unoxml/source/xpath/nodelist.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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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
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  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_UNOXML_SOURCE_XPATH_NODELIST_HXX
  21 #define INCLUDED_UNOXML_SOURCE_XPATH_NODELIST_HXX
  22
  23 #include <sal/types.h>
  24 #include <rtl/ref.hxx>
  25
  26 #include <cppuhelper/implbase.hxx>
  27
  28 #include <com/sun/star/uno/Reference.h>
  29 #include <com/sun/star/xml/dom/XNode.hpp>
  30 #include <com/sun/star/xml/dom/XNodeList.hpp>
  31
  32 #include <libxml/xpath.h>
  33
  34 #include "../dom/document.hxx"
  35
  36 #include <memory>
  37
  38 namespace DOM {
  39     class CDocument;
  40 }
  41
  42 namespace XPath
  43 {
  44
  45     class CNodeList : public cppu::WeakImplHelper< css::xml::dom::XNodeList >
  46     {
  47     private:
  48         /// #i115995# keep document alive
  49         ::rtl::Reference< DOM::CDocument > const m_pDocument;
  50         ::osl::Mutex & m_rMutex;
  51         /// retain the result set in case the CXPathObject is released
  52         std::shared_ptr<xmlXPathObject> m_pXPathObj;
  53         xmlNodeSetPtr m_pNodeSet;
  54
  55     public:
  56         CNodeList(
  57                 ::rtl::Reference<DOM::CDocument> const& pDocument,
  58                 ::osl::Mutex & rMutex,
  59                 std::shared_ptr<xmlXPathObject> const& rxpathObj);
  60         /**
  61         The number of nodes in the list.
  62         */
  63         virtual sal_Int32 SAL_CALL getLength() override;
  64         /**
  65         Returns the indexth item in the collection.
  66         */
  67         virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL item(sal_Int32 index) override;
  68     };
  69 }
  70
  71 #endif
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */