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<?php |
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namespace Openbuildings\Spiderling; |
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/** |
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* Use phantomjs to load urls. |
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* Has Javascript |
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* |
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* @package Openbuildings\Spiderling |
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* @author Ivan Kerin |
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* @copyright (c) 2013 OpenBuildings Ltd. |
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* @license http://spdx.org/licenses/BSD-3-Clause |
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*/ |
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class Driver_Phantomjs extends Driver { |
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/** |
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* Driver name |
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* @var string |
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*/ |
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public $name = 'phantomjs'; |
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/** |
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* Array containing parameters to be added on the next request |
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* @var array |
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*/ |
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public $_next_query = array(); |
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/** |
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* User agent string cache |
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* @var string |
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*/ |
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protected $_user_agent; |
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/** |
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* Variable holding the current Driver_Phantomjs_Connection |
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* @var Driver_Phantomjs_Connection |
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*/ |
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protected $_connection; |
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/** |
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* The base URL, to be prefixed on each request |
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* @var string |
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*/ |
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protected $_base_url = ''; |
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/** |
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* Getter / Setter of the base_url, that will be prefixed on each request |
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* @param string $base_url |
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* @return string|Driver_PHantomjs |
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*/ |
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public function base_url($base_url = NULL) |
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{ |
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if ($base_url !== NULL) |
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{ |
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$this->_base_url = (string) $base_url; |
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return $this; |
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} |
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return $this->_base_url; |
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} |
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/** |
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* Getter / Setter of the Driver_Phantomjs_Connection object. |
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* Use this to customize the connection, otherwise a default one on a random port will be used |
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* |
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* @param Driver_Phantomjs_Connection $connection |
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* @return Driver_Phantomjs_Connection|Driver_Phantomjs |
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*/ |
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public function connection(Driver_Phantomjs_Connection $connection = NULL) |
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{ |
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if ($connection !== NULL) |
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{ |
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$this->_connection = $connection; |
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return $this; |
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} |
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if ( ! $this->_connection) |
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{ |
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$this->_connection = new Driver_Phantomjs_Connection(); |
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$this->_connection->start(); |
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} |
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return $this->_connection; |
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} |
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/** |
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* If a connection has been started, stop it |
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*/ |
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public function __destruct() |
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{ |
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if ($this->_connection AND $this->_connection->is_started()) |
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{ |
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$this->_connection->stop(); |
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} |
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} |
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/** |
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* Clear the connection by deleting all cookies |
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*/ |
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public function clear() |
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{ |
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$this->connection()->delete('cookies'); |
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} |
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/** |
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* Getter of the raw content html, this driver does not allow "setting" |
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* |
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* @param string $content |
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* @return string |
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*/ |
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public function content($content = NULL) |
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{ |
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return $this->connection()->get('source'); |
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} |
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/** |
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* NODE GETTERS |
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* ===================================== |
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*/ |
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/** |
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* Get the tag name of a Node with id. e.g. DIV, SPAN ... |
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* @param string $id |
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* @return string |
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*/ |
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public function tag_name($id) |
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{ |
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return $this->connection()->get("element/$id/name"); |
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} |
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/** |
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* Get the attribute of a Node with id. If the attribute does not exist, returns NULL |
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* @param string $id |
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* @param string $name |
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* @return string |
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*/ |
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public function attribute($id, $name) |
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{ |
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return $this->connection()->get("element/$id/attribute/$name"); |
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} |
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/** |
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* Return the raw html of a Node with id, along with all of its children. |
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* @param string $id |
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* @return string |
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*/ |
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public function html($id) |
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{ |
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if ($id === NULL) |
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return $this->content(); |
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return $this->connection()->get("element/$id/html"); |
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} |
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/** |
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* Return the text of a Node with id, with all the spaces collapsed, similar to browser rendering. |
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* @param string $id |
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* @return string |
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*/ |
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public function text($id) |
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{ |
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$text = $this->connection()->get("element/$id/text"); |
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$text = preg_replace('/[ \s\f\n\r\t\v ]+/u', ' ', $text); |
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return trim($text); |
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} |
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/** |
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* Return the value of a Node of a form element, e.g. INPUT, TEXTAREA or SELECT |
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* @param string $id |
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* @return string |
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*/ |
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public function value($id) |
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{ |
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return $this->connection()->get("element/$id/value"); |
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} |
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/** |
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* Check if a Node with id is visible. |
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* @param string $id |
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* @return boolean |
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*/ |
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public function is_visible($id) |
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{ |
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return $this->connection()->get("element/$id/visible"); |
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} |
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/** |
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* Check if a Node with id of an option element is selected |
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* @param string $id |
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* @return boolean |
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*/ |
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public function is_selected($id) |
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{ |
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return $this->connection()->get("element/$id/selected"); |
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} |
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/** |
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* Check if a Node with id of an input element (radio or checkbox) is checked |
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* @param string $id |
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* @return boolean |
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*/ |
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public function is_checked($id) |
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{ |
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return $this->connection()->get("element/$id/checked"); |
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} |
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/** |
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* Set the value of a Node with id of a form element |
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* @param string $id |
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* @param string $value |
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*/ |
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public function set($id, $value) |
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{ |
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$tag_name = $this->tag_name($id); |
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if ($tag_name == 'textarea') |
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{ |
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$this->connection()->post("element/$id/value", array('value' => $value)); |
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} |
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elseif ($tag_name == 'input') |
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{ |
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$type = $this->attribute($id, 'type'); |
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if ($type == 'checkbox' OR $type == 'radio') |
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{ |
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$this->connection()->post("element/$id/click", array()); |
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} |
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elseif ($type == 'file') |
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{ |
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$this->connection()->post("element/$id/upload", array('value' => $value)); |
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} |
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else |
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{ |
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$this->connection()->post("element/$id/value", array('value' => $value)); |
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} |
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} |
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elseif ($tag_name == 'option') |
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{ |
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$this->connection()->post("element/$id/selected", array('value' => $value)); |
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} |
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} |
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/** |
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* Set the option value that is selected of a Node of a select element |
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* @param string $id |
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* @param string $value |
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*/ |
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public function select_option($id, $value) |
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{ |
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$this->connection()->post("element/$id/selected", array('value' => $value)); |
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} |
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/** |
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* Click on a Node with id, triggering a link or form submit |
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* @param string $id |
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* @throws Exception_Driver If not a clickable element |
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*/ |
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public function click($id) |
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{ |
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$this->connection()->post("element/$id/click", array()); |
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} |
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/** |
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* Go to a given url address, use next_query along with the provided query array |
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* @param string $uri |
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* @param array $query |
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*/ |
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public function visit($uri, array $query = array()) |
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{ |
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$query = array_merge((array) $this->_next_query, (array) $query); |
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$this->_next_query = NULL; |
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// Check for implicit query string |
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if (strpos($uri, '?') !== FALSE) |
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{ |
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$query = array_merge(self::extract_query_from_uri($uri), $query); |
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$uri = substr($uri, 0, strpos($uri, '?')); |
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} |
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$url = $this->base_url().$uri.($query ? '?'.http_build_query($query) : ''); |
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$this->connection()->post('url', array('value' => $url)); |
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} |
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/** |
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* Get the current path (without host and protocol) |
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* @return string |
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*/ |
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public function current_path() |
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{ |
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$url = parse_url($this->connection()->get('url')); |
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return $url['path'].(isset($url['query']) ? '?'.$url['query'] : ''); |
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} |
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/** |
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* Get the current url |
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* @return string |
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*/ |
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public function current_url() |
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{ |
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return urldecode($this->connection()->get('url')); |
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} |
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/** |
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* Find all ids of a given XPath |
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* @param string $xpath |
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* @param string $parent id of the parent node |
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* @return array |
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*/ |
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public function all($xpath, $parent = NULL) |
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{ |
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return $this->connection()->post(($parent === NULL ? '' : 'element/'.$parent.'/').'elements', array('value' => '.'.$xpath)); |
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} |
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/** |
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* Setter for the next_query variable, to be added to the next visit's query |
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* @param array $query |
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*/ |
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public function next_query(array $query) |
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{ |
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$this->_next_query = $query; |
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} |
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324
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/** |
325
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* Check if a connection is active |
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* @return boolean |
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*/ |
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public function is_page_active() |
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{ |
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return (bool) $this->_connection; |
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} |
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333
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/** |
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* Return all javascript errors for the current page |
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* @return array |
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*/ |
337
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public function javascript_errors() |
338
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{ |
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return $this->connection()->get('errors', array()); |
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340
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} |
341
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342
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/** |
343
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* Return all console messages for the current page |
344
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* @return array |
345
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*/ |
346
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1 |
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public function javascript_messages() |
347
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{ |
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1 |
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return $this->connection()->get('messages', array()); |
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349
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} |
350
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|
351
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/** |
352
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* Do a screenshot of the current page into a file |
353
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* @param string $file |
354
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*/ |
355
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1 |
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public function screenshot($file) |
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{ |
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$this->connection()->post('screenshot', array('value' => $file)); |
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358
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1 |
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} |
359
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360
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/** |
361
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* Get the current user agent |
362
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* @return string |
363
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*/ |
364
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1 |
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public function user_agent() |
365
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{ |
366
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1 |
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if ( ! $this->_user_agent) |
367
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{ |
368
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$settings = $this->connection()->get('settings'); |
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|
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$this->_user_agent = isset($settings['userAgent']) ? $settings['userAgent'] : NULL; |
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} |
371
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1 |
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return $this->_user_agent; |
373
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} |
374
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|
375
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/** |
376
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* Execute raw javascript. it will be executed in the context of a given node ('this' will point to the node) and the return of the script will be the return of this method |
377
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* @param string $id |
378
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* @param string $script |
379
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* @return mixed |
380
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|
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*/ |
381
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2 |
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public function execute($id, $script) |
382
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|
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{ |
383
|
2 |
|
return $this->connection()->post('execute', array( |
|
|
|
|
384
|
2 |
|
'value' => $script, |
385
|
2 |
|
'id' => $id, |
386
|
|
|
)); |
387
|
|
|
} |
388
|
|
|
|
389
|
|
|
/** |
390
|
|
|
* Return all the current cookies |
391
|
|
|
* @return array |
392
|
|
|
*/ |
393
|
1 |
|
public function cookies() |
394
|
|
|
{ |
395
|
1 |
|
return $this->connection()->get('cookies'); |
|
|
|
|
396
|
|
|
} |
397
|
|
|
|
398
|
|
|
/** |
399
|
|
|
* Set a cookie. Use parameters to set "expires", "path", "domain", "secure" and "httponly" |
400
|
|
|
* @param string $name |
401
|
|
|
* @param mixed $value |
402
|
|
|
* @param array $parameters |
403
|
|
|
*/ |
404
|
1 |
|
public function cookie($name, $value, array $parameters = array()) |
405
|
|
|
{ |
406
|
1 |
|
$this->connection()->post('cookie', array( |
|
|
|
|
407
|
1 |
|
'name' => $name, |
408
|
1 |
|
'value' => $value, |
409
|
1 |
|
'expires' => isset($parameters['expires']) ? $parameters['expires'] : time() + 86400, |
410
|
1 |
|
'path' => isset($parameters['path']) ? $parameters['path'] : '/', |
411
|
1 |
|
'domain' => isset($parameters['domain']) ? $parameters['domain'] : NULL, |
412
|
1 |
|
'secure' => isset($parameters['secure']) ? $parameters['secure'] : FALSE, |
413
|
1 |
|
'httponly' => isset($parameters['httponly']) ? $parameters['httponly'] : FALSE, |
414
|
|
|
)); |
415
|
1 |
|
} |
416
|
|
|
} |
417
|
|
|
|
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: