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/* -*- 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/uno/XComponentContext.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <cppuhelper/implbase.hxx>
#include <unotools/mediadescriptor.hxx>
#include <rtl/strbuf.hxx>
#include <orcus/format_detection.hpp>
namespace {
class OrcusFormatDetect : public ::cppu::WeakImplHelper<
css::document::XExtendedFilterDetection,
css::lang::XServiceInfo >
{
public:
explicit OrcusFormatDetect();
virtual ~OrcusFormatDetect();
virtual OUString SAL_CALL getImplementationName()
throw( css::uno::RuntimeException, std::exception ) override;
virtual sal_Bool SAL_CALL supportsService(const OUString& rServiceName)
throw( css::uno::RuntimeException, std::exception ) override;
virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames()
throw( css::uno::RuntimeException, std::exception ) override;
virtual OUString SAL_CALL
detect( css::uno::Sequence< css::beans::PropertyValue >& rMediaDescSeq )
throw( css::uno::RuntimeException, std::exception ) override;
private:
};
OrcusFormatDetect::OrcusFormatDetect()
{
}
OrcusFormatDetect::~OrcusFormatDetect()
{
}
OUString OrcusFormatDetect::getImplementationName()
throw( css::uno::RuntimeException, std::exception )
{
return OUString("");
}
sal_Bool OrcusFormatDetect::supportsService(const OUString& /*rServiceName*/)
throw( css::uno::RuntimeException, std::exception )
{
return false;
}
css::uno::Sequence<OUString> OrcusFormatDetect::getSupportedServiceNames()
throw( css::uno::RuntimeException, std::exception )
{
return css::uno::Sequence<OUString>();
}
OUString OrcusFormatDetect::detect(css::uno::Sequence<css::beans::PropertyValue>& rMediaDescSeq)
throw( css::uno::RuntimeException, std::exception )
{
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 );
static const sal_Int32 nBytes = 4096;
css::uno::Sequence<sal_Int8> aSeq(nBytes);
bool bEnd = false;
OStringBuffer aContent;
while(!bEnd)
{
sal_Int32 nReadBytes = xInputStream->readBytes(aSeq, nBytes);
bEnd = !(nReadBytes == nBytes);
aContent.append(reinterpret_cast<const char*>(aSeq.getConstArray()), nReadBytes);
}
orcus::format_t eFormat = orcus::detect(reinterpret_cast<const unsigned char*>(aContent.getStr()), aContent.getLength());
if (eFormat == orcus::format_t::gnumeric)
return OUString("Gnumeric XML");
return OUString();
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* SAL_CALL
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: */
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