1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
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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 #ifndef INCLUDED_XMLOFF_XMLMETAE_HXX
21 #define INCLUDED_XMLOFF_XMLMETAE_HXX
22 
23 #include <sal/config.h>
24 #include <sal/types.h>
25 
26 #include <cppuhelper/implbase.hxx>
27 #include <xmloff/xmltoken.hxx>
28 
29 #include <vector>
30 
31 #include <com/sun/star/beans/StringPair.hpp>
32 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
33 
34 namespace com::sun::star::document { class XDocumentProperties; }
35 namespace com::sun::star::util { struct DateTime; }
36 
37 
38 class SvXMLExport;
39 
40 /** export meta data from an XDocumentProperties instance.
41 
42     <p>
43     This class will start the export at the office:meta element,
44     not at the root element. This means that when <method>Export</method>
45     is called here, the document root element must already be written, but
46     office:meta must <em>not</em> be written.
47     </p>
48  */
49 class SvXMLMetaExport final : public cppu::WeakImplHelper<
50                 css::xml::sax::XDocumentHandler >
51 {
52 private:
53     SvXMLExport& mrExport;
54     css::uno::Reference< css::document::XDocumentProperties> mxDocProps;
55     /// counts levels of the xml document. necessary for special handling.
56     int m_level;
57     /// preserved namespaces. necessary because we do not write the root node.
58     std::vector< css::beans::StringPair > m_preservedNSs;
59 
60     void SimpleStringElement(
61         const OUString& rText, sal_uInt16 nNamespace,
62         enum ::xmloff::token::XMLTokenEnum eElementName );
63     void SimpleDateTimeElement(
64         const css::util::DateTime & rDate, sal_uInt16 nNamespace,
65         enum ::xmloff::token::XMLTokenEnum eElementName );
66 
67     /// currently unused; for exporting via the XDocumentProperties interface
68     void MExport_();
69 
70 public:
71     SvXMLMetaExport( SvXMLExport& i_rExport,
72         const css::uno::Reference< css::document::XDocumentProperties>& i_rDocProps);
73 
74     virtual ~SvXMLMetaExport() override;
75 
76     /// export via XSAXWriter interface, with fallback to _MExport
77     void Export();
78 
79     static OUString GetISODateTimeString(
80                         const css::util::DateTime& rDateTime );
81 
82     // css::xml::sax::XDocumentHandler:
83     virtual void SAL_CALL startDocument() override;
84     virtual void SAL_CALL endDocument() override;
85     virtual void SAL_CALL startElement(const OUString & i_rName,
86         const css::uno::Reference<
87                 css::xml::sax::XAttributeList > & i_xAttribs) override;
88     virtual void SAL_CALL endElement(const OUString & i_rName) override;
89     virtual void SAL_CALL characters(const OUString & i_rChars) override;
90     virtual void SAL_CALL ignorableWhitespace(
91         const OUString & i_rWhitespaces) override;
92     virtual void SAL_CALL processingInstruction(
93         const OUString & i_rTarget, const OUString & i_rData) override;
94     virtual void SAL_CALL setDocumentLocator(
95         const css::uno::Reference<
96                 css::xml::sax::XLocator > & i_xLocator) override;
97 
98 };
99 
100 #endif // INCLUDED_XMLOFF_XMLMETAE_HXX
101 
102 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
103