1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * Implements character set mapping functionality.

    16 *

    17 */

    18 

    19 

    20 #include "CTABLE.H"

    21 

    22 

    23 

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

    25 

    26 

    27 

    28 Range::Range()

    29     {

    30     i_first = i_last = 0;

    31     }

    32 

    33 

    34 Range::Range( int afirst, int alast )

    35     {

    36     define(afirst, alast);

    37     }

    38 

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

    40     {

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

    42     if ( afirst > alast )

    43         {

    44         i_first = alast;

    45         i_last = afirst;

    46         }

    47     else

    48         {

    49         i_first = afirst;

    50         i_last = alast;

    51         }

    52     }

    53 

    54 int Range::count() const

    55     {

    56     return ( i_last - i_first +1 );

    57     }

    58 

    59 int Range::first() const

    60     {

    61     return(i_first);

    62     }

    63 

    64 

    65 int Range::part_of( int avalue ) const

    66     {

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

    68 

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

    70     else return 0;

    71 

    72     }

    73 

    74 

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

    76 

    77 

    78 Mapping_range::Mapping_range()

    79     {

    80     mappings = NULL;

    81     }

    82 

    83 Mapping_range::Mapping_range( S_mapping_range *data )

    84     {

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

    86     mappings = &data->mappings[0];

    87     }

    88 

    89 

    90 

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

    92     {

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

    94 

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

    96     aUnicode_character = mappings[index];

    97     return (1);

    98     }

    99 

   100 

   101 

   102 

   103 

   104 // end of CTABLE.CPP