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Diffstat (limited to 'xmloff/source/meta/xmlmetai.cxx')
| -rw-r--r-- | xmloff/source/meta/xmlmetai.cxx | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/xmloff/source/meta/xmlmetai.cxx b/xmloff/source/meta/xmlmetai.cxx new file mode 100644 index 0000000000..09324ba8b2 --- /dev/null +++ b/xmloff/source/meta/xmlmetai.cxx @@ -0,0 +1,320 @@ +/* -*- 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 <sal/config.h> + +#include <string_view> + +#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp> +#include <com/sun/star/xml/dom/SAXDocumentBuilder.hpp> +#include <com/sun/star/xml/dom/XSAXDocumentBuilder2.hpp> +#include <com/sun/star/xml/xpath/XPathAPI.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/beans/XPropertySetInfo.hpp> +#include <com/sun/star/document/XDocumentProperties.hpp> +#include <comphelper/processfactory.hxx> +#include <cppuhelper/exc_hlp.hxx> +#include <o3tl/string_view.hxx> +#include <rtl/character.hxx> +#include <rtl/ustrbuf.hxx> +#include <utility> +#include <xmloff/xmlmetai.hxx> +#include <xmloff/xmlimp.hxx> +#include <xmloff/xmltoken.hxx> +#include <xmloff/xmlnamespace.hxx> + +using namespace com::sun::star; +using namespace ::xmloff::token; + +namespace { + +/// builds a DOM tree from SAX events, by forwarding to SAXDocumentBuilder +class XMLDocumentBuilderContext : public SvXMLImportContext +{ +private: + css::uno::Reference< css::xml::dom::XSAXDocumentBuilder2> mxDocBuilder; + SvXMLMetaDocumentContext *const m_pTopLevel; + +public: + XMLDocumentBuilderContext(SvXMLImport& rImport, sal_Int32 nElement, + const css::uno::Reference< css::xml::sax::XFastAttributeList>& xAttrList, + css::uno::Reference<css::xml::dom::XSAXDocumentBuilder2> xDocBuilder, + SvXMLMetaDocumentContext * pTopLevel); + + virtual void SAL_CALL characters( const OUString& aChars ) override; + + virtual void SAL_CALL startFastElement( sal_Int32 nElement, + const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) override; + + virtual void SAL_CALL endFastElement( sal_Int32 nElement ) override; + + virtual void SAL_CALL startUnknownElement( const OUString& Namespace, const OUString& Name, + const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override; + + virtual void SAL_CALL endUnknownElement( const OUString& Namespace, const OUString& Name ) override; + + virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext( + sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) override; + +}; + +} + +XMLDocumentBuilderContext::XMLDocumentBuilderContext(SvXMLImport& rImport, + sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>&, + uno::Reference<xml::dom::XSAXDocumentBuilder2> xDocBuilder, + SvXMLMetaDocumentContext *const pTopLevel) + : SvXMLImportContext(rImport) + , mxDocBuilder(std::move(xDocBuilder)) + , m_pTopLevel(pTopLevel) +{ +} + +void SAL_CALL XMLDocumentBuilderContext::startFastElement( sal_Int32 nElement, + const uno::Reference< xml::sax::XFastAttributeList >& xAttribs ) +{ + mxDocBuilder->startFastElement(nElement, xAttribs); +} + +void SAL_CALL XMLDocumentBuilderContext::endFastElement( sal_Int32 nElement ) +{ + mxDocBuilder->endFastElement(nElement); + if (m_pTopLevel) + { + // call this here because in the flat ODF case the top-level + // endFastElement is called only at the very end of the document, + // which is too late to init BuildId + m_pTopLevel->FinishMetaElement(); + } +} + +void SAL_CALL XMLDocumentBuilderContext::startUnknownElement( const OUString& rNamespace, + const OUString& rName, const uno::Reference< xml::sax::XFastAttributeList >& xAttrList ) +{ + mxDocBuilder->startUnknownElement(rNamespace, rName, xAttrList); +} + +void SAL_CALL XMLDocumentBuilderContext::endUnknownElement( const OUString& rNamespace, const OUString& rName ) +{ + mxDocBuilder->endUnknownElement(rNamespace, rName); +} + +void SAL_CALL XMLDocumentBuilderContext::characters( const OUString& rChars ) +{ + mxDocBuilder->characters(rChars); +} + +uno::Reference< xml::sax::XFastContextHandler > SAL_CALL XMLDocumentBuilderContext::createFastChildContext( + sal_Int32 nElement, const uno::Reference< xml::sax::XFastAttributeList >& xAttrList ) +{ + return new XMLDocumentBuilderContext(GetImport(), nElement, xAttrList, mxDocBuilder, nullptr); +} + +static void +lcl_initDocumentProperties(SvXMLImport & rImport, + uno::Reference<xml::dom::XSAXDocumentBuilder2> const& xDocBuilder, + uno::Reference<document::XDocumentProperties> const& xDocProps) +{ + uno::Reference< lang::XInitialization > const xInit(xDocProps, + uno::UNO_QUERY_THROW); + try { + xInit->initialize({ uno::Any(xDocBuilder->getDocument()) }); + rImport.SetStatistics(xDocProps->getDocumentStatistics()); + // convert all URLs from relative to absolute + xDocProps->setTemplateURL(rImport.GetAbsoluteReference( + xDocProps->getTemplateURL())); + xDocProps->setAutoloadURL(rImport.GetAbsoluteReference( + xDocProps->getAutoloadURL())); + SvXMLMetaDocumentContext::setBuildId( + xDocProps->getGenerator(), rImport.getImportInfo()); + } catch (const uno::RuntimeException&) { + throw; + } catch (const uno::Exception&) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "SvXMLMetaDocumentContext::initDocumentProperties: " + "properties init exception", + rImport, anyEx); + } +} + +static void +lcl_initGenerator(SvXMLImport & rImport, + uno::Reference<xml::dom::XSAXDocumentBuilder2> const& xDocBuilder) +{ + uno::Reference< xml::dom::XDocument > const xDoc(xDocBuilder->getDocument(), + uno::UNO_SET_THROW); + try { + uno::Reference< xml::xpath::XXPathAPI > const xPath = xml::xpath::XPathAPI::create( + rImport.GetComponentContext() ); + xPath->registerNS(GetXMLToken(XML_NP_OFFICE),GetXMLToken(XML_N_OFFICE)); + xPath->registerNS(GetXMLToken(XML_NP_META), GetXMLToken(XML_N_META)); + + uno::Reference< xml::xpath::XXPathObject > const xObj( + xPath->eval(xDoc, "string(/office:document-meta/office:meta/meta:generator)"), + uno::UNO_SET_THROW); + OUString const value(xObj->getString()); + SvXMLMetaDocumentContext::setBuildId(value, rImport.getImportInfo()); + } catch (const uno::RuntimeException&) { + throw; + } catch (const uno::Exception&) { + css::uno::Any anyEx = cppu::getCaughtException(); + throw lang::WrappedTargetRuntimeException( + "SvXMLMetaDocumentContext::initGenerator: exception", + rImport, anyEx); + } +} + +SvXMLMetaDocumentContext::SvXMLMetaDocumentContext(SvXMLImport& rImport, + uno::Reference<document::XDocumentProperties> xDocProps) : + SvXMLImportContext( rImport ), + mxDocProps(std::move(xDocProps)), + mxDocBuilder( + xml::dom::SAXDocumentBuilder::create( + comphelper::getProcessComponentContext())) +{ +// #i103539#: must always read meta.xml for generator, xDocProps unwanted then +// OSL_ENSURE(xDocProps.is(), "SvXMLMetaDocumentContext: no document props"); +} + +SvXMLMetaDocumentContext::~SvXMLMetaDocumentContext() +{ +} + +void SAL_CALL SvXMLMetaDocumentContext::startFastElement(sal_Int32 /*nElement*/, + const uno::Reference< xml::sax::XFastAttributeList >& xAttrList ) +{ + mxDocBuilder->startDocument(); + // hardcode office:document-meta (necessary in case of flat file ODF) + mxDocBuilder->startFastElement(XML_ELEMENT(OFFICE, XML_DOCUMENT_META), xAttrList); +} + +void SvXMLMetaDocumentContext::FinishMetaElement() +{ + // hardcode office:document-meta (necessary in case of flat file ODF) + mxDocBuilder->endFastElement(XML_ELEMENT(OFFICE, XML_DOCUMENT_META)); + mxDocBuilder->endDocument(); + if (mxDocProps.is()) + { + lcl_initDocumentProperties(GetImport(), mxDocBuilder, mxDocProps); + } + else + { + lcl_initGenerator(GetImport(), mxDocBuilder); + } +} + +uno::Reference< xml::sax::XFastContextHandler > SAL_CALL SvXMLMetaDocumentContext::createFastChildContext( + sal_Int32 nElement, const uno::Reference< xml::sax::XFastAttributeList >& xAttrList ) +{ + if ( nElement == XML_ELEMENT(OFFICE, XML_META) ) + return new XMLDocumentBuilderContext( + GetImport(), nElement, xAttrList, mxDocBuilder, this); + return nullptr; +} + +void SvXMLMetaDocumentContext::setBuildId(std::u16string_view i_rBuildId, const uno::Reference<beans::XPropertySet>& xImportInfo ) +{ + OUString sBuildId; + // skip to second product + size_t nBegin = i_rBuildId.find( ' ' ); + if ( nBegin != std::u16string_view::npos ) + { + // skip to build information + nBegin = i_rBuildId.find( '/', nBegin ); + if ( nBegin != std::u16string_view::npos ) + { + size_t nEnd = i_rBuildId.find( 'm', nBegin ); + if ( nEnd != std::u16string_view::npos ) + { + OUStringBuffer sBuffer( + i_rBuildId.substr( nBegin+1, nEnd-nBegin-1 ) ); + static constexpr OUString sBuildCompare( + u"$Build-"_ustr ); + nBegin = i_rBuildId.find( sBuildCompare, nEnd ); + if ( nBegin != std::u16string_view::npos ) + { + sBuffer.append( '$' ); + sBuffer.append( i_rBuildId.substr(nBegin + sBuildCompare.getLength()) ); + sBuildId = sBuffer.makeStringAndClear(); + } + } + } + } + + if ( sBuildId.isEmpty() ) + { + if ( o3tl::starts_with(i_rBuildId, u"StarOffice 7") + || o3tl::starts_with(i_rBuildId, u"StarSuite 7") + || o3tl::starts_with(i_rBuildId, u"StarOffice 6") + || o3tl::starts_with(i_rBuildId, u"StarSuite 6") + || o3tl::starts_with(i_rBuildId, u"OpenOffice.org 1")) + { + sBuildId = "645$8687"; + } + else if (o3tl::starts_with(i_rBuildId, u"NeoOffice/2")) + { + sBuildId = "680$9134"; // fake NeoOffice as OpenOffice.org 2.2 release + } + } + + // "LibreOffice_project" was hard-coded since LO 3.3.0 + // see utl::DocInfoHelper::GetGeneratorString() + if (i_rBuildId.find(u"LibreOffice_project/") != std::u16string_view::npos) + { + OUStringBuffer sNumber; + size_t const firstSlash = i_rBuildId.find('/'); + assert(firstSlash != std::u16string_view::npos); + for (size_t i = firstSlash + 1; i < i_rBuildId.size(); ++i) + { + if (rtl::isAsciiDigit(i_rBuildId[i]) || '.' == i_rBuildId[i]) + { + sNumber.append(i_rBuildId[i]); + } + else + { + break; + } + } + if (!sNumber.isEmpty()) + { + sBuildId += ";" + sNumber; + } + } + + if ( sBuildId.isEmpty() ) + return; + + try + { + if( xImportInfo.is() ) + { + static constexpr OUString aPropName(u"BuildId"_ustr); + uno::Reference< beans::XPropertySetInfo > xSetInfo( + xImportInfo->getPropertySetInfo()); + if( xSetInfo.is() && xSetInfo->hasPropertyByName( aPropName ) ) + xImportInfo->setPropertyValue( aPropName, uno::Any( sBuildId ) ); + } + } + catch(const uno::Exception&) + { + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |