filterdetect.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_OOX_CORE_FILTERDETECT_HXX
#define INCLUDED_OOX_CORE_FILTERDETECT_HXX
 
#include <vector>
 
#include <com/sun/star/document/XExtendedFilterDetection.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
#include <cppuhelper/implbase.hxx>
#include <oox/dllapi.h>
#include <rtl/ustring.hxx>
#include <sal/types.h>
 
namespace com::sun::star {
    namespace beans { struct PropertyValue; }
    namespace io { class XInputStream; }
    namespace uno { class XComponentContext; }
    namespace xml::sax { class XFastAttributeList; }
    namespace xml::sax { class XFastContextHandler; }
    namespace xml::sax { class XLocator; }
}
 
namespace utl { class MediaDescriptor; }
 
namespace oox { class AttributeList; }
 
namespace oox::core {
 
enum class OOXMLVariant {
    ECMA_Transitional,
    ISO_Transitional,
    ISO_Strict
};
 
 
class FilterDetectDocHandler final : public ::cppu::WeakImplHelper< css::xml::sax::XFastDocumentHandler >
{
public:
    explicit            FilterDetectDocHandler( const css::uno::Reference< css::uno::XComponentContext >& rxContext, OUString& rFilter, OUString aFileName );
    virtual             ~FilterDetectDocHandler() override;
 
    // XFastDocumentHandler
    virtual void SAL_CALL startDocument() override;
    virtual void SAL_CALL endDocument() override;
    virtual void SAL_CALL processingInstruction( const OUString& rTarget, const OUString& rData ) override;
    virtual void SAL_CALL setDocumentLocator( const css::uno::Reference< css::xml::sax::XLocator >& xLocator ) override;
 
    // XFastContextHandler
    virtual void SAL_CALL startFastElement( sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
    virtual void SAL_CALL startUnknownElement( const OUString& Namespace, const OUString& Name, const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
    virtual void SAL_CALL endFastElement( sal_Int32 Element ) override;
    virtual void SAL_CALL endUnknownElement( const OUString& Namespace, const OUString& Name ) override;
    virtual css::uno::Reference< XFastContextHandler > SAL_CALL createFastChildContext( sal_Int32 Element, const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
    virtual css::uno::Reference< XFastContextHandler > SAL_CALL createUnknownChildContext( const OUString& Namespace, const OUString& Name, const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
    virtual void SAL_CALL characters( const OUString& aChars ) override;
 
private:
    void                parseRelationship( const AttributeList& rAttribs );
 
    OUString            getFilterNameFromContentType( std::u16string_view rContentType, std::u16string_view rFileName );
    void                parseContentTypesDefault( const AttributeList& rAttribs );
    void                parseContentTypesOverride( const AttributeList& rAttribs );
 
private:
    typedef ::std::vector< sal_Int32 > ContextVector;
 
    OUString&           mrFilterName;
    OUString            maFileName;
    ContextVector       maContextStack;
    OUString            maTargetPath;
    OOXMLVariant        maOOXMLVariant;
    css::uno::Reference< css::uno::XComponentContext > mxContext;
};
 
 
class OOX_DLLPUBLIC FilterDetect final : public ::cppu::WeakImplHelper<css::document::XExtendedFilterDetection, css::lang::XServiceInfo>
{
public:
    explicit            FilterDetect( const css::uno::Reference< css::uno::XComponentContext >& rxContext );
    virtual             ~FilterDetect() override;
 
    css::uno::Reference< css::io::XInputStream >
                        extractUnencryptedPackage( utl::MediaDescriptor& rMediaDesc ) const;
 
    // com.sun.star.lang.XServiceInfo interface -------------------------------
 
    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;
 
    // com.sun.star.document.XExtendedFilterDetection interface ---------------
 
    virtual OUString SAL_CALL
                        detect( css::uno::Sequence< css::beans::PropertyValue >& rMediaDescSeq ) override;
 
private:
    css::uno::Reference< css::uno::XComponentContext > mxContext;
};
 
 
} // namespace oox::core
 
#endif
 
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