Professor6T9 Web SheLL

Windows NT WEB-23 10.0 build 17763 (Windows Server 2016) i586
Microsoft-IIS/10.0
103.118.16.173

Form.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\ChoiceFormField;
use Symfony\Component\DomCrawler\Field\FormField;

/**
 * Form represents an HTML form.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Form extends Link implements \ArrayAccess
{
    /**
     * @var \DOMElement
     */
    private $button;

/**
     * @var FormFieldRegistry
     */
    private $fields;

/**
     * @var string
     */
    private $baseHref;

/**
     * Constructor.
     *
     * @param \DOMElement $node       A \DOMElement instance
     * @param string      $currentUri The URI of the page where the form is embedded
     * @param string      $method     The method to use for the link (if null, it defaults to the method defined by the form)
     * @param string      $baseHref   The URI of the <base> used for relative links, but not for empty action
     *
     * @throws \LogicException if the node is not a button inside a form tag
     */
    public function __construct(\DOMElement $node, $currentUri, $method = null, $baseHref = null)
    {
        parent::__construct($node, $currentUri, $method);
        $this->baseHref = $baseHref;

$this->initialize();
    }

/**
     * Gets the form node associated with this form.
     *
     * @return \DOMElement A \DOMElement instance
     */
    public function getFormNode()
    {
        return $this->node;
    }

/**
     * Sets the value of the fields.
     *
     * @param array $values An array of field values
     *
     * @return Form
     */
    public function setValues(array $values)
    {
        foreach ($values as $name => $value) {
            $this->fields->set($name, $value);
        }

return $this;
    }

/**
     * Gets the field values.
     *
     * The returned array does not include file fields (@see getFiles).
     *
     * @return array An array of field values.
     */
    public function getValues()
    {
        $values = array();
        foreach ($this->fields->all() as $name => $field) {
            if ($field->isDisabled()) {
                continue;
            }

if (!$field instanceof Field\FileFormField && $field->hasValue()) {
                $values[$name] = $field->getValue();
            }
        }

return $values;
    }

/**
     * Gets the file field values.
     *
     * @return array An array of file field values.
     */
    public function getFiles()
    {
        if (!in_array($this->getMethod(), array('POST', 'PUT', 'DELETE', 'PATCH'))) {
            return array();
        }

$files = array();

foreach ($this->fields->all() as $name => $field) {
            if ($field->isDisabled()) {
                continue;
            }

if ($field instanceof Field\FileFormField) {
                $files[$name] = $field->getValue();
            }
        }

return $files;
    }

/**
     * Gets the field values as PHP.
     *
     * This method converts fields with the array notation
     * (like foo[bar] to arrays) like PHP does.
     *
     * @return array An array of field values.
     */
    public function getPhpValues()
    {
        $values = array();
        foreach ($this->getValues() as $name => $value) {
            $qs = http_build_query(array($name => $value), '', '&');
            if (!empty($qs)) {
                parse_str($qs, $expandedValue);
                $varName = substr($name, 0, strlen(key($expandedValue)));
                $values = array_replace_recursive($values, array($varName => current($expandedValue)));
            }
        }

return $values;
    }

/**
     * Gets the file field values as PHP.
     *
     * This method converts fields with the array notation
     * (like foo[bar] to arrays) like PHP does.
     *
     * @return array An array of field values.
     */
    public function getPhpFiles()
    {
        $values = array();
        foreach ($this->getFiles() as $name => $value) {
            $qs = http_build_query(array($name => $value), '', '&');
            if (!empty($qs)) {
                parse_str($qs, $expandedValue);
                $varName = substr($name, 0, strlen(key($expandedValue)));
                $values = array_replace_recursive($values, array($varName => current($expandedValue)));
            }
        }

return $values;
    }

/**
     * Gets the URI of the form.
     *
     * The returned URI is not the same as the form "action" attribute.
     * This method merges the value if the method is GET to mimics
     * browser behavior.
     *
     * @return string The URI
     */
    public function getUri()
    {
        $uri = parent::getUri();

if (!in_array($this->getMethod(), array('POST', 'PUT', 'DELETE', 'PATCH'))) {
            $query = parse_url($uri, PHP_URL_QUERY);
            $currentParameters = array();
            if ($query) {
                parse_str($query, $currentParameters);
            }

$queryString = http_build_query(array_merge($currentParameters, $this->getValues()), null, '&');

$pos = strpos($uri, '?');
            $base = false === $pos ? $uri : substr($uri, 0, $pos);
            $uri = rtrim($base.'?'.$queryString, '?');
        }

return $uri;
    }

protected function getRawUri()
    {
        return $this->node->getAttribute('action');
    }

/**
     * Gets the form method.
     *
     * If no method is defined in the form, GET is returned.
     *
     * @return string The method
     */
    public function getMethod()
    {
        if (null !== $this->method) {
            return $this->method;
        }

return $this->node->getAttribute('method') ? strtoupper($this->node->getAttribute('method')) : 'GET';
    }

/**
     * Returns true if the named field exists.
     *
     * @param string $name The field name
     *
     * @return bool true if the field exists, false otherwise
     */
    public function has($name)
    {
        return $this->fields->has($name);
    }

/**
     * Removes a field from the form.
     *
     * @param string $name The field name
     *
     * @throws \InvalidArgumentException when the name is malformed
     */
    public function remove($name)
    {
        $this->fields->remove($name);
    }

/**
     * Gets a named field.
     *
     * @param string $name The field name
     *
     * @return FormField The field instance
     *
     * @throws \InvalidArgumentException When field is not present in this form
     */
    public function get($name)
    {
        return $this->fields->get($name);
    }

/**
     * Sets a named field.
     *
     * @param FormField $field The field
     */
    public function set(FormField $field)
    {
        $this->fields->add($field);
    }

/**
     * Gets all fields.
     *
     * @return FormField[] An array of fields
     */
    public function all()
    {
        return $this->fields->all();
    }

/**
     * Returns true if the named field exists.
     *
     * @param string $name The field name
     *
     * @return bool true if the field exists, false otherwise
     */
    public function offsetExists($name)
    {
        return $this->has($name);
    }

/**
     * Gets the value of a field.
     *
     * @param string $name The field name
     *
     * @return FormField The associated Field instance
     *
     * @throws \InvalidArgumentException if the field does not exist
     */
    public function offsetGet($name)
    {
        return $this->fields->get($name);
    }

/**
     * Sets the value of a field.
     *
     * @param string       $name  The field name
     * @param string|array $value The value of the field
     *
     * @throws \InvalidArgumentException if the field does not exist
     */
    public function offsetSet($name, $value)
    {
        $this->fields->set($name, $value);
    }

/**
     * Removes a field from the form.
     *
     * @param string $name The field name
     */
    public function offsetUnset($name)
    {
        $this->fields->remove($name);
    }

/**
     * Disables validation.
     *
     * @return self
     */
    public function disableValidation()
    {
        foreach ($this->fields->all() as $field) {
            if ($field instanceof Field\ChoiceFormField) {
                $field->disableValidation();
            }
        }

return $this;
    }

/**
     * Sets the node for the form.
     *
     * Expects a 'submit' button \DOMElement and finds the corresponding form element, or the form element itself.
     *
     * @param \DOMElement $node A \DOMElement instance
     *
     * @throws \LogicException If given node is not a button or input or does not have a form ancestor
     */
    protected function setNode(\DOMElement $node)
    {
        $this->button = $node;
        if ('button' === $node->nodeName || ('input' === $node->nodeName && in_array(strtolower($node->getAttribute('type')), array('submit', 'button', 'image')))) {
            if ($node->hasAttribute('form')) {
                // if the node has the HTML5-compliant 'form' attribute, use it
                $formId = $node->getAttribute('form');
                $form = $node->ownerDocument->getElementById($formId);
                if (null === $form) {
                    throw new \LogicException(sprintf('The selected node has an invalid form attribute (%s).', $formId));
                }
                $this->node = $form;

return;
            }
            // we loop until we find a form ancestor
            do {
                if (null === $node = $node->parentNode) {
                    throw new \LogicException('The selected node does not have a form ancestor.');
                }
            } while ('form' !== $node->nodeName);
        } elseif ('form' !== $node->nodeName) {
            throw new \LogicException(sprintf('Unable to submit on a "%s" tag.', $node->nodeName));
        }

$this->node = $node;
    }

/**
     * Adds form elements related to this form.
     *
     * Creates an internal copy of the submitted 'button' element and
     * the form node or the entire document depending on whether we need
     * to find non-descendant elements through HTML5 'form' attribute.
     */
    private function initialize()
    {
        $this->fields = new FormFieldRegistry();

$xpath = new \DOMXPath($this->node->ownerDocument);

// add submitted button if it has a valid name
        if ('form' !== $this->button->nodeName && $this->button->hasAttribute('name') && $this->button->getAttribute('name')) {
            if ('input' == $this->button->nodeName && 'image' == strtolower($this->button->getAttribute('type'))) {
                $name = $this->button->getAttribute('name');
                $this->button->setAttribute('value', '0');

// temporarily change the name of the input node for the x coordinate
                $this->button->setAttribute('name', $name.'.x');
                $this->set(new Field\InputFormField($this->button));

// temporarily change the name of the input node for the y coordinate
                $this->button->setAttribute('name', $name.'.y');
                $this->set(new Field\InputFormField($this->button));

// restore the original name of the input node
                $this->button->setAttribute('name', $name);
            } else {
                $this->set(new Field\InputFormField($this->button));
            }
        }

// find form elements corresponding to the current form
        if ($this->node->hasAttribute('id')) {
            // corresponding elements are either descendants or have a matching HTML5 form attribute
            $formId = Crawler::xpathLiteral($this->node->getAttribute('id'));

$fieldNodes = $xpath->query(sprintf('descendant::input[@form=%s] | descendant::button[@form=%s] | descendant::textarea[@form=%s] | descendant::select[@form=%s] | //form[@id=%s]//input[not(@form)] | //form[@id=%s]//button[not(@form)] | //form[@id=%s]//textarea[not(@form)] | //form[@id=%s]//select[not(@form)]', $formId, $formId, $formId, $formId, $formId, $formId, $formId, $formId));
            foreach ($fieldNodes as $node) {
                $this->addField($node);
            }
        } else {
            // do the xpath query with $this->node as the context node, to only find descendant elements
            // however, descendant elements with form attribute are not part of this form
            $fieldNodes = $xpath->query('descendant::input[not(@form)] | descendant::button[not(@form)] | descendant::textarea[not(@form)] | descendant::select[not(@form)]', $this->node);
            foreach ($fieldNodes as $node) {
                $this->addField($node);
            }
        }

if ($this->baseHref && '' !== $this->node->getAttribute('action')) {
            $this->currentUri = $this->baseHref;
        }
    }

private function addField(\DOMElement $node)
    {
        if (!$node->hasAttribute('name') || !$node->getAttribute('name')) {
            return;
        }

$nodeName = $node->nodeName;
        if ('select' == $nodeName || 'input' == $nodeName && 'checkbox' == strtolower($node->getAttribute('type'))) {
            $this->set(new Field\ChoiceFormField($node));
        } elseif ('input' == $nodeName && 'radio' == strtolower($node->getAttribute('type'))) {
            // there may be other fields with the same name that are no choice
            // fields already registered (see https://github.com/symfony/symfony/issues/11689)
            if ($this->has($node->getAttribute('name')) && $this->get($node->getAttribute('name')) instanceof ChoiceFormField) {
                $this->get($node->getAttribute('name'))->addChoice($node);
            } else {
                $this->set(new Field\ChoiceFormField($node));
            }
        } elseif ('input' == $nodeName && 'file' == strtolower($node->getAttribute('type'))) {
            $this->set(new Field\FileFormField($node));
        } elseif ('input' == $nodeName && !in_array(strtolower($node->getAttribute('type')), array('submit', 'button', 'image'))) {
            $this->set(new Field\InputFormField($node));
        } elseif ('textarea' == $nodeName) {
            $this->set(new Field\TextareaFormField($node));
        }
    }
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0777	2020-04-18 04:04:58
..	dir	-	0/0	0777	2020-04-18 04:04:48
Field	dir	-	0/0	0777	2020-04-18 04:05:14
.gitignore	text/plain	34 B	0/0	0666	2015-11-19 07:32:15
CHANGELOG.md	text/plain	1.59 KB	0/0	0666	2015-11-19 07:32:15
Crawler.php	text/x-php	30.75 KB	0/0	0666	2015-11-19 07:32:15
Form.php	text/x-php	14.32 KB	0/0	0666	2015-11-19 07:32:15
FormFieldRegistry.php	text/x-php	6.3 KB	0/0	0666	2015-11-19 07:32:15
LICENSE	text/plain	1.04 KB	0/0	0666	2015-11-19 07:32:15
Link.php	text/x-php	5.25 KB	0/0	0666	2015-11-19 07:32:15
README.md	text/html	854 B	0/0	0666	2015-11-19 07:32:15
composer.json	application/json	826 B	0/0	0666	2015-11-19 07:32:15
phpunit.xml.dist	text/xml	830 B	0/0	0666	2015-11-19 07:32:15

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