/*************************************************************************
 *
 *  $RCSfile: convert.hxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: obo $ $Date: 2004-11-16 10:50:19 $
 *
 *  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.
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 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef _CONVERT_HXX
#define _CONVERT_HXX

#include <com/sun/star/uno/Sequence.hxx>
#include <map>

namespace com { namespace sun { namespace star { namespace uno
{
    class Any;
    class Type;
} } } }
namespace rtl { class OUString; }
class ConvertImpl;

namespace xforms
{

struct TypeLess
{
    bool operator()( const com::sun::star::uno::Type& rType1,
                     const com::sun::star::uno::Type& rType2 ) const
    { return rType1.getTypeName() < rType2.getTypeName(); }
};

class Convert
{
    typedef com::sun::star::uno::Type Type_t;
    typedef com::sun::star::uno::Sequence<com::sun::star::uno::Type> Types_t;
    typedef com::sun::star::uno::Any Any_t;

    // hold conversion objects
    typedef rtl::OUString (*fn_toXSD)( const Any_t& );
    typedef Any_t (*fn_toAny)( const rtl::OUString& );
    typedef std::pair<fn_toXSD,fn_toAny> Convert_t;
    typedef std::map<Type_t,Convert_t,TypeLess> Map_t;
    Map_t maMap;

    Convert();
    ~Convert();

    void init();

public:
    /** get/create Singleton class */
    static Convert& get();

    /// can we convert this type?
    bool hasType( const Type_t& );

    /// get list of convertable types
    Types_t getTypes();

    /// convert any to XML representation
    rtl::OUString toXSD( const Any_t& rAny );

    /// convert XML representation to Any of given type
    Any_t toAny( const rtl::OUString&, const Type_t& );

    /** translates the whitespaces in a given string, according
        to a given <type scope="com::sun::star::xsd">WhiteSpaceTreatment</type>.

        @param _rString
            the string to convert
        @param _nWhitespaceTreatment
            a constant from the <type scope="com::sun::star::xsd">WhiteSpaceTreatment</type> group, specifying
            how to handle whitespaces
        @return
            the converted string
    */
    static ::rtl::OUString convertWhitespace(
            const ::rtl::OUString& _rString,
            sal_Int16   _nWhitespaceTreatment
    );

    /** replace all occurences 0x08, 0x0A, 0x0D with 0x20
    */
    static ::rtl::OUString replaceWhitespace( const ::rtl::OUString& _rString );

    /** replace all sequences of 0x08, 0x0A, 0x0D, 0x20 with a single 0x20.
        also strip leading/trailing whitespace.
    */
    static ::rtl::OUString collapseWhitespace( const ::rtl::OUString& _rString );
};

} // namespace xforms

#endif