248 lines
11 KiB
C++
248 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <rdfhelper.hxx>
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#include <com/sun/star/frame/XModel.hpp>
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#include <com/sun/star/rdf/Literal.hpp>
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#include <com/sun/star/rdf/Statement.hpp>
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#include <com/sun/star/rdf/URI.hpp>
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#include <com/sun/star/rdf/XDocumentMetadataAccess.hpp>
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#include <comphelper/processfactory.hxx>
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#include <doc.hxx>
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#include <docsh.hxx>
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#include <ndtxt.hxx>
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#include <unoparagraph.hxx>
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#include <unotext.hxx>
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#include <unotxdoc.hxx>
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using namespace com::sun::star;
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css::uno::Sequence<css::uno::Reference<css::rdf::XURI>> SwRDFHelper::getGraphNames(
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const css::uno::Reference<rdf::XDocumentMetadataAccess>& xDocumentMetadataAccess,
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const css::uno::Reference<rdf::XURI>& xType)
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{
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try
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{
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return xDocumentMetadataAccess->getMetadataGraphsWithType(xType);
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}
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catch (const uno::RuntimeException&)
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{
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return uno::Sequence<uno::Reference<rdf::XURI>>();
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}
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}
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css::uno::Sequence<uno::Reference<css::rdf::XURI>>
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SwRDFHelper::getGraphNames(const rtl::Reference<SwXTextDocument>& xModel,
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const OUString& rType)
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{
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try
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{
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const uno::Reference<uno::XComponentContext>& xComponentContext(
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comphelper::getProcessComponentContext());
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// rdf::URI::create may fail with type: com.sun.star.uno.DeploymentException
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// message: component context fails to supply service com.sun.star.rdf.URI of type com.sun.star.rdf.XURI
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// context: cppu::ComponentContext
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uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
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return getGraphNames(xModel, xType);
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}
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catch (const ::css::uno::Exception&)
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{
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return uno::Sequence<uno::Reference<rdf::XURI>>();
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}
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}
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std::map<OUString, OUString>
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SwRDFHelper::getStatements(const rtl::Reference<SwXTextDocument>& xModel,
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const uno::Sequence<uno::Reference<css::rdf::XURI>>& rGraphNames,
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const css::uno::Reference<css::rdf::XResource>& xSubject)
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{
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std::map<OUString, OUString> aRet;
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if (!rGraphNames.hasElements())
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return aRet;
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const uno::Reference<rdf::XRepository> xRepo = xModel->getRDFRepository();
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for (const uno::Reference<rdf::XURI>& xGraphName : rGraphNames)
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{
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uno::Reference<rdf::XNamedGraph> xGraph = xRepo->getGraph(xGraphName);
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if (!xGraph.is())
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continue;
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uno::Reference<container::XEnumeration> xStatements = xGraph->getStatements(
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xSubject, uno::Reference<rdf::XURI>(), uno::Reference<rdf::XURI>());
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while (xStatements->hasMoreElements())
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{
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const rdf::Statement aStatement = xStatements->nextElement().get<rdf::Statement>();
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aRet[aStatement.Predicate->getStringValue()] = aStatement.Object->getStringValue();
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}
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}
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return aRet;
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}
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std::map<OUString, OUString>
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SwRDFHelper::getStatements(const rtl::Reference<SwXTextDocument>& xModel,
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const OUString& rType,
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const css::uno::Reference<css::rdf::XResource>& xSubject)
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{
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return getStatements(xModel, getGraphNames(xModel, rType), xSubject);
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}
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void SwRDFHelper::addStatement(const rtl::Reference<SwXTextDocument>& xModel,
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const OUString& rType, const OUString& rPath,
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const css::uno::Reference<css::rdf::XResource>& xSubject,
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const OUString& rKey, const OUString& rValue)
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{
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const uno::Reference<uno::XComponentContext>& xComponentContext(comphelper::getProcessComponentContext());
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uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
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uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel);
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const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
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uno::Reference<rdf::XURI> xGraphName;
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if (aGraphNames.hasElements())
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xGraphName = aGraphNames[0];
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else
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{
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uno::Sequence< uno::Reference<rdf::XURI> > xTypes = { xType };
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xGraphName = xModel->addMetadataFile(rPath, xTypes);
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}
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uno::Reference<rdf::XNamedGraph> xGraph = xModel->getRDFRepository()->getGraph(xGraphName);
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uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, rKey);
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uno::Reference<rdf::XLiteral> xValue = rdf::Literal::create(xComponentContext, rValue);
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xGraph->addStatement(xSubject, xKey, xValue);
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}
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bool SwRDFHelper::hasMetadataGraph(const rtl::Reference<SwXTextDocument>& xModel, const OUString& rType)
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{
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const uno::Reference<uno::XComponentContext>& xComponentContext(comphelper::getProcessComponentContext());
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uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
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uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel);
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return getGraphNames(xDocumentMetadataAccess, xType).hasElements();
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}
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void SwRDFHelper::removeStatement(const rtl::Reference<SwXTextDocument>& xModel,
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const OUString& rType,
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const css::uno::Reference<css::rdf::XResource>& xSubject,
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const OUString& rKey, const OUString& rValue)
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{
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const uno::Reference<uno::XComponentContext>& xComponentContext(comphelper::getProcessComponentContext());
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uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
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uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel);
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const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
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if (!aGraphNames.hasElements())
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return;
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uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(aGraphNames[0]);
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uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, rKey);
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uno::Reference<rdf::XLiteral> xValue = rdf::Literal::create(xComponentContext, rValue);
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xGraph->removeStatements(xSubject, xKey, xValue);
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}
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void SwRDFHelper::clearStatements(const rtl::Reference<SwXTextDocument>& xModel,
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const OUString& rType,
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const css::uno::Reference<css::rdf::XResource>& xSubject)
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{
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const uno::Reference<uno::XComponentContext>& xComponentContext(comphelper::getProcessComponentContext());
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uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
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const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xModel, xType);
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if (!aGraphNames.hasElements())
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return;
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for (const uno::Reference<rdf::XURI>& xGraphName : aGraphNames)
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{
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uno::Reference<rdf::XNamedGraph> xGraph = xModel->getRDFRepository()->getGraph(xGraphName);
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uno::Reference<container::XEnumeration> xStatements = xGraph->getStatements(xSubject, uno::Reference<rdf::XURI>(), uno::Reference<rdf::XURI>());
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while (xStatements->hasMoreElements())
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{
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rdf::Statement aStatement = xStatements->nextElement().get<rdf::Statement>();
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uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, aStatement.Predicate->getStringValue());
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uno::Reference<rdf::XLiteral> xValue = rdf::Literal::create(xComponentContext, aStatement.Object->getStringValue());
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xGraph->removeStatements(xSubject, xKey, xValue);
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}
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}
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}
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std::map<OUString, OUString> SwRDFHelper::getTextNodeStatements(const OUString& rType, SwTextNode& rTextNode)
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{
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uno::Reference<rdf::XResource> xTextNode(SwXParagraph::CreateXParagraph(rTextNode.GetDoc(), &rTextNode, nullptr));
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SwDocShell* pShell = rTextNode.GetDoc().GetDocShell();
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if (!pShell)
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return std::map<OUString, OUString>();
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return getStatements(pShell->GetBaseModel(), rType, xTextNode);
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}
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void SwRDFHelper::addTextNodeStatement(const OUString& rType, const OUString& rPath, SwTextNode& rTextNode, const OUString& rKey, const OUString& rValue)
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{
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uno::Reference<rdf::XResource> xSubject(SwXParagraph::CreateXParagraph(rTextNode.GetDoc(), &rTextNode, nullptr));
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SwDocShell* pShell = rTextNode.GetDoc().GetDocShell();
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if (!pShell)
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return;
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addStatement(pShell->GetBaseModel(), rType, rPath, xSubject, rKey, rValue);
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}
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void SwRDFHelper::removeTextNodeStatement(const OUString& rType, SwTextNode& rTextNode, const OUString& rKey, const OUString& rValue)
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{
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const uno::Reference<uno::XComponentContext>& xComponentContext(comphelper::getProcessComponentContext());
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uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
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SwDocShell* pShell = rTextNode.GetDoc().GetDocShell();
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if (!pShell)
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return;
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rtl::Reference<SwXTextDocument> xModel(pShell->GetBaseModel());
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uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel);
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const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
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if (!aGraphNames.hasElements())
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return;
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const uno::Reference<rdf::XURI>& xGraphName = aGraphNames[0];
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uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(xGraphName);
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uno::Reference<rdf::XResource> xSubject(SwXParagraph::CreateXParagraph(rTextNode.GetDoc(), &rTextNode, nullptr));
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uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, rKey);
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uno::Reference<rdf::XLiteral> xValue = rdf::Literal::create(xComponentContext, rValue);
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xGraph->removeStatements(xSubject, xKey, xValue);
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}
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void SwRDFHelper::updateTextNodeStatement(const OUString& rType, const OUString& rPath, SwTextNode& rTextNode, const OUString& rKey, const OUString& rOldValue, const OUString& rNewValue)
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{
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const uno::Reference<uno::XComponentContext>& xComponentContext(comphelper::getProcessComponentContext());
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uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
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SwDocShell* pShell = rTextNode.GetDoc().GetDocShell();
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if (!pShell)
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return;
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rtl::Reference<SwXTextDocument> xModel(pShell->GetBaseModel());
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uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel);
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const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
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uno::Reference<rdf::XURI> xGraphName;
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if (aGraphNames.hasElements())
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{
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xGraphName = aGraphNames[0];
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}
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else
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{
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uno::Sequence< uno::Reference<rdf::XURI> > xTypes = { xType };
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xGraphName = xDocumentMetadataAccess->addMetadataFile(rPath, xTypes);
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}
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uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(xGraphName);
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uno::Reference<rdf::XResource> xSubject(SwXParagraph::CreateXParagraph(rTextNode.GetDoc(), &rTextNode, nullptr));
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uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, rKey);
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if (aGraphNames.hasElements())
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{
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// Remove the old value.
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uno::Reference<rdf::XLiteral> xOldValue = rdf::Literal::create(xComponentContext, rOldValue);
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xGraph->removeStatements(xSubject, xKey, xOldValue);
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}
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// Now add it with new value.
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uno::Reference<rdf::XLiteral> xNewValue = rdf::Literal::create(xComponentContext, rNewValue);
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xGraph->addStatement(xSubject, xKey, xNewValue);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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