xref: /aoo4110/main/vos/source/stream.cxx (revision b1cdbd2c)
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21 
22 
23 
24 #include <limits>
25 
26 #include <osl/diagnose.h>
27 #include <vos/object.hxx>
28 #include <vos/stream.hxx>
29 
30 using namespace vos;
31 
32 /////////////////////////////////////////////////////////////////////////////
33 //
34 // Stream class
35 //
36 
37 VOS_IMPLEMENT_CLASSINFO(VOS_CLASSNAME(OStream, vos), VOS_NAMESPACE(OStream, vos), VOS_NAMESPACE(OObject, vos), 0);
38 
OStream(IPositionableStream & rStream)39 OStream::OStream(IPositionableStream& rStream)
40 	: m_rStream(rStream)
41 {
42 }
43 
~OStream()44 OStream::~OStream()
45 {
46 }
47 
read(void * pbuffer,sal_uInt32 n) const48 sal_Int32 OStream::read(void* pbuffer, sal_uInt32 n) const
49 {
50     return (m_rStream.read(pbuffer, n));
51 }
52 
read(IPositionableStream::Offset offset,void * pbuffer,sal_uInt32 n) const53 sal_Int32 OStream::read(IPositionableStream::Offset offset,
54 				      void* pbuffer, sal_uInt32 n) const
55 {
56     return (seekTo(offset) ? read(pbuffer, n) : -1);
57 }
58 
write(const void * pbuffer,sal_uInt32 n)59 sal_Int32 OStream::write(const void* pbuffer, sal_uInt32 n)
60 {
61 	return
62         n <= static_cast< sal_uInt32 >(std::numeric_limits< sal_Int32 >::max())
63         && (m_rStream.write(pbuffer, n) == static_cast< sal_Int32 >(n));
64 }
65 
write(IPositionableStream::Offset offset,const void * pbuffer,sal_uInt32 n)66 sal_Int32 OStream::write(IPositionableStream::Offset offset,
67 					   const void* pbuffer, sal_uInt32 n)
68 {
69     return (seekTo(offset) && write(pbuffer, n));
70 }
71 
append(void * pbuffer,sal_uInt32 n)72 sal_Bool OStream::append(void* pbuffer, sal_uInt32 n)
73 {
74     return (seekToEnd() && write(pbuffer, n));
75 }
76 
seekTo(IPositionableStream::Offset pos) const77 sal_Bool OStream::seekTo(IPositionableStream::Offset pos) const
78 {
79     return (m_rStream.seekTo(pos));
80 }
81 
seekToEnd() const82 sal_Bool OStream::seekToEnd() const
83 {
84     return (m_rStream.seekToEnd());
85 }
86 
seekRelative(sal_Int32 change) const87 sal_Bool OStream::seekRelative(sal_Int32 change) const
88 {
89     return (m_rStream.seekRelative(change));
90 }
91 
changeSize(sal_uInt32 new_size)92 sal_Bool OStream::changeSize(sal_uInt32 new_size)
93 {
94 	return (m_rStream.changeSize(new_size));
95 }
96 
getSize() const97 sal_uInt32 OStream::getSize() const
98 {
99 	return (m_rStream.getSize());
100 }
101 
isEof() const102 sal_Bool OStream::isEof() const
103 {
104 	return (m_rStream.isEof());
105 }
106 
getOffset() const107 IPositionableStream::Offset OStream::getOffset() const
108 {
109 	return (m_rStream.getOffset());
110 }
111 
112