/* -*- 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/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include "smdetect.hxx" #include #include #include #include #include #include #include #include #include "eqnolefilehdr.hxx" using namespace ::com::sun::star; using namespace ::com::sun::star::uno; using namespace ::com::sun::star::io; using namespace ::com::sun::star::task; using namespace ::com::sun::star::beans; using namespace ::com::sun::star::lang; using utl::MediaDescriptor; SmFilterDetect::SmFilterDetect() { } SmFilterDetect::~SmFilterDetect() { } OUString SAL_CALL SmFilterDetect::detect( Sequence< PropertyValue >& lDescriptor ) { MediaDescriptor aMediaDesc( lDescriptor ); uno::Reference< io::XInputStream > xInStream ( aMediaDesc[MediaDescriptor::PROP_INPUTSTREAM], uno::UNO_QUERY ); if ( !xInStream.is() ) return OUString(); SfxMedium aMedium; aMedium.UseInteractionHandler( false ); aMedium.setStreamToLoadFrom( xInStream, true ); SvStream *pInStrm = aMedium.GetInStream(); if ( !pInStrm || pInStrm->GetError() ) return OUString(); // Do not attempt to create an SotStorage on a // 0-length stream as that would create the compound // document header on the stream and effectively write to // disk! pInStrm->Seek( STREAM_SEEK_TO_BEGIN ); if ( pInStrm->remainingSize() == 0 ) return OUString(); bool bStorageOk = false; try { tools::SvRef aStorage = new SotStorage( pInStrm, false ); bStorageOk = !aStorage->GetError(); if (bStorageOk) { if ( aStorage->IsStream("Equation Native") ) { sal_uInt8 nVersion; if ( GetMathTypeVersion( aStorage.get(), nVersion ) && nVersion <=3 ) return "math_MathType_3x"; } } } catch (const css::ucb::ContentCreationException &) { TOOLS_WARN_EXCEPTION("starmath", "SmFilterDetect::detect caught" ); } if (!bStorageOk) { // 200 should be enough for the XML // version, encoding and !DOCTYPE // stuff I hope? static const sal_uInt16 nBufferSize = 200; char aBuffer[nBufferSize+1]; pInStrm->Seek( STREAM_SEEK_TO_BEGIN ); pInStrm->StartReadingUnicodeText( RTL_TEXTENCODING_DONTKNOW ); // avoid BOM marker auto nBytesRead = pInStrm->ReadBytes( aBuffer, nBufferSize ); if (nBytesRead >= 6) { aBuffer[nBytesRead] = 0; bool bIsMathType = false; if (0 == strncmp( "" ) || strstr( aBuffer, " ", aBuffer, 7) || 0 == strncmp( " ", aBuffer, 12)); if ( bIsMathType ) return "math_MathML_XML_Math"; } } return OUString(); } /* XServiceInfo */ OUString SAL_CALL SmFilterDetect::getImplementationName() { return "com.sun.star.comp.math.FormatDetector"; } /* XServiceInfo */ sal_Bool SAL_CALL SmFilterDetect::supportsService( const OUString& sServiceName ) { return cppu::supportsService(this, sServiceName); } /* XServiceInfo */ Sequence< OUString > SAL_CALL SmFilterDetect::getSupportedServiceNames() { return { "com.sun.star.frame.ExtendedTypeDetection" }; } extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface* math_FormatDetector_get_implementation(uno::XComponentContext* /*pCtx*/, uno::Sequence const& /*rSeq*/) { return cppu::acquire(new SmFilterDetect); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ stro/collabora/lov-4.4
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path: root/include/sfx2/objface.hxx
AgeCommit message (Expand)Author
2024-01-29tdf#143148 use pragma once instead of include guardsKeldin Maldonado (KNM)
2020-10-06loplugin:const& make some params and methods constNoel
2020-03-12Revert "loplugin:constfields in sfx2"Noel Grandin