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Diffstat (limited to '')
| -rw-r--r-- | xmloff/source/text/XMLRedlineExport.cxx | 646 |
1 files changed, 646 insertions, 0 deletions
diff --git a/xmloff/source/text/XMLRedlineExport.cxx b/xmloff/source/text/XMLRedlineExport.cxx new file mode 100644 index 000000000..eb8f8d68a --- /dev/null +++ b/xmloff/source/text/XMLRedlineExport.cxx @@ -0,0 +1,646 @@ +/* -*- 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 "XMLRedlineExport.hxx" +#include <o3tl/any.hxx> +#include <tools/debug.hxx> +#include <rtl/ustring.hxx> +#include <rtl/ustrbuf.hxx> +#include <sal/log.hxx> +#include <osl/diagnose.h> +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/beans/UnknownPropertyException.hpp> +#include <com/sun/star/container/XEnumerationAccess.hpp> + +#include <com/sun/star/container/XEnumeration.hpp> +#include <com/sun/star/document/XRedlinesSupplier.hpp> +#include <com/sun/star/text/XText.hpp> +#include <com/sun/star/text/XTextContent.hpp> +#include <com/sun/star/text/XTextSection.hpp> +#include <com/sun/star/util/DateTime.hpp> + +#include <sax/tools/converter.hxx> + +#include <xmloff/xmltoken.hxx> +#include <xmloff/xmlnamespace.hxx> +#include <xmloff/xmlexp.hxx> +#include <xmloff/xmluconv.hxx> +#include <unotools/securityoptions.hxx> +#include <tools/date.hxx> +#include <tools/datetime.hxx> + + +using namespace ::com::sun::star; +using namespace ::xmloff::token; + +using ::com::sun::star::beans::PropertyValue; +using ::com::sun::star::beans::XPropertySet; +using ::com::sun::star::beans::UnknownPropertyException; +using ::com::sun::star::document::XRedlinesSupplier; +using ::com::sun::star::container::XEnumerationAccess; +using ::com::sun::star::container::XEnumeration; +using ::com::sun::star::text::XText; +using ::com::sun::star::text::XTextContent; +using ::com::sun::star::text::XTextSection; +using ::com::sun::star::uno::Any; +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::Sequence; + + +XMLRedlineExport::XMLRedlineExport(SvXMLExport& rExp) +: sDeletion(GetXMLToken(XML_DELETION)) +, sFormatChange(GetXMLToken(XML_FORMAT_CHANGE)) +, sInsertion(GetXMLToken(XML_INSERTION)) +, rExport(rExp) +, pCurrentChangesList(nullptr) +{ +} + + +XMLRedlineExport::~XMLRedlineExport() +{ +} + + +void XMLRedlineExport::ExportChange( + const Reference<XPropertySet> & rPropSet, + bool bAutoStyle) +{ + if (bAutoStyle) + { + // For the headers/footers, we have to collect the autostyles + // here. For the general case, however, it's better to collect + // the autostyles by iterating over the global redline + // list. So that's what we do: Here, we collect autostyles + // only if we have no current list of changes. For the + // main-document case, the autostyles are collected in + // ExportChangesListAutoStyles(). + if (pCurrentChangesList != nullptr) + ExportChangeAutoStyle(rPropSet); + } + else + { + ExportChangeInline(rPropSet); + } +} + + +void XMLRedlineExport::ExportChangesList(bool bAutoStyles) +{ + if (bAutoStyles) + { + ExportChangesListAutoStyles(); + } + else + { + ExportChangesListElements(); + } +} + + +void XMLRedlineExport::ExportChangesList( + const Reference<XText> & rText, + bool bAutoStyles) +{ + // in the header/footer case, auto styles are collected from the + // inline change elements. + if (bAutoStyles) + return; + + // look for changes list for this XText + ChangesMapType::iterator aFind = aChangeMap.find(rText); + if (aFind == aChangeMap.end()) + return; + + ChangesVectorType* pChangesList = aFind->second.get(); + + // export only if changes are found + if (pChangesList->empty()) + return; + + // changes container element + SvXMLElementExport aChanges(rExport, XML_NAMESPACE_TEXT, + XML_TRACKED_CHANGES, + true, true); + + // iterate over changes list + for (auto const& change : *pChangesList) + { + ExportChangedRegion(change); + } + // else: changes list empty -> ignore + // else: no changes list found -> empty +} + +void XMLRedlineExport::SetCurrentXText( + const Reference<XText> & rText) +{ + if (rText.is()) + { + // look for appropriate list in map; use the found one, or create new + ChangesMapType::iterator aIter = aChangeMap.find(rText); + if (aIter == aChangeMap.end()) + { + ChangesVectorType* pList = new ChangesVectorType; + aChangeMap[rText].reset( pList ); + pCurrentChangesList = pList; + } + else + pCurrentChangesList = aIter->second.get(); + } + else + { + // don't record changes + SetCurrentXText(); + } +} + +void XMLRedlineExport::SetCurrentXText() +{ + pCurrentChangesList = nullptr; +} + + +void XMLRedlineExport::ExportChangesListElements() +{ + // get redlines (aka tracked changes) from the model + Reference<XRedlinesSupplier> xSupplier(rExport.GetModel(), uno::UNO_QUERY); + if (!xSupplier.is()) + return; + + Reference<XEnumerationAccess> aEnumAccess = xSupplier->getRedlines(); + + // redline protection key + Reference<XPropertySet> aDocPropertySet( rExport.GetModel(), + uno::UNO_QUERY ); + // redlining enabled? + bool bEnabled = *o3tl::doAccess<bool>(aDocPropertySet->getPropertyValue( + "RecordChanges" )); + + // only export if we have redlines or attributes + if ( !(aEnumAccess->hasElements() || bEnabled) ) + return; + + + // export only if we have changes, but tracking is not enabled + if ( !bEnabled != !aEnumAccess->hasElements() ) + { + rExport.AddAttribute( + XML_NAMESPACE_TEXT, XML_TRACK_CHANGES, + bEnabled ? XML_TRUE : XML_FALSE ); + } + + // changes container element + SvXMLElementExport aChanges(rExport, XML_NAMESPACE_TEXT, + XML_TRACKED_CHANGES, + true, true); + + // get enumeration and iterate over elements + Reference<XEnumeration> aEnum = aEnumAccess->createEnumeration(); + while (aEnum->hasMoreElements()) + { + Any aAny = aEnum->nextElement(); + Reference<XPropertySet> xPropSet; + aAny >>= xPropSet; + + DBG_ASSERT(xPropSet.is(), + "can't get XPropertySet; skipping Redline"); + if (xPropSet.is()) + { + // export only if not in header or footer + // (those must be exported with their XText) + aAny = xPropSet->getPropertyValue("IsInHeaderFooter"); + if (! *o3tl::doAccess<bool>(aAny)) + { + // and finally, export change + ExportChangedRegion(xPropSet); + } + } + // else: no XPropertySet -> no export + } + // else: no redlines -> no export + // else: no XRedlineSupplier -> no export +} + +void XMLRedlineExport::ExportChangeAutoStyle( + const Reference<XPropertySet> & rPropSet) +{ + // record change (if changes should be recorded) + if (nullptr != pCurrentChangesList) + { + // put redline in list if it's collapsed or the redline start + Any aIsStart = rPropSet->getPropertyValue("IsStart"); + Any aIsCollapsed = rPropSet->getPropertyValue("IsCollapsed"); + + if ( *o3tl::doAccess<bool>(aIsStart) || + *o3tl::doAccess<bool>(aIsCollapsed) ) + pCurrentChangesList->push_back(rPropSet); + } + + // get XText for export of redline auto styles + Any aAny = rPropSet->getPropertyValue("RedlineText"); + Reference<XText> xText; + aAny >>= xText; + if (xText.is()) + { + // export the auto styles + rExport.GetTextParagraphExport()->collectTextAutoStyles(xText); + } +} + +void XMLRedlineExport::ExportChangesListAutoStyles() +{ + // get redlines (aka tracked changes) from the model + Reference<XRedlinesSupplier> xSupplier(rExport.GetModel(), uno::UNO_QUERY); + if (!xSupplier.is()) + return; + + Reference<XEnumerationAccess> aEnumAccess = xSupplier->getRedlines(); + + // only export if we actually have redlines + if (!aEnumAccess->hasElements()) + return; + + // get enumeration and iterate over elements + Reference<XEnumeration> aEnum = aEnumAccess->createEnumeration(); + while (aEnum->hasMoreElements()) + { + Any aAny = aEnum->nextElement(); + Reference<XPropertySet> xPropSet; + aAny >>= xPropSet; + + DBG_ASSERT(xPropSet.is(), + "can't get XPropertySet; skipping Redline"); + if (xPropSet.is()) + { + + // export only if not in header or footer + // (those must be exported with their XText) + aAny = xPropSet->getPropertyValue("IsInHeaderFooter"); + if (! *o3tl::doAccess<bool>(aAny)) + { + ExportChangeAutoStyle(xPropSet); + } + } + } +} + +void XMLRedlineExport::ExportChangeInline( + const Reference<XPropertySet> & rPropSet) +{ + // determine element name (depending on collapsed, start/end) + enum XMLTokenEnum eElement = XML_TOKEN_INVALID; + Any aAny = rPropSet->getPropertyValue("IsCollapsed"); + bool bCollapsed = *o3tl::doAccess<bool>(aAny); + if (bCollapsed) + { + eElement = XML_CHANGE; + } + else + { + aAny = rPropSet->getPropertyValue("IsStart"); + const bool bStart = *o3tl::doAccess<bool>(aAny); + eElement = bStart ? XML_CHANGE_START : XML_CHANGE_END; + } + + if (XML_TOKEN_INVALID != eElement) + { + // we always need the ID + rExport.AddAttribute(XML_NAMESPACE_TEXT, XML_CHANGE_ID, + GetRedlineID(rPropSet)); + + // export the element (no whitespace because we're in the text body) + SvXMLElementExport aChangeElem(rExport, XML_NAMESPACE_TEXT, + eElement, false, false); + } +} + + +void XMLRedlineExport::ExportChangedRegion( + const Reference<XPropertySet> & rPropSet) +{ + // Redline-ID + rExport.AddAttributeIdLegacy(XML_NAMESPACE_TEXT, GetRedlineID(rPropSet)); + + // merge-last-paragraph + Any aAny = rPropSet->getPropertyValue("MergeLastPara"); + if( ! *o3tl::doAccess<bool>(aAny) ) + rExport.AddAttribute(XML_NAMESPACE_TEXT, XML_MERGE_LAST_PARAGRAPH, + XML_FALSE); + + // export change region element + SvXMLElementExport aChangedRegion(rExport, XML_NAMESPACE_TEXT, + XML_CHANGED_REGION, true, true); + + + // scope for (first) change element + { + aAny = rPropSet->getPropertyValue("RedlineType"); + OUString sType; + aAny >>= sType; + SvXMLElementExport aChange(rExport, XML_NAMESPACE_TEXT, + ConvertTypeName(sType), true, true); + + ExportChangeInfo(rPropSet); + + // get XText from the redline and export (if the XText exists) + aAny = rPropSet->getPropertyValue("RedlineText"); + Reference<XText> xText; + aAny >>= xText; + if (xText.is()) + { + rExport.GetTextParagraphExport()->exportText(xText); + // default parameters: bProgress, bExportParagraph ??? + } + // else: no text interface -> content is inline and will + // be exported there + } + + // changed change? Hierarchical changes can only be two levels + // deep. Here we check for the second level. + aAny = rPropSet->getPropertyValue("RedlineSuccessorData"); + Sequence<PropertyValue> aSuccessorData; + aAny >>= aSuccessorData; + + // if we actually got a hierarchical change, make element and + // process change info + if (aSuccessorData.hasElements()) + { + // The only change that can be "undone" is an insertion - + // after all, you can't re-insert a deletion, but you can + // delete an insertion. This assumption is asserted in + // ExportChangeInfo(Sequence<PropertyValue>&). + SvXMLElementExport aSecondChangeElem( + rExport, XML_NAMESPACE_TEXT, XML_INSERTION, + true, true); + + ExportChangeInfo(aSuccessorData); + } + // else: no hierarchical change +} + + +OUString const & XMLRedlineExport::ConvertTypeName( + std::u16string_view sApiName) +{ + if (sApiName == u"Delete") + { + return sDeletion; + } + else if (sApiName == u"Insert") + { + return sInsertion; + } + else if (sApiName == u"Format") + { + return sFormatChange; + } + else + { + OSL_FAIL("unknown redline type"); + static const OUString sUnknownChange("UnknownChange"); + return sUnknownChange; + } +} + + +/** Create a Redline-ID */ +OUString XMLRedlineExport::GetRedlineID( + const Reference<XPropertySet> & rPropSet) +{ + Any aAny = rPropSet->getPropertyValue("RedlineIdentifier"); + OUString sTmp; + aAny >>= sTmp; + + return "ct" + sTmp; +} + + +void XMLRedlineExport::ExportChangeInfo( + const Reference<XPropertySet> & rPropSet) +{ + bool bRemovePersonalInfo = SvtSecurityOptions::IsOptionSet( + SvtSecurityOptions::EOption::DocWarnRemovePersonalInfo ); + + SvXMLElementExport aChangeInfo(rExport, XML_NAMESPACE_OFFICE, + XML_CHANGE_INFO, true, true); + + Any aAny = rPropSet->getPropertyValue("RedlineAuthor"); + OUString sTmp; + aAny >>= sTmp; + if (!sTmp.isEmpty()) + { + SvXMLElementExport aCreatorElem( rExport, XML_NAMESPACE_DC, + XML_CREATOR, true, + false ); + rExport.Characters(bRemovePersonalInfo + ? "Author" + OUString::number(rExport.GetInfoID(sTmp)) + : sTmp ); + } + + aAny = rPropSet->getPropertyValue("RedlineDateTime"); + util::DateTime aDateTime; + aAny >>= aDateTime; + { + OUStringBuffer sBuf; + ::sax::Converter::convertDateTime(sBuf, bRemovePersonalInfo + ? util::DateTime(0, 0, 0, 0, 1, 1, 1970, true) // Epoch time + : aDateTime, nullptr); + SvXMLElementExport aDateElem( rExport, XML_NAMESPACE_DC, + XML_DATE, true, + false ); + rExport.Characters(sBuf.makeStringAndClear()); + } + + // comment as <text:p> sequence + aAny = rPropSet->getPropertyValue("RedlineComment"); + aAny >>= sTmp; + WriteComment( sTmp ); +} + +// write RedlineSuccessorData +void XMLRedlineExport::ExportChangeInfo( + const Sequence<PropertyValue> & rPropertyValues) +{ + OUString sComment; + bool bRemovePersonalInfo = SvtSecurityOptions::IsOptionSet( + SvtSecurityOptions::EOption::DocWarnRemovePersonalInfo ); + + SvXMLElementExport aChangeInfo(rExport, XML_NAMESPACE_OFFICE, + XML_CHANGE_INFO, true, true); + + for(const PropertyValue& rVal : rPropertyValues) + { + if( rVal.Name == "RedlineAuthor" ) + { + OUString sTmp; + rVal.Value >>= sTmp; + if (!sTmp.isEmpty()) + { + SvXMLElementExport aCreatorElem( rExport, XML_NAMESPACE_DC, + XML_CREATOR, true, + false ); + rExport.Characters(bRemovePersonalInfo + ? "Author" + OUString::number(rExport.GetInfoID(sTmp)) + : sTmp ); + } + } + else if( rVal.Name == "RedlineComment" ) + { + rVal.Value >>= sComment; + } + else if( rVal.Name == "RedlineDateTime" ) + { + util::DateTime aDateTime; + rVal.Value >>= aDateTime; + OUStringBuffer sBuf; + ::sax::Converter::convertDateTime(sBuf, bRemovePersonalInfo + ? util::DateTime(0, 0, 0, 0, 1, 1, 1970, true) // Epoch time + : aDateTime, nullptr); + SvXMLElementExport aDateElem( rExport, XML_NAMESPACE_DC, + XML_DATE, true, + false ); + rExport.Characters(sBuf.makeStringAndClear()); + } + else if( rVal.Name == "RedlineType" ) + { + // check if this is an insertion; cf. comment at calling location + OUString sTmp; + rVal.Value >>= sTmp; + DBG_ASSERT(sTmp == "Insert", + "hierarchical change must be insertion"); + } + // else: unknown value -> ignore + } + + // finally write comment paragraphs + WriteComment( sComment ); +} + +void XMLRedlineExport::ExportStartOrEndRedline( + const Reference<XPropertySet> & rPropSet, + bool bStart) +{ + if( ! rPropSet.is() ) + return; + + // get appropriate (start or end) property + Any aAny; + try + { + aAny = rPropSet->getPropertyValue(bStart ? OUString("StartRedline") : OUString("EndRedline")); + } + catch(const UnknownPropertyException&) + { + // If we don't have the property, there's nothing to do. + return; + } + + Sequence<PropertyValue> aValues; + aAny >>= aValues; + + // seek for redline properties + bool bIsCollapsed = false; + bool bIsStart = true; + OUString sId; + bool bIdOK = false; // have we seen an ID? + for(const auto& rValue : std::as_const(aValues)) + { + if (rValue.Name == "RedlineIdentifier") + { + rValue.Value >>= sId; + bIdOK = true; + } + else if (rValue.Name == "IsCollapsed") + { + bIsCollapsed = *o3tl::doAccess<bool>(rValue.Value); + } + else if (rValue.Name == "IsStart") + { + bIsStart = *o3tl::doAccess<bool>(rValue.Value); + } + } + + if( !bIdOK ) + return; + + SAL_WARN_IF( sId.isEmpty(), "xmloff", "Redlines must have IDs" ); + + // TODO: use GetRedlineID or eliminate that function + rExport.AddAttribute(XML_NAMESPACE_TEXT, XML_CHANGE_ID, + "ct" + sId); + + // export the element + // (whitespace because we're not inside paragraphs) + SvXMLElementExport aChangeElem( + rExport, XML_NAMESPACE_TEXT, + bIsCollapsed ? XML_CHANGE : + ( bIsStart ? XML_CHANGE_START : XML_CHANGE_END ), + true, true); +} + +void XMLRedlineExport::ExportStartOrEndRedline( + const Reference<XTextContent> & rContent, + bool bStart) +{ + Reference<XPropertySet> xPropSet(rContent, uno::UNO_QUERY); + if (xPropSet.is()) + { + ExportStartOrEndRedline(xPropSet, bStart); + } + else + { + OSL_FAIL("XPropertySet expected"); + } +} + +void XMLRedlineExport::ExportStartOrEndRedline( + const Reference<XTextSection> & rSection, + bool bStart) +{ + Reference<XPropertySet> xPropSet(rSection, uno::UNO_QUERY); + if (xPropSet.is()) + { + ExportStartOrEndRedline(xPropSet, bStart); + } + else + { + OSL_FAIL("XPropertySet expected"); + } +} + +void XMLRedlineExport::WriteComment(std::u16string_view rComment) +{ + if (rComment.empty()) + return; + + // iterate over all string-pieces separated by return (0x0a) and + // put each inside a paragraph element. + SvXMLTokenEnumerator aEnumerator(rComment, char(0x0a)); + std::u16string_view aSubString; + while (aEnumerator.getNextToken(aSubString)) + { + SvXMLElementExport aParagraph( + rExport, XML_NAMESPACE_TEXT, XML_P, true, false); + rExport.Characters(OUString(aSubString)); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |