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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * @license MIT |
| 5 | * @author hazuki3417<hazuki3417@gmail.com> |
| 6 | * @copyright 2023 hazuki3417 all rights reserved. |
| 7 | */ |
| 8 | |
| 9 | namespace Selen\Str\Verify\Width; |
| 10 | |
| 11 | abstract class AbstractWidth |
| 12 | { |
| 13 | /** @var int 半角1文字の幅 */ |
| 14 | public const HALF_CHARACTER_WIDTH = 1; |
| 15 | |
| 16 | /** @var int 全角1文字の幅 */ |
| 17 | public const FULL_CHARACTER_WIDTH = 2; |
| 18 | |
| 19 | /** @var string */ |
| 20 | protected $str; |
| 21 | |
| 22 | public function __construct(string $val) |
| 23 | { |
| 24 | $this->str = $val; |
| 25 | } |
| 26 | |
| 27 | abstract public function exist(): bool; |
| 28 | abstract public function notExist(): bool; |
| 29 | abstract public function only(): bool; |
| 30 | abstract public function notOnly(): bool; |
| 31 | |
| 32 | /** |
| 33 | * すべて全角文字だった場合の横幅の長さを計算します |
| 34 | * |
| 35 | * @return int 横幅の長さを返します |
| 36 | */ |
| 37 | protected function calcStrAllFullWidth(): int |
| 38 | { |
| 39 | return $this->getStrLength() * self::FULL_CHARACTER_WIDTH; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * すべて半角文字だった場合の横幅の長さを計算します |
| 44 | * |
| 45 | * @return int 横幅の長さを返します |
| 46 | */ |
| 47 | protected function calcStrAllHalfWidth(): int |
| 48 | { |
| 49 | return $this->getStrLength() * self::HALF_CHARACTER_WIDTH; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * 文字列の長さを取得します |
| 54 | * |
| 55 | * @return int 文字列の長さを返します |
| 56 | */ |
| 57 | protected function getStrLength(): int |
| 58 | { |
| 59 | return mb_strlen($this->str); |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * 文字列の横幅を取得します |
| 64 | * |
| 65 | * @return int 文字列の横幅を返します |
| 66 | */ |
| 67 | protected function getStrWidth(): int |
| 68 | { |
| 69 | return mb_strwidth($this->str); |
| 70 | } |
| 71 | } |