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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             : #ifndef _NAMEDCOLLECTION_HXX
      21             : #define _NAMEDCOLLECTION_HXX
      22             : 
      23             : #include <collection.hxx>
      24             : #include <cppuhelper/implbase1.hxx>
      25             : #include <com/sun/star/container/XNameAccess.hpp>
      26             : 
      27             : #include <algorithm>
      28             : 
      29             : template<class T>
      30             : class NamedCollection : public cppu::ImplInheritanceHelper1<
      31             :                             Collection<T>,
      32             :                             com::sun::star::container::XNameAccess>
      33             : {
      34             :     using Collection<T>::maItems;
      35             :     using Collection<T>::getItem;
      36             :     using Collection<T>::hasItem;
      37             : 
      38             : public:
      39           0 :     NamedCollection() {}
      40           0 :     virtual ~NamedCollection() {}
      41             : 
      42           0 :     const T& getItem( const rtl::OUString& rName ) const
      43             :     {
      44             :         OSL_ENSURE( hasItem( rName ), "invalid name" );
      45           0 :         return *findItem( rName );
      46             :     }
      47             : 
      48           0 :     bool hasItem( const rtl::OUString& rName ) const
      49             :     {
      50           0 :         return findItem( rName ) != maItems.end();
      51             :     }
      52             : 
      53             :     typedef com::sun::star::uno::Sequence<rtl::OUString> Names_t;
      54           0 :     Names_t getNames() const
      55             :     {
      56             :         // iterate over members, and collect all those that have names
      57           0 :         std::vector<rtl::OUString> aNames;
      58           0 :         for( typename std::vector<T>::const_iterator aIter = maItems.begin();
      59             :              aIter != maItems.end();
      60             :              ++aIter )
      61             :         {
      62             :             com::sun::star::uno::Reference<com::sun::star::container::XNamed>
      63           0 :                 xNamed( *aIter, com::sun::star::uno::UNO_QUERY );
      64           0 :             if( xNamed.is() )
      65           0 :                 aNames.push_back( xNamed->getName() );
      66             :         }
      67             : 
      68             :         // copy names to Sequence and return
      69           0 :         Names_t aResult( aNames.size() );
      70           0 :         rtl::OUString* pStrings = aResult.getArray();
      71           0 :         std::copy( aNames.begin(), aNames.end(), pStrings );
      72             : 
      73           0 :         return aResult;
      74             :     }
      75             : 
      76             : protected:
      77           0 :     typename std::vector<T>::const_iterator findItem( const rtl::OUString& rName ) const
      78             :     {
      79           0 :         for( typename std::vector<T>::const_iterator aIter = maItems.begin();
      80             :              aIter != maItems.end();
      81             :              ++aIter )
      82             :         {
      83             :             com::sun::star::uno::Reference<com::sun::star::container::XNamed>
      84           0 :                 xNamed( *aIter, com::sun::star::uno::UNO_QUERY );
      85           0 :             if( xNamed.is()  &&  xNamed->getName() == rName )
      86           0 :                 return aIter;
      87             :         }
      88           0 :         return maItems.end();
      89             :     }
      90             : 
      91             : public:
      92             : 
      93             :     // XElementAccess
      94           0 :     virtual typename Collection<T>::Type_t SAL_CALL getElementType()
      95             :         throw( typename Collection<T>::RuntimeException_t )
      96             :     {
      97           0 :         return Collection<T>::getElementType();
      98             :     }
      99             : 
     100           0 :     virtual sal_Bool SAL_CALL hasElements()
     101             :         throw( typename Collection<T>::RuntimeException_t )
     102             :     {
     103           0 :         return Collection<T>::hasElements();
     104             :     }
     105             : 
     106             :     // XNameAccess : XElementAccess
     107           0 :     virtual typename Collection<T>::Any_t SAL_CALL getByName(
     108             :         const rtl::OUString& aName )
     109             :         throw( typename Collection<T>::NoSuchElementException_t,
     110             :                typename Collection<T>::WrappedTargetException_t,
     111             :                typename Collection<T>::RuntimeException_t )
     112             :     {
     113           0 :         if( hasItem( aName ) )
     114           0 :             return com::sun::star::uno::makeAny( getItem( aName ) );
     115             :         else
     116           0 :             throw typename Collection<T>::NoSuchElementException_t();
     117             : 
     118             :     }
     119             : 
     120           0 :     virtual Names_t SAL_CALL getElementNames()
     121             :         throw( typename Collection<T>::RuntimeException_t )
     122             :     {
     123           0 :         return getNames();
     124             :     }
     125             : 
     126           0 :     virtual sal_Bool SAL_CALL hasByName(
     127             :         const rtl::OUString& aName )
     128             :         throw( typename Collection<T>::RuntimeException_t )
     129             :     {
     130           0 :         return hasItem( aName ) ? sal_True : sal_False;
     131             :     }
     132             : };
     133             : 
     134             : #endif
     135             : 
     136             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */