1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "oox/helper/binaryoutputstream.hxx"
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <osl/diagnose.h>
#include <string.h>
namespace oox {
// ============================================================================
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::uno;
using ::rtl::OString;
using ::rtl::OUString;
using ::rtl::OUStringToOString;
namespace {
const sal_Int32 OUTPUTSTREAM_BUFFERSIZE = 0x8000;
} // namespace
// ============================================================================
BinaryXOutputStream::BinaryXOutputStream( const Reference< XOutputStream >& rxOutStrm, bool bAutoClose ) :
BinaryStreamBase( Reference< XSeekable >( rxOutStrm, UNO_QUERY ).is() ),
BinaryXSeekableStream( Reference< XSeekable >( rxOutStrm, UNO_QUERY ) ),
maBuffer( OUTPUTSTREAM_BUFFERSIZE ),
mxOutStrm( rxOutStrm ),
mbAutoClose( bAutoClose && rxOutStrm.is() )
{
mbEof = !mxOutStrm.is();
}
BinaryXOutputStream::~BinaryXOutputStream()
{
close();
}
void BinaryXOutputStream::close()
{
OSL_ENSURE( !mbAutoClose || mxOutStrm.is(), "BinaryXOutputStream::close - invalid call" );
if( mxOutStrm.is() ) try
{
mxOutStrm->flush();
mxOutStrm->closeOutput();
}
catch( Exception& )
{
OSL_FAIL( "BinaryXOutputStream::close - closing output stream failed" );
}
mxOutStrm.clear();
mbAutoClose = false;
BinaryXSeekableStream::close();
}
void BinaryXOutputStream::writeData( const StreamDataSequence& rData, size_t /*nAtomSize*/ )
{
if( mxOutStrm.is() ) try
{
mxOutStrm->writeBytes( rData );
}
catch( Exception& )
{
OSL_FAIL( "BinaryXOutputStream::writeData - stream read error" );
}
}
void BinaryXOutputStream::writeMemory( const void* pMem, sal_Int32 nBytes, size_t nAtomSize )
{
if( mxOutStrm.is() && (nBytes > 0) )
{
sal_Int32 nBufferSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, (OUTPUTSTREAM_BUFFERSIZE / nAtomSize) * nAtomSize );
const sal_uInt8* pnMem = reinterpret_cast< const sal_uInt8* >( pMem );
while( nBytes > 0 )
{
sal_Int32 nWriteSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, nBufferSize );
maBuffer.realloc( nWriteSize );
memcpy( maBuffer.getArray(), pnMem, static_cast< size_t >( nWriteSize ) );
writeData( maBuffer, nAtomSize );
pnMem += nWriteSize;
nBytes -= nWriteSize;
}
}
}
void
BinaryOutputStream::writeCharArrayUC( const OUString& rString, rtl_TextEncoding eTextEnc, bool bAllowNulChars )
{
OString sBuf( OUStringToOString( rString, eTextEnc ) );
if( !bAllowNulChars )
sBuf.replace( '\0', '?' );
writeMemory( static_cast< const void* >( sBuf.getStr() ), sBuf.getLength() );
}
void
BinaryOutputStream::writeUnicodeArray( const ::rtl::OUString& rString, bool bAllowNulChars )
{
OUString sBuf( rString );
if( !bAllowNulChars )
sBuf.replace( '\0', '?' );
#ifdef OSL_BIGENDIAN
// need a non-const buffer for swapping byte order
sal_Unicode notConst[sBuf.getLength()];
memcpy( notConst, sBuf.getStr(), sizeof(sal_Unicode)*sBuf.getLength() );
writeArray( notConst, sBuf.getLength() );
#else
writeArray( sBuf.getStr(), sBuf.getLength() );
#endif
}
void
BinaryOutputStream::writeCompressedUnicodeArray( const rtl::OUString& rString, bool bCompressed, bool bAllowNulChars )
{
if ( bCompressed )
// ISO-8859-1 maps all byte values 0xHH to the same Unicode code point U+00HH
writeCharArrayUC( rString, RTL_TEXTENCODING_ISO_8859_1, bAllowNulChars );
else
writeUnicodeArray( rString, bAllowNulChars );
}
// ============================================================================
SequenceOutputStream::SequenceOutputStream( StreamDataSequence& rData ) :
BinaryStreamBase( true ),
SequenceSeekableStream( rData )
{
}
void SequenceOutputStream::writeData( const StreamDataSequence& rData, size_t nAtomSize )
{
if( mpData && rData.hasElements() )
writeMemory( rData.getConstArray(), rData.getLength(), nAtomSize );
}
void SequenceOutputStream::writeMemory( const void* pMem, sal_Int32 nBytes, size_t /*nAtomSize*/ )
{
if( mpData && (nBytes > 0) )
{
if( mpData->getLength() - mnPos < nBytes )
const_cast< StreamDataSequence* >( mpData )->realloc( mnPos + nBytes );
memcpy( const_cast< StreamDataSequence* >( mpData )->getArray() + mnPos, pMem, static_cast< size_t >( nBytes ) );
mnPos += nBytes;
}
}
// ============================================================================
} // namespace oox
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
