[DomCrawler] Fixed filterXPath() chaining
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@ -441,7 +441,7 @@ class Crawler extends \SplObjectStorage
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$nodes = array();
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while ($node = $node->parentNode) {
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if (1 === $node->nodeType && '_root' !== $node->nodeName) {
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if (1 === $node->nodeType) {
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$nodes[] = $node;
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}
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}
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@ -584,15 +584,13 @@ class Crawler extends \SplObjectStorage
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*/
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public function filterXPath($xpath)
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{
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$document = new \DOMDocument('1.0', 'UTF-8');
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$root = $document->appendChild($document->createElement('_root'));
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$crawler = new static(null, $this->uri);
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foreach ($this as $node) {
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$root->appendChild($document->importNode($node, true));
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$domxpath = new \DOMXPath($node->ownerDocument);
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$crawler->add($domxpath->query($xpath, $node));
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}
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$domxpath = new \DOMXPath($document);
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return new static($domxpath->query($xpath), $this->uri);
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return $crawler;
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}
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/**
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@ -52,13 +52,7 @@ abstract class FormField
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{
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$this->node = $node;
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$this->name = $node->getAttribute('name');
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$this->document = new \DOMDocument('1.0', 'UTF-8');
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$this->node = $this->document->importNode($this->node, true);
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$root = $this->document->appendChild($this->document->createElement('_root'));
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$root->appendChild($this->node);
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$this->xpath = new \DOMXPath($this->document);
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$this->xpath = new \DOMXPath($node->ownerDocument);
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$this->initialize();
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}
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@ -378,9 +378,7 @@ class Form extends Link implements \ArrayAccess
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{
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$this->fields = new FormFieldRegistry();
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$document = new \DOMDocument('1.0', 'UTF-8');
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$xpath = new \DOMXPath($document);
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$root = $document->appendChild($document->createElement('_root'));
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$xpath = new \DOMXPath($this->node->ownerDocument);
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// add submitted button if it has a valid name
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if ('form' !== $this->button->nodeName && $this->button->hasAttribute('name') && $this->button->getAttribute('name')) {
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@ -390,39 +388,33 @@ class Form extends Link implements \ArrayAccess
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// temporarily change the name of the input node for the x coordinate
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$this->button->setAttribute('name', $name.'.x');
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$this->set(new Field\InputFormField($document->importNode($this->button, true)));
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$this->set(new Field\InputFormField($this->button));
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// temporarily change the name of the input node for the y coordinate
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$this->button->setAttribute('name', $name.'.y');
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$this->set(new Field\InputFormField($document->importNode($this->button, true)));
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$this->set(new Field\InputFormField($this->button));
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// restore the original name of the input node
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$this->button->setAttribute('name', $name);
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}
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else {
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$this->set(new Field\InputFormField($document->importNode($this->button, true)));
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} else {
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$this->set(new Field\InputFormField($this->button));
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}
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}
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// find form elements corresponding to the current form
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if ($this->node->hasAttribute('id')) {
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// traverse through the whole document
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$node = $document->importNode($this->node->ownerDocument->documentElement, true);
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$root->appendChild($node);
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// corresponding elements are either descendants or have a matching HTML5 form attribute
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$formId = Crawler::xpathLiteral($this->node->getAttribute('id'));
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$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);
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// do the xpath query without $this->node as the context node (i.e. traverse through the whole document)
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$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, $formId));
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foreach ($fieldNodes as $node) {
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$this->addField($node);
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}
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} else {
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// parent form has no id, add descendant elements only
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$node = $document->importNode($this->node, true);
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$root->appendChild($node);
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// descendant elements with form attribute are not part of this form
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$fieldNodes = $xpath->query('descendant::input[not(@form)] | descendant::button[not(@form)] | descendant::textarea[not(@form)] | descendant::select[not(@form)]', $root);
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// do the xpath query with $this->node as the context node, to only find descendant elements
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// however, descendant elements with form attribute are not part of this form
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$fieldNodes = $xpath->query('descendant::input[not(@form)] | descendant::button[not(@form)] | descendant::textarea[not(@form)] | descendant::select[not(@form)]', $this->node);
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foreach ($fieldNodes as $node) {
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$this->addField($node);
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}
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@ -378,8 +378,10 @@ EOF
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$this->assertInstanceOf('Symfony\\Component\\DomCrawler\\Crawler', $crawler, '->filterXPath() returns a new instance of a crawler');
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$crawler = $this->createTestCrawler()->filterXPath('//ul');
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$this->assertCount(6, $crawler->filterXPath('//li'), '->filterXPath() filters the node list with the XPath expression');
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$crawler = $this->createTestCrawler();
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$this->assertCount(3, $crawler->filterXPath('//body')->filterXPath('//button')->parents(), '->filterXpath() preserves parents when chained');
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}
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/**
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