File NumberPatternParser.php | ICanBoogie/CLDR v1.5.0

  1   2   3   4   5   6   7   8   9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54  55  56  57  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72  73  74  75  76  77  78  79  80  81  82  83  84  85  86  87  88  89  90  91  92  93  94  95  96  97  98  99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159

<?php

/*
 * This file is part of the ICanBoogie package.
 *
 * (c) Olivier Laviale <olivier.laviale@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ICanBoogie\CLDR;

class NumberPatternParser
{
    const PATTERN_REGEX = '/^(.*?)[#,\.0]+(.*?)$/';

    static private $initial_format = [

        'positive_prefix' => '',
        'positive_suffix' => '',
        'negative_prefix' => '',
        'negative_suffix' => '',
        'multiplier' => 1,
        'decimal_digits' => 0,
        'max_decimal_digits' => 0,
        'integer_digits' => 0,
        'group_size1' => 0,
        'group_size2' => 0

    ];

    /**
     * Parses a given string pattern.
     *
     * @param string $pattern The pattern to be parsed.
     *
     * @return array The parsed pattern.
     */
    static public function parse($pattern)
    {
        $format = self::$initial_format;

        self::parse_multiple_patterns($pattern, $format);
        self::parse_multiplier($pattern, $format);
        self::parse_decimal_part($pattern, $format);
        self::parse_integer_part($pattern, $format);
        self::parse_group_sizes($pattern, $format);

        return $format;
    }

    /**
     * @param string $pattern
     * @param array $format
     */
    static private function parse_multiple_patterns(&$pattern, array &$format)
    {
        $patterns = explode(';', $pattern);

        if (preg_match(self::PATTERN_REGEX, $patterns[0], $matches))
        {
            $format['positive_prefix'] = $matches[1];
            $format['positive_suffix'] = $matches[2];
        }

        if (isset($patterns[1]) && preg_match(self::PATTERN_REGEX, $patterns[1], $matches))
        {
            $format['negative_prefix'] = $matches[1];
            $format['negative_suffix'] = $matches[2];
        }
        else
        {
            $format['negative_prefix'] = '-' . $format['positive_prefix'];
            $format['negative_suffix'] = $format['positive_suffix'];
        }

        $pattern = $patterns[0];
    }

    /**
     * @param string $pattern
     * @param array $format
     */
    static private function parse_multiplier(&$pattern, array &$format)
    {
        if (strpos($pattern, '%') !== false)
        {
            $format['multiplier'] = 100;
        }
        else
        {
            if (strpos($pattern, '‰') !== false)
            {
                $format['multiplier'] = 1000;
            }
        }
    }

    /**
     * @param string $pattern
     * @param array $format
     */
    static private function parse_decimal_part(&$pattern, array &$format)
    {
        $pos = strpos($pattern, '.');

        if ($pos !== false)
        {
            $pos2 = strrpos($pattern, '0');
            $format['decimal_digits'] = $pos2 > $pos
                ? $pos2 - $pos
                : 0;

            $pos3 = strrpos($pattern, '#');
            $format['max_decimal_digits'] = $pos3 >= $pos2
                ? $pos3 - $pos
                : $format['decimal_digits'];

            $pattern = substr($pattern, 0, $pos);
        }

    }

    /**
     * @param string $pattern
     * @param array $format
     */
    static private function parse_integer_part(&$pattern, array &$format)
    {
        $p = str_replace(',', '', $pattern);
        $pos = strpos($p, '0');

        $format['integer_digits'] = $pos !== false
            ? strrpos($p, '0') - $pos + 1
            : 0;
    }

    /**
     * @param string $pattern
     * @param array $format
     */
    static private function parse_group_sizes(&$pattern, array &$format)
    {
        $p = str_replace('#', '0', $pattern);
        $pos = strrpos($pattern, ',');

        if ($pos !== false)
        {
            $format['group_size1'] = strrpos($p, '0') - $pos;

            $pos2 = strrpos(substr($p, 0, $pos), ',');
            $format['group_size2'] = $pos2 !== false
                ? $pos - $pos2 - 1
                : 0;
        }
    }
}

Namespaces

Classes

Interfaces

Traits

Exceptions