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<?php |
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namespace Symfony\Component\Console\Question; |
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use Symfony\Component\Console\Exception\InvalidArgumentException; |
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class ChoiceQuestion extends Question |
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{ |
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private $choices; |
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private $multiselect = false; |
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private $prompt = ' > '; |
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private $errorMessage = 'Value "%s" is invalid'; |
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public function __construct(string $question, array $choices, $default = null) |
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{ |
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if (!$choices) { |
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throw new \LogicException('Choice question must have at least 1 choice available.'); |
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} |
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parent::__construct($question, $default); |
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$this->choices = $choices; |
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$this->setValidator($this->getDefaultValidator()); |
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$this->setAutocompleterValues($choices); |
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} |
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public function getChoices() |
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{ |
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return $this->choices; |
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} |
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public function setMultiselect(bool $multiselect) |
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{ |
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$this->multiselect = $multiselect; |
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$this->setValidator($this->getDefaultValidator()); |
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return $this; |
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} |
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public function isMultiselect() |
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{ |
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return $this->multiselect; |
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} |
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public function getPrompt() |
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{ |
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return $this->prompt; |
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} |
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public function setPrompt(string $prompt) |
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{ |
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$this->prompt = $prompt; |
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return $this; |
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} |
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public function setErrorMessage(string $errorMessage) |
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{ |
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$this->errorMessage = $errorMessage; |
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$this->setValidator($this->getDefaultValidator()); |
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return $this; |
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} |
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private function getDefaultValidator(): callable |
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{ |
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$choices = $this->choices; |
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$errorMessage = $this->errorMessage; |
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$multiselect = $this->multiselect; |
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$isAssoc = $this->isAssoc($choices); |
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return function ($selected) use ($choices, $errorMessage, $multiselect, $isAssoc) { |
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if ($multiselect) { |
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if (!preg_match('/^[^,]+(?:,[^,]+)*$/', (string) $selected, $matches)) { |
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throw new InvalidArgumentException(sprintf($errorMessage, $selected)); |
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} |
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$selectedChoices = explode(',', (string) $selected); |
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} else { |
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$selectedChoices = [$selected]; |
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} |
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if ($this->isTrimmable()) { |
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foreach ($selectedChoices as $k => $v) { |
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$selectedChoices[$k] = trim((string) $v); |
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} |
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} |
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$multiselectChoices = []; |
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foreach ($selectedChoices as $value) { |
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$results = []; |
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foreach ($choices as $key => $choice) { |
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if ($choice === $value) { |
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$results[] = $key; |
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} |
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} |
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if (\count($results) > 1) { |
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throw new InvalidArgumentException(sprintf('The provided answer is ambiguous. Value should be one of "%s".', implode('" or "', $results))); |
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} |
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$result = array_search($value, $choices); |
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if (!$isAssoc) { |
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if (false !== $result) { |
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$result = $choices[$result]; |
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} elseif (isset($choices[$value])) { |
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$result = $choices[$value]; |
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} |
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} elseif (false === $result && isset($choices[$value])) { |
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$result = $value; |
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} |
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if (false === $result) { |
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throw new InvalidArgumentException(sprintf($errorMessage, $value)); |
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} |
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$multiselectChoices[] = $isAssoc ? (string) $result : $result; |
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} |
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if ($multiselect) { |
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return $multiselectChoices; |
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} |
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return current($multiselectChoices); |
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}; |
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} |
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} |
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