b56ca52cef
Change-Id: Ied15eb71ae3ae2d80ba839a6c99ea3cf620ca52f Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167598 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
119 lines
3.7 KiB
C++
119 lines
3.7 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 <unotools/mediadescriptor.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <sot/storage.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <document.hxx>
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#include "mathtype.hxx"
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#include <unomodel.hxx>
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#include <comphelper/diagnose_ex.hxx>
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using namespace ::com::sun::star;
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namespace
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{
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/// Invokes the MathType importer via UNO.
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class MathTypeFilter
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: public cppu::WeakImplHelper<document::XFilter, document::XImporter, lang::XServiceInfo>
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{
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uno::Reference<lang::XComponent> m_xDstDoc;
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public:
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MathTypeFilter();
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// XFilter
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sal_Bool SAL_CALL filter(const uno::Sequence<beans::PropertyValue>& rDescriptor) override;
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void SAL_CALL cancel() override;
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// XImporter
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void SAL_CALL setTargetDocument(const uno::Reference<lang::XComponent>& xDoc) override;
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// XServiceInfo
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OUString SAL_CALL getImplementationName() override;
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sal_Bool SAL_CALL supportsService(const OUString& rServiceName) override;
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uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
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};
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}
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MathTypeFilter::MathTypeFilter() = default;
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sal_Bool MathTypeFilter::filter(const uno::Sequence<beans::PropertyValue>& rDescriptor)
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{
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bool bSuccess = false;
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try
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{
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utl::MediaDescriptor aMediaDesc(rDescriptor);
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aMediaDesc.addInputStream();
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uno::Reference<io::XInputStream> xInputStream;
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aMediaDesc[utl::MediaDescriptor::PROP_INPUTSTREAM] >>= xInputStream;
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std::unique_ptr<SvStream> pStream(utl::UcbStreamHelper::CreateStream(xInputStream));
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if (pStream)
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{
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if (SotStorage::IsStorageFile(pStream.get()))
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{
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rtl::Reference<SotStorage> aStorage(new SotStorage(pStream.get(), false));
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// Is this a MathType Storage?
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if (aStorage->IsStream(u"Equation Native"_ustr))
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{
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if (auto pModel = dynamic_cast<SmModel*>(m_xDstDoc.get()))
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{
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auto pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
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OUStringBuffer aText(pDocShell->GetText());
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MathType aEquation(aText);
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bSuccess = aEquation.Parse(aStorage.get());
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if (bSuccess)
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{
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pDocShell->SetText(aText.makeStringAndClear());
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pDocShell->Parse();
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}
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}
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}
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}
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}
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}
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catch (const uno::Exception&)
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{
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DBG_UNHANDLED_EXCEPTION("starmath");
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}
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return bSuccess;
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}
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void MathTypeFilter::cancel() {}
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void MathTypeFilter::setTargetDocument(const uno::Reference<lang::XComponent>& xDoc)
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{
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m_xDstDoc = xDoc;
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}
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OUString MathTypeFilter::getImplementationName()
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{
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return u"com.sun.star.comp.Math.MathTypeFilter"_ustr;
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}
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sal_Bool MathTypeFilter::supportsService(const OUString& rServiceName)
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{
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return cppu::supportsService(this, rServiceName);
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}
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uno::Sequence<OUString> MathTypeFilter::getSupportedServiceNames()
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{
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return { u"com.sun.star.document.ImportFilter"_ustr };
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}
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extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
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com_sun_star_comp_Math_MathTypeFilter_get_implementation(uno::XComponentContext* /*pCtx*/,
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uno::Sequence<uno::Any> const& /*rSeq*/)
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{
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return cppu::acquire(new MathTypeFilter);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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