diff options
Diffstat (limited to 'xmloff/source/text/txtlists.cxx')
| -rw-r--r-- | xmloff/source/text/txtlists.cxx | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/xmloff/source/text/txtlists.cxx b/xmloff/source/text/txtlists.cxx new file mode 100644 index 000000000..9b3b46f17 --- /dev/null +++ b/xmloff/source/text/txtlists.cxx @@ -0,0 +1,499 @@ +/* -*- 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 <txtlists.hxx> +#include <comphelper/random.hxx> + +#include <o3tl/safeint.hxx> +#include <tools/datetime.hxx> +#include <tools/long.hxx> +#include <sal/log.hxx> + +#include <xmloff/txtimp.hxx> +#include <xmloff/xmlimp.hxx> +#include <xmloff/xmlnumi.hxx> + +#include <com/sun/star/style/XStyle.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/container/XNameContainer.hpp> +#include "XMLTextListItemContext.hxx" +#include "XMLTextListBlockContext.hxx" +#include "txtparai.hxx" + + +using namespace ::com::sun::star; + + +XMLTextListsHelper::XMLTextListsHelper() + // Inconsistent behavior regarding lists (#i92811#) +{ +} + +void XMLTextListsHelper::PushListContext( + XMLTextListBlockContext *i_pListBlock) +{ + mListStack.emplace(i_pListBlock, + static_cast<XMLTextListItemContext*>(nullptr), + static_cast<XMLNumberedParaContext*>(nullptr)); +} + +void XMLTextListsHelper::PushListContext( + XMLNumberedParaContext *i_pNumberedParagraph) +{ + mListStack.emplace( + static_cast<XMLTextListBlockContext*>(nullptr), + static_cast<XMLTextListItemContext*>(nullptr), i_pNumberedParagraph); +} + +void XMLTextListsHelper::PopListContext() +{ + assert(mListStack.size()); + if ( !mListStack.empty()) + mListStack.pop(); +} + +void XMLTextListsHelper::ListContextTop( + XMLTextListBlockContext*& o_pListBlockContext, + XMLTextListItemContext*& o_pListItemContext, + XMLNumberedParaContext*& o_pNumberedParagraphContext ) +{ + if ( !mListStack.empty() ) { + o_pListBlockContext = + static_cast<XMLTextListBlockContext*>(std::get<0>(mListStack.top()).get()); + o_pListItemContext = + static_cast<XMLTextListItemContext *>(std::get<1>(mListStack.top()).get()); + o_pNumberedParagraphContext = + static_cast<XMLNumberedParaContext *>(std::get<2>(mListStack.top()).get()); + } +} + +void XMLTextListsHelper::SetListItem( XMLTextListItemContext *i_pListItem ) +{ + // may be cleared by ListBlockContext for upper list... + if (i_pListItem) { + assert(mListStack.size()); + assert(std::get<0>(mListStack.top()).is() && + "internal error: SetListItem: mListStack has no ListBlock"); + assert(!std::get<1>(mListStack.top()).is() && + "error: SetListItem: list item already exists"); + } + if ( !mListStack.empty() ) { + std::get<1>(mListStack.top()) = i_pListItem; + } +} + +// Handling for parameter <sListStyleDefaultListId> (#i92811#) +void XMLTextListsHelper::KeepListAsProcessed( const OUString& sListId, + const OUString& sListStyleName, + const OUString& sContinueListId, + const OUString& sListStyleDefaultListId ) +{ + if ( IsListProcessed( sListId ) ) + { + assert(false && + "<XMLTextListsHelper::KeepListAsProcessed(..)> - list id already added" ); + return; + } + + if ( !mpProcessedLists ) + { + mpProcessedLists = std::make_unique<tMapForLists>(); + } + + ::std::pair< OUString, OUString > + aListData( sListStyleName, sContinueListId ); + (*mpProcessedLists)[ sListId ] = aListData; + + msLastProcessedListId = sListId; + msListStyleOfLastProcessedList = sListStyleName; + + // Remember what is the last list id of this list style. + if (!mpStyleNameLastListIds) + { + mpStyleNameLastListIds = std::make_unique<std::map<OUString, OUString>>(); + } + (*mpStyleNameLastListIds)[sListStyleName] = sListId; + + // Inconsistent behavior regarding lists (#i92811#) + if ( sListStyleDefaultListId.isEmpty()) + return; + + if ( !mpMapListIdToListStyleDefaultListId ) + { + mpMapListIdToListStyleDefaultListId = std::make_unique<tMapForLists>(); + } + + if ( mpMapListIdToListStyleDefaultListId->find( sListStyleName ) == + mpMapListIdToListStyleDefaultListId->end() ) + { + ::std::pair< OUString, OUString > + aListIdMapData( sListId, sListStyleDefaultListId ); + (*mpMapListIdToListStyleDefaultListId)[ sListStyleName ] = + aListIdMapData; + } +} + +bool XMLTextListsHelper::IsListProcessed( const OUString& sListId ) const +{ + if ( !mpProcessedLists ) + { + return false; + } + + return mpProcessedLists->find( sListId ) != mpProcessedLists->end(); +} + +OUString XMLTextListsHelper::GetListStyleOfProcessedList( + const OUString& sListId ) const +{ + if ( mpProcessedLists ) + { + tMapForLists::const_iterator aIter = mpProcessedLists->find( sListId ); + if ( aIter != mpProcessedLists->end() ) + { + return (*aIter).second.first; + } + } + + return OUString(); +} + +OUString XMLTextListsHelper::GetContinueListIdOfProcessedList( + const OUString& sListId ) const +{ + if ( mpProcessedLists ) + { + tMapForLists::const_iterator aIter = mpProcessedLists->find( sListId ); + if ( aIter != mpProcessedLists->end() ) + { + return (*aIter).second.second; + } + } + + return OUString(); +} + + +OUString XMLTextListsHelper::GenerateNewListId() const +{ + static bool bHack = (getenv("LIBO_ONEWAY_STABLE_ODF_EXPORT") != nullptr); + OUString sTmpStr( "list" ); + + if (bHack) + { + static sal_Int64 nIdCounter = SAL_CONST_INT64(5000000000); + sTmpStr += OUString::number(nIdCounter++); + } + else + { + // Value of xml:id in element <text:list> has to be a valid ID type (#i92478#) + DateTime aDateTime( DateTime::SYSTEM ); + sal_Int64 n = aDateTime.GetTime(); + n += aDateTime.GetDateUnsigned(); + n += comphelper::rng::uniform_int_distribution(0, std::numeric_limits<int>::max()); + // Value of xml:id in element <text:list> has to be a valid ID type (#i92478#) + sTmpStr += OUString::number( n ); + } + + OUString sNewListId( sTmpStr ); + if ( mpProcessedLists ) + { + tools::Long nHitCount = 0; + while ( mpProcessedLists->find( sNewListId ) != mpProcessedLists->end() ) + { + ++nHitCount; + sNewListId = sTmpStr + OUString::number( nHitCount ); + } + } + + return sNewListId; +} + +// Provide list id for a certain list block for import (#i92811#) +OUString XMLTextListsHelper::GetListIdForListBlock( XMLTextListBlockContext const & rListBlock ) +{ + OUString sListBlockListId( rListBlock.GetContinueListId() ); + if ( sListBlockListId.isEmpty() ) + { + sListBlockListId = rListBlock.GetListId(); + } + + if ( mpMapListIdToListStyleDefaultListId ) + { + if ( !sListBlockListId.isEmpty() ) + { + const OUString sListStyleName = + GetListStyleOfProcessedList( sListBlockListId ); + + tMapForLists::const_iterator aIter = + mpMapListIdToListStyleDefaultListId->find( sListStyleName ); + if ( aIter != mpMapListIdToListStyleDefaultListId->end() ) + { + if ( (*aIter).second.first == sListBlockListId ) + { + sListBlockListId = (*aIter).second.second; + } + } + } + } + + return sListBlockListId; +} + +void XMLTextListsHelper::StoreLastContinuingList( const OUString& sListId, + const OUString& sContinuingListId ) +{ + if ( !mpContinuingLists ) + { + mpContinuingLists = std::make_unique<tMapForContinuingLists>(); + } + + (*mpContinuingLists)[ sListId ] = sContinuingListId; +} + +OUString XMLTextListsHelper::GetLastContinuingListId( + const OUString& sListId ) const +{ + if ( mpContinuingLists ) + { + tMapForContinuingLists::const_iterator aIter = + mpContinuingLists->find( sListId ); + if ( aIter != mpContinuingLists->end() ) + { + return (*aIter).second; + } + } + + return sListId; +} + +void XMLTextListsHelper::PushListOnStack( const OUString& sListId, + const OUString& sListStyleName ) +{ + if ( !mpListStack ) + { + mpListStack = std::make_unique<tStackForLists>(); + } + ::std::pair< OUString, OUString > + aListData( sListId, sListStyleName ); + mpListStack->push_back( aListData ); +} +void XMLTextListsHelper::PopListFromStack() +{ + if ( mpListStack && + !mpListStack->empty() ) + { + mpListStack->pop_back(); + } +} + +bool XMLTextListsHelper::EqualsToTopListStyleOnStack( std::u16string_view sListId ) const +{ + return mpListStack && sListId == mpListStack->back().second; +} + +OUString +XMLTextListsHelper::GetNumberedParagraphListId( + const sal_uInt16 i_Level, + std::u16string_view i_StyleName) +{ + if (i_StyleName.empty()) { + SAL_INFO("xmloff.text", "invalid numbered-paragraph: no style-name"); + } + if (!i_StyleName.empty() + && (i_Level < mLastNumberedParagraphs.size()) + && (mLastNumberedParagraphs[i_Level].first == i_StyleName) ) + { + assert(!mLastNumberedParagraphs[i_Level].second.isEmpty() && + "internal error: numbered-paragraph style-name but no list-id?"); + return mLastNumberedParagraphs[i_Level].second; + } else { + return GenerateNewListId(); + } +} + +static void +ClampLevel(uno::Reference<container::XIndexReplace> const& i_xNumRules, + sal_Int16 & io_rLevel) +{ + assert(i_xNumRules.is()); + if (i_xNumRules.is()) { + const sal_Int32 nLevelCount( i_xNumRules->getCount() ); + if ( io_rLevel >= nLevelCount ) { + io_rLevel = sal::static_int_cast< sal_Int16 >(nLevelCount-1); + } + } +} + +uno::Reference<container::XIndexReplace> +XMLTextListsHelper::EnsureNumberedParagraph( + SvXMLImport & i_rImport, + const OUString& i_ListId, + sal_Int16 & io_rLevel, const OUString& i_StyleName) +{ + assert(!i_ListId.isEmpty()); + assert(io_rLevel >= 0); + NumParaList_t & rNPList( mNPLists[i_ListId] ); + const OUString none; // default + if ( rNPList.empty() ) { + // create default list style for top level + sal_Int16 lev(0); + rNPList.emplace_back(none, + MakeNumRule(i_rImport, nullptr, none, none, lev) ); + } + // create num rule first because this might clamp the level... + uno::Reference<container::XIndexReplace> xNumRules; + if ((0 == io_rLevel) || rNPList.empty() || !i_StyleName.isEmpty()) { + // no parent to inherit from, or explicit style given => new numrules! + // index of parent: level - 1, but maybe that does not exist + const size_t parent( std::min(static_cast<size_t>(io_rLevel), + rNPList.size()) - 1 ); + xNumRules = MakeNumRule(i_rImport, + io_rLevel > 0 ? rNPList[parent].second : nullptr, + io_rLevel > 0 ? rNPList[parent].first : none, + i_StyleName, io_rLevel); + } else { + // no style given, but has a parent => reuse parent numrules! + ClampLevel(rNPList.back().second, io_rLevel); + } + if (static_cast<sal_uInt16>(io_rLevel) + 1U > rNPList.size()) { + // new level: need to enlarge + for (size_t i = rNPList.size(); + i < o3tl::make_unsigned(io_rLevel); ++i) + { + NumParaList_t::value_type const rule(rNPList.back()); + rNPList.push_back(rule); + } + NumParaList_t::value_type const rule(rNPList.back()); + rNPList.push_back(xNumRules.is() + ? ::std::make_pair(i_StyleName, xNumRules) + : rule); + } else { + // old level: no need to enlarge; possibly shrink + if (xNumRules.is()) { + rNPList[io_rLevel] = std::make_pair(i_StyleName, xNumRules); + } + if (static_cast<sal_uInt16>(io_rLevel) + 1U < rNPList.size()) { + rNPList.erase(rNPList.begin() + io_rLevel + 1, rNPList.end()); + } + } + // remember the list id + if (mLastNumberedParagraphs.size() <= o3tl::make_unsigned(io_rLevel)) { + mLastNumberedParagraphs.resize(io_rLevel+1); + } + mLastNumberedParagraphs[io_rLevel] = std::make_pair(i_StyleName, i_ListId); + return rNPList.back().second; +} + +/** extracted from the XMLTextListBlockContext constructor */ +uno::Reference<container::XIndexReplace> +XMLTextListsHelper::MakeNumRule( + SvXMLImport & i_rImport, + const uno::Reference<container::XIndexReplace>& i_rNumRule, + std::u16string_view i_ParentStyleName, + const OUString& i_StyleName, + sal_Int16 & io_rLevel, + bool* o_pRestartNumbering, + bool* io_pSetDefaults) +{ + uno::Reference<container::XIndexReplace> xNumRules(i_rNumRule); + if ( !i_StyleName.isEmpty() && i_StyleName != i_ParentStyleName ) + { + const OUString sDisplayStyleName( + i_rImport.GetStyleDisplayName( XmlStyleFamily::TEXT_LIST, + i_StyleName) ); + const uno::Reference < container::XNameContainer >& rNumStyles( + i_rImport.GetTextImport()->GetNumberingStyles() ); + if( rNumStyles.is() && rNumStyles->hasByName( sDisplayStyleName ) ) + { + uno::Reference < style::XStyle > xStyle; + uno::Any any = rNumStyles->getByName( sDisplayStyleName ); + any >>= xStyle; + + uno::Reference< beans::XPropertySet > xPropSet( xStyle, + uno::UNO_QUERY ); + any = xPropSet->getPropertyValue("NumberingRules"); + any >>= xNumRules; + } + else + { + const SvxXMLListStyleContext *pListStyle( + i_rImport.GetTextImport()->FindAutoListStyle( i_StyleName ) ); + if( pListStyle ) + { + xNumRules = pListStyle->GetNumRules(); + if( !xNumRules.is() ) + { + pListStyle->CreateAndInsertAuto(); + xNumRules = pListStyle->GetNumRules(); + } + } + } + } + + bool bSetDefaults(io_pSetDefaults && *io_pSetDefaults); + if ( !xNumRules.is() ) + { + // If no style name has been specified for this style and for any + // parent or if no num rule with the specified name exists, + // create a new one. + + xNumRules = + SvxXMLListStyleContext::CreateNumRule( i_rImport.GetModel() ); + SAL_INFO_IF(xNumRules.is(), "xmloff.core", "cannot create numrules"); + if ( !xNumRules.is() ) + return xNumRules; + + // Because it is a new num rule, numbering must not be restarted. + if (o_pRestartNumbering) *o_pRestartNumbering = false; + bSetDefaults = true; + if (io_pSetDefaults) *io_pSetDefaults = bSetDefaults; + } + + ClampLevel(xNumRules, io_rLevel); + + if ( bSetDefaults ) + { + // Because there is no list style sheet for this style, a default + // format must be set for any level of this num rule. + SvxXMLListStyleContext::SetDefaultStyle( xNumRules, io_rLevel, + false ); + } + + return xNumRules; +} + +OUString XMLTextListsHelper::GetLastIdOfStyleName(const OUString& sListStyleName) const +{ + if (!mpStyleNameLastListIds) + { + return {}; + } + + auto it = mpStyleNameLastListIds->find(sListStyleName); + if (it == mpStyleNameLastListIds->end()) + { + return {}; + } + + return it->second; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |