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/*************************************************************************
*
* $RCSfile: FilterContainer.hxx,v $
*
* $Revision: 1.1 $
*
* last change: $Author: tra $ $Date: 2001-06-28 11:13:03 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _FILTER_CONTAINER_HXX_
#define _FILTER_CONTAINER_HXX_
#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif
#ifndef _RTL_USTRING_
#include <rtl/ustring>
#endif
#include <vector>
//------------------------------------------------------
// helper class, only useable by OFilterContainer
//------------------------------------------------------
class CFilterContainer
{
public:
// defines a filter entry which is made of a name and a filter value
// e.g. 'Text *.txt'
typedef std::pair< rtl::OUString, rtl::OUString > FILTER_ENTRY_T;
public:
explicit CFilterContainer( sal_Int32 initSize = 0 );
// add a new filter
// returns true if the filter was successfully added
// returns false if duplicates are not allowed and
// the filter is already in the container
sal_Bool SAL_CALL addFilter(
const ::rtl::OUString& aName,
const ::rtl::OUString& aFilter,
sal_Bool bAllowDuplicates = sal_False );
// delete the specified filter returns true on
// success and false if the filter was not found
sal_Bool SAL_CALL delFilter( const ::rtl::OUString& aName );
// the number of filter already added
sal_Int32 SAL_CALL numFilter( );
// clear all entries
void SAL_CALL empty( );
// retrieve a filter from the container both methods
// return true on success and false if the specified
// filter was not found
sal_Bool SAL_CALL getFilter( const ::rtl::OUString& aName, ::rtl::OUString& theFilter ) const;
sal_Bool SAL_CALL getFilter( sal_Int32 aIndex, ::rtl::OUString& theFilter ) const;
// returns the position of the specified filter or -1
// if the filter was not found
sal_Int32 SAL_CALL getFilterPos( const ::rtl::OUString& aName ) const;
// starts enumerating the filter in the container
void SAL_CALL beginEnumFilter( );
// returns true if another filter has been retrieved
sal_Bool SAL_CALL getNextFilter( FILTER_ENTRY_T& nextFilterEntry );
protected:
typedef std::vector< FILTER_ENTRY_T > FILTER_VECTOR_T;
private:
// prevent copy and assignment
CFilterContainer( const CFilterContainer& );
CFilterContainer& SAL_CALL operator=( const CFilterContainer& );
sal_Int32 SAL_CALL getFilterTagPos( const ::rtl::OUString& aName ) const;
private:
FILTER_VECTOR_T m_vFilters;
FILTER_VECTOR_T::const_iterator m_iter;
sal_Bool m_bIterInitialized;
};
//----------------------------------------------------------------
// a helper function to create a filter buffer in the format
// the Win32 API requires, e.g. "Text\0*.txt\0Doc\0*.doc;*xls\0\0"
//----------------------------------------------------------------
rtl::OUString SAL_CALL makeWinFilterBuffer( CFilterContainer& aFilterContainer );
#endif
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