParser::ReadFontTable() +{ + int _nOpenBrackets = 1; // the first was already detected earlier!! + vcl::Font aFont; + short nFontNo(0), nInsFontNo (0); + OUString sAltNm, sFntNm; + bool bIsAltFntNm = false; + + rtl_TextEncoding nSystemChar = lcl_GetDefaultTextEncodingForRTF(); + aFont.SetCharSet( nSystemChar ); + SetEncoding( nSystemChar ); + + while( _nOpenBrackets && IsParserWorking() ) + { + bool bCheckNewFont = false; + int nToken = GetNextToken(); + switch( nToken ) + { + case '}': + bIsAltFntNm = false; + // Style has been completely read, + // so this is still a stable status + if( --_nOpenBrackets <= 1 && IsParserWorking() ) + SaveState( RTF_FONTTBL ); + bCheckNewFont = true; + nInsFontNo = nFontNo; + break; + case '{': + if( RTF_IGNOREFLAG != GetNextToken() ) + SkipToken(); + // immediately skip unknown and all known but non-evaluated + // groups + else if( RTF_UNKNOWNCONTROL != ( nToken = GetNextToken() ) && + RTF_PANOSE != nToken && RTF_FNAME != nToken && + RTF_FONTEMB != nToken && RTF_FONTFILE != nToken ) + SkipToken( -2 ); + else + { + // filter out at once + ReadUnknownData(); + nToken = GetNextToken(); + if( '}' != nToken ) + eState = SvParserState::Error; + break; + } + ++_nOpenBrackets; + break; + case RTF_FROMAN: + aFont.SetFamily( FAMILY_ROMAN ); + break; + case RTF_FSWISS: + aFont.SetFamily( FAMILY_SWISS ); + break; + case RTF_FMODERN: + aFont.SetFamily( FAMILY_MODERN ); + break; + case RTF_FSCRIPT: + aFont.SetFamily( FAMILY_SCRIPT ); + break; + case RTF_FDECOR: + aFont.SetFamily( FAMILY_DECORATIVE ); + break; + // for technical/symbolic font of the rtl_TextEncoding is changed! + case RTF_FTECH: + aFont.SetCharSet( RTL_TEXTENCODING_SYMBOL ); + [[fallthrough]]; + case RTF_FNIL: + aFont.SetFamily( FAMILY_DONTKNOW ); + break; + case RTF_FCHARSET: + if (-1 != nTokenValue) + { + rtl_TextEncoding nrtl_TextEncoding = rtl_getTextEncodingFromWindowsCharset( + static_cast<sal_uInt8>(nTokenValue)); + aFont.SetCharSet(nrtl_TextEncoding); + //When we're in a font, the fontname is in the font + //charset, except for symbol fonts I believe + if (nrtl_TextEncoding == RTL_TEXTENCODING_SYMBOL) + nrtl_TextEncoding = RTL_TEXTENCODING_DONTKNOW; + SetEncoding(nrtl_TextEncoding); + } + break; + case RTF_FPRQ: + switch( nTokenValue ) + { + case 1: + aFont.SetPitch( PITCH_FIXED ); + break; + case 2: + aFont.SetPitch( PITCH_VARIABLE ); + break; + } + break; + case RTF_F: + bCheckNewFont = true; + nInsFontNo = nFontNo; + nFontNo = static_cast<short>(nTokenValue); + break; + case RTF_FALT: + bIsAltFntNm = true; + break; + case RTF_TEXTTOKEN: + DelCharAtEnd( aToken, ';' ); + if ( !aToken.isEmpty() ) + { + if( bIsAltFntNm ) + sAltNm = aToken; + else + sFntNm = aToken; + } + break; + } + + if( bCheckNewFont && 1 >= _nOpenBrackets && !sFntNm.isEmpty() ) // one font is ready + { + // All data from the font is available, so off to the table + if (!sAltNm.isEmpty()) + sFntNm += ";" + sAltNm; + + aFont.SetFamilyName( sFntNm ); + m_FontTable.insert(std::make_pair(nInsFontNo, aFont)); + aFont = vcl::Font(); + aFont.SetCharSet( nSystemChar ); + sAltNm.clear(); + sFntNm.clear(); + } + } + SkipToken(); // the closing brace is evaluated "above" + + // set the default font in the Document + if( bNewDoc && IsParserWorking() ) + SetDefault( RTF_DEFF, nDfltFont ); +} + +void SvxRTFParser::ClearColorTbl() +{ + maColorTable.clear(); +} + +void SvxRTFParser::ClearAttrStack() +{ + aAttrStack.clear(); +} + +void SvxRTFParser::DelCharAtEnd( OUStringBuffer& rStr, const sal_Unicode cDel ) +{ + rStr.strip(' '); + if( !rStr.isEmpty() && cDel == rStr[ rStr.getLength()-1 ]) + rStr.setLength( rStr.getLength()-1 ); +} + + +const vcl::Font& SvxRTFParser::GetFont( sal_uInt16 nId ) +{ + SvxRTFFontTbl::const_iterator it = m_FontTable.find( nId ); + if (it != m_FontTable.end()) + { + return it->second; + } + const SvxFontItem& rDfltFont = + pAttrPool->GetDefaultItem(aPlainMap[SID_ATTR_CHAR_FONT]); + pDfltFont->SetFamilyName( rDfltFont.GetStyleName() ); + pDfltFont->SetFamily( rDfltFont.GetFamily() ); + return *pDfltFont; +} + +std::unique_ptr<SvxRTFItemStackType> SvxRTFItemStackType::createSvxRTFItemStackType( + SfxItemPool& rPool, const WhichRangesContainer& pWhichRange, const EditPosition& rEditPosition) +{ + struct MakeUniqueEnabler : public SvxRTFItemStackType + { + MakeUniqueEnabler(SfxItemPool& rPool, const WhichRangesContainer& pWhichRange, const EditPosition& rEditPosition) + : SvxRTFItemStackType(rPool, pWhichRange, rEditPosition) + { + } + }; + return std::make_unique<MakeUniqueEnabler>(rPool, pWhichRange, rEditPosition); +} + +SvxRTFItemStackType* SvxRTFParser::GetAttrSet_() +{ + SvxRTFItemStackType* pCurrent = aAttrStack.empty() ? nullptr : aAttrStack.back().get(); + std::unique_ptr<SvxRTFItemStackType> xNew; + if( pCurrent ) + xNew = std::make_unique<SvxRTFItemStackType>(*pCurrent, *mxInsertPosition, false/*bCopyAttr*/); + else + xNew = SvxRTFItemStackType::createSvxRTFItemStackType(*pAttrPool, aWhichMap, *mxInsertPosition); + xNew->SetRTFDefaults( GetRTFDefaults() ); + + aAttrStack.push_back( std::move(xNew) ); + + if (aAttrStack.size() > 96 && utl::ConfigManager::IsFuzzing()) + throw std::range_error("ecStackOverflow"); + + bNewGroup = false; + return aAttrStack.back().get(); +} + +void SvxRTFParser::ClearStyleAttr_( SvxRTFItemStackType& rStkType ) +{ + // check attributes to the attributes of the stylesheet or to + // the default attrs of the document + SfxItemSet &rSet = rStkType.GetAttrSet(); + const SfxItemPool& rPool = *rSet.GetPool(); + const SfxPoolItem* pItem; + SfxWhichIter aIter( rSet ); + + if( !IsChkStyleAttr() || + !rStkType.GetAttrSet().Count() || + m_StyleTable.count( rStkType.nStyleNo ) == 0 ) + { + for( sal_uInt16 nWhich = aIter.GetCurWhich(); nWhich; nWhich = aIter.NextWhich() ) + { + if (SfxItemPool::IsWhich(nWhich) && + SfxItemState::SET == aIter.GetItemState( false, &pItem ) && + rPool.GetDefaultItem( nWhich ) == *pItem ) + aIter.ClearItem(); // delete + } + } + else + { + // Delete all Attributes, which are already defined in the Style, + // from the current AttrSet. + auto & rStyle = m_StyleTable.find(rStkType.nStyleNo)->second; + SfxItemSet &rStyleSet = rStyle.aAttrSet; + const SfxPoolItem* pSItem; + for( sal_uInt16 nWhich = aIter.GetCurWhich(); nWhich; nWhich = aIter.NextWhich() ) + { + if( SfxItemState::SET == rStyleSet.GetItemState( nWhich, true, &pSItem )) + { + if( SfxItemState::SET == aIter.GetItemState( false, &pItem ) + && *pItem == *pSItem ) + rSet.ClearItem( nWhich ); // delete + } + else if (SfxItemPool::IsWhich(nWhich) && + SfxItemState::SET == aIter.GetItemState( false, &pItem ) && + rPool.GetDefaultItem( nWhich ) == *pItem ) + rSet.ClearItem( nWhich ); // delete + } + } +} + +void SvxRTFParser::AttrGroupEnd() // process the current, delete from Stack +{ + if( aAttrStack.empty() ) + return; + + std::unique_ptr<SvxRTFItemStackType> pOld = std::move(aAttrStack.back()); + aAttrStack.pop_back(); + SvxRTFItemStackType *pCurrent = aAttrStack.empty() ? nullptr : aAttrStack.back().get(); + + do { // middle check loop + sal_Int32 nOldSttNdIdx = pOld->mxStartNodeIdx->GetIdx(); + if (pOld->maChildList.empty() && + ((!pOld->aAttrSet.Count() && !pOld->nStyleNo ) || + (nOldSttNdIdx == mxInsertPosition->GetNodeIdx() && + pOld->nSttCnt == mxInsertPosition->GetCntIdx() ))) + break; // no attributes or Area + + // set only the attributes that are different from the parent + if( pCurrent && pOld->aAttrSet.Count() ) + { + SfxItemIter aIter( pOld->aAttrSet ); + const SfxPoolItem* pItem = aIter.GetCurItem(), *pGet; + do + { + if( SfxItemState::SET == pCurrent->aAttrSet.GetItemState( + pItem->Which(), false, &pGet ) && + *pItem == *pGet ) + aIter.ClearItem(); + + pItem = aIter.NextItem(); + } while (pItem); + + if (!pOld->aAttrSet.Count() && pOld->maChildList.empty() && + !pOld->nStyleNo ) + break; + } + + // Set all attributes which have been defined from start until here + bool bCrsrBack = !mxInsertPosition->GetCntIdx(); + if( bCrsrBack ) + { + // at the beginning of a paragraph? Move back one position + sal_Int32 nNd = mxInsertPosition->GetNodeIdx(); + MovePos(false); + // if can not move backward then later don't move forward ! + bCrsrBack = nNd != mxInsertPosition->GetNodeIdx(); + } + + if( pOld->mxStartNodeIdx->GetIdx() < mxInsertPosition->GetNodeIdx() || + ( pOld->mxStartNodeIdx->GetIdx() == mxInsertPosition->GetNodeIdx() && + pOld->nSttCnt <= mxInsertPosition->GetCntIdx() ) ) + { + if( !bCrsrBack ) + { + // all pard attributes are only valid until the previous + // paragraph !! + if( nOldSttNdIdx == mxInsertPosition->GetNodeIdx() ) + { + } + else + { + // Now it gets complicated: + // - all character attributes sre keep the area + // - all paragraph attributes to get the area + // up to the previous paragraph + auto xNew = std::make_unique<SvxRTFItemStackType>(*pOld, *mxInsertPosition, true); + xNew->aAttrSet.SetParent( pOld->aAttrSet.GetParent() ); + + // Delete all paragraph attributes from xNew + for (const auto& pair : aPardMap.data) + if (sal_uInt16 wid = pair.second) + xNew->aAttrSet.ClearItem(wid); + xNew->SetRTFDefaults( GetRTFDefaults() ); + + // Were there any? + if( xNew->aAttrSet.Count() == pOld->aAttrSet.Count() ) + { + xNew.reset(); + } + else + { + xNew->nStyleNo = 0; + + // Now span the real area of xNew from old + SetEndPrevPara( pOld->mxEndNodeIdx, pOld->nEndCnt ); + xNew->nSttCnt = 0; + + if( IsChkStyleAttr() ) + { + ClearStyleAttr_( *pOld ); + ClearStyleAttr_( *xNew ); //#i10381#, methinks. + } + + if( pCurrent ) + { + pCurrent->Add(std::move(pOld)); + pCurrent->Add(std::move(xNew)); + } + else + { + // Last off the stack, thus cache it until the next text was + // read. (Span no attributes!) + + m_AttrSetList.push_back(std::move(pOld)); + m_AttrSetList.push_back(std::move(xNew)); + } + break; + } + } + } + + pOld->mxEndNodeIdx = mxInsertPosition->MakeNodeIdx(); + pOld->nEndCnt = mxInsertPosition->GetCntIdx(); + + /* + #i21422# + If the parent (pCurrent) sets something e.g. , and the child (pOld) + unsets it and the style both are based on has it unset then + clearing the pOld by looking at the style is clearly a disaster + as the text ends up with pCurrents bold and not pOlds no bold, this + should be rethought out. For the moment its safest to just do + the clean if we have no parent, all we suffer is too many + redundant properties. + */ + if (IsChkStyleAttr() && !pCurrent) + ClearStyleAttr_( *pOld ); + + if( pCurrent ) + { + pCurrent->Add(std::move(pOld)); + // split up and create new entry, because it makes no sense + // to create a "so long" depend list. Bug 95010 + if (bCrsrBack && 50 < pCurrent->maChildList.size()) + { + // at the beginning of a paragraph? Move back one position + MovePos(); + bCrsrBack = false; + + // Open a new Group. + auto xNew(std::make_unique<SvxRTFItemStackType>(*pCurrent, *mxInsertPosition, true)); + xNew->SetRTFDefaults( GetRTFDefaults() ); + + // Set all until here valid Attributes + AttrGroupEnd(); + pCurrent = aAttrStack.empty() ? nullptr : aAttrStack.back().get(); // can be changed after AttrGroupEnd! + xNew->aAttrSet.SetParent( pCurrent ? &pCurrent->aAttrSet : nullptr ); + aAttrStack.push_back( std::move(xNew) ); + } + } + else + // Last off the stack, thus cache it until the next text was + // read. (Span no attributes!) + m_AttrSetList.push_back(std::move(pOld)); + } + + if( bCrsrBack ) + // at the beginning of a paragraph? Move back one position + MovePos(); + + } while( false ); + + bNewGroup = false; +} + +void SvxRTFParser::SetAllAttrOfStk() // end all Attr. and set it into doc +{ + // repeat until all attributes will be taken from stack + while( !aAttrStack.empty() ) + AttrGroupEnd(); + + for (size_t n = m_AttrSetList.size(); n; ) + { + auto const& pStkSet = m_AttrSetList[--n]; + SetAttrSet( *pStkSet ); + pStkSet->DropChildList(); + m_AttrSetList.pop_back(); + } +} + +// sets all the attributes that are different from the current +void SvxRTFParser::SetAttrSet( SvxRTFItemStackType &rSet ) +{ + // Was DefTab never read? then set to default + if( !bIsSetDfltTab ) + SetDefault( RTF_DEFTAB, 720 ); + + if (!rSet.maChildList.empty()) + rSet.Compress( *this ); + if( rSet.aAttrSet.Count() || rSet.nStyleNo ) + SetAttrInDoc( rSet ); + + // then process all the children + for (size_t n = 0; n < rSet.maChildList.size(); ++n) + SetAttrSet( *(rSet.maChildList[ n ]) ); +} + +// Has no text been inserted yet? (SttPos from the top Stack entry!) +bool SvxRTFParser::IsAttrSttPos() +{ + SvxRTFItemStackType* pCurrent = aAttrStack.empty() ? nullptr : aAttrStack.back().get(); + return !pCurrent || (pCurrent->mxStartNodeIdx->GetIdx() == mxInsertPosition->GetNodeIdx() && + pCurrent->nSttCnt == mxInsertPosition->GetCntIdx()); +} + + +void SvxRTFParser::SetAttrInDoc( SvxRTFItemStackType & ) +{ +} + +void SvxRTFParser::BuildWhichTable() +{ + aWhichMap.reset(); + + // Here are the IDs for all paragraph attributes, which can be detected by + // SvxParser and can be set in a SfxItemSet. The IDs are set correctly through + // the SlotIds from POOL. + static constexpr sal_uInt16 WIDS1[] { + SID_ATTR_PARA_LINESPACE, + SID_ATTR_PARA_ADJUST, + SID_ATTR_TABSTOP, + SID_ATTR_PARA_HYPHENZONE, + SID_ATTR_LRSPACE, + SID_ATTR_ULSPACE, + SID_ATTR_BRUSH, + SID_ATTR_BORDER_OUTER, + SID_ATTR_BORDER_SHADOW, + SID_ATTR_PARA_OUTLLEVEL, + SID_ATTR_PARA_SPLIT, + SID_ATTR_PARA_KEEP, + SID_PARA_VERTALIGN, + SID_ATTR_PARA_SCRIPTSPACE, + SID_ATTR_PARA_HANGPUNCTUATION, + SID_ATTR_PARA_FORBIDDEN_RULES, + SID_ATTR_FRAMEDIRECTION, + }; + for (sal_uInt16 nWid : WIDS1) + { + sal_uInt16 nTrueWid = pAttrPool->GetTrueWhich(nWid, false); + aPardMap.data[nWid] = nTrueWid; + if (nTrueWid == 0) + continue; + aWhichMap = aWhichMap.MergeRange(nTrueWid, nTrueWid); + } + + // Here are the IDs for all character attributes, which can be detected by + // SvxParser and can be set in a SfxItemSet. The IDs are set correctly through + // the SlotIds from POOL. + static constexpr sal_uInt16 WIDS[] { + SID_ATTR_CHAR_CASEMAP, SID_ATTR_BRUSH_CHAR, SID_ATTR_CHAR_COLOR, + SID_ATTR_CHAR_CONTOUR, SID_ATTR_CHAR_STRIKEOUT, SID_ATTR_CHAR_ESCAPEMENT, + SID_ATTR_CHAR_FONT, SID_ATTR_CHAR_FONTHEIGHT, SID_ATTR_CHAR_KERNING, + SID_ATTR_CHAR_LANGUAGE, SID_ATTR_CHAR_POSTURE, SID_ATTR_CHAR_SHADOWED, + SID_ATTR_CHAR_UNDERLINE, SID_ATTR_CHAR_OVERLINE, SID_ATTR_CHAR_WEIGHT, + SID_ATTR_CHAR_WORDLINEMODE, SID_ATTR_CHAR_AUTOKERN, SID_ATTR_CHAR_CJK_FONT, + SID_ATTR_CHAR_CJK_FONTHEIGHT, sal_uInt16(SID_ATTR_CHAR_CJK_LANGUAGE), SID_ATTR_CHAR_CJK_POSTURE, + SID_ATTR_CHAR_CJK_WEIGHT, SID_ATTR_CHAR_CTL_FONT, SID_ATTR_CHAR_CTL_FONTHEIGHT, + SID_ATTR_CHAR_CTL_LANGUAGE, SID_ATTR_CHAR_CTL_POSTURE, SID_ATTR_CHAR_CTL_WEIGHT, + SID_ATTR_CHAR_EMPHASISMARK, SID_ATTR_CHAR_TWO_LINES, SID_ATTR_CHAR_SCALEWIDTH, + SID_ATTR_CHAR_ROTATED, SID_ATTR_CHAR_RELIEF, SID_ATTR_CHAR_HIDDEN, + }; + for (sal_uInt16 nWid : WIDS) + { + sal_uInt16 nTrueWid = pAttrPool->GetTrueWhich(nWid, false); + aPlainMap.data[nWid] = nTrueWid; + if (nTrueWid == 0) + continue; + aWhichMap = aWhichMap.MergeRange(nTrueWid, nTrueWid); + } +} + +const SfxItemSet& SvxRTFParser::GetRTFDefaults() +{ + if( !pRTFDefaults ) + { + pRTFDefaults.reset(new SfxItemSet(*pAttrPool, aWhichMap)); + if (const sal_uInt16 nId = aPardMap[SID_ATTR_PARA_SCRIPTSPACE]) + { + SvxScriptSpaceItem aItem( false, nId ); + if( bNewDoc ) + pAttrPool->SetPoolDefaultItem( aItem ); + else + pRTFDefaults->Put( aItem ); + } + } + return *pRTFDefaults; +} + + +SvxRTFStyleType::SvxRTFStyleType(SfxItemPool& rPool, const WhichRangesContainer& pWhichRange) + : aAttrSet(rPool, pWhichRange) + , nBasedOn(0) + , nOutlineNo(sal_uInt8(-1)) // not set +{ +} + +SvxRTFItemStackType::SvxRTFItemStackType( + SfxItemPool& rPool, const WhichRangesContainer& pWhichRange, + const EditPosition& rPos ) + : aAttrSet( rPool, pWhichRange ) + , mxStartNodeIdx(rPos.MakeNodeIdx()) +#if !defined(__COVERITY__) + // coverity 2020 has difficulty wrt std::optional leading to bogus 'Uninitialized scalar variable' + , mxEndNodeIdx(mxStartNodeIdx) +#endif + , nSttCnt(rPos.GetCntIdx()) + , nEndCnt(nSttCnt) + , nStyleNo(0) +{ +} + +SvxRTFItemStackType::SvxRTFItemStackType( + const SvxRTFItemStackType& rCpy, + const EditPosition& rPos, + bool const bCopyAttr ) + : aAttrSet( *rCpy.aAttrSet.GetPool(), rCpy.aAttrSet.GetRanges() ) + , mxStartNodeIdx(rPos.MakeNodeIdx()) +#if !defined(__COVERITY__) + // coverity 2020 has difficulty wrt std::optional leading to bogus 'Uninitialized scalar variable' + , mxEndNodeIdx(mxStartNodeIdx) +#endif + , nSttCnt(rPos.GetCntIdx()) + , nEndCnt(nSttCnt) + , nStyleNo(rCpy.nStyleNo) +{ + aAttrSet.SetParent( &rCpy.aAttrSet ); + if( bCopyAttr ) + aAttrSet.Put( rCpy.aAttrSet ); +} + +/* ofz#13491 SvxRTFItemStackType dtor recursively + calls the dtor of its m_pChildList. The recurse + depth can grow sufficiently to trigger asan. + + So breadth-first iterate through the nodes + and make a flat vector of them which can + be iterated through in order of most + distant from root first and release + their children linearly +*/ +void SvxRTFItemStackType::DropChildList() +{ + if (maChildList.empty()) + return; + + std::vector<SvxRTFItemStackType*> bfs; + std::queue<SvxRTFItemStackType*> aQueue; + aQueue.push(this); + + while (!aQueue.empty()) + { + auto* front = aQueue.front(); + aQueue.pop(); + if (!front->maChildList.empty()) + { + for (const auto& a : front->maChildList) + aQueue.push(a.get()); + bfs.push_back(front); + } + } + + for (auto it = bfs.rbegin(); it != bfs.rend(); ++it) + { + SvxRTFItemStackType* pNode = *it; + pNode->maChildList.clear(); + } +} + +SvxRTFItemStackType::~SvxRTFItemStackType() +{ +} + +void SvxRTFItemStackType::Add(std::unique_ptr<SvxRTFItemStackType> pIns) +{ + maChildList.push_back(std::move(pIns)); +} + +void SvxRTFItemStackType::SetStartPos( const EditPosition& rPos ) +{ + mxStartNodeIdx = rPos.MakeNodeIdx(); + mxEndNodeIdx = mxStartNodeIdx; + nSttCnt = rPos.GetCntIdx(); +} + +void SvxRTFItemStackType::Compress( const SvxRTFParser& rParser ) +{ + ENSURE_OR_RETURN_VOID(!maChildList.empty(), "Compress: ChildList empty"); + + SvxRTFItemStackType* pTmp = maChildList[0].get(); + + if( !pTmp->aAttrSet.Count() || + mxStartNodeIdx->GetIdx() != pTmp->mxStartNodeIdx->GetIdx() || + nSttCnt != pTmp->nSttCnt ) + return; + + EditNodeIdx aLastNd = *pTmp->mxEndNodeIdx; + sal_Int32 nLastCnt = pTmp->nEndCnt; + + SfxItemSet aMrgSet( pTmp->aAttrSet ); + for (size_t n = 1; n < maChildList.size(); ++n) + { + pTmp = maChildList[n].get(); + if (!pTmp->maChildList.empty()) + pTmp->Compress( rParser ); + + if( !pTmp->nSttCnt + ? (aLastNd.GetIdx()+1 != pTmp->mxStartNodeIdx->GetIdx() || + !rParser.IsEndPara( &aLastNd, nLastCnt ) ) + : ( pTmp->nSttCnt != nLastCnt || + aLastNd.GetIdx() != pTmp->mxStartNodeIdx->GetIdx() )) + { + while (++n < maChildList.size()) + { + pTmp = maChildList[n].get(); + if (!pTmp->maChildList.empty()) + pTmp->Compress( rParser ); + } + return; + } + + if( n ) + { + // Search for all which are set over the whole area + SfxItemIter aIter( aMrgSet ); + const SfxPoolItem* pItem; + const SfxPoolItem* pIterItem = aIter.GetCurItem(); + do { + sal_uInt16 nWhich = pIterItem->Which(); + if( SfxItemState::SET != pTmp->aAttrSet.GetItemState( nWhich, + false, &pItem ) || *pItem != *pIterItem) + aIter.ClearItem(); + + pIterItem = aIter.NextItem(); + } while(pIterItem); + + if( !aMrgSet.Count() ) + return; + } + + aLastNd = *pTmp->mxEndNodeIdx; + nLastCnt = pTmp->nEndCnt; + } + + if( mxEndNodeIdx->GetIdx() != aLastNd.GetIdx() || nEndCnt != nLastCnt ) + return; + + // It can be merged + aAttrSet.Put( aMrgSet ); + + size_t n = 0, nChildLen = maChildList.size(); + while (n < nChildLen) + { + pTmp = maChildList[n].get(); + pTmp->aAttrSet.Differentiate( aMrgSet ); + + if (pTmp->maChildList.empty() && !pTmp->aAttrSet.Count() && !pTmp->nStyleNo) + { + maChildList.erase( maChildList.begin() + n ); + --nChildLen; + continue; + } + ++n; + } +} +void SvxRTFItemStackType::SetRTFDefaults( const SfxItemSet& rDefaults ) +{ + if( rDefaults.Count() ) + { + SfxItemIter aIter( rDefaults ); + const SfxPoolItem* pItem = aIter.GetCurItem(); + do { + sal_uInt16 nWhich = pItem->Which(); + if( SfxItemState::SET != aAttrSet.GetItemState( nWhich, false )) + aAttrSet.Put(*pItem); + + pItem = aIter.NextItem(); + } while(pItem); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |