Total Complexity | 11 |
Total Lines | 80 |
Duplicated Lines | 0 % |
Coverage | 100% |
Changes | 1 | ||
Bugs | 0 | Features | 0 |
1 | <?php |
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19 | final class LatinLetter implements LabelGenerator |
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20 | { |
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21 | /** |
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22 | * @var string |
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23 | */ |
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24 | private $str; |
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25 | |||
26 | /** |
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27 | * New instance. |
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28 | */ |
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29 | 60 | public function __construct(string $str = 'A') |
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32 | 60 | } |
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33 | |||
34 | 60 | public function filterLetter(string $str): string |
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35 | { |
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36 | 60 | $str = trim($str); |
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37 | 60 | if ('' === $str) { |
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38 | 12 | return '0'; |
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39 | } |
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40 | |||
41 | 48 | if (1 !== preg_match('/^[A-Za-z]+$/', $str)) { |
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42 | 6 | return 'A'; |
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43 | } |
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44 | |||
45 | 42 | return $str; |
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46 | } |
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47 | |||
48 | /** |
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49 | * {@inheritdoc} |
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50 | */ |
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51 | 6 | public function format(string $label): string |
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52 | { |
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53 | 6 | return $label; |
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54 | } |
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55 | |||
56 | /** |
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57 | * {@inheritdoc} |
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58 | */ |
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59 | 51 | public function generate(int $nbLabels): \Iterator |
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71 | } |
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72 | 51 | } |
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73 | |||
74 | /** |
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75 | * Returns the starting Letter. |
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76 | */ |
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77 | 3 | public function startingAt(): string |
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80 | } |
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81 | |||
82 | /** |
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83 | * Return an instance with the starting Letter. |
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84 | * |
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85 | * This method MUST retain the state of the current instance, and return |
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86 | * an instance that contains the starting Letter. |
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87 | */ |
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88 | 3 | public function startsWith(string $str): self |
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99 | } |
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100 | } |
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101 |