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18  */
19 #ifndef INCLUDED_PACKAGE_INC_BYTECHUCKER_HXX
20 #define INCLUDED_PACKAGE_INC_BYTECHUCKER_HXX
21 
22 #include <com/sun/star/uno/Sequence.h>
23 #include <com/sun/star/uno/Reference.h>
24 #include <com/sun/star/io/BufferSizeExceededException.hpp>
25 #include <com/sun/star/io/IOException.hpp>
26 #include <com/sun/star/io/NotConnectedException.hpp>
27 #include <com/sun/star/uno/RuntimeException.hpp>
28 #include <com/sun/star/lang/IllegalArgumentException.hpp>
29 
30 namespace com { namespace sun { namespace star {
31     namespace io { class XSeekable; class XOutputStream; }
32 } } }
33 class ByteChucker final
34 {
35     css::uno::Reference < css::io::XOutputStream > xStream;
36     css::uno::Reference < css::io::XSeekable > xSeek;
37     css::uno::Sequence < sal_Int8 > a2Sequence, a4Sequence;
38     sal_Int8 * const p2Sequence, * const p4Sequence;
39 
40 public:
41     ByteChucker (css::uno::Reference<css::io::XOutputStream> const & xOstream);
42     ~ByteChucker();
43 
44     /// @throws css::io::NotConnectedException
45     /// @throws css::io::BufferSizeExceededException
46     /// @throws css::io::IOException
47     /// @throws css::uno::RuntimeException
48     void WriteBytes( const css::uno::Sequence< sal_Int8 >& aData );
49 
50     /// @throws css::io::IOException
51     /// @throws css::uno::RuntimeException
52     sal_Int64 GetPosition();
53 
WriteInt16(sal_Int16 nInt16)54     void WriteInt16(sal_Int16 nInt16)
55     {
56         p2Sequence[0] = static_cast< sal_Int8 >((nInt16 >>  0 ) & 0xFF);
57         p2Sequence[1] = static_cast< sal_Int8 >((nInt16 >>  8 ) & 0xFF);
58         WriteBytes( a2Sequence );
59     }
60 
WriteInt32(sal_Int32 nInt32)61     void WriteInt32(sal_Int32 nInt32)
62     {
63         p4Sequence[0] = static_cast< sal_Int8 >((nInt32 >>  0 ) & 0xFF);
64         p4Sequence[1] = static_cast< sal_Int8 >((nInt32 >>  8 ) & 0xFF);
65         p4Sequence[2] = static_cast< sal_Int8 >((nInt32 >> 16 ) & 0xFF);
66         p4Sequence[3] = static_cast< sal_Int8 >((nInt32 >> 24 ) & 0xFF);
67         WriteBytes( a4Sequence );
68     }
69 
WriteUInt32(sal_uInt32 nuInt32)70     void WriteUInt32(sal_uInt32 nuInt32)
71     {
72         p4Sequence[0] = static_cast < sal_Int8 > ((nuInt32 >>  0 ) & 0xFF);
73         p4Sequence[1] = static_cast < sal_Int8 > ((nuInt32 >>  8 ) & 0xFF);
74         p4Sequence[2] = static_cast < sal_Int8 > ((nuInt32 >> 16 ) & 0xFF);
75         p4Sequence[3] = static_cast < sal_Int8 > ((nuInt32 >> 24 ) & 0xFF);
76         WriteBytes( a4Sequence );
77     }
78 };
79 
80 #endif
81 
82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
83