| Total Complexity | 70 |
| Total Lines | 485 |
| Duplicated Lines | 0 % |
| Changes | 3 | ||
| Bugs | 1 | Features | 0 |
Complex classes like PartsField 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.
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 PartsField, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 16 | abstract class PartsField extends BaseField |
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| 17 | { |
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| 18 | private const BUILTIN_TOKENS = [ |
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| 19 | '{input}', |
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| 20 | '{label}', |
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| 21 | '{hint}', |
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| 22 | '{error}', |
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| 23 | ]; |
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| 24 | |||
| 25 | /** |
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| 26 | * @var string[]|Stringable[] |
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| 27 | * @psalm-var array<non-empty-string,string|Stringable> |
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| 28 | */ |
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| 29 | private array $extraTokens = []; |
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| 30 | |||
| 31 | protected string $templateBegin = "{label}\n{input}"; |
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| 32 | protected string $templateEnd = "{input}\n{hint}\n{error}"; |
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| 33 | protected string $template = "{label}\n{input}\n{hint}\n{error}"; |
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| 34 | protected ?bool $hideLabel = null; |
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| 35 | |||
| 36 | private bool $replaceLabelAttributes = false; |
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| 37 | private bool $replaceLabelClass = false; |
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| 38 | private array $labelAttributes = []; |
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| 39 | private array $labelConfig = []; |
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| 40 | |||
| 41 | private bool $replaceHintAttributes = false; |
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| 42 | private bool $replaceHintClass = false; |
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| 43 | private array $hintAttributes = []; |
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| 44 | private array $hintConfig = []; |
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| 45 | |||
| 46 | private bool $replaceErrorAttributes = false; |
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| 47 | private bool $replaceErrorClass = false; |
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| 48 | private array $errorAttributes = []; |
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| 49 | private array $errorConfig = []; |
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| 50 | |||
| 51 | final public function tokens(array $tokens): static |
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| 52 | { |
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| 53 | $new = clone $this; |
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| 54 | |||
| 55 | foreach ($tokens as $token => $value) { |
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| 56 | if (!is_string($token)) { |
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| 57 | throw new InvalidArgumentException( |
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| 58 | sprintf( |
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| 59 | 'Token should be string. %s given.', |
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| 60 | $token, |
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| 61 | ) |
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| 62 | ); |
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| 63 | } |
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| 64 | |||
| 65 | if (!is_string($value) && !$value instanceof Stringable) { |
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| 66 | throw new InvalidArgumentException( |
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| 67 | sprintf( |
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| 68 | 'Token value should be string or Stringable. %s given.', |
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| 69 | get_debug_type($value), |
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| 70 | ) |
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| 71 | ); |
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| 72 | } |
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| 73 | |||
| 74 | $this->validateToken($token); |
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| 75 | |||
| 76 | $new->extraTokens[$token] = $value; |
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| 77 | } |
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| 78 | |||
| 79 | return $new; |
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| 80 | } |
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| 81 | |||
| 82 | final public function token(string $token, string|Stringable $value): static |
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| 83 | { |
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| 84 | $this->validateToken($token); |
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| 85 | |||
| 86 | $new = clone $this; |
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| 87 | $new->extraTokens[$token] = $value; |
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| 88 | return $new; |
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| 89 | } |
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| 90 | |||
| 91 | /** |
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| 92 | * Set layout template for render a field. |
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| 93 | */ |
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| 94 | final public function template(string $template): static |
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| 95 | { |
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| 96 | $new = clone $this; |
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| 97 | $new->template = $template; |
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| 98 | return $new; |
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| 99 | } |
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| 100 | |||
| 101 | final public function templateBegin(string $template): static |
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| 102 | { |
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| 103 | $new = clone $this; |
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| 104 | $new->templateBegin = $template; |
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| 105 | return $new; |
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| 106 | } |
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| 107 | |||
| 108 | final public function templateEnd(string $template): static |
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| 109 | { |
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| 110 | $new = clone $this; |
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| 111 | $new->templateEnd = $template; |
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| 112 | return $new; |
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| 113 | } |
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| 114 | |||
| 115 | final public function hideLabel(?bool $hide = true): static |
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| 116 | { |
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| 117 | $new = clone $this; |
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| 118 | $new->hideLabel = $hide; |
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| 119 | return $new; |
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| 120 | } |
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| 121 | |||
| 122 | final public function labelConfig(array $config): static |
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| 123 | { |
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| 124 | $new = clone $this; |
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| 125 | $new->labelConfig = $config; |
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| 126 | return $new; |
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| 127 | } |
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| 128 | |||
| 129 | final public function labelAttributes(array $attributes): static |
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| 130 | { |
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| 131 | $new = clone $this; |
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| 132 | $new->labelAttributes = array_merge($new->labelAttributes, $attributes); |
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| 133 | return $new; |
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| 134 | } |
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| 135 | |||
| 136 | final public function replaceLabelAttributes(array $attributes): static |
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| 137 | { |
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| 138 | $new = clone $this; |
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| 139 | $new->labelAttributes = $attributes; |
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| 140 | $new->replaceLabelAttributes = true; |
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| 141 | return $new; |
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| 142 | } |
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| 143 | |||
| 144 | /** |
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| 145 | * Set label tag ID. |
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| 146 | * |
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| 147 | * @param string|null $id Label tag ID. |
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| 148 | */ |
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| 149 | final public function labelId(?string $id): static |
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| 150 | { |
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| 151 | $new = clone $this; |
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| 152 | $new->labelAttributes['id'] = $id; |
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| 153 | return $new; |
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| 154 | } |
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| 155 | |||
| 156 | /** |
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| 157 | * Add one or more CSS classes to the label tag. |
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| 158 | * |
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| 159 | * @param string|null ...$class One or many CSS classes. |
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| 160 | */ |
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| 161 | final public function labelClass(?string ...$class): static |
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| 162 | { |
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| 163 | $new = clone $this; |
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| 164 | Html::addCssClass( |
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| 165 | $new->labelAttributes, |
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| 166 | array_filter($class, static fn ($c) => $c !== null), |
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| 167 | ); |
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| 168 | return $new; |
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| 169 | } |
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| 170 | |||
| 171 | /** |
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| 172 | * Replace label tag CSS classes with a new set of classes. |
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| 173 | * |
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| 174 | * @param string|null ...$class One or many CSS classes. |
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| 175 | */ |
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| 176 | final public function replaceLabelClass(?string ...$class): static |
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| 177 | { |
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| 178 | $new = clone $this; |
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| 179 | $new->labelAttributes['class'] = array_filter($class, static fn ($c) => $c !== null); |
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| 180 | $new->replaceLabelClass = true; |
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| 181 | return $new; |
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| 182 | } |
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| 183 | |||
| 184 | final public function label(?string $content): static |
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| 185 | { |
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| 186 | $new = clone $this; |
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| 187 | $new->labelConfig['content()'] = [$content]; |
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| 188 | return $new; |
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| 189 | } |
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| 190 | |||
| 191 | final public function hintConfig(array $config): static |
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| 192 | { |
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| 193 | $new = clone $this; |
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| 194 | $new->hintConfig = $config; |
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| 195 | return $new; |
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| 196 | } |
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| 197 | |||
| 198 | final public function hintAttributes(array $attributes): static |
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| 199 | { |
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| 200 | $new = clone $this; |
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| 201 | $new->hintAttributes = array_merge($new->hintAttributes, $attributes); |
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| 202 | return $new; |
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| 203 | } |
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| 204 | |||
| 205 | final public function replaceHintAttributes(array $attributes): static |
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| 206 | { |
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| 207 | $new = clone $this; |
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| 208 | $new->hintAttributes = $attributes; |
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| 209 | $new->replaceHintAttributes = true; |
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| 210 | return $new; |
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| 211 | } |
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| 212 | |||
| 213 | /** |
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| 214 | * Set hint tag ID. |
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| 215 | * |
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| 216 | * @param string|null $id Hint tag ID. |
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| 217 | */ |
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| 218 | final public function hintId(?string $id): static |
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| 219 | { |
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| 220 | $new = clone $this; |
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| 221 | $new->hintAttributes['id'] = $id; |
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| 222 | return $new; |
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| 223 | } |
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| 224 | |||
| 225 | /** |
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| 226 | * Add one or more CSS classes to the hint tag. |
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| 227 | * |
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| 228 | * @param string|null ...$class One or many CSS classes. |
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| 229 | */ |
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| 230 | final public function hintClass(?string ...$class): static |
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| 231 | { |
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| 232 | $new = clone $this; |
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| 233 | Html::addCssClass( |
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| 234 | $new->hintAttributes, |
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| 235 | array_filter($class, static fn ($c) => $c !== null), |
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| 236 | ); |
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| 237 | return $new; |
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| 238 | } |
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| 239 | |||
| 240 | /** |
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| 241 | * Replace hint tag CSS classes with a new set of classes. |
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| 242 | * |
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| 243 | * @param string|null ...$class One or many CSS classes. |
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| 244 | */ |
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| 245 | final public function replaceHintClass(?string ...$class): static |
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| 246 | { |
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| 247 | $new = clone $this; |
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| 248 | $new->hintAttributes['class'] = array_filter($class, static fn ($c) => $c !== null); |
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| 249 | $new->replaceHintClass = true; |
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| 250 | return $new; |
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| 251 | } |
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| 252 | |||
| 253 | final public function hint(?string $content): static |
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| 254 | { |
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| 255 | $new = clone $this; |
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| 256 | $new->hintConfig['content()'] = [$content]; |
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| 257 | return $new; |
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| 258 | } |
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| 259 | |||
| 260 | final public function errorConfig(array $config): static |
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| 261 | { |
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| 262 | $new = clone $this; |
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| 263 | $new->errorConfig = $config; |
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| 264 | return $new; |
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| 265 | } |
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| 266 | |||
| 267 | final public function errorAttributes(array $attributes): static |
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| 268 | { |
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| 269 | $new = clone $this; |
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| 270 | $new->errorAttributes = array_merge($new->errorAttributes, $attributes); |
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| 271 | return $new; |
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| 272 | } |
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| 273 | |||
| 274 | final public function replaceErrorAttributes(array $attributes): static |
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| 275 | { |
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| 276 | $new = clone $this; |
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| 277 | $new->errorAttributes = $attributes; |
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| 278 | $new->replaceErrorAttributes = true; |
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| 279 | return $new; |
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| 280 | } |
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| 281 | |||
| 282 | /** |
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| 283 | * Set error tag ID. |
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| 284 | * |
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| 285 | * @param string|null $id Error tag ID. |
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| 286 | */ |
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| 287 | final public function errorId(?string $id): static |
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| 292 | } |
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| 293 | |||
| 294 | /** |
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| 295 | * Add one or more CSS classes to the error tag. |
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| 296 | * |
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| 297 | * @param string|null ...$class One or many CSS classes. |
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| 298 | */ |
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| 299 | final public function errorClass(?string ...$class): static |
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| 300 | { |
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| 301 | $new = clone $this; |
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| 302 | Html::addCssClass( |
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| 303 | $new->errorAttributes, |
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| 304 | array_filter($class, static fn ($c) => $c !== null), |
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| 305 | ); |
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| 306 | return $new; |
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| 307 | } |
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| 308 | |||
| 309 | /** |
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| 310 | * Replace error tag CSS classes with a new set of classes. |
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| 311 | * |
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| 312 | * @param string|null ...$class One or many CSS classes. |
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| 313 | */ |
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| 314 | final public function replaceErrorClass(?string ...$class): static |
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| 315 | { |
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| 316 | $new = clone $this; |
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| 317 | $new->errorAttributes['class'] = array_filter($class, static fn ($c) => $c !== null); |
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| 318 | $new->replaceErrorClass = true; |
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| 319 | return $new; |
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| 320 | } |
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| 321 | |||
| 322 | final public function error(?string $message): static |
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| 323 | { |
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| 324 | $new = clone $this; |
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| 325 | $new->errorConfig['message()'] = [$message]; |
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| 326 | return $new; |
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| 327 | } |
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| 328 | |||
| 329 | protected function shouldHideLabel(): bool |
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| 330 | { |
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| 331 | return false; |
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| 332 | } |
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| 333 | |||
| 334 | protected function generateInput(): string |
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| 335 | { |
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| 336 | return ''; |
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| 337 | } |
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| 338 | |||
| 339 | protected function generateBeginInput(): string |
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| 340 | { |
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| 341 | return ''; |
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| 342 | } |
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| 343 | |||
| 344 | protected function generateEndInput(): string |
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| 345 | { |
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| 346 | return ''; |
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| 347 | } |
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| 348 | |||
| 349 | protected function renderLabel(Label $label): string |
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| 350 | { |
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| 351 | return $label->render(); |
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| 352 | } |
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| 353 | |||
| 354 | protected function renderHint(Hint $hint): string |
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| 355 | { |
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| 356 | return $hint->render(); |
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| 357 | } |
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| 358 | |||
| 359 | protected function renderError(Error $error): string |
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| 360 | { |
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| 361 | return $error->render(); |
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| 362 | } |
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| 363 | |||
| 364 | final protected function generateContent(): ?string |
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| 365 | { |
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| 366 | $parts = [ |
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| 367 | '{input}' => $this->generateInput(), |
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| 368 | '{label}' => ($this->hideLabel ?? $this->shouldHideLabel()) ? '' : $this->generateLabel(), |
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| 369 | '{hint}' => $this->generateHint(), |
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| 370 | '{error}' => $this->generateError(), |
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| 371 | ]; |
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| 372 | |||
| 373 | return $this->makeContent($this->template, $parts); |
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| 374 | } |
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| 375 | |||
| 376 | final protected function generateBeginContent(): string |
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| 377 | { |
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| 378 | $parts = [ |
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| 379 | '{input}' => $this->generateBeginInput(), |
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| 380 | '{label}' => ($this->hideLabel ?? $this->shouldHideLabel()) ? '' : $this->generateLabel(), |
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| 381 | '{hint}' => $this->generateHint(), |
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| 382 | '{error}' => $this->generateError(), |
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| 383 | ]; |
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| 384 | |||
| 385 | return $this->makeContent($this->templateBegin, $parts); |
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| 386 | } |
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| 387 | |||
| 388 | final protected function generateEndContent(): string |
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| 389 | { |
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| 390 | $parts = [ |
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| 391 | '{input}' => $this->generateEndInput(), |
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| 392 | '{label}' => ($this->hideLabel ?? $this->shouldHideLabel()) ? '' : $this->generateLabel(), |
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| 393 | '{hint}' => $this->generateHint(), |
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| 394 | '{error}' => $this->generateError(), |
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| 395 | ]; |
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| 396 | |||
| 397 | return $this->makeContent($this->templateEnd, $parts); |
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| 398 | } |
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| 399 | |||
| 400 | private function makeContent(string $template, array $parts): string |
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| 401 | { |
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| 402 | if (!empty($this->extraTokens)) { |
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| 403 | $parts += $this->extraTokens; |
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| 404 | } |
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| 405 | |||
| 406 | return preg_replace('/^\h*\v+/m', '', trim(strtr($template, $parts))); |
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| 407 | } |
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| 408 | |||
| 409 | private function generateLabel(): string |
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| 433 | } |
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| 434 | |||
| 435 | private function generateHint(): string |
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| 436 | { |
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| 437 | $hint = Hint::widget($this->hintConfig); |
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| 438 | |||
| 439 | $hintAttributes = $this->hintAttributes; |
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| 440 | if (!empty($hintAttributes)) { |
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| 441 | if ($this->replaceHintAttributes) { |
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| 442 | $hint = $hint->replaceAttributes($hintAttributes); |
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| 443 | } else { |
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| 444 | /** @var string|string[]|null $class */ |
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| 445 | $class = $this->hintAttributes['class'] ?? null; |
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| 446 | unset($hintAttributes['class']); |
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| 447 | |||
| 448 | $hint = $hint->attributes($hintAttributes); |
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| 449 | |||
| 450 | if ($this->replaceHintClass) { |
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| 451 | $hint = is_array($class) ? $hint->replaceClass(...$class) : $hint->replaceClass($class); |
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| 452 | } elseif ($class !== null) { |
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| 453 | $hint = is_array($class) ? $hint->class(...$class) : $hint->class($class); |
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| 454 | } |
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| 455 | } |
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| 456 | } |
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| 457 | |||
| 458 | return $this->renderHint($hint); |
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| 459 | } |
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| 460 | |||
| 461 | private function generateError(): string |
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| 485 | } |
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| 486 | |||
| 487 | /** |
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| 488 | * @psalm-assert non-empty-string $token |
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| 489 | */ |
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| 490 | private function validateToken(string $token): void |
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| 491 | { |
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| 492 | if ($token === '') { |
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| 493 | throw new InvalidArgumentException('Token must be non-empty string.'); |
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| 494 | } |
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| 495 | |||
| 496 | if (in_array($token, self::BUILTIN_TOKENS, true)) { |
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| 497 | throw new InvalidArgumentException( |
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| 498 | sprintf( |
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| 499 | 'Token name "%s" is built-in.', |
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| 500 | $token, |
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| 501 | ) |
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| 502 | ); |
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| 503 | } |
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| 504 | } |
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| 505 | } |
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| 506 |