xref: /aoo42x/main/svl/source/items/lckbitem.cxx (revision 40df464e)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svl.hxx"
26 
27 #define _LCKBITEM_CXX
28 #include <svl/lckbitem.hxx>
29 #include <svl/poolitem.hxx>
30 #include <com/sun/star/uno/Any.hxx>
31 #include <com/sun/star/uno/Sequence.hxx>
32 #include <tools/cachestr.hxx>
33 
34 // STATIC DATA -----------------------------------------------------------
35 
36 
37 // -----------------------------------------------------------------------
38 
39 TYPEINIT1_AUTOFACTORY(SfxLockBytesItem, SfxPoolItem);
40 
41 // -----------------------------------------------------------------------
42 
SfxLockBytesItem()43 SfxLockBytesItem::SfxLockBytesItem()
44 {
45 }
46 
47 // -----------------------------------------------------------------------
48 
SfxLockBytesItem(sal_uInt16 nW,SvLockBytes * pLockBytes)49 SfxLockBytesItem::SfxLockBytesItem( sal_uInt16 nW, SvLockBytes *pLockBytes )
50 :	SfxPoolItem( nW ),
51 	_xVal( pLockBytes )
52 {
53 }
54 
55 // -----------------------------------------------------------------------
56 
SfxLockBytesItem(sal_uInt16 nW,SvStream & rStream)57 SfxLockBytesItem::SfxLockBytesItem( sal_uInt16 nW, SvStream &rStream )
58 :	SfxPoolItem( nW )
59 {
60 	rStream.Seek( 0L );
61 	_xVal = new SvLockBytes( new SvCacheStream(), sal_True );
62 
63 	SvStream aLockBytesStream( _xVal );
64 	rStream >> aLockBytesStream;
65 }
66 
67 // -----------------------------------------------------------------------
68 
SfxLockBytesItem(const SfxLockBytesItem & rItem)69 SfxLockBytesItem::SfxLockBytesItem( const SfxLockBytesItem& rItem )
70 :	SfxPoolItem( rItem ),
71 	_xVal( rItem._xVal )
72 {
73 }
74 
75 // -----------------------------------------------------------------------
76 
~SfxLockBytesItem()77 SfxLockBytesItem::~SfxLockBytesItem()
78 {
79 }
80 
81 // -----------------------------------------------------------------------
82 
operator ==(const SfxPoolItem & rItem) const83 int SfxLockBytesItem::operator==( const SfxPoolItem& rItem ) const
84 {
85 	return ((SfxLockBytesItem&)rItem)._xVal == _xVal;
86 }
87 
88 // -----------------------------------------------------------------------
89 
Clone(SfxItemPool *) const90 SfxPoolItem* SfxLockBytesItem::Clone(SfxItemPool *) const
91 {
92 	return new SfxLockBytesItem( *this );
93 }
94 
95 // -----------------------------------------------------------------------
96 
97 #define MAX_BUF	32000
98 
Create(SvStream & rStream,sal_uInt16) const99 SfxPoolItem* SfxLockBytesItem::Create( SvStream &rStream, sal_uInt16 ) const
100 {
101 	sal_uInt32 nSize = 0;
102 	sal_uLong nActRead = 0;
103 	sal_Char cTmpBuf[MAX_BUF];
104 	SvMemoryStream aNewStream;
105 	rStream >> nSize;
106 
107 	do {
108 		sal_uLong nToRead;
109 		if( (nSize - nActRead) > MAX_BUF )
110 			nToRead = MAX_BUF;
111 		else
112 			nToRead = nSize - nActRead;
113 		nActRead += rStream.Read( cTmpBuf, nToRead );
114 		aNewStream.Write( cTmpBuf, nToRead );
115 	} while( nSize > nActRead );
116 
117 	return new SfxLockBytesItem( Which(), aNewStream );
118 }
119 
120 // -----------------------------------------------------------------------
121 
Store(SvStream & rStream,sal_uInt16) const122 SvStream& SfxLockBytesItem::Store(SvStream &rStream, sal_uInt16 ) const
123 {
124 	SvStream aLockBytesStream( _xVal );
125 	sal_uInt32 nSize = aLockBytesStream.Seek( STREAM_SEEK_TO_END );
126 	aLockBytesStream.Seek( 0L );
127 
128 	rStream << nSize;
129 	rStream << aLockBytesStream;
130 
131 	return rStream;
132 }
133 
134 //----------------------------------------------------------------------------
135 // virtual
PutValue(const com::sun::star::uno::Any & rVal,sal_uInt8)136 sal_Bool SfxLockBytesItem::PutValue( const com::sun::star::uno::Any& rVal, sal_uInt8 )
137 {
138 	com::sun::star::uno::Sequence< sal_Int8 > aSeq;
139 	if ( rVal >>= aSeq )
140 	{
141 		if ( aSeq.getLength() )
142 		{
143 			SvCacheStream* pStream = new SvCacheStream;
144 			pStream->Write( (void*)aSeq.getConstArray(), aSeq.getLength() );
145 			pStream->Seek(0);
146 
147 			_xVal = new SvLockBytes( pStream, sal_True );
148 		}
149 		else
150 			_xVal = NULL;
151 
152 		return sal_True;
153 	}
154 
155 	DBG_ERROR( "SfxLockBytesItem::PutValue - Wrong type!" );
156 	return sal_False;
157 }
158 
159 //----------------------------------------------------------------------------
160 // virtual
QueryValue(com::sun::star::uno::Any & rVal,sal_uInt8) const161 sal_Bool SfxLockBytesItem::QueryValue( com::sun::star::uno::Any& rVal,sal_uInt8 ) const
162 {
163 	if ( _xVal.Is() )
164 	{
165 		sal_uInt32 nLen;
166 		SvLockBytesStat aStat;
167 
168 		if ( _xVal->Stat( &aStat, SVSTATFLAG_DEFAULT ) == ERRCODE_NONE )
169 			nLen = aStat.nSize;
170 		else
171 			return sal_False;
172 
173 		sal_uLong nRead = 0;
174 		com::sun::star::uno::Sequence< sal_Int8 > aSeq( nLen );
175 
176 		_xVal->ReadAt( 0, aSeq.getArray(), nLen, &nRead );
177 		rVal <<= aSeq;
178 	}
179 	else
180 	{
181 		com::sun::star::uno::Sequence< sal_Int8 > aSeq( 0 );
182 		rVal <<= aSeq;
183 	}
184 
185 	return sal_True;
186 }
187 
188