1 files changed, 107 insertions, 0 deletions
diff --git a/sc/source/filter/orcus/filterdetect.cxx b/sc/source/filter/orcus/filterdetect.cxx
new file mode 100644
index 000000000..21eb1d492
--- /dev/null
+++ b/sc/source/filter/orcus/filterdetect.cxx
@@ -0,0 +1,107 @@
+/* -*- 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 <com/sun/star/document/XExtendedFilterDetection.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <cppuhelper/implbase.hxx>
+
+#include <unotools/mediadescriptor.hxx>
+
+#include <tools/stream.hxx>
+
+#include <orcus/format_detection.hpp>
+
+namespace com::sun::star::uno { class XComponentContext; }
+
+namespace {
+
+class OrcusFormatDetect : public ::cppu::WeakImplHelper<
+                          css::document::XExtendedFilterDetection,
+                          css::lang::XServiceInfo >
+{
+public:
+    explicit            OrcusFormatDetect();
+
+    virtual OUString SAL_CALL getImplementationName() override;
+
+    virtual sal_Bool SAL_CALL supportsService(const OUString& rServiceName) override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+    virtual OUString SAL_CALL
+                        detect( css::uno::Sequence< css::beans::PropertyValue >& rMediaDescSeq ) override;
+
+private:
+};
+
+OrcusFormatDetect::OrcusFormatDetect()
+{
+}
+
+OUString OrcusFormatDetect::getImplementationName()
+{
+    return OUString();
+}
+
+sal_Bool OrcusFormatDetect::supportsService(const OUString& /*rServiceName*/)
+{
+    return false;
+}
+
+css::uno::Sequence<OUString> OrcusFormatDetect::getSupportedServiceNames()
+{
+    return css::uno::Sequence<OUString>();
+}
+
+OUString OrcusFormatDetect::detect(css::uno::Sequence<css::beans::PropertyValue>& rMediaDescSeq)
+{
+    utl::MediaDescriptor aMediaDescriptor( rMediaDescSeq );
+    bool bAborted = aMediaDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_ABORTED, false);
+    if (bAborted)
+        return OUString();
+
+    css::uno::Reference<css::io::XInputStream> xInputStream(aMediaDescriptor[utl::MediaDescriptor::PROP_INPUTSTREAM], css::uno::UNO_QUERY );
+    SvMemoryStream aContent(xInputStream->available());
+
+    static const sal_Int32 nBytes = 4096;
+    css::uno::Sequence<sal_Int8> aSeq(nBytes);
+    bool bEnd = false;
+    while(!bEnd)
+    {
+        sal_Int32 nReadBytes = xInputStream->readBytes(aSeq, nBytes);
+        bEnd = (nReadBytes != nBytes);
+        aContent.WriteBytes(aSeq.getConstArray(), nReadBytes);
+    }
+
+    orcus::format_t eFormat = orcus::detect(static_cast<const unsigned char*>(aContent.GetData()), aContent.GetSize());
+
+    switch (eFormat)
+    {
+        case orcus::format_t::gnumeric:
+            return "Gnumeric XML";
+        case orcus::format_t::xls_xml:
+            return "calc_MS_Excel_2003_XML";
+        default:
+            ;
+    }
+
+    return OUString();
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_sc_OrcusFormatDetect_get_implementation(css::uno::XComponentContext* ,
+                                                           css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new OrcusFormatDetect());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */