# Insert into doubly indexed hash, grouped by country for ISO 3166-2 
# codes. One hash is keyed by abbreviation and one by full name. Although 
# data is duplicated, this provides the fastest lookup and simplest code.


$::subcountry_lookup{$country_name}{_code_keyed}{$sub_country_code} = $sub_country_name;
$::subcountry_lookup{$country_name}{_full_name_keyed}{$sub_country_name} = $sub_country_code;

if ( $category )
{
    $::subcountry_lookup{$country_name}{$sub_country_code}{_category} = $category;
}

if ( $regional_division )
{
    $::subcountry_lookup{$country_name}{$sub_country_code}{_regional_division} = $regional_division;
}

if ( $FIPS_code )
{
    # Insert into doubly indexed hash, grouped by country for FIPS 10-4 codes
    $::subcountry_lookup{$country_name}{_FIPS10_4_code_keyed}{$FIPS_code} = $sub_country_code;
    $::subcountry_lookup{$country_name}{_ISO3166_2_code_keyed}{$sub_country_code} = $FIPS_code;
}


##</code><code>##

# Insert into doubly indexed hash, grouped by country for ISO 3166-2 
# codes. One hash is keyed by abbreviation and one by full name. Although 
# data is duplicated, this provides the fastest lookup and simplest code.


$::subcountry_lookup{$country_name}{_full_name_keyed}{$sub_country_name} = $sub_country_code || 'UNDEFINED';

# These items all depend on a sub_country_code being set.
if ( $sub_country_code )
{
    $::subcountry_lookup{$country_name}{_code_keyed}{$sub_country_code} = $sub_country_name;

    if ( $category )
    {
        $::subcountry_lookup{$country_name}{$sub_country_code}{_category} = $category;
    }

    if ( $regional_division )
    {
        $::subcountry_lookup{$country_name}{$sub_country_code}{_regional_division} = $regional_division;
    }

    if ( $FIPS_code )
    {
        # Insert into doubly indexed hash, grouped by country for FIPS 10-4 codes
        $::subcountry_lookup{$country_name}{_FIPS10_4_code_keyed}{$FIPS_code} = $sub_country_code;
        $::subcountry_lookup{$country_name}{_ISO3166_2_code_keyed}{$sub_country_code} = $FIPS_code;
    }
}