/**
* Get data from <form> element
*
* Form is get by $xpath
* Return key->value array where key is name of field
*
* @param ElementFinder $page
* @param string $xpath xpath to form
* @return array
* @throws \Exception
*/
public static function getDefaultFormData(ElementFinder $page, $xpath)
{
/** @var ElementFinder $form */
$form = $page->object($xpath, true)->getFirst();
if (empty($form)) {
throw new \Exception("Cant find form. Possible invalid xpath ");
}
$formData = [];
# textarea
foreach ($form->elements('//textarea') as $textArea) {
$formData[$textArea->getAttribute('name')] = $textArea->nodeValue;
}
# radio and checkboxes
foreach ($form->elements('//input[@checked]') as $textArea) {
$formData[$textArea->getAttribute('name')] = $textArea->getAttribute('value');
}
# hidden, text, submit
$hiddenAndTextElements = $form->elements('//input[@type="hidden" or @type="text" or @type="submit" or not(@type)]');
foreach ($hiddenAndTextElements as $element) {
$formData[$element->getAttribute('name')] = $element->getAttribute('value');
}
# select
$selectItems = $form->object('//select', true);
foreach ($selectItems as $select) {
$name = $select->attribute('//select/@name')->item(0);
$option = $select->value('//option[@selected]');
if (!isset($option[0])) {
$option = $select->value('//option[1]');
}
$formData[$name] = $option->item(0);
}
return $formData;
}
/**
* Convert relative links, images scr and form actions to absolute
*
* @param ElementFinder $page
* @param string $affectedUrl
*/
public static function convertUrlsToAbsolute(ElementFinder $page, $affectedUrl)
{
$affected = new Uri($affectedUrl);
$srcElements = $page->element('//*[@src] | //*[@href] | //form[@action]');
$baseUrl = $page->value('//base/@href')->getFirst();
foreach ($srcElements as $element) {
$attributeName = 'href';
if ($element->hasAttribute('action') === true and $element->tagName === 'form') {
$attributeName = 'action';
} else {
if ($element->hasAttribute('src') === true) {
$attributeName = 'src';
}
}
$relative = $element->getAttribute($attributeName);
# don`t change javascript in href
if (preg_match('!^\\s*javascript\\s*:\\s*!', $relative)) {
continue;
}
if (parse_url($relative) === false) {
continue;
}
if (!empty($baseUrl) and !preg_match('!^(/|http)!i', $relative)) {
$relative = Uri::resolve(new Uri($baseUrl), $relative);
}
$url = Uri::resolve($affected, (string) $relative);
$element->setAttribute($attributeName, (string) $url);
}
}
/**
* @param string $xpath
* @param bool $outerHtml
* @throws \Exception
* @return ObjectCollection
*/
public function object($xpath, $outerHtml = false)
{
$options = $this->getOptions();
$type = $this->getType();
$items = $this->query($xpath);
$collection = new ObjectCollection();
foreach ($items as $node) {
/** @var \DOMElement $node */
if ($outerHtml) {
$html = NodeHelper::getOuterHtml($node);
} else {
$html = NodeHelper::getInnerHtml($node);
}
if (trim($html) === "") {
$html = $this->getEmptyDocumentHtml();
}
$elementFinder = new ElementFinder($html, $type, $options);
$elementFinder->setExpressionTranslator($this->expressionTranslator);
$collection[] = $elementFinder;
}
return $collection;
}
