Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <WW8StreamImpl.hxx>
21 :
22 : #include <com/sun/star/uno/Reference.h>
23 : #include <com/sun/star/io/XSeekable.hpp>
24 : #include <com/sun/star/io/XStream.hpp>
25 : #include <com/sun/star/lang/XMultiComponentFactory.hpp>
26 :
27 : #include <doctokLoggers.hxx>
28 :
29 : namespace writerfilter {
30 : namespace doctok
31 : {
32 : using namespace ::com::sun::star;
33 :
34 : #if OSL_DEBUG_LEVEL > 1
35 : TagLogger::Pointer_t debug_logger(TagLogger::getInstance("DEBUG"));
36 : #endif
37 :
38 0 : WW8Stream::~WW8Stream()
39 : {
40 0 : }
41 :
42 0 : WW8StreamImpl::WW8StreamImpl(uno::Reference<uno::XComponentContext> rContext,
43 : uno::Reference<io::XInputStream> rStream)
44 0 : : mrComponentContext(rContext), mrStream(rStream)
45 : {
46 : xFactory = uno::Reference<lang::XMultiComponentFactory>
47 0 : (mrComponentContext->getServiceManager());
48 :
49 0 : uno::Sequence<uno::Any> aArgs( 1 );
50 0 : aArgs[0] <<= mrStream;
51 :
52 : xOLESimpleStorage = uno::Reference<container::XNameContainer>
53 0 : (xFactory->createInstanceWithArgumentsAndContext
54 : ("com.sun.star.embed.OLESimpleStorage",
55 0 : aArgs, mrComponentContext ),
56 0 : uno::UNO_QUERY );
57 :
58 0 : }
59 :
60 0 : WW8StreamImpl::~WW8StreamImpl()
61 : {
62 0 : }
63 :
64 0 : WW8Stream::Sequence WW8StreamImpl::get(sal_uInt32 nOffset,
65 : sal_uInt32 nCount) const
66 : {
67 0 : uno::Sequence<sal_Int8> aSequence;
68 :
69 0 : if (nCount > 0)
70 : {
71 0 : uno::Reference< io::XSeekable > xSeek( mrStream, uno::UNO_QUERY_THROW );
72 :
73 0 : xSeek->seek(nOffset);
74 :
75 0 : sal_Int32 nRead = mrStream->readBytes(aSequence, nCount);
76 :
77 : Sequence aReturnSequence(const_cast<const sal_uInt8 *>
78 : (reinterpret_cast<sal_uInt8 *>
79 0 : (&(aSequence[0]))), nRead);
80 :
81 0 : return aReturnSequence;
82 : }
83 :
84 0 : return WW8Stream::Sequence();
85 : }
86 :
87 0 : WW8Stream::Pointer_t WW8StreamImpl::getSubStream(const OUString & sId)
88 : {
89 0 : WW8Stream::Pointer_t pResult;
90 :
91 : try
92 : {
93 0 : if (xOLESimpleStorage.is())
94 : {
95 0 : if (xOLESimpleStorage->hasByName(sId))
96 : {
97 0 : uno::Reference<io::XStream> xNewStream;
98 : {
99 0 : uno::Any aValue = xOLESimpleStorage->getByName(sId);
100 0 : aValue >>= xNewStream;
101 : }
102 :
103 0 : if (xNewStream.is())
104 : {
105 : WW8Stream::Pointer_t
106 : pNew(new WW8StreamImpl(mrComponentContext,
107 0 : xNewStream->getInputStream()));
108 :
109 0 : pResult = pNew;
110 0 : }
111 : }
112 : }
113 : }
114 0 : catch (...)
115 : {
116 : }
117 :
118 0 : if (pResult.get() == NULL)
119 0 : throw ExceptionNotFound("Stream not found");
120 :
121 0 : return pResult;
122 : }
123 :
124 0 : string WW8StreamImpl::getSubStreamNames() const
125 : {
126 0 : string sResult;
127 :
128 0 : if (xOLESimpleStorage.is())
129 : {
130 0 : uno::Sequence<OUString> aSeq = xOLESimpleStorage->getElementNames();
131 :
132 0 : for (sal_uInt32 n = 0;
133 0 : n < sal::static_int_cast<sal_uInt32>(aSeq.getLength()); ++n)
134 : {
135 0 : OUString aOUStr = aSeq[n];
136 :
137 0 : if (n > 0)
138 0 : sResult += ", ";
139 :
140 : char sBuffer[256];
141 0 : for (sal_uInt32 j = 0;
142 0 : j < sal::static_int_cast<sal_uInt32>(aOUStr.getLength()); ++j)
143 : {
144 0 : if (isprint(aOUStr[j]))
145 : {
146 0 : sal_Unicode nC = aOUStr[j];
147 :
148 0 : if (nC < 255)
149 0 : sResult += sal::static_int_cast<char>(nC);
150 : else
151 0 : sResult += ".";
152 : }
153 : else
154 : {
155 0 : snprintf(sBuffer, sizeof(sBuffer), "\\u%x", aOUStr[j]);
156 0 : sResult += sBuffer;
157 : }
158 : }
159 0 : }
160 : }
161 :
162 0 : return sResult;
163 : }
164 :
165 0 : uno::Sequence<OUString> WW8StreamImpl::getSubStreamUNames() const
166 : {
167 0 : return xOLESimpleStorage->getElementNames();
168 : }
169 :
170 0 : void WW8StreamImpl::dump(OutputWithDepth<string> & o) const
171 : {
172 0 : o.addItem("<stream>");
173 :
174 0 : Sequence aSeq;
175 0 : sal_uInt32 nOffset = 0;
176 0 : sal_uInt32 nStep = 16;
177 :
178 0 : do
179 : {
180 0 : aSeq = get(nOffset, nStep);
181 0 : dumpLine(o, aSeq, nOffset, nStep);
182 :
183 0 : nOffset += nStep;
184 : }
185 0 : while (aSeq.getCount() == nStep);
186 :
187 0 : o.addItem("</stream>");
188 0 : }
189 :
190 15 : }}
191 :
192 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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