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<?php

/**

 * Numbers_Words

 *

 * PHP version 4

 *

 * Copyright (c) 1997-2006 The PHP Group

 *

 * This source file is subject to version 3.0 of the PHP license,

 * that is bundled with this package in the file LICENSE, and is

 * available at through the world-wide-web at

 * http://www.php.net/license/3_0.txt.

 * If you did not receive a copy of the PHP license and are unable to

 * obtain it through the world-wide-web, please send a note to

 * license@php.net so we can mail you a copy immediately.

 *

 * @category Numbers

 * @package  Numbers_Words

 * @author   Piotr Klaban <makler@man.torun.pl>

 * @author   Robin Ericsson <robin.ericsson@profecta.se>

 * @license  PHP 3.0 http://www.php.net/license/3_0.txt

 * @version  CVS: $Id: lang.sv.php 269610 2008-11-24 15:01:07Z clockwerx $

 * @link     http://pear.php.net/package/Numbers_Words

 */

/**

 *

 * Class for translating numbers into Swedish.

 * @author Robin Ericsson

 * @package Numbers_Words

 */

/**

 * Include needed files

 */

require_once "Numbers/Words.php";

/**

 * Class for translating numbers into Swedish.

 *

 * @category Numbers

 * @package  Numbers_Words

 * @author   Piotr Klaban <makler@man.torun.pl>

 * @author   Robin Ericsson <robin.ericsson@profecta.se>

 * @license  PHP 3.0 http://www.php.net/license/3_0.txt

 * @link     http://pear.php.net/package/Numbers_Words

 */

class Numbers_Words_sv extends Numbers_Words

{

    // {{{ properties

    /**

     * Locale name

     * @var string

     * @access public

     */

    var $locale = 'sv';

    /**

     * Language name in English

     * @var string

     * @access public

     */

    var $lang = 'Swedish';

    /**

     * Native language name

     * @var string

     * @access public

     */

    var $lang_native = 'Svenska';

    /**

     * The word for the minus sign

     * @var string

     * @access private

     */

    var $_minus = 'Minus'; // minus sign

    /**

     * The sufixes for exponents (singular and plural)

     * @var array

     * @access private

     */

    var $_exponent = array(

        3 => array('tusen', 'tusen'),

        6 => array('miljon','miljoner'),

        9 => array('miljard','miljarder'),

       12 => array('biljon','biljoner'),

       15 => array('biljard','biljarder'),

       18 => array('triljon','triljoner'),

       21 => array('triljard','triljarder'),

       24 => array('kvadriljon','kvadriljoner'),

       27 => array('kvadriljard','kvadriljarder'),

       30 => array('kvintiljon','kvintiljoner'),

       33 => array('kvintiljard','kvintiljarder'),

       36 => array('sextiljon','sextiljoner'),

       39 => array('sextiljard','sextiljarder'),

       42 => array('septiljon','septiljoner'),

       45 => array('septiljard','septiljarder'),

       48 => array('oktiljon','oktiljoner'),

       51 => array('oktiljard','oktiljarder'),

       54 => array('noniljon','noniljoner'),

       57 => array('noniljard','noniljarder'),

       60 => array('dekiljon','dekiljoner'),

       63 => array('dekiljard','dekiljarder'),

      120 => array('vigintiljon','vigintiljoner'),

      123 => array('vigintiljard','vigintiljarder'),

      600 => array('centiljon','centiljoner'),

      603 => array('centiljard','centiljarder')

        );

    /**

     * The array containing the digits (indexed by the digits themselves).

     * @var array

     * @access private

     */

    var $_digits = array(

        'fem', 'sex', 'sju', 'åtta', 'nio'

    );

    /**

     * The word separator

     * @var string

     * @access private

     */

    var $_sep = '';

    /**

     * The exponent word separator

     * @var string

     * @access private

     */

    var $_sep2 = ' ';

    // }}}

    // {{{ toWords()

    /**

     * Converts a number to its word representation

     * in Swedish language.

     *

     * @param integer $num       An integer between -infinity and infinity inclusive :)

     *                           that need to be converted to words

     * @param integer $power     The power of ten for the rest of the number to the right.

     *                           Optional, defaults to 0.

     * @param integer $powsuffix The power name to be added to the end of the return string.

     *                           Used internally. Optional, defaults to ''.

     *

     * @return string  The corresponding word representation

     *

     * @access private

     * @author Piotr Klaban <makler@man.torun.pl>

     * @author Robin Ericsson <lobbin@localhost.nu>

     * @since  PHP 4.2.3

     */

    function toWords($num, $power = 0, $powsuffix = '')

    {

        $ret = '';

        // add a minus sign

        if (substr($num, 0, 1) == '-') {

            $ret = $this->_sep . $this->_minus;

            $num = substr($num, 1);

        }

        // strip excessive zero signs and spaces

        $num = trim($num);

        $num = preg_replace('/^0+/', '', $num);

        if (strlen($num) > 3) {

            $maxp = strlen($num)-1;

            $curp = $maxp;

            for ($p = $maxp; $p > 0; --$p) { // power

                // check for highest power

                if (isset($this->_exponent[$p])) {

                    // send substr from $curp to $p

                    $snum = substr($num, $maxp - $curp, $curp - $p + 1);

                    $snum = preg_replace('/^0+/', '', $snum);

                    if ($snum !== '') {

                        $cursuffix = $this->_exponent[$power][count($this->_exponent[$power])-1];

                        if ($powsuffix != '') {

                            $cursuffix .= $this->_sep . $powsuffix;

                        }

                        $ret .= $this->toWords($snum, $p, $cursuffix);

                    }

                    $curp = $p - 1;

                    continue;

                }

            }

            $num = substr($num, $maxp - $curp, $curp - $p + 1);

            if ($num == 0) {

                return $ret;

            }

        } elseif ($num == 0 || $num == '') {

            return $this->_sep . $this->_digits[0];

        }

        $h = $t = $d = 0;

        switch(strlen($num)) {

        case 3:

            $h = (int)substr($num, -3, 1);

        case 2:

            $t = (int)substr($num, -2, 1);

        case 1:

            $d = (int)substr($num, -1, 1);

            break;

        case 0:

            return;

            break;

        }

        if ($h) {

            $ret .= $this->_sep . $this->_digits[$h] . $this->_sep . 'hundra';

        }

        // ten, twenty etc.

        switch ($t) {

        case 5:

        case 6:

        case 7:

            $ret .= $this->_sep . $this->_digits[$t] . 'tio';

            break;

        case 9:

            $ret .= $this->_sep . 'nittio';

            break;

        case 8:

            $ret .= $this->_sep . 'åttio';

            break;

        case 4:

            $ret .= $this->_sep . 'fyrtio';

            break;

        case 3:

            $ret .= $this->_sep . 'trettio';

            break;

        case 2:

            $ret .= $this->_sep . 'tjugo';

            break;

        case 1:

            switch ($d) {

            case 0:

                $ret .= $this->_sep . 'tio';

                break;

            case 1:

                $ret .= $this->_sep . 'elva';

                break;

            case 2:

                $ret .= $this->_sep . 'tolv';

                break;

            case 3:

                $ret .= $this->_sep . 'tretton';

                break;

            case 4:

                $ret .= $this->_sep . 'fjorton';

                break;

            case 5:

            case 6:

                $ret .= $this->_sep . $this->_digits[$d] . 'ton';

                break;

            case 7:

                $ret .= $this->_sep . 'sjutton';

                break;

            case 8:

                $ret .= $this->_sep . 'arton';

                break;

            case 9:

                $ret .= $this->_sep . 'nitton';

            }

            break;

        }

        if ($t != 1 && $d > 0) { // add digits only in <0>,<1,9> and <21,inf>

            // add minus sign between [2-9] and digit

            $ret .= $this->_sep . $this->_digits[$d];

        }

        if ($power > 0) {

            if (isset($this->_exponent[$power])) {

                $lev = $this->_exponent[$power];

            }

            if (!isset($lev) || !is_array($lev)) {

                return null;

            }

            $ret .= $this->_sep . $lev[0];

        }

        if ($powsuffix != '') {

            $ret .= $this->_sep . $powsuffix;

        }

        return $ret;

    }

    // }}}

}

?>