Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 126 insertions, 0 deletions

diff --git a/sc/source/ui/dataprovider/xmldataprovider.cxx b/sc/source/ui/dataprovider/xmldataprovider.cxx
new file mode 100644
index 000000000..4ffa45bd1
--- /dev/null
+++ b/sc/source/ui/dataprovider/xmldataprovider.cxx
@@ -0,0 +1,126 @@
+/* -*- 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 "xmldataprovider.hxx"
+#include <datatransformation.hxx>
+#include <salhelper/thread.hxx>
+#include <filter.hxx>
+#include <document.hxx>
+#include <datamapper.hxx>
+#include <vcl/svapp.hxx>
+#include <orcusfilters.hxx>
+#include <utility>
+
+using namespace com::sun::star;
+
+namespace sc
+{
+class XMLFetchThread : public salhelper::Thread
+{
+    ScDocument& mrDocument;
+    OUString maURL;
+    OUString maID;
+    ScOrcusImportXMLParam maParam;
+    std::unique_ptr<ScOrcusXMLContext> mpXMLContext;
+    const std::vector<std::shared_ptr<sc::DataTransformation>> maDataTransformations;
+    std::function<void()> maImportFinishedHdl;
+
+public:
+    XMLFetchThread(ScDocument& rDoc, const OUString&, const ScOrcusImportXMLParam& rParam,
+                   const OUString& rID, std::function<void()> aImportFinishedHdl,
+                   std::vector<std::shared_ptr<sc::DataTransformation>>&& rTransformations);
+    virtual void execute() override;
+};
+
+XMLFetchThread::XMLFetchThread(
+    ScDocument& rDoc, const OUString& rURL, const ScOrcusImportXMLParam& rParam,
+    const OUString& rID, std::function<void()> aImportFinishedHdl,
+    std::vector<std::shared_ptr<sc::DataTransformation>>&& rTransformations)
+    : salhelper::Thread("XML Fetch Thread")
+    , mrDocument(rDoc)
+    , maURL(rURL)
+    , maID(rID)
+    , maParam(rParam)
+    , maDataTransformations(std::move(rTransformations))
+    , maImportFinishedHdl(std::move(aImportFinishedHdl))
+{
+}
+
+void XMLFetchThread::execute()
+{
+    ScOrcusFilters* pOrcus = ScFormatFilter::Get().GetOrcusFilters();
+    if (!pOrcus)
+        return;
+
+    mpXMLContext = pOrcus->createXMLContext(mrDocument, maURL);
+    if (!mpXMLContext)
+        return;
+
+    if (!maID.isEmpty())
+    {
+        ScOrcusImportXMLParam::RangeLink aRangeLink;
+        aRangeLink.maPos = ScAddress(0, 0, 0);
+        aRangeLink.maFieldPaths.push_back(OUStringToOString(maID, RTL_TEXTENCODING_UTF8));
+        maParam.maRangeLinks.clear();
+        maParam.maRangeLinks.push_back(aRangeLink);
+    }
+    // Do the import.
+    mpXMLContext->importXML(maParam);
+
+    for (auto& itr : maDataTransformations)
+    {
+        itr->Transform(mrDocument);
+    }
+
+    SolarMutexGuard aGuard;
+    maImportFinishedHdl();
+}
+
+XMLDataProvider::XMLDataProvider(ScDocument* pDoc, sc::ExternalDataSource& rDataSource)
+    : DataProvider(rDataSource)
+    , mpDocument(pDoc)
+{
+}
+
+XMLDataProvider::~XMLDataProvider()
+{
+    if (mxXMLFetchThread.is())
+    {
+        SolarMutexReleaser aReleaser;
+        mxXMLFetchThread->join();
+    }
+}
+
+void XMLDataProvider::Import()
+{
+    // already importing data
+    if (mpDoc)
+        return;
+
+    mpDoc.reset(new ScDocument(SCDOCMODE_CLIP));
+    mpDoc->ResetClip(mpDocument, SCTAB(0));
+    mxXMLFetchThread = new XMLFetchThread(*mpDoc, mrDataSource.getURL(),
+                                          mrDataSource.getXMLImportParam(), mrDataSource.getID(),
+                                          std::bind(&XMLDataProvider::ImportFinished, this),
+                                          std::vector(mrDataSource.getDataTransformation()));
+    mxXMLFetchThread->launch();
+
+    if (mbDeterministic)
+    {
+        SolarMutexReleaser aReleaser;
+        mxXMLFetchThread->join();
+    }
+}
+
+void XMLDataProvider::ImportFinished() { mrDataSource.getDBManager()->WriteToDoc(*mpDoc); }
+
+const OUString& XMLDataProvider::GetURL() const { return mrDataSource.getURL(); }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */