/php-pear-Numbers-Words-0.16.4/Numbers_Words-0.16.4/Numbers/Words/lang.bg.php

<?php
/**
 * Numbers_Words
 *
 * PHP version 4
 *
 * Copyright (c) 1997-2006 The PHP Group
 *
 * This source file is subject to version 3.01 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_01.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   Kouber Saparev <kouber@php.net>
 * @license  PHP 3.01 http://www.php.net/license/3_01.txt
 * @version  SVN: $Id$
 * @link     http://pear.php.net/package/Numbers_Words
 */

/**
 * Include needed files
 */
require_once "Numbers/Words.php";

/**
 * Class for translating numbers into Bulgarian.
 *
 * @category Numbers
 * @package  Numbers_Words
 * @author   Kouber Saparev <kouber@php.net>
 * @license  PHP 3.01 http://www.php.net/license/3_01.txt
 * @link     http://pear.php.net/package/Numbers_Words
 */
class Numbers_Words_bg extends Numbers_Words
{

    // {{{ properties

    /**
     * Locale name.
     * @var string
     * @access public
     */
    var $locale = 'bg';

    /**
     * Language name in English.
     * @var string
     * @access public
     */
    var $lang = 'Bulgarian';

    /**
     * Native language name.
     * @var string
     * @access public
     */
    var $lang_native = '?????????';

    /**
     * Some miscellaneous words and language constructs.
     * @var string
     * @access private
     */
    var $_misc_strings = array(
        'deset'=>'?????',           // "ten"
        'edinadeset'=>'??????????', // "eleven"
        'na'=>'??',                 // liaison particle for 12 to 19
        'sto'=>'???',               // "hundred"
        'sta'=>'???',               // suffix for 2 and 3 hundred
        'stotin'=>'??????',         // suffix for 4 to 9 hundred
        'hiliadi'=>'??????'         // plural form of "thousand"
    );


    /**
     * The words for digits (except zero). Note that, there are three genders for them (neuter, masculine and feminine).
     * The words for 3 to 9 (masculine) and for 2 to 9 (feminine) are the same as neuter, so they're filled
     * in the _initDigits() method, which is invoked from the constructor.
     * @var string
     * @access private
     */
    var $_digits = array(
        0=>array(1=>"????", "???", "???", "??????", "???", "????", "?????", "????", "?????"), // neuter
        1=>array(1=>'????', '???'),                                                           // masculine
       -1=>array(1=>'????')                                                                   // feminine
    );

    /**
     * A flag, that determines if the _digits array is filled for masculine and feminine genders.
     * @var string
     * @access private
     */
    var $_digits_initialized = false;

    /**
     * A flag, that determines if the "and" word is placed already before the last non-empty group of digits.
     * @var string
     * @access private
     */
    var $_last_and = false;

    /**
     * The word for zero.
     * @var string
     * @access private
     */
    var $_zero = '????';

    /**
     * The word for infinity.
     * @var string
     * @access private
     */
    var $_infinity = '???????????';

    /**
     * The word for the "and" language construct.
     * @var string
     * @access private
     */
    var $_and = '?';
    
    /**
     * The word separator.
     * @var string
     * @access private
     */
    var $_sep = ' ';

    /**
     * The word for the minus sign.
     * @var string
     * @access private
     */
    var $_minus = '?????'; // minus sign

    /**
     * The plural suffix (except for thousand).
     * @var string
     * @access private
     */
    var $_plural = '?'; // plural suffix

    /**
     * The suffixes for exponents (singular).
     * @var array
     * @access private
     */
    var $_exponent = array(
          0 => '',
          3 => '??????',
          6 => '??????',
          9 => '???????',
         12 => '???????',
         15 => '??????????',
         18 => '??????????',
         21 => '??????????',
         24 => '?????????',
         27 => '????????',
         30 => '????????',
         33 => '????????',
         36 => '??????????',
         39 => '???????????',
         42 => '???????????',
         45 => '??????????????',
         48 => '?????????????',
         51 => '????????????',
         54 => '????????????',
         57 => '????????????',
         60 => '?????????????',
         63 => '???????????',
         66 => '?????????????',
         69 => '??????????????',
         72 => '??????????????',
         75 => '?????????????????',
         78 => '???????????????',
         81 => '???????????????',
         84 => '?????????????????',
         87 => '???????????????',
         90 => '????????????????',
         93 => '????????????',
         96 => '??????????????',
         99 => '???????????????',
        102 => '???????????????',
        105 => '??????????????????',
        108 => '????????????????',
        111 => '????????????????',
        114 => '??????????????????',
        117 => '????????????????',
        120 => '?????????????????',
        123 => '???????????????',
        126 => '?????????????????',
        129 => '??????????????????',
        132 => '??????????????????',
        135 => '?????????????????????',
        138 => '???????????????????',
        141 => '???????????????????',
        144 => '?????????????????????',
        147 => '???????????????????',
        150 => '????????????????????',
        153 => '????????????????',
        156 => '?????????????????',
        159 => '??????????????????',
        162 => '??????????????????',
        165 => '?????????????????????',
        168 => '???????????????????',
        171 => '???????????????????',
        174 => '?????????????????????',
        177 => '???????????????????',
        180 => '????????????????????',
        183 => '??????????????',
        186 => '????????????????',
        189 => '?????????????????',
        192 => '?????????????????',
        195 => '????????????????????',
        198 => '??????????????????',
        201 => '??????????????????',
        204 => '????????????????????',
        207 => '??????????????????',
        210 => '???????????????????',
        213 => '??????????????',
        216 => '????????????????',
        219 => '?????????????????',
        222 => '?????????????????',
        225 => '????????????????????',
        228 => '??????????????????',
        231 => '??????????????????',
        234 => '????????????????????',
        237 => '??????????????????',
        240 => '???????????????????',
        243 => '?????????????',
        246 => '???????????????',
        249 => '????????????????',
        252 => '????????????????',
        255 => '???????????????????',
        258 => '?????????????????',
        261 => '?????????????????',
        264 => '?????????????????',
        267 => '?????????????????',
        270 => '??????????????????',
        273 => '?????????????',
        276 => '???????????????',
        279 => '????????????????',
        282 => '????????????????',
        285 => '???????????????????',
        288 => '?????????????????',
        291 => '?????????????????',
        294 => '???????????????????',
        297 => '?????????????????',
        300 => '??????????????????',
        303 => '?????????'
    );
    // }}}

    // {{{ Numbers_Words_bg()

    /**
     * The class constructor, used for calling the _initDigits method.
     *
     * @return void
     *
     * @access public
     * @author Kouber Saparev <kouber@php.net>
     * @see function _initDigits
     */
    function Numbers_Words_bg()
    {
        $this->_initDigits();
    }
    // }}}

    // {{{ _initDigits()

    /**
     * Fills the _digits array for masculine and feminine genders with
     * corresponding references to neuter words (when they're the same).
     *
     * @return void
     *
     * @access private
     * @author Kouber Saparev <kouber@php.net>
     */
    function _initDigits()
    {
        if (!$this->_digits_initialized) {
            for ($i=3; $i<=9; $i++) {
                $this->_digits[1][$i] =& $this->_digits[0][$i];
            }
            for ($i=2; $i<=9; $i++) {
                $this->_digits[-1][$i] =& $this->_digits[0][$i];
            }
            $this->_digits_initialized = true;
        }
    }
    // }}}

    // {{{ _splitNumber()

    /**
     * Split a number to groups of three-digit numbers.
     *
     * @param mixed $num An integer or its string representation
     *                   that need to be split
     *
     * @return array  Groups of three-digit numbers.
     *
     * @access private
     * @author Kouber Saparev <kouber@php.net>
     * @since  PHP 4.2.3
     */
    function _splitNumber($num)
    {
        if (is_string($num)) {
            $ret = array();

            $strlen = strlen($num);
            $first  = substr($num, 0, $strlen%3);

            preg_match_all('/\d{3}/', substr($num, $strlen%3, $strlen), $m);

            $ret =& $m[0];
            if ($first) {
                array_unshift($ret, $first); 
            }
            return $ret;
        }
        
        return explode(' ', number_format($num, 0, '', ' ')); // a faster version for integers
    }
    // }}}

    // {{{ _showDigitsGroup()

    /**
     * Converts a three-digit number to its word representation
     * in Bulgarian language.
     *
     * @param integer $num    An integer between 1 and 999 inclusive.
     * @param integer $gender An integer which represents the gender of
     *                                                     the current digits group.
     *                                                     0 - neuter
     *                                                     1 - masculine
     *                                                    -1 - feminine
     * @param boolean $last   A flag that determines if the current digits group
     *                        is the last one.
     *
     * @return string   The words for the given number.
     *
     * @access private
     * @author Kouber Saparev <kouber@php.net>
     */
    function _showDigitsGroup($num, $gender = 0, $last = false)
    {
        /* A storage array for the return string.
             Positions 1, 3, 5 are intended for digit words
             and everything else (0, 2, 4) for "and" words.
             Both of the above types are optional, so the size of
             the array may vary.
        */
        $ret = array();
        
        // extract the value of each digit from the three-digit number
        $e = $num%10;                  // ones
        $d = ($num-$e)%100/10;         // tens
        $s = ($num-$d*10-$e)%1000/100; // hundreds
        
        // process the "hundreds" digit.
        if ($s) {
            switch ($s) {
            case 1:
                $ret[1] = $this->_misc_strings['sto'];
                break;
            case 2:
            case 3:
                $ret[1] = $this->_digits[0][$s].$this->_misc_strings['sta'];
                break;
            default:
                $ret[1] = $this->_digits[0][$s].$this->_misc_strings['stotin'];
            }
        }

        // process the "tens" digit, and optionally the "ones" digit.
        if ($d) {
            // in the case of 1, the "ones" digit also must be processed
            if ($d==1) {
                if (!$e) {
                    $ret[3] = $this->_misc_strings['deset']; // ten
                } else {
                    if ($e==1) {
                        $ret[3] = $this->_misc_strings['edinadeset']; // eleven
                    } else {
                        $ret[3] = $this->_digits[1][$e].$this->_misc_strings['na'].$this->_misc_strings['deset']; // twelve - nineteen
                    }
                    // the "ones" digit is alredy processed, so skip a second processment
                    $e = 0;
                }
            } else {
                $ret[3] = $this->_digits[1][$d].$this->_misc_strings['deset']; // twenty - ninety
            }
        }

        // process the "ones" digit
        if ($e) {
            $ret[5] = $this->_digits[$gender][$e];
        }

        // put "and" where needed
        if (count($ret)>1) {
            if ($e) {
                $ret[4] = $this->_and;
            } else {
                $ret[2] = $this->_and;
            }
        }

        // put "and" optionally in the case this is the last non-empty group
        if ($last) {
            if (!$s||count($ret)==1) {
                $ret[0] = $this->_and;
            }
            $this->_last_and = true;
        }

        // sort the return array so that "and" constructs go to theirs appropriate places
        ksort($ret);

        return implode($this->_sep, $ret);
    }
    // }}}

    // {{{ _toWords()

    /**
     * Converts a number to its word representation
     * in Bulgarian language.
     *
     * @param integer $num An integer between 9.99*-10^302 and 9.99*10^302 (999 centillions)
     *                     that need to be converted to words
     *
     * @return string  The corresponding word representation
     *
     * @access protected
     * @author Kouber Saparev <kouber@php.net>
     * @since  Numbers_Words 0.16.3
     */
    function _toWords($num = 0)
    {
        $ret = array();

        $ret_minus = '';

        // check if $num is a valid non-zero number
        if (!$num || preg_match('/^-?0+$/', $num) || !preg_match('/^-?\d+$/', $num)) {
            return $this->_zero;
        }

        // add a minus sign
        if (substr($num, 0, 1) == '-') {
            $ret_minus = $this->_minus . $this->_sep;

            $num = substr($num, 1);
        }

        // if the absolute value is greater than 9.99*10^302, return infinity
        if (strlen($num) > 306) {
            return $ret_minus . $this->_infinity;
        }

        // strip excessive zero signs
        $num = ltrim($num, '0');

        // split $num to groups of three-digit numbers
        $num_groups = $this->_splitNumber($num);

        $sizeof_numgroups = count($num_groups);

        // go through the groups in reverse order, so that the last group could be determined
        for ($i=$sizeof_numgroups-1, $j=1; $i>=0; $i--, $j++) {
            if (!isset($ret[$j])) {
                $ret[$j] = '';
            }

            // what is the corresponding exponent for the current group
            $pow = $sizeof_numgroups-$i;

            // skip processment for empty groups
            if ($num_groups[$i]!='000') {
                if ($num_groups[$i]>1) {
                    if ($pow==1) {
                        $ret[$j] .= $this->_showDigitsGroup($num_groups[$i], 0, !$this->_last_and && $i).$this->_sep;
                        $ret[$j] .= $this->_exponent[($pow-1)*3];
                    } elseif ($pow==2) {
                        $ret[$j] .= $this->_showDigitsGroup($num_groups[$i], -1, !$this->_last_and && $i).$this->_sep;
                        $ret[$j] .= $this->_misc_strings['hiliadi'].$this->_sep;
                    } else {
                        $ret[$j] .= $this->_showDigitsGroup($num_groups[$i], 1, !$this->_last_and && $i).$this->_sep;
                        $ret[$j] .= $this->_exponent[($pow-1)*3].$this->_plural.$this->_sep;
                    }
                } else {
                    if ($pow==1) {
                        $ret[$j] .= $this->_showDigitsGroup($num_groups[$i], 0, !$this->_last_and && $i).$this->_sep;
                    } elseif ($pow==2) {
                        $ret[$j] .= $this->_exponent[($pow-1)*3].$this->_sep;
                    } else {
                        $ret[$j] .= $this->_digits[1][1].$this->_sep.$this->_exponent[($pow-1)*3].$this->_sep;
                    }
                }
            }
        }

        return $ret_minus . rtrim(implode('', array_reverse($ret)), $this->_sep);
    }
    // }}}
}