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-rw-r--r--vendor/symfony/console/Question/ChoiceQuestion.php177
1 files changed, 177 insertions, 0 deletions
diff --git a/vendor/symfony/console/Question/ChoiceQuestion.php b/vendor/symfony/console/Question/ChoiceQuestion.php
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+++ b/vendor/symfony/console/Question/ChoiceQuestion.php
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+<?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 $choices;
+ private $multiselect = false;
+ private $prompt = ' > ';
+ private $errorMessage = 'Value "%s" is invalid';
+
+ /**
+ * Constructor.
+ *
+ * @param string $question The question to ask to the user
+ * @param array $choices The list of available choices
+ * @param mixed $default The default answer to return
+ */
+ public function __construct($question, array $choices, $default = null)
+ {
+ parent::__construct($question, $default);
+
+ $this->choices = $choices;
+ $this->setValidator($this->getDefaultValidator());
+ $this->setAutocompleterValues($choices);
+ }
+
+ /**
+ * Returns available choices.
+ *
+ * @return array
+ */
+ public function getChoices()
+ {
+ return $this->choices;
+ }
+
+ /**
+ * Sets multiselect option.
+ *
+ * When multiselect is set to true, multiple choices can be answered.
+ *
+ * @param bool $multiselect
+ *
+ * @return ChoiceQuestion The current instance
+ */
+ public function setMultiselect($multiselect)
+ {
+ $this->multiselect = $multiselect;
+ $this->setValidator($this->getDefaultValidator());
+
+ return $this;
+ }
+
+ /**
+ * Gets the prompt for choices.
+ *
+ * @return string
+ */
+ public function getPrompt()
+ {
+ return $this->prompt;
+ }
+
+ /**
+ * Sets the prompt for choices.
+ *
+ * @param string $prompt
+ *
+ * @return ChoiceQuestion The current instance
+ */
+ public function setPrompt($prompt)
+ {
+ $this->prompt = $prompt;
+
+ return $this;
+ }
+
+ /**
+ * Sets the error message for invalid values.
+ *
+ * The error message has a string placeholder (%s) for the invalid value.
+ *
+ * @param string $errorMessage
+ *
+ * @return ChoiceQuestion The current instance
+ */
+ public function setErrorMessage($errorMessage)
+ {
+ $this->errorMessage = $errorMessage;
+ $this->setValidator($this->getDefaultValidator());
+
+ return $this;
+ }
+
+ /**
+ * Returns the default answer validator.
+ *
+ * @return callable
+ */
+ private function getDefaultValidator()
+ {
+ $choices = $this->choices;
+ $errorMessage = $this->errorMessage;
+ $multiselect = $this->multiselect;
+ $isAssoc = $this->isAssoc($choices);
+
+ return function ($selected) use ($choices, $errorMessage, $multiselect, $isAssoc) {
+ // Collapse all spaces.
+ $selectedChoices = str_replace(' ', '', $selected);
+
+ if ($multiselect) {
+ // Check for a separated comma values
+ if (!preg_match('/^[a-zA-Z0-9_-]+(?:,[a-zA-Z0-9_-]+)*$/', $selectedChoices, $matches)) {
+ throw new InvalidArgumentException(sprintf($errorMessage, $selected));
+ }
+ $selectedChoices = explode(',', $selectedChoices);
+ } else {
+ $selectedChoices = array($selected);
+ }
+
+ $multiselectChoices = array();
+ foreach ($selectedChoices as $value) {
+ $results = array();
+ foreach ($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));
+ }
+
+ $multiselectChoices[] = (string) $result;
+ }
+
+ if ($multiselect) {
+ return $multiselectChoices;
+ }
+
+ return current($multiselectChoices);
+ };
+ }
+}