wapmorgan /
Morphos
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like NounDeclension often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use NounDeclension, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 12 | class NounDeclension extends BaseInflection implements Cases, Gender |
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| 13 | { |
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| 14 | use RussianLanguage, CasesHelper; |
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| 15 | |||
| 16 | const FIRST_DECLENSION = 1; |
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| 17 | const SECOND_DECLENSION = 2; |
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| 18 | const THIRD_DECLENSION = 3; |
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| 19 | |||
| 20 | /** @var string[] */ |
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| 21 | public static $immutableWords = [ |
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| 22 | // валюты |
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| 23 | 'евро', 'пенни', 'песо', 'сентаво', |
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| 24 | |||
| 25 | // на а |
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| 26 | 'боа', 'бра', 'фейхоа', 'амплуа', 'буржуа', |
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| 27 | // на о |
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| 28 | 'манго', 'какао', 'кино', 'трюмо', 'пальто', 'бюро', 'танго', 'вето', 'бунгало', 'сабо', 'авокадо', 'депо', 'панно', |
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| 29 | // на у |
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| 30 | 'зебу', 'кенгуру', 'рагу', 'какаду', 'шоу', |
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| 31 | // на е |
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| 32 | 'шимпанзе', 'конферансье', 'атташе', 'колье', 'резюме', 'пенсне', 'кашне', 'протеже', 'коммюнике', 'драже', 'суфле', 'пюре', 'купе', 'фойе', 'шоссе', 'крупье', |
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| 33 | // на и |
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| 34 | 'такси', 'жалюзи', 'шасси', 'алиби', 'киви', 'иваси', 'регби', 'конфетти', 'колибри', 'жюри', 'пенальти', 'рефери', 'кольраби', |
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| 35 | // на э |
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| 36 | 'каноэ', 'алоэ', |
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| 37 | // на ю |
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| 38 | 'меню', 'парвеню', 'авеню', 'дежавю', 'инженю', 'барбекю', 'интервью', |
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| 39 | ]; |
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| 40 | |||
| 41 | /** |
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| 42 | * These words has 2 declension type. |
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| 43 | * @var string[]|string[][] |
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| 44 | */ |
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| 45 | protected static $abnormalExceptions = [ |
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| 46 | 'бремя', |
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| 47 | 'вымя', |
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| 48 | 'темя', |
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| 49 | 'пламя', |
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| 50 | 'стремя', |
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| 51 | 'пламя', |
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| 52 | 'время', |
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| 53 | 'знамя', |
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| 54 | 'имя', |
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| 55 | 'племя', |
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| 56 | 'семя', |
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| 57 | 'путь' => ['путь', 'пути', 'пути', 'путь', 'путем', 'пути'], |
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| 58 | 'дитя' => ['дитя', 'дитяти', 'дитяти', 'дитя', 'дитятей', 'дитяти'], |
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| 59 | ]; |
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| 60 | |||
| 61 | /** @var string[] */ |
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| 62 | protected static $masculineWithSoft = [ |
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| 63 | 'автослесарь', |
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| 64 | 'библиотекарь', |
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| 65 | 'водитель', |
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| 66 | 'воспитатель', |
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| 67 | 'врач', |
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| 68 | 'выхухоль', |
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| 69 | 'гвоздь', |
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| 70 | 'делопроизводитель', |
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| 71 | 'день', |
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| 72 | 'дождь', |
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| 73 | 'заместитель', |
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| 74 | 'зверь', |
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| 75 | 'камень', |
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| 76 | 'конь', |
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| 77 | 'конь', |
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| 78 | 'корень', |
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| 79 | 'лось', |
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| 80 | 'медведь', |
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| 81 | 'модуль', |
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| 82 | 'олень', |
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| 83 | 'парень', |
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| 84 | 'пекарь', |
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| 85 | 'пельмень', |
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| 86 | 'пень', |
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| 87 | 'председатель', |
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| 88 | 'представитель', |
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| 89 | 'преподаватель', |
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| 90 | 'продавец', |
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| 91 | 'производитель', |
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| 92 | 'путь', |
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| 93 | 'рояль', |
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| 94 | 'рубль', |
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| 95 | 'руководитель', |
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| 96 | 'секретарь', |
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| 97 | 'слесарь', |
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| 98 | 'строитель', |
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| 99 | 'табель', |
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| 100 | 'токарь', |
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| 101 | 'трутень', |
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| 102 | 'тюлень', |
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| 103 | 'учитель', |
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| 104 | 'циркуль', |
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| 105 | 'шампунь', |
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| 106 | 'шкворень', |
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| 107 | 'юань', |
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| 108 | 'ячмень', |
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| 109 | ]; |
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| 110 | |||
| 111 | /** @var string[] */ |
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| 112 | protected static $masculineWithSoftAndRunAwayVowels = [ |
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| 113 | 'санузел', |
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| 114 | ]; |
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| 115 | |||
| 116 | /** @var string[] */ |
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| 117 | public static $runawayVowelsExceptions = [ |
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| 118 | 'глото*к', |
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| 119 | 'де*нь', |
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| 120 | 'каме*нь', |
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| 121 | 'коре*нь', |
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| 122 | 'паре*нь', |
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| 123 | 'пе*нь', |
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| 124 | 'песе*ц', |
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| 125 | 'писе*ц', |
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| 126 | 'санузе*л', |
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| 127 | 'труте*нь', |
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| 128 | ]; |
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| 129 | |||
| 130 | /** |
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| 131 | * Проверка, изменяемое ли слово. |
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| 132 | * @param string $word Слово для проверки |
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| 133 | * @param bool $animateness Признак одушевленности |
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| 134 | * @return bool |
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| 135 | */ |
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| 136 | 43 | public static function isMutable($word, $animateness = false) |
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| 137 | { |
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| 138 | 43 | $word = S::lower($word); |
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| 139 | 43 | if (in_array(S::slice($word, -1), ['у', 'и', 'е', 'о', 'ю'], true) || in_array($word, static::$immutableWords, true)) { |
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| 140 | 43 | return false; |
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| 141 | } |
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| 142 | return true; |
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| 143 | } |
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| 144 | |||
| 145 | /** |
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| 146 | * Определение рода существительного. |
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| 147 | * @param string $word |
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| 148 | * @return string |
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| 149 | */ |
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| 150 | 8 | public static function detectGender($word) |
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| 151 | { |
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| 152 | 8 | $word = S::lower($word); |
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| 153 | 8 | $last = S::slice($word, -1); |
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| 154 | // пытаемся угадать род объекта, хотя бы примерно, чтобы правильно склонять |
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| 155 | 8 | if (S::slice($word, -2) == 'мя' || in_array($last, ['о', 'е', 'и', 'у'], true)) |
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| 156 | 2 | return static::NEUTER; |
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| 157 | |||
| 158 | 6 | if (in_array($last, ['а', 'я'], true) || |
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| 159 | 6 | ($last == 'ь' && !in_array($word, static::$masculineWithSoft, true))) |
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| 160 | 3 | return static::FEMALE; |
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| 161 | |||
| 162 | 3 | return static::MALE; |
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| 163 | } |
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| 164 | |||
| 165 | /** |
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| 166 | * Определение склонения (по школьной программе) существительного. |
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| 167 | * @param string $word |
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| 168 | * @param bool $animateness |
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| 169 | * @return int |
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| 170 | */ |
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| 171 | 201 | public static function getDeclension($word, $animateness = false) |
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| 172 | { |
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| 173 | 201 | $word = S::lower($word); |
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| 174 | 201 | $last = S::slice($word, -1); |
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| 175 | 201 | if (isset(static::$abnormalExceptions[$word]) || in_array($word, static::$abnormalExceptions, true)) { |
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| 176 | 3 | return 2; |
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| 177 | } |
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| 178 | |||
| 179 | 198 | if (in_array($last, ['а', 'я'], true) && S::slice($word, -2) != 'мя') { |
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| 180 | 64 | return 1; |
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| 181 | 149 | } elseif (static::isConsonant($last) || in_array($last, ['о', 'е', 'ё'], true) |
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| 182 | 41 | || ($last == 'ь' && static::isConsonant(S::slice($word, -2, -1)) && !static::isHissingConsonant(S::slice($word, -2, -1)) |
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| 183 | 149 | && (in_array($word, static::$masculineWithSoft, true)) /*|| in_array($word, static::$masculineWithSoftAndRunAwayVowels, true)*/)) { |
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| 184 | 140 | return 2; |
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| 185 | } else { |
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| 186 | 9 | return 3; |
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| 187 | } |
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| 188 | } |
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| 189 | |||
| 190 | /** |
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| 191 | * Получение слова во всех 6 падежах. |
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| 192 | * @param string $word |
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| 193 | * @param bool $animateness Признак одушевлённости |
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| 194 | * @return string[] |
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| 195 | * @phpstan-return array<string, string> |
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| 196 | */ |
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| 197 | 110 | public static function getCases($word, $animateness = false) |
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| 198 | { |
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| 199 | 110 | $word = S::lower($word); |
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| 200 | |||
| 201 | // Адъективное склонение (Сущ, образованные от прилагательных и причастий) - прохожий, существительное |
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| 202 | 110 | if (static::isAdjectiveNoun($word)) { |
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| 203 | 8 | return static::declinateAdjective($word, $animateness); |
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| 204 | } |
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| 205 | |||
| 206 | // Субстантивное склонение (существительные) |
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| 207 | 102 | View Code Duplication | if (in_array($word, static::$immutableWords, true)) { |
| 208 | return [ |
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| 209 | 3 | static::IMENIT => $word, |
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| 210 | 3 | static::RODIT => $word, |
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| 211 | 3 | static::DAT => $word, |
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| 212 | 3 | static::VINIT => $word, |
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| 213 | 3 | static::TVORIT => $word, |
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| 214 | 3 | static::PREDLOJ => $word, |
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| 215 | ]; |
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| 216 | } |
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| 217 | |||
| 218 | 99 | View Code Duplication | if (isset(static::$abnormalExceptions[$word])) { |
| 219 | 2 | return array_combine([static::IMENIT, static::RODIT, static::DAT, static::VINIT, static::TVORIT, static::PREDLOJ], static::$abnormalExceptions[$word]); |
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| 220 | } |
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| 221 | |||
| 222 | 97 | if (in_array($word, static::$abnormalExceptions, true)) { |
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| 223 | 1 | $prefix = S::slice($word, 0, -1); |
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| 224 | return [ |
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| 225 | 1 | static::IMENIT => $word, |
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| 226 | 1 | static::RODIT => $prefix.'ени', |
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| 227 | 1 | static::DAT => $prefix.'ени', |
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| 228 | 1 | static::VINIT => $word, |
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| 229 | 1 | static::TVORIT => $prefix.'енем', |
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| 230 | 1 | static::PREDLOJ => $prefix.'ени', |
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| 231 | ]; |
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| 232 | } |
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| 233 | |||
| 234 | 96 | switch (static::getDeclension($word)) { |
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| 235 | 96 | case static::FIRST_DECLENSION: |
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| 236 | 25 | return static::declinateFirstDeclension($word); |
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| 237 | 73 | case static::SECOND_DECLENSION: |
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| 238 | 69 | return static::declinateSecondDeclension($word, $animateness); |
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| 239 | 4 | case static::THIRD_DECLENSION: |
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| 240 | 4 | return static::declinateThirdDeclension($word); |
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| 241 | |||
| 242 | default: throw new RuntimeException('Unreachable'); |
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| 243 | } |
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| 244 | } |
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| 245 | |||
| 246 | /** |
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| 247 | * Получение всех форм слова первого склонения. |
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| 248 | * @param string $word |
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| 249 | * @return string[] |
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| 250 | * @phpstan-return array<string, string> |
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| 251 | */ |
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| 252 | 25 | public static function declinateFirstDeclension($word) |
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| 253 | { |
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| 254 | 25 | $word = S::lower($word); |
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| 255 | 25 | $prefix = S::slice($word, 0, -1); |
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| 256 | 25 | $last = S::slice($word, -1); |
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| 257 | 25 | $soft_last = static::checkLastConsonantSoftness($word); |
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| 258 | $forms = [ |
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| 259 | 25 | Cases::IMENIT => $word, |
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| 260 | ]; |
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| 261 | |||
| 262 | // RODIT |
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| 263 | 25 | $forms[Cases::RODIT] = static::chooseVowelAfterConsonant($last, $soft_last || (in_array(S::slice($word, -2, -1), ['г', 'к', 'х'], true)), $prefix.'и', $prefix.'ы'); |
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| 264 | |||
| 265 | // DAT |
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| 266 | 25 | $forms[Cases::DAT] = static::getPredCaseOf12Declensions($word, $last, $prefix); |
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| 267 | |||
| 268 | // VINIT |
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| 269 | 25 | $forms[Cases::VINIT] = static::chooseVowelAfterConsonant($last, $soft_last && S::slice($word, -2, -1) !== 'ч', $prefix.'ю', $prefix.'у'); |
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| 270 | |||
| 271 | // TVORIT |
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| 272 | 25 | if ($last === 'ь') { |
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| 273 | $forms[Cases::TVORIT] = $prefix.'ой'; |
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| 274 | View Code Duplication | } else { |
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| 275 | 25 | $forms[Cases::TVORIT] = static::chooseVowelAfterConsonant($last, $soft_last, $prefix.'ей', $prefix.'ой'); |
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| 276 | } |
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| 277 | |||
| 278 | // if ($last == 'й' || (static::isConsonant($last) && !static::isHissingConsonant($last)) || static::checkLastConsonantSoftness($word)) |
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| 279 | // $forms[Cases::TVORIT] = $prefix.'ей'; |
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| 280 | // else |
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| 281 | // $forms[Cases::TVORIT] = $prefix.'ой'; # http://morpher.ru/Russian/Spelling.aspx#sibilant |
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| 282 | |||
| 283 | // PREDLOJ the same as DAT |
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| 284 | 25 | $forms[Cases::PREDLOJ] = $forms[Cases::DAT]; |
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| 285 | 25 | return $forms; |
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| 286 | } |
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| 287 | |||
| 288 | /** |
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| 289 | * Получение всех форм слова второго склонения. |
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| 290 | * @param string $word |
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| 291 | * @param bool $animateness |
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| 292 | * @return string[] |
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| 293 | * @phpstan-return array<string, string> |
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| 294 | */ |
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| 295 | 69 | public static function declinateSecondDeclension($word, $animateness = false) |
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| 296 | { |
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| 297 | 69 | $word = S::lower($word); |
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| 298 | 69 | $last = S::slice($word, -1); |
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| 299 | 69 | $soft_last = $last === 'й' |
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| 300 | || ( |
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| 301 | 66 | in_array($last, ['ь', 'е', 'ё', 'ю', 'я'], true) |
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| 302 | && ( |
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| 303 | ( |
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| 304 | 23 | static::isConsonant(S::slice($word, -2, -1)) |
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| 305 | 19 | && !static::isHissingConsonant(S::slice($word, -2, -1)) |
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| 306 | ) |
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| 307 | 69 | || S::slice($word, -2, -1) === 'и') |
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| 308 | ); |
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| 309 | 69 | $prefix = static::getPrefixOfSecondDeclension($word, $last); |
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| 310 | $forms = [ |
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| 311 | 69 | Cases::IMENIT => $word, |
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| 312 | ]; |
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| 313 | |||
| 314 | // RODIT |
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| 315 | 69 | $forms[Cases::RODIT] = static::chooseVowelAfterConsonant($last, $soft_last, $prefix.'я', $prefix.'а'); |
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| 316 | |||
| 317 | // DAT |
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| 318 | 69 | $forms[Cases::DAT] = static::chooseVowelAfterConsonant($last, $soft_last, $prefix.'ю', $prefix.'у'); |
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| 319 | |||
| 320 | // VINIT |
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| 321 | 69 | if (in_array($last, ['о', 'е', 'ё'], true)) { |
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| 322 | 13 | $forms[Cases::VINIT] = $word; |
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| 323 | } else { |
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| 324 | 56 | $forms[Cases::VINIT] = static::getVinitCaseByAnimateness($forms, $animateness); |
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| 325 | } |
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| 326 | |||
| 327 | // TVORIT |
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| 328 | // if ($last == 'ь') |
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| 329 | // $forms[Cases::TVORIT] = $prefix.'ом'; |
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| 330 | // else if ($last == 'й' || (static::isConsonant($last) && !static::isHissingConsonant($last))) |
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| 331 | // $forms[Cases::TVORIT] = $prefix.'ем'; |
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| 332 | // else |
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| 333 | // $forms[Cases::TVORIT] = $prefix.'ом'; # http://morpher.ru/Russian/Spelling.aspx#sibilant |
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| 334 | 69 | if ((static::isHissingConsonant($last) && $last !== 'ш') |
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| 335 | 66 | || (in_array($last, ['ь', 'е', 'ё', 'ю', 'я'], true) && static::isHissingConsonant(S::slice($word, -2, -1))) |
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| 336 | 69 | || ($last === 'ц' && S::slice($word, -2) !== 'ец')) { |
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| 337 | 6 | $forms[Cases::TVORIT] = $prefix.'ем'; |
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| 338 | 63 | View Code Duplication | } elseif (in_array($last, ['й'/*, 'ч', 'щ'*/], true) || $soft_last) { |
| 339 | 24 | $forms[Cases::TVORIT] = $prefix.'ем'; |
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| 340 | } else { |
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| 341 | 39 | $forms[Cases::TVORIT] = $prefix.'ом'; |
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| 342 | } |
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| 343 | |||
| 344 | // PREDLOJ |
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| 345 | 69 | $forms[Cases::PREDLOJ] = static::getPredCaseOf12Declensions($word, $last, $prefix); |
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| 346 | |||
| 347 | 69 | return $forms; |
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| 348 | } |
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| 349 | |||
| 350 | /** |
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| 351 | * Получение всех форм слова третьего склонения. |
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| 352 | * @param string $word |
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| 353 | * @return string[] |
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| 354 | * @phpstan-return array<string, string> |
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| 355 | */ |
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| 356 | 4 | public static function declinateThirdDeclension($word) |
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| 357 | { |
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| 358 | 4 | $word = S::lower($word); |
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| 359 | 4 | $prefix = S::slice($word, 0, -1); |
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| 360 | return [ |
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| 361 | 4 | Cases::IMENIT => $word, |
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| 362 | 4 | Cases::RODIT => $prefix.'и', |
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| 363 | 4 | Cases::DAT => $prefix.'и', |
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| 364 | 4 | Cases::VINIT => $word, |
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| 365 | 4 | Cases::TVORIT => $prefix.'ью', |
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| 366 | 4 | Cases::PREDLOJ => $prefix.'и', |
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| 367 | ]; |
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| 368 | } |
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| 369 | |||
| 370 | /** |
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| 371 | * Склонение существительных, образованных от прилагательных и причастий. |
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| 372 | * Rules are from http://rusgram.narod.ru/1216-1231.html |
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| 373 | * @param string $word |
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| 374 | * @param bool $animateness |
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| 375 | * @return string[] |
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| 376 | * @phpstan-return array<string, string> |
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| 377 | */ |
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| 378 | 8 | public static function declinateAdjective($word, $animateness) |
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| 379 | { |
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| 380 | 8 | $prefix = S::slice($word, 0, -2); |
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| 381 | |||
| 382 | 8 | switch (S::slice($word, -2)) { |
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| 383 | // Male adjectives |
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| 384 | 8 | case 'ой': |
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| 385 | 7 | View Code Duplication | case 'ый': |
| 386 | return [ |
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| 387 | 2 | Cases::IMENIT => $word, |
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| 388 | 2 | Cases::RODIT => $prefix.'ого', |
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| 389 | 2 | Cases::DAT => $prefix.'ому', |
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| 390 | 2 | Cases::VINIT => $word, |
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| 391 | 2 | Cases::TVORIT => $prefix.'ым', |
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| 392 | 2 | Cases::PREDLOJ => $prefix.'ом', |
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| 393 | ]; |
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| 394 | |||
| 395 | 6 | View Code Duplication | case 'ий': |
| 396 | return [ |
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| 397 | 1 | Cases::IMENIT => $word, |
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| 398 | 1 | Cases::RODIT => $prefix.'его', |
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| 399 | 1 | Cases::DAT => $prefix.'ему', |
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| 400 | 1 | Cases::VINIT => $prefix.'его', |
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| 401 | 1 | Cases::TVORIT => $prefix.'им', |
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| 402 | 1 | Cases::PREDLOJ => $prefix.'ем', |
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| 403 | ]; |
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| 404 | |||
| 405 | // Neuter adjectives |
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| 406 | 5 | case 'ое': |
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| 407 | 4 | case 'ее': |
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| 408 | 2 | $prefix = S::slice($word, 0, -1); |
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| 409 | return [ |
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| 410 | 2 | Cases::IMENIT => $word, |
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| 411 | 2 | Cases::RODIT => $prefix.'го', |
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| 412 | 2 | Cases::DAT => $prefix.'му', |
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| 413 | 2 | Cases::VINIT => $word, |
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| 414 | 2 | Cases::TVORIT => S::slice($word, 0, -2).(S::slice($word, -2, -1) == 'о' ? 'ы' : 'и').'м', |
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| 415 | 2 | Cases::PREDLOJ => $prefix.'м', |
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| 416 | ]; |
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| 417 | |||
| 418 | // Female adjectives |
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| 419 | 3 | case 'ая': |
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| 420 | 3 | $ending = static::isHissingConsonant(S::slice($prefix, -1)) ? 'ей' : 'ой'; |
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| 421 | return [ |
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| 422 | 3 | Cases::IMENIT => $word, |
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| 423 | 3 | Cases::RODIT => $prefix.$ending, |
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| 424 | 3 | Cases::DAT => $prefix.$ending, |
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| 425 | 3 | Cases::VINIT => $prefix.'ую', |
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| 426 | 3 | Cases::TVORIT => $prefix.$ending, |
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| 427 | 3 | Cases::PREDLOJ => $prefix.$ending, |
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| 428 | ]; |
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| 429 | |||
| 430 | default: throw new RuntimeException('Unreachable'); |
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| 431 | } |
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| 432 | } |
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| 433 | |||
| 434 | /** |
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| 435 | * Получение одной формы слова (падежа). |
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| 436 | * @param string $word Слово |
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| 437 | * @param string $case Падеж |
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| 438 | * @param bool $animateness Признак одушевленности |
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| 439 | * @return string |
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| 440 | * @throws \Exception |
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| 441 | */ |
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| 442 | 43 | public static function getCase($word, $case, $animateness = false) |
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| 448 | |||
| 449 | /** |
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| 450 | * @param string $word |
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| 451 | * @param string $last |
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| 452 | * @return string |
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| 453 | */ |
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| 454 | 104 | public static function getPrefixOfSecondDeclension($word, $last) |
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| 455 | { |
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| 456 | // слова с бегающей гласной в корне |
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| 478 | |||
| 479 | /** |
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| 480 | * @param string $word |
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| 481 | * @param string $last |
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| 482 | * @param string $prefix |
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| 483 | * @return string |
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| 484 | */ |
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| 485 | 92 | public static function getPredCaseOf12Declensions($word, $last, $prefix) |
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| 497 | |||
| 498 | /** |
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| 499 | * @return int[]|false[] |
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| 500 | */ |
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| 501 | 104 | View Code Duplication | public static function getRunAwayVowelsList() |
| 509 | } |
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| 510 |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.