1*6d3a6a0bSAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*6d3a6a0bSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
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11*6d3a6a0bSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
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20*6d3a6a0bSAndrew Rist *************************************************************/
21*6d3a6a0bSAndrew Rist
22*6d3a6a0bSAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir //------------------------------------------------------------------------
25cdf0e10cSrcweir // includes
26cdf0e10cSrcweir //------------------------------------------------------------------------
27cdf0e10cSrcweir
28cdf0e10cSrcweir #include "AutoBuffer.hxx"
29cdf0e10cSrcweir #include <osl/diagnose.h>
30cdf0e10cSrcweir
31cdf0e10cSrcweir #include <windows.h>
32cdf0e10cSrcweir
33cdf0e10cSrcweir //------------------------------------------------------------------------
34cdf0e10cSrcweir // namespace directives
35cdf0e10cSrcweir //------------------------------------------------------------------------
36cdf0e10cSrcweir
37cdf0e10cSrcweir using rtl::OUString;
38cdf0e10cSrcweir
39cdf0e10cSrcweir //------------------------------------------------------------------------
40cdf0e10cSrcweir //
41cdf0e10cSrcweir //------------------------------------------------------------------------
42cdf0e10cSrcweir
CAutoUnicodeBuffer(size_t size,sal_Bool bLazyCreation)43cdf0e10cSrcweir CAutoUnicodeBuffer::CAutoUnicodeBuffer( size_t size, sal_Bool bLazyCreation ) :
44cdf0e10cSrcweir m_buffSize( size ),
45cdf0e10cSrcweir m_pBuff( NULL )
46cdf0e10cSrcweir {
47cdf0e10cSrcweir if ( !bLazyCreation )
48cdf0e10cSrcweir init( );
49cdf0e10cSrcweir }
50cdf0e10cSrcweir
51cdf0e10cSrcweir //------------------------------------------------------------------------
52cdf0e10cSrcweir //
53cdf0e10cSrcweir //------------------------------------------------------------------------
54cdf0e10cSrcweir
~CAutoUnicodeBuffer()55cdf0e10cSrcweir CAutoUnicodeBuffer::~CAutoUnicodeBuffer( )
56cdf0e10cSrcweir {
57cdf0e10cSrcweir delete [] m_pBuff;
58cdf0e10cSrcweir }
59cdf0e10cSrcweir
60cdf0e10cSrcweir //------------------------------------------------------------------------
61cdf0e10cSrcweir //
62cdf0e10cSrcweir //------------------------------------------------------------------------
63cdf0e10cSrcweir
resize(size_t new_size)64cdf0e10cSrcweir sal_Bool SAL_CALL CAutoUnicodeBuffer::resize( size_t new_size )
65cdf0e10cSrcweir {
66cdf0e10cSrcweir OSL_ASSERT( new_size >= 0 );
67cdf0e10cSrcweir
68cdf0e10cSrcweir if ( new_size != m_buffSize )
69cdf0e10cSrcweir {
70cdf0e10cSrcweir if ( new_size > m_buffSize )
71cdf0e10cSrcweir {
72cdf0e10cSrcweir delete [] m_pBuff;
73cdf0e10cSrcweir m_pBuff = NULL;
74cdf0e10cSrcweir }
75cdf0e10cSrcweir
76cdf0e10cSrcweir m_buffSize = new_size;
77cdf0e10cSrcweir }
78cdf0e10cSrcweir
79cdf0e10cSrcweir return sal_True;
80cdf0e10cSrcweir }
81cdf0e10cSrcweir
82cdf0e10cSrcweir //------------------------------------------------------------------------
83cdf0e10cSrcweir //
84cdf0e10cSrcweir //------------------------------------------------------------------------
85cdf0e10cSrcweir
empty()86cdf0e10cSrcweir void SAL_CALL CAutoUnicodeBuffer::empty( )
87cdf0e10cSrcweir {
88cdf0e10cSrcweir if ( m_pBuff )
89cdf0e10cSrcweir ZeroMemory( m_pBuff, m_buffSize * sizeof( sal_Unicode ) );
90cdf0e10cSrcweir }
91cdf0e10cSrcweir
92cdf0e10cSrcweir //------------------------------------------------------------------------
93cdf0e10cSrcweir //
94cdf0e10cSrcweir //------------------------------------------------------------------------
95cdf0e10cSrcweir
fill(const sal_Unicode * pContent,size_t nLen)96cdf0e10cSrcweir sal_Bool SAL_CALL CAutoUnicodeBuffer::fill( const sal_Unicode* pContent, size_t nLen )
97cdf0e10cSrcweir {
98cdf0e10cSrcweir OSL_ASSERT( pContent && m_buffSize && (m_buffSize >= nLen) );
99cdf0e10cSrcweir
100cdf0e10cSrcweir init( );
101cdf0e10cSrcweir
102cdf0e10cSrcweir sal_Bool bRet = sal_False;
103cdf0e10cSrcweir
104cdf0e10cSrcweir if ( m_pBuff && pContent && nLen )
105cdf0e10cSrcweir {
106cdf0e10cSrcweir CopyMemory( m_pBuff, pContent, nLen * sizeof( sal_Unicode ) );
107cdf0e10cSrcweir bRet = sal_True;
108cdf0e10cSrcweir }
109cdf0e10cSrcweir
110cdf0e10cSrcweir return bRet;
111cdf0e10cSrcweir }
112cdf0e10cSrcweir
113cdf0e10cSrcweir //------------------------------------------------------------------------
114cdf0e10cSrcweir //
115cdf0e10cSrcweir //------------------------------------------------------------------------
116cdf0e10cSrcweir
size() const117cdf0e10cSrcweir size_t SAL_CALL CAutoUnicodeBuffer::size( ) const
118cdf0e10cSrcweir {
119cdf0e10cSrcweir return m_buffSize;
120cdf0e10cSrcweir }
121cdf0e10cSrcweir
122cdf0e10cSrcweir //------------------------------------------------------------------------
123cdf0e10cSrcweir //
124cdf0e10cSrcweir //------------------------------------------------------------------------
125cdf0e10cSrcweir
operator sal_Unicode*()126cdf0e10cSrcweir CAutoUnicodeBuffer::operator sal_Unicode*( )
127cdf0e10cSrcweir {
128cdf0e10cSrcweir return m_pBuff;
129cdf0e10cSrcweir }
130cdf0e10cSrcweir
131cdf0e10cSrcweir //------------------------------------------------------------------------
132cdf0e10cSrcweir //
133cdf0e10cSrcweir //------------------------------------------------------------------------
134cdf0e10cSrcweir
operator &()135cdf0e10cSrcweir sal_Unicode* CAutoUnicodeBuffer::operator&( )
136cdf0e10cSrcweir {
137cdf0e10cSrcweir return m_pBuff;
138cdf0e10cSrcweir }
139cdf0e10cSrcweir
140cdf0e10cSrcweir //------------------------------------------------------------------------
141cdf0e10cSrcweir //
142cdf0e10cSrcweir //------------------------------------------------------------------------
143cdf0e10cSrcweir
operator &() const144cdf0e10cSrcweir const sal_Unicode* CAutoUnicodeBuffer::operator&( ) const
145cdf0e10cSrcweir {
146cdf0e10cSrcweir return m_pBuff;
147cdf0e10cSrcweir }
148cdf0e10cSrcweir
149cdf0e10cSrcweir //------------------------------------------------------------------------
150cdf0e10cSrcweir //
151cdf0e10cSrcweir //------------------------------------------------------------------------
152cdf0e10cSrcweir
init()153cdf0e10cSrcweir void SAL_CALL CAutoUnicodeBuffer::init( )
154cdf0e10cSrcweir {
155cdf0e10cSrcweir if ( !m_pBuff && (m_buffSize > 0) )
156cdf0e10cSrcweir m_pBuff = new sal_Unicode[ m_buffSize ];
157cdf0e10cSrcweir
158cdf0e10cSrcweir empty( );
159cdf0e10cSrcweir }
160