XUnbufferedStream.hxx

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#ifndef INCLUDED_PACKAGE_SOURCE_ZIPAPI_XUNBUFFEREDSTREAM_HXX
#define INCLUDED_PACKAGE_SOURCE_ZIPAPI_XUNBUFFEREDSTREAM_HXX
 
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/xml/crypto/XCipherContext.hpp>
 
#include <comphelper/refcountedmutex.hxx>
#include <cppuhelper/implbase.hxx>
#include <rtl/ref.hxx>
#include <package/Inflater.hxx>
#include <ZipEntry.hxx>
#include <CRC32.hxx>
 
namespace com::sun::star::uno {
    class XComponentContext;
}
 
#define UNBUFF_STREAM_DATA          0
#define UNBUFF_STREAM_RAW           1
#define UNBUFF_STREAM_WRAPPEDRAW    2
 
class EncryptionData;
class XUnbufferedStream final : public cppu::WeakImplHelper
<
    css::io::XInputStream
>
{
    rtl::Reference<comphelper::RefCountedMutex> maMutexHolder;
 
    css::uno::Reference < css::io::XInputStream > mxZipStream;
    css::uno::Reference < css::io::XSeekable > mxZipSeek;
    css::uno::Sequence < sal_Int8 > maCompBuffer, maHeader;
    ZipEntry maEntry;
    sal_Int32 mnBlockSize;
    css::uno::Reference< css::xml::crypto::XCipherContext > m_xCipherContext;
    ZipUtils::Inflater maInflater;
    bool mbRawStream, mbWrappedRaw;
    sal_Int16 mnHeaderToRead;
    sal_Int64 mnZipCurrent, mnZipEnd, mnZipSize, mnMyCurrent;
    CRC32 maCRC;
    bool mbCheckCRC;
 
public:
    XUnbufferedStream(
                 const css::uno::Reference< css::uno::XComponentContext >& xContext,
                 rtl::Reference<comphelper::RefCountedMutex> aMutexHolder,
                 ZipEntry const & rEntry,
                 css::uno::Reference < css::io::XInputStream > const & xNewZipStream,
                 const ::rtl::Reference< EncryptionData >& rData,
                 sal_Int8 nStreamMode,
                 bool bIsEncrypted,
                 const OUString& aMediaType,
                 bool bRecoveryMode );
 
    // allows to read package raw stream
    XUnbufferedStream(
                 rtl::Reference<comphelper::RefCountedMutex> aMutexHolder,
                 const css::uno::Reference < css::io::XInputStream >& xRawStream,
                 const ::rtl::Reference< EncryptionData >& rData );
 
    sal_Int64 getSize() const { return mnZipSize; }
 
    virtual ~XUnbufferedStream() override;
 
    // XInputStream
    virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override;
    virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override;
    virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
    virtual sal_Int32 SAL_CALL available(  ) override;
    virtual void SAL_CALL closeInput(  ) override;
};
#endif
 
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