/*

* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

* Implements character set mapping functionality.

*

*/

#include "CTABLE.H"

// ++++++ Range member functions ++++++

Range::Range()

    {

    i_first = i_last = 0;

    }

Range::Range( int afirst, int alast )

    {

    define(afirst, alast);

    }

void Range::define( int afirst, int alast )

    {

    // ensure that the range is stored in the right order.

    if ( afirst > alast )

        {

        i_first = alast;

        i_last = afirst;

        }

    else

        {

        i_first = afirst;

        i_last = alast;

        }

    }

int Range::count() const

    {

    return ( i_last - i_first +1 );

    }

int Range::first() const

    {

    return(i_first);

    }

int Range::part_of( int avalue ) const

    {

    // return TRUE if the value is in the range, else FALSE

    if ( (avalue >= i_first) && ( avalue <= i_last ) ) return 1;

    else return 0;

    }

// ++++++ Mapping_range member functions ++++++

Mapping_range::Mapping_range()

    {

    mappings = NULL;

    }

Mapping_range::Mapping_range( S_mapping_range *data )

    {

    range.define(data->first, data->last);

    mappings = &data->mappings[0];

    }

int Mapping_range::map(  unsigned char an8_bit_character, UTF16 &aUnicode_character ) const

    {

    if ( !range.part_of(an8_bit_character) ) return (0);

    int index = (int)an8_bit_character - range.first();

    aUnicode_character = mappings[index];

    return (1);

    }

// end of CTABLE.CPP