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ConfirmationQuestion.php 0000644 00000003041 15152066460 0011440 0 ustar 00 <?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Console\Question;
/**
* Represents a yes/no question.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ConfirmationQuestion extends Question
{
private string $trueAnswerRegex;
/**
* @param string $question The question to ask to the user
* @param bool $default The default answer to return, true or false
* @param string $trueAnswerRegex A regex to match the "yes" answer
*/
public function __construct(string $question, bool $default = true, string $trueAnswerRegex = '/^y/i')
{
parent::__construct($question, $default);
$this->trueAnswerRegex = $trueAnswerRegex;
$this->setNormalizer($this->getDefaultNormalizer());
}
/**
* Returns the default answer normalizer.
*/
private function getDefaultNormalizer(): callable
{
$default = $this->getDefault();
$regex = $this->trueAnswerRegex;
return function ($answer) use ($default, $regex) {
if (\is_bool($answer)) {
return $answer;
}
$answerIsTrue = (bool) preg_match($regex, $answer);
if (false === $default) {
return $answer && $answerIsTrue;
}
return '' === $answer || $answerIsTrue;
};
}
}
ChoiceQuestion.php 0000644 00000011711 15152066460 0010205 0 ustar 00 <?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Console\Question;
use Symfony\Component\Console\Exception\InvalidArgumentException;
/**
* Represents a choice question.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ChoiceQuestion extends Question
{
private array $choices;
private bool $multiselect = false;
private string $prompt = ' > ';
private string $errorMessage = 'Value "%s" is invalid';
/**
* @param string $question The question to ask to the user
* @param array $choices The list of available choices
* @param mixed $default The default answer to return
*/
public function __construct(string $question, array $choices, mixed $default = null)
{
if (!$choices) {
throw new \LogicException('Choice question must have at least 1 choice available.');
}
parent::__construct($question, $default);
$this->choices = $choices;
$this->setValidator($this->getDefaultValidator());
$this->setAutocompleterValues($choices);
}
/**
* Returns available choices.
*/
public function getChoices(): array
{
return $this->choices;
}
/**
* Sets multiselect option.
*
* When multiselect is set to true, multiple choices can be answered.
*
* @return $this
*/
public function setMultiselect(bool $multiselect): static
{
$this->multiselect = $multiselect;
$this->setValidator($this->getDefaultValidator());
return $this;
}
/**
* Returns whether the choices are multiselect.
*/
public function isMultiselect(): bool
{
return $this->multiselect;
}
/**
* Gets the prompt for choices.
*/
public function getPrompt(): string
{
return $this->prompt;
}
/**
* Sets the prompt for choices.
*
* @return $this
*/
public function setPrompt(string $prompt): static
{
$this->prompt = $prompt;
return $this;
}
/**
* Sets the error message for invalid values.
*
* The error message has a string placeholder (%s) for the invalid value.
*
* @return $this
*/
public function setErrorMessage(string $errorMessage): static
{
$this->errorMessage = $errorMessage;
$this->setValidator($this->getDefaultValidator());
return $this;
}
private function getDefaultValidator(): callable
{
$choices = $this->choices;
$errorMessage = $this->errorMessage;
$multiselect = $this->multiselect;
$isAssoc = $this->isAssoc($choices);
return function ($selected) use ($choices, $errorMessage, $multiselect, $isAssoc) {
if ($multiselect) {
// Check for a separated comma values
if (!preg_match('/^[^,]+(?:,[^,]+)*$/', (string) $selected, $matches)) {
throw new InvalidArgumentException(sprintf($errorMessage, $selected));
}
$selectedChoices = explode(',', (string) $selected);
} else {
$selectedChoices = [$selected];
}
if ($this->isTrimmable()) {
foreach ($selectedChoices as $k => $v) {
$selectedChoices[$k] = trim((string) $v);
}
}
$multiselectChoices = [];
foreach ($selectedChoices as $value) {
$results = [];
foreach ($choices as $key => $choice) {
if ($choice === $value) {
$results[] = $key;
}
}
if (\count($results) > 1) {
throw new InvalidArgumentException(sprintf('The provided answer is ambiguous. Value should be one of "%s".', implode('" or "', $results)));
}
$result = array_search($value, $choices);
if (!$isAssoc) {
if (false !== $result) {
$result = $choices[$result];
} elseif (isset($choices[$value])) {
$result = $choices[$value];
}
} elseif (false === $result && isset($choices[$value])) {
$result = $value;
}
if (false === $result) {
throw new InvalidArgumentException(sprintf($errorMessage, $value));
}
// For associative choices, consistently return the key as string:
$multiselectChoices[] = $isAssoc ? (string) $result : $result;
}
if ($multiselect) {
return $multiselectChoices;
}
return current($multiselectChoices);
};
}
}
Question.php 0000644 00000016430 15152066460 0007075 0 ustar 00 <?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Console\Question;
use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\LogicException;
/**
* Represents a Question.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Question
{
private string $question;
private ?int $attempts = null;
private bool $hidden = false;
private bool $hiddenFallback = true;
private ?\Closure $autocompleterCallback = null;
private ?\Closure $validator = null;
private string|int|bool|null|float $default;
private ?\Closure $normalizer = null;
private bool $trimmable = true;
private bool $multiline = false;
/**
* @param string $question The question to ask to the user
* @param string|bool|int|float|null $default The default answer to return if the user enters nothing
*/
public function __construct(string $question, string|bool|int|float|null $default = null)
{
$this->question = $question;
$this->default = $default;
}
/**
* Returns the question.
*/
public function getQuestion(): string
{
return $this->question;
}
/**
* Returns the default answer.
*/
public function getDefault(): string|bool|int|float|null
{
return $this->default;
}
/**
* Returns whether the user response accepts newline characters.
*/
public function isMultiline(): bool
{
return $this->multiline;
}
/**
* Sets whether the user response should accept newline characters.
*
* @return $this
*/
public function setMultiline(bool $multiline): static
{
$this->multiline = $multiline;
return $this;
}
/**
* Returns whether the user response must be hidden.
*/
public function isHidden(): bool
{
return $this->hidden;
}
/**
* Sets whether the user response must be hidden or not.
*
* @return $this
*
* @throws LogicException In case the autocompleter is also used
*/
public function setHidden(bool $hidden): static
{
if ($this->autocompleterCallback) {
throw new LogicException('A hidden question cannot use the autocompleter.');
}
$this->hidden = $hidden;
return $this;
}
/**
* In case the response cannot be hidden, whether to fallback on non-hidden question or not.
*/
public function isHiddenFallback(): bool
{
return $this->hiddenFallback;
}
/**
* Sets whether to fallback on non-hidden question if the response cannot be hidden.
*
* @return $this
*/
public function setHiddenFallback(bool $fallback): static
{
$this->hiddenFallback = $fallback;
return $this;
}
/**
* Gets values for the autocompleter.
*/
public function getAutocompleterValues(): ?iterable
{
$callback = $this->getAutocompleterCallback();
return $callback ? $callback('') : null;
}
/**
* Sets values for the autocompleter.
*
* @return $this
*
* @throws LogicException
*/
public function setAutocompleterValues(?iterable $values): static
{
if (\is_array($values)) {
$values = $this->isAssoc($values) ? array_merge(array_keys($values), array_values($values)) : array_values($values);
$callback = static fn () => $values;
} elseif ($values instanceof \Traversable) {
$callback = static function () use ($values) {
static $valueCache;
return $valueCache ??= iterator_to_array($values, false);
};
} else {
$callback = null;
}
return $this->setAutocompleterCallback($callback);
}
/**
* Gets the callback function used for the autocompleter.
*/
public function getAutocompleterCallback(): ?callable
{
return $this->autocompleterCallback;
}
/**
* Sets the callback function used for the autocompleter.
*
* The callback is passed the user input as argument and should return an iterable of corresponding suggestions.
*
* @return $this
*/
public function setAutocompleterCallback(?callable $callback = null): static
{
if (1 > \func_num_args()) {
trigger_deprecation('symfony/console', '6.2', 'Calling "%s()" without any arguments is deprecated, pass null explicitly instead.', __METHOD__);
}
if ($this->hidden && null !== $callback) {
throw new LogicException('A hidden question cannot use the autocompleter.');
}
$this->autocompleterCallback = null === $callback ? null : $callback(...);
return $this;
}
/**
* Sets a validator for the question.
*
* @return $this
*/
public function setValidator(?callable $validator = null): static
{
if (1 > \func_num_args()) {
trigger_deprecation('symfony/console', '6.2', 'Calling "%s()" without any arguments is deprecated, pass null explicitly instead.', __METHOD__);
}
$this->validator = null === $validator ? null : $validator(...);
return $this;
}
/**
* Gets the validator for the question.
*/
public function getValidator(): ?callable
{
return $this->validator;
}
/**
* Sets the maximum number of attempts.
*
* Null means an unlimited number of attempts.
*
* @return $this
*
* @throws InvalidArgumentException in case the number of attempts is invalid
*/
public function setMaxAttempts(?int $attempts): static
{
if (null !== $attempts && $attempts < 1) {
throw new InvalidArgumentException('Maximum number of attempts must be a positive value.');
}
$this->attempts = $attempts;
return $this;
}
/**
* Gets the maximum number of attempts.
*
* Null means an unlimited number of attempts.
*/
public function getMaxAttempts(): ?int
{
return $this->attempts;
}
/**
* Sets a normalizer for the response.
*
* The normalizer can be a callable (a string), a closure or a class implementing __invoke.
*
* @return $this
*/
public function setNormalizer(callable $normalizer): static
{
$this->normalizer = $normalizer(...);
return $this;
}
/**
* Gets the normalizer for the response.
*
* The normalizer can ba a callable (a string), a closure or a class implementing __invoke.
*/
public function getNormalizer(): ?callable
{
return $this->normalizer;
}
/**
* @return bool
*/
protected function isAssoc(array $array)
{
return (bool) \count(array_filter(array_keys($array), 'is_string'));
}
public function isTrimmable(): bool
{
return $this->trimmable;
}
/**
* @return $this
*/
public function setTrimmable(bool $trimmable): static
{
$this->trimmable = $trimmable;
return $this;
}
}
