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
173
174
175
176
177
178
179
180
181
182
183
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: olestorage.cxx,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "oox/helper/olestorage.hxx"
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XStream.hpp>
#include "oox/helper/helper.hxx"
using ::rtl::OUString;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::container::XNameAccess;
using ::com::sun::star::lang::XMultiServiceFactory;
using ::com::sun::star::beans::PropertyValue;
using ::com::sun::star::embed::XStorage;
using ::com::sun::star::io::XInputStream;
using ::com::sun::star::io::XOutputStream;
using ::com::sun::star::io::XStream;
namespace oox {
// ============================================================================
OleStorage::OleStorage(
const Reference< XMultiServiceFactory >& rxFactory,
const Reference< XInputStream >& rxInStream,
bool bBaseStreamAccess ) :
StorageBase( rxInStream, bBaseStreamAccess )
{
OSL_ENSURE( rxFactory.is(), "OleStorage::OleStorage - missing service factory" );
// create base storage object
Sequence< Any > aArgs( 2 );
aArgs[ 0 ] <<= rxInStream;
aArgs[ 1 ] <<= true; // true = do not create a copy of the input stream
mxStorage.set( rxFactory->createInstanceWithArguments(
CREATE_OUSTRING( "com.sun.star.embed.OLESimpleStorage" ), aArgs ), UNO_QUERY );
mxElements.set( mxStorage, UNO_QUERY );
}
OleStorage::OleStorage(
const Reference< XMultiServiceFactory >& rxFactory,
const Reference< XStream >& rxStream,
bool bBaseStreamAccess ) :
StorageBase( rxStream, bBaseStreamAccess )
{
OSL_ENSURE( rxFactory.is(), "OleStorage::OleStorage - missing service factory" );
(void)rxFactory; // prevent compiler warning
OSL_ENSURE( false, "OleStorage::OleStorage - not implemented" );
mxElements.set( mxStorage, UNO_QUERY );
}
OleStorage::OleStorage( const OleStorage& rParentStorage, const Reference< XNameAccess >& rxElementsAccess, const OUString& rElementName ) :
StorageBase( rParentStorage, rElementName ),
mxStorage( rParentStorage.mxStorage ),
mxElements( rxElementsAccess )
{
OSL_ENSURE( mxElements.is(), "OleStorage::OleStorage - missing elements access" );
}
OleStorage::~OleStorage()
{
}
// StorageBase interface ------------------------------------------------------
bool OleStorage::implIsStorage() const
{
if( mxStorage.is() && mxElements.is() ) try
{
/* If this is not a storage, hasElements() throws an exception. But we
do not return the result of hasElements(), because an empty storage
is a valid storage too. */
mxElements->hasElements();
return true;
}
catch( Exception& )
{
}
return false;
}
Reference< XStorage > OleStorage::implGetXStorage() const
{
OSL_ENSURE( false, "OleStorage::getXStorage - not implemented" );
return Reference< XStorage >();
}
void OleStorage::implGetElementNames( ::std::vector< OUString >& orElementNames ) const
{
Sequence< OUString > aNames;
if( mxElements.is() ) try
{
aNames = mxElements->getElementNames();
if( aNames.getLength() > 0 )
orElementNames.insert( orElementNames.end(), aNames.getConstArray(), aNames.getConstArray() + aNames.getLength() );
}
catch( Exception& )
{
}
}
StorageRef OleStorage::implOpenSubStorage( const OUString& rElementName, bool bCreate )
{
OSL_ENSURE( !bCreate, "OleStorage::implOpenSubStorage - creating substorages not implemented" );
(void)bCreate; // prevent compiler warning
StorageRef xSubStorage;
if( mxElements.is() ) try
{
Reference< XNameAccess > xSubElements( mxElements->getByName( rElementName ), UNO_QUERY_THROW );
xSubStorage.reset( new OleStorage( *this, xSubElements, rElementName ) );
}
catch( Exception& )
{
}
return xSubStorage;
}
Reference< XInputStream > OleStorage::implOpenInputStream( const OUString& rElementName )
{
Reference< XInputStream > xInStream;
if( mxElements.is() ) try
{
xInStream.set( mxElements->getByName( rElementName ), UNO_QUERY );
}
catch( Exception& )
{
}
return xInStream;
}
Reference< XOutputStream > OleStorage::implOpenOutputStream( const OUString& rElementName )
{
Reference< XOutputStream > xOutStream;
if( mxElements.is() && (rElementName.getLength() > 0) ) try
{
(void)rElementName; // prevent compiler warning
OSL_ENSURE( false, "OleStorage::implOpenOutputStream - not implemented" );
}
catch( Exception& )
{
}
return xOutStream;
}
// ============================================================================
} // namespace oox
|
