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Direktori : /home2/selectio/public_html/bharath/a1tex.in/vendor/symfony/dom-crawler/ |
Current File : /home2/selectio/public_html/bharath/a1tex.in/vendor/symfony/dom-crawler/FormFieldRegistry.php |
<?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\DomCrawler; use Symfony\Component\DomCrawler\Field\FormField; /** * This is an internal class that must not be used directly. * * @internal */ class FormFieldRegistry { private $fields = []; private $base = ''; /** * Adds a field to the registry. */ public function add(FormField $field) { $segments = $this->getSegments($field->getName()); $target = &$this->fields; while ($segments) { if (!\is_array($target)) { $target = []; } $path = array_shift($segments); if ('' === $path) { $target = &$target[]; } else { $target = &$target[$path]; } } $target = $field; } /** * Removes a field based on the fully qualified name and its children from the registry. */ public function remove(string $name) { $segments = $this->getSegments($name); $target = &$this->fields; while (\count($segments) > 1) { $path = array_shift($segments); if (!\is_array($target) || !\array_key_exists($path, $target)) { return; } $target = &$target[$path]; } unset($target[array_shift($segments)]); } /** * Returns the value of the field based on the fully qualified name and its children. * * @return FormField|FormField[]|FormField[][] * * @throws \InvalidArgumentException if the field does not exist */ public function &get(string $name) { $segments = $this->getSegments($name); $target = &$this->fields; while ($segments) { $path = array_shift($segments); if (!\is_array($target) || !\array_key_exists($path, $target)) { throw new \InvalidArgumentException(sprintf('Unreachable field "%s".', $path)); } $target = &$target[$path]; } return $target; } /** * Tests whether the form has the given field based on the fully qualified name. */ public function has(string $name): bool { try { $this->get($name); return true; } catch (\InvalidArgumentException $e) { return false; } } /** * Set the value of a field based on the fully qualified name and its children. * * @param mixed $value The value * * @throws \InvalidArgumentException if the field does not exist */ public function set(string $name, $value) { $target = &$this->get($name); if ((!\is_array($value) && $target instanceof Field\FormField) || $target instanceof Field\ChoiceFormField) { $target->setValue($value); } elseif (\is_array($value)) { $registry = new static(); $registry->base = $name; $registry->fields = $value; foreach ($registry->all() as $k => $v) { $this->set($k, $v); } } else { throw new \InvalidArgumentException(sprintf('Cannot set value on a compound field "%s".', $name)); } } /** * Returns the list of field with their value. * * @return FormField[] The list of fields as [string] Fully qualified name => (mixed) value) */ public function all(): array { return $this->walk($this->fields, $this->base); } /** * Transforms a PHP array in a list of fully qualified name / value. */ private function walk(array $array, ?string $base = '', array &$output = []): array { foreach ($array as $k => $v) { $path = empty($base) ? $k : sprintf('%s[%s]', $base, $k); if (\is_array($v)) { $this->walk($v, $path, $output); } else { $output[$path] = $v; } } return $output; } /** * Splits a field name into segments as a web browser would do. * * getSegments('base[foo][3][]') = ['base', 'foo, '3', '']; * * @return string[] */ private function getSegments(string $name): array { if (preg_match('/^(?P<base>[^[]+)(?P<extra>(\[.*)|$)/', $name, $m)) { $segments = [$m['base']]; while (!empty($m['extra'])) { $extra = $m['extra']; if (preg_match('/^\[(?P<segment>.*?)\](?P<extra>.*)$/', $extra, $m)) { $segments[] = $m['segment']; } else { $segments[] = $extra; } } return $segments; } return [$name]; } }