Wala shell

Advanced PHP File Manager

Server IP: 127.0.0.1 | PHP Version: 8.3.30 | Domains Hosted: 54

Name	Size	Last Modified	Actions
📁 ..	-	2025-05-25 12:37
📄 Crawler.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\CssSelector\CssSelector; /* * Crawler eases navigation of a list of \DOMNode objects. * * @author Fabien Potencier <fabien@symfony.com> * * @api / class Crawler extends \SplObjectStorage { /* * @var string The current URI or the base href value / protected $uri; /* * @var string The default namespace prefix to be used with XPath and CSS expressions / private $defaultNamespacePrefix = 'default'; /* * @var array A map of manually registered namespaces / private $namespaces = array(); /* * Constructor. * * @param mixed $node A Node to use as the base for the crawling * @param string $uri The current URI or the base href value * * @api / public function __construct($node = null, $uri = null) { $this->uri = $uri; $this->add($node); } /* * Removes all the nodes. * * @api / public function clear() { $this->removeAll($this); } /* * Adds a node to the current list of nodes. * * This method uses the appropriate specialized add() method based on the type of the argument. * * @param \DOMNodeList\|\DOMNode\|array\|string\|null $node A node * * @throws \InvalidArgumentException When node is not the expected type. * * @api / public function add($node) { if ($node instanceof \DOMNodeList) { $this->addNodeList($node); } elseif ($node instanceof \DOMNode) { $this->addNode($node); } elseif (is_array($node)) { $this->addNodes($node); } elseif (is_string($node)) { $this->addContent($node); } elseif (null !== $node) { throw new \InvalidArgumentException(sprintf('Expecting a DOMNodeList or DOMNode instance, an array, a string, or null, but got "%s".', is_object($node) ? get_class($node) : gettype($node))); } } /* * Adds HTML/XML content. * * If the charset is not set via the content type, it is assumed * to be ISO-8859-1, which is the default charset defined by the * HTTP 1.1 specification. * * @param string $content A string to parse as HTML/XML * @param null\|string $type The content type of the string / public function addContent($content, $type = null) { if (empty($type)) { $type = 0 === strpos($content, '<?xml') ? 'application/xml' : 'text/html'; } // DOM only for HTML/XML content if (!preg_match('/(x\|ht)ml/i', $type, $xmlMatches)) { return null; } $charset = null; if (false !== $pos = stripos($type, 'charset=')) { $charset = substr($type, $pos + 8); if (false !== $pos = strpos($charset, ';')) { $charset = substr($charset, 0, $pos); } } if (null === $charset && preg_match('/\<meta[^\>]+charset = ["\']?([a-zA-Z\-0-9]+)/i', $content, $matches)) { $charset = $matches[1]; } if (null === $charset) { $charset = 'ISO-8859-1'; } if ('x' === $xmlMatches[1]) { $this->addXmlContent($content, $charset); } else { $this->addHtmlContent($content, $charset); } } /* * Adds an HTML content to the list of nodes. * * The libxml errors are disabled when the content is parsed. * * If you want to get parsing errors, be sure to enable * internal errors via libxml_use_internal_errors(true) * and then, get the errors via libxml_get_errors(). Be * sure to clear errors with libxml_clear_errors() afterward. * * @param string $content The HTML content * @param string $charset The charset * * @api / public function addHtmlContent($content, $charset = 'UTF-8') { $internalErrors = libxml_use_internal_errors(true); $disableEntities = libxml_disable_entity_loader(true); $dom = new \DOMDocument('1.0', $charset); $dom->validateOnParse = true; if (function_exists('mb_convert_encoding')) { $hasError = false; set_error_handler(function () use (&$hasError) { $hasError = true; }); $tmpContent = @mb_convert_encoding($content, 'HTML-ENTITIES', $charset); restore_error_handler(); if (!$hasError) { $content = $tmpContent; } } if ('' !== trim($content)) { @$dom->loadHTML($content); } libxml_use_internal_errors($internalErrors); libxml_disable_entity_loader($disableEntities); $this->addDocument($dom); $base = $this->filterXPath('descendant-or-self::base')->extract(array('href')); $baseHref = current($base); if (count($base) && !empty($baseHref)) { if ($this->uri) { $linkNode = $dom->createElement('a'); $linkNode->setAttribute('href', $baseHref); $link = new Link($linkNode, $this->uri); $this->uri = $link->getUri(); } else { $this->uri = $baseHref; } } } /* * Adds an XML content to the list of nodes. * * The libxml errors are disabled when the content is parsed. * * If you want to get parsing errors, be sure to enable * internal errors via libxml_use_internal_errors(true) * and then, get the errors via libxml_get_errors(). Be * sure to clear errors with libxml_clear_errors() afterward. * * @param string $content The XML content * @param string $charset The charset * * @api / public function addXmlContent($content, $charset = 'UTF-8') { // remove the default namespace if it's the only namespace to make XPath expressions simpler if (!preg_match('/xmlns:/', $content)) { $content = str_replace('xmlns', 'ns', $content); } $internalErrors = libxml_use_internal_errors(true); $disableEntities = libxml_disable_entity_loader(true); $dom = new \DOMDocument('1.0', $charset); $dom->validateOnParse = true; if ('' !== trim($content)) { @$dom->loadXML($content, LIBXML_NONET); } libxml_use_internal_errors($internalErrors); libxml_disable_entity_loader($disableEntities); $this->addDocument($dom); } /* * Adds a \DOMDocument to the list of nodes. * * @param \DOMDocument $dom A \DOMDocument instance * * @api / public function addDocument(\DOMDocument $dom) { if ($dom->documentElement) { $this->addNode($dom->documentElement); } } /* * Adds a \DOMNodeList to the list of nodes. * * @param \DOMNodeList $nodes A \DOMNodeList instance * * @api / public function addNodeList(\DOMNodeList $nodes) { foreach ($nodes as $node) { $this->addNode($node); } } /* * Adds an array of \DOMNode instances to the list of nodes. * * @param \DOMNode[] $nodes An array of \DOMNode instances * * @api / public function addNodes(array $nodes) { foreach ($nodes as $node) { $this->add($node); } } /* * Adds a \DOMNode instance to the list of nodes. * * @param \DOMNode $node A \DOMNode instance * * @api / public function addNode(\DOMNode $node) { if ($node instanceof \DOMDocument) { $this->attach($node->documentElement); } else { $this->attach($node); } } /* * Returns a node given its position in the node list. * * @param integer $position The position * * @return Crawler A new instance of the Crawler with the selected node, or an empty Crawler if it does not exist. * * @api / public function eq($position) { foreach ($this as $i => $node) { if ($i == $position) { return new static($node, $this->uri); } } return new static(null, $this->uri); } /* * Calls an anonymous function on each node of the list. * * The anonymous function receives the position and the node wrapped * in a Crawler instance as arguments. * * Example: * * $crawler->filter('h1')->each(function ($node, $i) { * return $node->text(); * }); * * @param \Closure $closure An anonymous function * * @return array An array of values returned by the anonymous function * * @api / public function each(\Closure $closure) { $data = array(); foreach ($this as $i => $node) { $data[] = $closure(new static($node, $this->uri), $i); } return $data; } /* * Reduces the list of nodes by calling an anonymous function. * * To remove a node from the list, the anonymous function must return false. * * @param \Closure $closure An anonymous function * * @return Crawler A Crawler instance with the selected nodes. * * @api / public function reduce(\Closure $closure) { $nodes = array(); foreach ($this as $i => $node) { if (false !== $closure(new static($node, $this->uri), $i)) { $nodes[] = $node; } } return new static($nodes, $this->uri); } /* * Returns the first node of the current selection * * @return Crawler A Crawler instance with the first selected node * * @api / public function first() { return $this->eq(0); } /* * Returns the last node of the current selection * * @return Crawler A Crawler instance with the last selected node * * @api / public function last() { return $this->eq(count($this) - 1); } /* * Returns the siblings nodes of the current selection * * @return Crawler A Crawler instance with the sibling nodes * * @throws \InvalidArgumentException When current node is empty * * @api / public function siblings() { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } return new static($this->sibling($this->getNode(0)->parentNode->firstChild), $this->uri); } /* * Returns the next siblings nodes of the current selection * * @return Crawler A Crawler instance with the next sibling nodes * * @throws \InvalidArgumentException When current node is empty * * @api / public function nextAll() { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } return new static($this->sibling($this->getNode(0)), $this->uri); } /* * Returns the previous sibling nodes of the current selection * * @return Crawler A Crawler instance with the previous sibling nodes * * @throws \InvalidArgumentException * * @api / public function previousAll() { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } return new static($this->sibling($this->getNode(0), 'previousSibling'), $this->uri); } /* * Returns the parents nodes of the current selection * * @return Crawler A Crawler instance with the parents nodes of the current selection * * @throws \InvalidArgumentException When current node is empty * * @api / public function parents() { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } $node = $this->getNode(0); $nodes = array(); while ($node = $node->parentNode) { if (1 === $node->nodeType && '_root' !== $node->nodeName) { $nodes[] = $node; } } return new static($nodes, $this->uri); } /* * Returns the children nodes of the current selection * * @return Crawler A Crawler instance with the children nodes * * @throws \InvalidArgumentException When current node is empty * * @api / public function children() { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } $node = $this->getNode(0)->firstChild; return new static($node ? $this->sibling($node) : array(), $this->uri); } /* * Returns the attribute value of the first node of the list. * * @param string $attribute The attribute name * * @return string\|null The attribute value or null if the attribute does not exist * * @throws \InvalidArgumentException When current node is empty * * @api / public function attr($attribute) { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } $node = $this->getNode(0); return $node->hasAttribute($attribute) ? $node->getAttribute($attribute) : null; } /* * Returns the node value of the first node of the list. * * @return string The node value * * @throws \InvalidArgumentException When current node is empty * * @api / public function text() { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } return $this->getNode(0)->nodeValue; } /* * Returns the first node of the list as HTML. * * @return string The node html * * @throws \InvalidArgumentException When current node is empty / public function html() { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } $html = ''; foreach ($this->getNode(0)->childNodes as $child) { if (version_compare(PHP_VERSION, '5.3.6', '>=')) { // node parameter was added to the saveHTML() method in PHP 5.3.6 // @see http://php.net/manual/en/domdocument.savehtml.php $html .= $child->ownerDocument->saveHTML($child); } else { $document = new \DOMDocument('1.0', 'UTF-8'); $document->appendChild($document->importNode($child, true)); $html .= rtrim($document->saveHTML()); } } return $html; } /* * Extracts information from the list of nodes. * * You can extract attributes or/and the node value (_text). * * Example: * * $crawler->filter('h1 a')->extract(array('_text', 'href')); * * @param array $attributes An array of attributes * * @return array An array of extracted values * * @api / public function extract($attributes) { $attributes = (array) $attributes; $count = count($attributes); $data = array(); foreach ($this as $node) { $elements = array(); foreach ($attributes as $attribute) { if ('_text' === $attribute) { $elements[] = $node->nodeValue; } else { $elements[] = $node->getAttribute($attribute); } } $data[] = $count > 1 ? $elements : $elements[0]; } return $data; } /* * Filters the list of nodes with an XPath expression. * * @param string $xpath An XPath expression * * @return Crawler A new instance of Crawler with the filtered list of nodes * * @api / public function filterXPath($xpath) { $document = new \DOMDocument('1.0', 'UTF-8'); $root = $document->appendChild($document->createElement('_root')); foreach ($this as $node) { $root->appendChild($document->importNode($node, true)); } $prefixes = $this->findNamespacePrefixes($xpath); $domxpath = $this->createDOMXPath($document, $prefixes); return new static($domxpath->query($xpath), $this->uri); } /* * Filters the list of nodes with a CSS selector. * * This method only works if you have installed the CssSelector Symfony Component. * * @param string $selector A CSS selector * * @return Crawler A new instance of Crawler with the filtered list of nodes * * @throws \RuntimeException if the CssSelector Component is not available * * @api / public function filter($selector) { if (!class_exists('Symfony\\Component\\CssSelector\\CssSelector')) { // @codeCoverageIgnoreStart throw new \RuntimeException('Unable to filter with a CSS selector as the Symfony CssSelector is not installed (you can use filterXPath instead).'); // @codeCoverageIgnoreEnd } return $this->filterXPath(CssSelector::toXPath($selector)); } /* * Selects links by name or alt value for clickable images. * * @param string $value The link text * * @return Crawler A new instance of Crawler with the filtered list of nodes * * @api / public function selectLink($value) { $xpath = sprintf('//a[contains(concat(\' \', normalize-space(string(.)), \' \'), %s)] ', static::xpathLiteral(' '.$value.' ')). sprintf('\| //a/img[contains(concat(\' \', normalize-space(string(@alt)), \' \'), %s)]/ancestor::a', static::xpathLiteral(' '.$value.' ')); return $this->filterXPath($xpath); } /* * Selects a button by name or alt value for images. * * @param string $value The button text * * @return Crawler A new instance of Crawler with the filtered list of nodes * * @api / public function selectButton($value) { $xpath = sprintf('//input[((@type="submit" or @type="button") and contains(concat(\' \', normalize-space(string(@value)), \' \'), %s)) ', static::xpathLiteral(' '.$value.' ')). sprintf('or (@type="image" and contains(concat(\' \', normalize-space(string(@alt)), \' \'), %s)) or @id="%s" or @name="%s"] ', static::xpathLiteral(' '.$value.' '), $value, $value). sprintf('\| //button[contains(concat(\' \', normalize-space(string(.)), \' \'), %s) or @id="%s" or @name="%s"]', static::xpathLiteral(' '.$value.' '), $value, $value); return $this->filterXPath($xpath); } /* * Returns a Link object for the first node in the list. * * @param string $method The method for the link (get by default) * * @return Link A Link instance * * @throws \InvalidArgumentException If the current node list is empty * * @api / public function link($method = 'get') { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } $node = $this->getNode(0); return new Link($node, $this->uri, $method); } /* * Returns an array of Link objects for the nodes in the list. * * @return Link[] An array of Link instances * * @api / public function links() { $links = array(); foreach ($this as $node) { $links[] = new Link($node, $this->uri, 'get'); } return $links; } /* * Returns a Form object for the first node in the list. * * @param array $values An array of values for the form fields * @param string $method The method for the form * * @return Form A Form instance * * @throws \InvalidArgumentException If the current node list is empty * * @api / public function form(array $values = null, $method = null) { if (!count($this)) { throw new \InvalidArgumentException('The current node list is empty.'); } $form = new Form($this->getNode(0), $this->uri, $method); if (null !== $values) { $form->setValues($values); } return $form; } /* * Overloads a default namespace prefix to be used with XPath and CSS expressions. * * @param string $prefix / public function setDefaultNamespacePrefix($prefix) { $this->defaultNamespacePrefix = $prefix; } /* * @param string $prefix * @param string $namespace / public function registerNamespace($prefix, $namespace) { $this->namespaces[$prefix] = $namespace; } /* * Converts string for XPath expressions. * * Escaped characters are: quotes (") and apostrophe ('). * * Examples: * <code> * echo Crawler::xpathLiteral('foo " bar'); * //prints 'foo " bar' * * echo Crawler::xpathLiteral("foo ' bar"); * //prints "foo ' bar" * * echo Crawler::xpathLiteral('a\'b"c'); * //prints concat('a', "'", 'b"c') * </code> * * @param string $s String to be escaped * * @return string Converted string / public static function xpathLiteral($s) { if (false === strpos($s, "'")) { return sprintf("'%s'", $s); } if (false === strpos($s, '"')) { return sprintf('"%s"', $s); } $string = $s; $parts = array(); while (true) { if (false !== $pos = strpos($string, "'")) { $parts[] = sprintf("'%s'", substr($string, 0, $pos)); $parts[] = "\"'\""; $string = substr($string, $pos + 1); } else { $parts[] = "'$string'"; break; } } return sprintf("concat(%s)", implode($parts, ', ')); } /* * @param integer $position * * @return \DOMElement\|null / public function getNode($position) { foreach ($this as $i => $node) { if ($i == $position) { return $node; } // @codeCoverageIgnoreStart } return null; // @codeCoverageIgnoreEnd } /* * @param \DOMElement $node * @param string $siblingDir * * @return array / protected function sibling($node, $siblingDir = 'nextSibling') { $nodes = array(); do { if ($node !== $this->getNode(0) && $node->nodeType === 1) { $nodes[] = $node; } } while ($node = $node->$siblingDir); return $nodes; } /* * @param \DOMDocument $document * @param array $prefixes * * @return \DOMXPath * * @throws \InvalidArgumentException / private function createDOMXPath(\DOMDocument $document, array $prefixes = array()) { $domxpath = new \DOMXPath($document); foreach ($prefixes as $prefix) { $namespace = $this->discoverNamespace($domxpath, $prefix); if (null !== $namespace) { $domxpath->registerNamespace($prefix, $namespace); } } return $domxpath; } /* * @param \DOMXPath $domxpath * @param string $prefix * * @return string * * @throws \InvalidArgumentException / private function discoverNamespace(\DOMXPath $domxpath, $prefix) { if (isset($this->namespaces[$prefix])) { return $this->namespaces[$prefix]; } // ask for one namespace, otherwise we'd get a collection with an item for each node $namespaces = $domxpath->query(sprintf('(//namespace::[name()="%s"])[last()]', $this->defaultNamespacePrefix === $prefix ? '' : $prefix)); if ($node = $namespaces->item(0)) { return $node->nodeValue; } } /** * @param $xpath * * @return array / private function findNamespacePrefixes($xpath) { if (preg_match_all('/(?P<prefix>[a-z_][a-z_0-9\-\.]):[^"\/]/i', $xpath, $matches)) { return array_unique($matches['prefix']); } return array(); } }	24.53 KB	2024-07-17 10:22
📁 Field	-	2025-05-25 12:37
📄 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\FormField; /* * Form represents an HTML form. * * @author Fabien Potencier <fabien@symfony.com> * * @api / class Form extends Link implements \ArrayAccess { /* * @var \DOMNode / private $button; /* * @var Field\FormField[] / private $fields; /* * Constructor. * * @param \DOMNode $node A \DOMNode 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) * * @throws \LogicException if the node is not a button inside a form tag * * @api / public function __construct(\DOMNode $node, $currentUri, $method = null) { parent::__construct($node, $currentUri, $method); $this->initialize(); } /* * Gets the form node associated with this form. * * @return \DOMNode A \DOMNode instance / public function getFormNode() { return $this->node; } /* * Sets the value of the fields. * * @param array $values An array of field values * * @return Form * * @api / 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. * * @api / 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 $values; } /* * Gets the file field values. * * @return array An array of file field values. * * @api / public function getFiles() { if (!in_array($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. * * @api / public function getPhpValues() { $values = array(); foreach ($this->getValues() as $name => $value) { $qs = http_build_query(array($name => $value), '', '&'); parse_str($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. * * @api / public function getPhpFiles() { $values = array(); foreach ($this->getFiles() as $name => $value) { $qs = http_build_query(array($name => $value), '', '&'); parse_str($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 * * @api / public function getUri() { $uri = parent::getUri(); if (!in_array($this->getMethod(), array('POST', 'PUT', 'DELETE', 'PATCH')) && $queryString = http_build_query($this->getValues(), null, '&')) { $sep = false === strpos($uri, '?') ? '?' : '&'; $uri .= $sep.$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 * * @api / 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 $name The field name * * @return Boolean true if the field exists, false otherwise * * @api / public function has($name) { return $this->fields->has($name); } /* * Removes a field from the form. * * @param string $name The field name * * @throws \InvalidArgumentException when the name is malformed * * @api / public function remove($name) { $this->fields->remove($name); } /* * Gets a named field. * * @param string $name The field name * * @return FormField The field instance * * @throws \InvalidArgumentException When field is not present in this form * * @api / public function get($name) { return $this->fields->get($name); } /* * Sets a named field. * * @param FormField $field The field * * @api / public function set(FormField $field) { $this->fields->add($field); } /* * Gets all fields. * * @return FormField[] An array of fields * * @api / public function all() { return $this->fields->all(); } /* * Returns true if the named field exists. * * @param string $name The field name * * @return Boolean true if the field exists, false otherwise / public function offsetExists($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 \DOMNode and finds the corresponding form element. * * @param \DOMNode $node A \DOMNode instance * * @throws \LogicException If given node is not a button or input or does not have a form ancestor / protected function setNode(\DOMNode $node) { $this->button = $node; if ('button' == $node->nodeName \|\| ('input' == $node->nodeName && in_array($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(); $document = new \DOMDocument('1.0', 'UTF-8'); $xpath = new \DOMXPath($document); $root = $document->appendChild($document->createElement('_root')); // 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' == $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'); $this->set(new Field\InputFormField($document->importNode($this->button, true))); // temporarily change the name of the input node for the y coordinate $this->button->setAttribute('name', $name.'.y'); $this->set(new Field\InputFormField($document->importNode($this->button, true))); // restore the original name of the input node $this->button->setAttribute('name', $name); } else { $this->set(new Field\InputFormField($document->importNode($this->button, true))); } } // find form elements corresponding to the current form if ($this->node->hasAttribute('id')) { // traverse through the whole document $node = $document->importNode($this->node->ownerDocument->documentElement, true); $root->appendChild($node); // 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), $root); foreach ($fieldNodes as $node) { $this->addField($node); } } else { // parent form has no id, add descendant elements only $node = $document->importNode($this->node, true); $root->appendChild($node); // 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)]', $root); foreach ($fieldNodes as $node) { $this->addField($node); } } } private function addField(\DOMNode $node) { if (!$node->hasAttribute('name') \|\| !$node->getAttribute('name')) { return; } $nodeName = $node->nodeName; if ('select' == $nodeName \|\| 'input' == $nodeName && 'checkbox' == $node->getAttribute('type')) { $this->set(new Field\ChoiceFormField($node)); } elseif ('input' == $nodeName && 'radio' == $node->getAttribute('type')) { if ($this->has($node->getAttribute('name'))) { $this->get($node->getAttribute('name'))->addChoice($node); } else { $this->set(new Field\ChoiceFormField($node)); } } elseif ('input' == $nodeName && 'file' == $node->getAttribute('type')) { $this->set(new Field\FileFormField($node)); } elseif ('input' == $nodeName && !in_array($node->getAttribute('type'), array('submit', 'button', 'image'))) { $this->set(new Field\InputFormField($node)); } elseif ('textarea' == $nodeName) { $this->set(new Field\TextareaFormField($node)); } } }	13.82 KB	2024-07-17 10:22
📄 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. / class FormFieldRegistry { private $fields = array(); private $base; /* * Adds a field to the registry. * * @param FormField $field The field * * @throws \InvalidArgumentException when the name is malformed / public function add(FormField $field) { $segments = $this->getSegments($field->getName()); $target =& $this->fields; while ($segments) { if (!is_array($target)) { $target = array(); } $path = array_shift($segments); if ('' === $path) { $target =& $target[]; } else { $target =& $target[$path]; } } $target = $field; } /* * Removes a field and its children from the registry. * * @param string $name The fully qualified name of the base field * * @throws \InvalidArgumentException when the name is malformed / public function remove($name) { $segments = $this->getSegments($name); $target =& $this->fields; while (count($segments) > 1) { $path = array_shift($segments); if (!array_key_exists($path, $target)) { return; } $target =& $target[$path]; } unset($target[array_shift($segments)]); } /* * Returns the value of the field and its children. * * @param string $name The fully qualified name of the field * * @return mixed The value of the field * * @throws \InvalidArgumentException when the name is malformed * @throws \InvalidArgumentException if the field does not exist / public function &get($name) { $segments = $this->getSegments($name); $target =& $this->fields; while ($segments) { $path = array_shift($segments); if (!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. * * @param string $name The fully qualified name of the field * * @return Boolean Whether the form has the given field / public function has($name) { try { $this->get($name); return true; } catch (\InvalidArgumentException $e) { return false; } } /* * Set the value of a field and its children. * * @param string $name The fully qualified name of the field * @param mixed $value The value * * @throws \InvalidArgumentException when the name is malformed * @throws \InvalidArgumentException if the field does not exist / public function set($name, $value) { $target =& $this->get($name); if (!is_array($value) \|\| $target instanceof Field\ChoiceFormField) { $target->setValue($value); } else { $fields = self::create($name, $value); foreach ($fields->all() as $k => $v) { $this->set($k, $v); } } } /* * Returns the list of field with their value. * * @return array The list of fields as array((string) Fully qualified name => (mixed) value) / public function all() { return $this->walk($this->fields, $this->base); } /* * Creates an instance of the class. * * This function is made private because it allows overriding the $base and * the $values properties without any type checking. * * @param string $base The fully qualified name of the base field * @param array $values The values of the fields * * @return FormFieldRegistry / private static function create($base, array $values) { $registry = new static(); $registry->base = $base; $registry->fields = $values; return $registry; } /* * Transforms a PHP array in a list of fully qualified name / value. * * @param array $array The PHP array * @param string $base The name of the base field * @param array $output The initial values * * @return array The list of fields as array((string) Fully qualified name => (mixed) value) / private function walk(array $array, $base = '', array &$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. * * <code> * getSegments('base[foo][3][]') = array('base', 'foo, '3', ''); * </code> * * @param string $name The name of the field * * @return array The list of segments * * @throws \InvalidArgumentException when the name is malformed / private function getSegments($name) { if (preg_match('/^(?P<base>[^[]+)(?P<extra>(\[.)\|$)/', $name, $m)) { $segments = array($m['base']); while (!empty($m['extra'])) { if (preg_match('/^\[(?P<segment>.?)\](?P<extra>.)$/', $m['extra'], $m)) { $segments[] = $m['segment']; } else { throw new \InvalidArgumentException(sprintf('Malformed field path "%s"', $name)); } } return $segments; } throw new \InvalidArgumentException(sprintf('Malformed field path "%s"', $name)); } }	6.11 KB	2024-07-17 10:22
📄 Link.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; /* * Link represents an HTML link (an HTML a or area tag). * * @author Fabien Potencier <fabien@symfony.com> * * @api / class Link { /* * @var \DOMNode A \DOMNode instance / protected $node; /* * @var string The method to use for the link / protected $method; /* * @var string The URI of the page where the link is embedded (or the base href) / protected $currentUri; /* * Constructor. * * @param \DOMNode $node A \DOMNode instance * @param string $currentUri The URI of the page where the link is embedded (or the base href) * @param string $method The method to use for the link (get by default) * * @throws \InvalidArgumentException if the node is not a link * * @api / public function __construct(\DOMNode $node, $currentUri, $method = 'GET') { if (!in_array(strtolower(substr($currentUri, 0, 4)), array('http', 'file'))) { throw new \InvalidArgumentException(sprintf('Current URI must be an absolute URL ("%s").', $currentUri)); } $this->setNode($node); $this->method = $method ? strtoupper($method) : null; $this->currentUri = $currentUri; } /* * Gets the node associated with this link. * * @return \DOMNode A \DOMNode instance / public function getNode() { return $this->node; } /* * Gets the method associated with this link. * * @return string The method * * @api / public function getMethod() { return $this->method; } /* * Gets the URI associated with this link. * * @return string The URI * * @api / public function getUri() { $uri = trim($this->getRawUri()); // absolute URL? if (null !== parse_url($uri, PHP_URL_SCHEME)) { return $uri; } // empty URI if (!$uri) { return $this->currentUri; } // only an anchor if ('#' === $uri[0]) { $baseUri = $this->currentUri; if (false !== $pos = strpos($baseUri, '#')) { $baseUri = substr($baseUri, 0, $pos); } return $baseUri.$uri; } // only a query string if ('?' === $uri[0]) { $baseUri = $this->currentUri; // remove the query string from the current URI if (false !== $pos = strpos($baseUri, '?')) { $baseUri = substr($baseUri, 0, $pos); } return $baseUri.$uri; } // absolute URL with relative schema if (0 === strpos($uri, '//')) { return preg_replace('#^([^/])//.$#', '$1', $this->currentUri).$uri; } $baseUri = preg_replace('#^(.?//[^/])(?:\/.)?$#', '$1', $this->currentUri); // absolute path if ('/' === $uri[0]) { return $baseUri.$uri; } // relative path $path = parse_url(substr($this->currentUri, strlen($baseUri)), PHP_URL_PATH); $path = $this->canonicalizePath(substr($path, 0, strrpos($path, '/')).'/'.$uri); return $baseUri.('' === $path \|\| '/' !== $path[0] ? '/' : '').$path; } /** * Returns raw URI data. * * @return string / protected function getRawUri() { return $this->node->getAttribute('href'); } /* * Returns the canonicalized URI path (see RFC 3986, section 5.2.4) * * @param string $path URI path * * @return string / protected function canonicalizePath($path) { if ('' === $path \|\| '/' === $path) { return $path; } if ('.' === substr($path, -1)) { $path = $path.'/'; } $output = array(); foreach (explode('/', $path) as $segment) { if ('..' === $segment) { array_pop($output); } elseif ('.' !== $segment) { array_push($output, $segment); } } return implode('/', $output); } /* * Sets current \DOMNode instance. * * @param \DOMNode $node A \DOMNode instance * * @throws \LogicException If given node is not an anchor */ protected function setNode(\DOMNode $node) { if ('a' != $node->nodeName && 'area' != $node->nodeName) { throw new \LogicException(sprintf('Unable to click on a "%s" tag.', $node->nodeName)); } $this->node = $node; } }	4.78 KB	2024-07-17 10:22
📄 autoloader.php <?php spl_autoload_register(function ($class) { if ('\\' == $class[0]) { $class = substr($class, 1); } if ( 0 === strpos($class, 'Symfony\\Component\\DomCrawler\\') && file_exists($file = __DIR__.'/../../../'.str_replace('\\', '/', $class).'.php') ) { require_once $file; } });	340 B	2024-07-17 10:22

Terminal