1 files changed, 264 insertions, 0 deletions
diff --git a/sw/source/core/doc/rdfhelper.cxx b/sw/source/core/doc/rdfhelper.cxx
new file mode 100644
index 000000000..651a899ff
--- /dev/null
+++ b/sw/source/core/doc/rdfhelper.cxx
@@ -0,0 +1,264 @@
+/* -*- 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/.
+ */
+
+#include <rdfhelper.hxx>
+
+#include <com/sun/star/frame/XModel.hpp>
+#include <com/sun/star/rdf/Literal.hpp>
+#include <com/sun/star/rdf/Statement.hpp>
+#include <com/sun/star/rdf/URI.hpp>
+#include <com/sun/star/rdf/XDocumentMetadataAccess.hpp>
+
+#include <comphelper/processfactory.hxx>
+
+#include <doc.hxx>
+#include <docsh.hxx>
+#include <ndtxt.hxx>
+#include <unoparagraph.hxx>
+
+using namespace com::sun::star;
+
+css::uno::Sequence<css::uno::Reference<css::rdf::XURI>> SwRDFHelper::getGraphNames(
+    const css::uno::Reference<rdf::XDocumentMetadataAccess>& xDocumentMetadataAccess,
+    const css::uno::Reference<rdf::XURI>& xType)
+{
+    try
+    {
+        return xDocumentMetadataAccess->getMetadataGraphsWithType(xType);
+    }
+    catch (const uno::RuntimeException&)
+    {
+        return uno::Sequence<uno::Reference<rdf::XURI>>();
+    }
+}
+
+css::uno::Sequence<uno::Reference<css::rdf::XURI>>
+SwRDFHelper::getGraphNames(const css::uno::Reference<css::frame::XModel>& xModel,
+                           const OUString& rType)
+{
+    try
+    {
+        uno::Reference<uno::XComponentContext> xComponentContext(
+            comphelper::getProcessComponentContext());
+        // rdf::URI::create may fail with type: com.sun.star.uno.DeploymentException
+        // message: component context fails to supply service com.sun.star.rdf.URI of type com.sun.star.rdf.XURI
+        // context: cppu::ComponentContext
+        uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
+        uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel,
+                                                                             uno::UNO_QUERY);
+        return getGraphNames(xDocumentMetadataAccess, xType);
+    }
+    catch (const ::css::uno::Exception&)
+    {
+        return uno::Sequence<uno::Reference<rdf::XURI>>();
+    }
+}
+
+std::map<OUString, OUString>
+SwRDFHelper::getStatements(const css::uno::Reference<css::frame::XModel>& xModel,
+                           const uno::Sequence<uno::Reference<css::rdf::XURI>>& rGraphNames,
+                           const css::uno::Reference<css::rdf::XResource>& xSubject)
+{
+    std::map<OUString, OUString> aRet;
+    if (!rGraphNames.hasElements())
+        return aRet;
+
+    uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel, uno::UNO_QUERY);
+    const uno::Reference<rdf::XRepository>& xRepo = xDocumentMetadataAccess->getRDFRepository();
+    for (const uno::Reference<rdf::XURI>& xGraphName : rGraphNames)
+    {
+        uno::Reference<rdf::XNamedGraph> xGraph = xRepo->getGraph(xGraphName);
+        if (!xGraph.is())
+            continue;
+
+        uno::Reference<container::XEnumeration> xStatements = xGraph->getStatements(
+            xSubject, uno::Reference<rdf::XURI>(), uno::Reference<rdf::XURI>());
+        while (xStatements->hasMoreElements())
+        {
+            const rdf::Statement aStatement = xStatements->nextElement().get<rdf::Statement>();
+            aRet[aStatement.Predicate->getStringValue()] = aStatement.Object->getStringValue();
+        }
+    }
+
+    return aRet;
+}
+
+std::map<OUString, OUString>
+SwRDFHelper::getStatements(const css::uno::Reference<css::frame::XModel>& xModel,
+                           const OUString& rType,
+                           const css::uno::Reference<css::rdf::XResource>& xSubject)
+{
+    return getStatements(xModel, getGraphNames(xModel, rType), xSubject);
+}
+
+void SwRDFHelper::addStatement(const css::uno::Reference<css::frame::XModel>& xModel,
+                               const OUString& rType, const OUString& rPath,
+                               const css::uno::Reference<css::rdf::XResource>& xSubject,
+                               const OUString& rKey, const OUString& rValue)
+{
+    uno::Reference<uno::XComponentContext> xComponentContext(comphelper::getProcessComponentContext());
+    uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
+    uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel, uno::UNO_QUERY);
+    const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
+    uno::Reference<rdf::XURI> xGraphName;
+    if (aGraphNames.hasElements())
+        xGraphName = aGraphNames[0];
+    else
+    {
+        uno::Sequence< uno::Reference<rdf::XURI> > xTypes = { xType };
+        xGraphName = xDocumentMetadataAccess->addMetadataFile(rPath, xTypes);
+    }
+    uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(xGraphName);
+    uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, rKey);
+    uno::Reference<rdf::XLiteral> xValue = rdf::Literal::create(xComponentContext, rValue);
+    xGraph->addStatement(xSubject, xKey, xValue);
+}
+
+bool SwRDFHelper::hasMetadataGraph(const css::uno::Reference<css::frame::XModel>& xModel, const OUString& rType)
+{
+    uno::Reference<uno::XComponentContext> xComponentContext(comphelper::getProcessComponentContext());
+    uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
+    uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel, uno::UNO_QUERY);
+    return getGraphNames(xDocumentMetadataAccess, xType).hasElements();
+}
+
+void SwRDFHelper::removeStatement(const css::uno::Reference<css::frame::XModel>& xModel,
+                                  const OUString& rType,
+                                  const css::uno::Reference<css::rdf::XResource>& xSubject,
+                                  const OUString& rKey, const OUString& rValue)
+{
+    uno::Reference<uno::XComponentContext> xComponentContext(comphelper::getProcessComponentContext());
+    uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
+    uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel, uno::UNO_QUERY);
+    const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
+    if (!aGraphNames.hasElements())
+        return;
+
+    uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(aGraphNames[0]);
+    uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, rKey);
+    uno::Reference<rdf::XLiteral> xValue = rdf::Literal::create(xComponentContext, rValue);
+    xGraph->removeStatements(xSubject, xKey, xValue);
+}
+
+void SwRDFHelper::clearStatements(const css::uno::Reference<css::frame::XModel>& xModel,
+                                  const OUString& rType,
+                                  const css::uno::Reference<css::rdf::XResource>& xSubject)
+{
+    uno::Reference<uno::XComponentContext> xComponentContext(comphelper::getProcessComponentContext());
+    uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
+    uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xModel, uno::UNO_QUERY);
+    const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
+    if (!aGraphNames.hasElements())
+        return;
+
+    for (const uno::Reference<rdf::XURI>& xGraphName : aGraphNames)
+    {
+        uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(xGraphName);
+        uno::Reference<container::XEnumeration> xStatements = xGraph->getStatements(xSubject, uno::Reference<rdf::XURI>(), uno::Reference<rdf::XURI>());
+        while (xStatements->hasMoreElements())
+        {
+            rdf::Statement aStatement = xStatements->nextElement().get<rdf::Statement>();
+            uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, aStatement.Predicate->getStringValue());
+            uno::Reference<rdf::XLiteral> xValue = rdf::Literal::create(xComponentContext, aStatement.Object->getStringValue());
+            xGraph->removeStatements(xSubject, xKey, xValue);
+        }
+    }
+}
+
+void SwRDFHelper::cloneStatements(const css::uno::Reference<css::frame::XModel>& xSrcModel,
+                                  const css::uno::Reference<css::frame::XModel>& xDstModel,
+                                  const OUString& rType,
+                                  const css::uno::Reference<css::rdf::XResource>& xSrcSubject,
+                                  const css::uno::Reference<css::rdf::XResource>& xDstSubject)
+{
+    uno::Reference<uno::XComponentContext> xComponentContext(comphelper::getProcessComponentContext());
+    uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
+    uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(xSrcModel, uno::UNO_QUERY);
+    const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
+    if (!aGraphNames.hasElements())
+        return;
+
+    for (const uno::Reference<rdf::XURI>& xGraphName : aGraphNames)
+    {
+        uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(xGraphName);
+        uno::Reference<container::XEnumeration> xStatements = xGraph->getStatements(xSrcSubject, uno::Reference<rdf::XURI>(), uno::Reference<rdf::XURI>());
+        while (xStatements->hasMoreElements())
+        {
+            const rdf::Statement aStatement = xStatements->nextElement().get<rdf::Statement>();
+
+            const OUString sKey = aStatement.Predicate->getStringValue();
+            const OUString sValue = aStatement.Object->getStringValue();
+            addStatement(xDstModel, rType, xGraphName->getLocalName(), xDstSubject, sKey, sValue);
+        }
+    }
+}
+
+std::map<OUString, OUString> SwRDFHelper::getTextNodeStatements(const OUString& rType, SwTextNode& rTextNode)
+{
+    uno::Reference<rdf::XResource> xTextNode(SwXParagraph::CreateXParagraph(rTextNode.GetDoc(), &rTextNode), uno::UNO_QUERY);
+    return getStatements(rTextNode.GetDoc().GetDocShell()->GetBaseModel(), rType, xTextNode);
+}
+
+void SwRDFHelper::addTextNodeStatement(const OUString& rType, const OUString& rPath, SwTextNode& rTextNode, const OUString& rKey, const OUString& rValue)
+{
+    uno::Reference<rdf::XResource> xSubject(SwXParagraph::CreateXParagraph(rTextNode.GetDoc(), &rTextNode), uno::UNO_QUERY);
+    addStatement(rTextNode.GetDoc().GetDocShell()->GetBaseModel(), rType, rPath, xSubject, rKey, rValue);
+}
+
+void SwRDFHelper::removeTextNodeStatement(const OUString& rType, SwTextNode& rTextNode, const OUString& rKey, const OUString& rValue)
+{
+    uno::Reference<uno::XComponentContext> xComponentContext(comphelper::getProcessComponentContext());
+    uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
+    uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(rTextNode.GetDoc().GetDocShell()->GetBaseModel(), uno::UNO_QUERY);
+    const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
+    if (!aGraphNames.hasElements())
+        return;
+
+    uno::Reference<rdf::XURI> xGraphName = aGraphNames[0];
+    uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(xGraphName);
+    uno::Reference<rdf::XResource> xSubject(SwXParagraph::CreateXParagraph(rTextNode.GetDoc(), &rTextNode), uno::UNO_QUERY);
+    uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, rKey);
+    uno::Reference<rdf::XLiteral> xValue = rdf::Literal::create(xComponentContext, rValue);
+    xGraph->removeStatements(xSubject, xKey, xValue);
+}
+
+void SwRDFHelper::updateTextNodeStatement(const OUString& rType, const OUString& rPath, SwTextNode& rTextNode, const OUString& rKey, const OUString& rOldValue, const OUString& rNewValue)
+{
+    uno::Reference<uno::XComponentContext> xComponentContext(comphelper::getProcessComponentContext());
+    uno::Reference<rdf::XURI> xType = rdf::URI::create(xComponentContext, rType);
+    uno::Reference<rdf::XDocumentMetadataAccess> xDocumentMetadataAccess(rTextNode.GetDoc().GetDocShell()->GetBaseModel(), uno::UNO_QUERY);
+    const uno::Sequence< uno::Reference<rdf::XURI> > aGraphNames = getGraphNames(xDocumentMetadataAccess, xType);
+    uno::Reference<rdf::XURI> xGraphName;
+    if (aGraphNames.hasElements())
+    {
+        xGraphName = aGraphNames[0];
+    }
+    else
+    {
+        uno::Sequence< uno::Reference<rdf::XURI> > xTypes = { xType };
+        xGraphName = xDocumentMetadataAccess->addMetadataFile(rPath, xTypes);
+    }
+
+    uno::Reference<rdf::XNamedGraph> xGraph = xDocumentMetadataAccess->getRDFRepository()->getGraph(xGraphName);
+    uno::Reference<rdf::XResource> xSubject(SwXParagraph::CreateXParagraph(rTextNode.GetDoc(), &rTextNode), uno::UNO_QUERY);
+    uno::Reference<rdf::XURI> xKey = rdf::URI::create(xComponentContext, rKey);
+
+    if (aGraphNames.hasElements())
+    {
+        // Remove the old value.
+        uno::Reference<rdf::XLiteral> xOldValue = rdf::Literal::create(xComponentContext, rOldValue);
+        xGraph->removeStatements(xSubject, xKey, xOldValue);
+    }
+
+    // Now add it with new value.
+    uno::Reference<rdf::XLiteral> xNewValue = rdf::Literal::create(xComponentContext, rNewValue);
+    xGraph->addStatement(xSubject, xKey, xNewValue);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */