/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
/** Template for a vector of ref-counted objects with additional accessor functions.
An instance of the class RefVector< Type > stores elements of the type std::shared_ptr< Type >. The new accessor functions has() and get() work correctly for indexes out of the current range, there is no need to check the passed index before.
*/ template< typename ObjType > class RefVector : public ::std::vector< std::shared_ptr< ObjType > >
{ public: typedef ::std::vector< std::shared_ptr< ObjType > > container_type; typedeftypename container_type::value_type value_type; typedeftypename container_type::size_type size_type;
public:
/** Returns a reference to the object with the passed index, or 0 on error. */
value_type get( sal_Int32 nIndex ) const
{ if( const value_type* pxRef = getRef( nIndex ) ) return *pxRef; return value_type();
}
/** Calls the passed functor for every contained object, automatically
skips all elements that are empty references. */ template< typename FunctorType > void forEach( FunctorType aFunctor ) const
{
std::for_each(this->begin(), this->end(), ForEachFunctor<FunctorType>(std::move(aFunctor)));
}
/** Calls the passed member function of ObjType on every contained object,
automatically skips all elements that are empty references. */ template< typename FuncType > void forEachMem( FuncType pFunc ) const
{
forEach( ::std::bind( pFunc, std::placeholders::_1 ) );
}
/** Calls the passed member function of ObjType on every contained object,
automatically skips all elements that are empty references. */ template< typename FuncType, typename ParamType > void forEachMem( FuncType pFunc, ParamType aParam ) const
{
forEach( ::std::bind( pFunc, std::placeholders::_1, aParam ) );
}
/** Calls the passed member function of ObjType on every contained object,
automatically skips all elements that are empty references. */ template< typename FuncType, typename ParamType1, typename ParamType2 > void forEachMem( FuncType pFunc, ParamType1 aParam1, ParamType2 aParam2 ) const
{
forEach( ::std::bind( pFunc, std::placeholders::_1, aParam1, aParam2 ) );
}
/** Calls the passed member function of ObjType on every contained object,
automatically skips all elements that are empty references. */ template< typename FuncType, typename ParamType1, typename ParamType2, typename ParamType3 > void forEachMem( FuncType pFunc, ParamType1 aParam1, ParamType2 aParam2, ParamType3 aParam3 ) const
{
forEach( ::std::bind( pFunc, std::placeholders::_1, aParam1, aParam2, aParam3 ) );
}
/** Calls the passed functor for every contained object. Passes the index as
first argument and the object reference as second argument to rFunctor. */ template< typename FunctorType > void forEachWithIndex( const FunctorType& rFunctor ) const
{
::std::for_each( this->begin(), this->end(), ForEachFunctorWithIndex< FunctorType >( rFunctor ) );
}
/** Calls the passed member function of ObjType on every contained object.
Passes the vector index as first argument to the member function. */ template< typename FuncType, typename ParamType1, typename ParamType2 > void forEachMemWithIndex( FuncType pFunc, ParamType1 aParam1, ParamType2 aParam2 ) const
{
forEachWithIndex( ::std::bind( pFunc, std::placeholders::_2, std::placeholders::_1, aParam1, aParam2 ) );
}
/** Searches for an element by using the passed functor that takes a
constant reference of the object type (const ObjType&). */ template< typename FunctorType >
value_type findIf( const FunctorType& rFunctor ) const
{ typename container_type::const_iterator aIt = ::std::find_if( this->begin(), this->end(), FindFunctor< FunctorType >( rFunctor ) ); return (aIt == this->end()) ? value_type() : *aIt;
}
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