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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 :
21 : #include "odfemitter.hxx"
22 :
23 : #include <rtl/ustrbuf.hxx>
24 : #include <cppuhelper/exc_hlp.hxx>
25 : #include <com/sun/star/io/XInputStream.hpp>
26 : #include <com/sun/star/io/XOutputStream.hpp>
27 : #include <boost/bind.hpp>
28 :
29 : using namespace com::sun::star;
30 :
31 : namespace pdfi
32 : {
33 :
34 4 : class OdfEmitter : public XmlEmitter
35 : {
36 : private:
37 : uno::Reference<io::XOutputStream> m_xOutput;
38 : uno::Sequence<sal_Int8> m_aLineFeed;
39 : uno::Sequence<sal_Int8> m_aBuf;
40 :
41 : public:
42 : explicit OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput );
43 :
44 : virtual void beginTag( const char* pTag, const PropertyMap& rProperties ) SAL_OVERRIDE;
45 : virtual void write( const OUString& rString ) SAL_OVERRIDE;
46 : virtual void endTag( const char* pTag ) SAL_OVERRIDE;
47 : };
48 :
49 2 : OdfEmitter::OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput ) :
50 : m_xOutput( xOutput ),
51 : m_aLineFeed(1),
52 2 : m_aBuf()
53 : {
54 : OSL_PRECOND(m_xOutput.is(), "OdfEmitter(): invalid output stream");
55 2 : m_aLineFeed[0] = '\n';
56 :
57 2 : OUStringBuffer aElement;
58 2 : aElement.appendAscii("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
59 2 : write(aElement.makeStringAndClear());
60 2 : }
61 :
62 307 : void OdfEmitter::beginTag( const char* pTag, const PropertyMap& rProperties )
63 : {
64 : OSL_PRECOND(pTag,"Invalid tag string");
65 :
66 307 : OUStringBuffer aElement;
67 307 : aElement.appendAscii("<");
68 307 : aElement.appendAscii(pTag);
69 307 : aElement.appendAscii(" ");
70 :
71 614 : std::vector<OUString> aAttributes;
72 307 : PropertyMap::const_iterator aCurr(rProperties.begin());
73 307 : const PropertyMap::const_iterator aEnd(rProperties.end());
74 1280 : while( aCurr != aEnd )
75 : {
76 666 : OUStringBuffer aAttribute;
77 666 : aAttribute.append(aCurr->first);
78 666 : aAttribute.appendAscii("=\"");
79 666 : aAttribute.append(aCurr->second);
80 666 : aAttribute.appendAscii("\" ");
81 666 : aAttributes.push_back(aAttribute.makeStringAndClear());
82 666 : ++aCurr;
83 666 : }
84 :
85 : // since the hash map's sorting is undefined (and varies across
86 : // platforms, and even between different compile-time settings),
87 : // sort the attributes.
88 307 : std::sort(aAttributes.begin(), aAttributes.end());
89 : std::for_each(aAttributes.begin(),
90 : aAttributes.end(),
91 : boost::bind( (OUStringBuffer& (OUStringBuffer::*)(const OUString&))
92 : (&OUStringBuffer::append),
93 : boost::ref(aElement),
94 307 : _1 ));
95 307 : aElement.appendAscii(">");
96 :
97 614 : write(aElement.makeStringAndClear());
98 307 : }
99 :
100 813 : void OdfEmitter::write( const OUString& rText )
101 : {
102 813 : const OString aStr = OUStringToOString(rText,RTL_TEXTENCODING_UTF8);
103 813 : const sal_Int32 nLen( aStr.getLength() );
104 813 : m_aBuf.realloc( nLen );
105 813 : const sal_Char* pStr = aStr.getStr();
106 813 : std::copy(pStr,pStr+nLen,m_aBuf.getArray());
107 :
108 813 : m_xOutput->writeBytes(m_aBuf);
109 813 : m_xOutput->writeBytes(m_aLineFeed);
110 813 : }
111 :
112 307 : void OdfEmitter::endTag( const char* pTag )
113 : {
114 307 : OUStringBuffer aElement;
115 307 : aElement.appendAscii("</");
116 307 : aElement.appendAscii(pTag);
117 307 : aElement.appendAscii(">");
118 307 : write(aElement.makeStringAndClear());
119 307 : }
120 :
121 2 : XmlEmitterSharedPtr createOdfEmitter( const uno::Reference<io::XOutputStream>& xOut )
122 : {
123 2 : return XmlEmitterSharedPtr(new OdfEmitter(xOut));
124 : }
125 :
126 3 : }
127 :
128 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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