include/xmloff/xmlmetae.hxx

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