unoxml/source/xpath/nodelist.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  14  *   ownership. The ASF licenses this file to you under the Apache
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef XPATH_NODELIST_HXX
  21 #define XPATH_NODELIST_HXX
  22
  23 #include <sal/types.h>
  24 #include <rtl/ref.hxx>
  25
  26 #include <cppuhelper/implbase1.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 #include <com/sun/star/xml/xpath/XXPathObject.hpp>
  32
  33 #include "libxml/tree.h"
  34 #include "libxml/xpath.h"
  35
  36 #include <boost/shared_ptr.hpp>
  37
  38 using namespace com::sun::star::uno;
  39 using namespace com::sun::star::xml::dom;
  40 using namespace com::sun::star::xml::xpath;
  41
  42 namespace DOM {
  43     class CDocument;
  44 }
  45
  46 namespace XPath
  47 {
  48
  49     class CNodeList : public cppu::WeakImplHelper1< XNodeList >
  50     {
  51     private:
  52         /// #i115995# keep document alive
  53         ::rtl::Reference< DOM::CDocument > const m_pDocument;
  54         ::osl::Mutex & m_rMutex;
  55         /// retain the result set in case the CXPathObject is released
  56         boost::shared_ptr<xmlXPathObject> m_pXPathObj;
  57         xmlNodeSetPtr m_pNodeSet;
  58
  59     public:
  60         CNodeList(
  61                 ::rtl::Reference<DOM::CDocument> const& pDocument,
  62                 ::osl::Mutex & rMutex,
  63                 boost::shared_ptr<xmlXPathObject> const& rxpathObj);
  64         /**
  65         The number of nodes in the list.
  66         */
  67         virtual sal_Int32 SAL_CALL getLength() throw (RuntimeException);
  68         /**
  69         Returns the indexth item in the collection.
  70         */
  71         virtual Reference< XNode > SAL_CALL item(sal_Int32 index)
  72             throw (RuntimeException);
  73     };
  74 }
  75
  76 #endif
  77
  78 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */