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<?php |
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/** |
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* Parameter.php - A parameter of a Jaxon request |
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* |
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* This class is used to create client side requests to the Jaxon functions and callable objects. |
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* |
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* @package jaxon-core |
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* @copyright 2016 Thierry Feuzeu <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License |
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* @link https://github.com/jaxon-php/jaxon-core |
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*/ |
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namespace Jaxon\Request\Factory; |
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use Jaxon\Jaxon; |
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class Parameter implements Interfaces\Parameter |
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{ |
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/** |
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* The parameter type |
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* |
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* @var string |
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*/ |
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protected $sType; |
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/** |
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* The parameter value |
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* |
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* @var mixed |
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*/ |
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protected $xValue; |
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/** |
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* The constructor. |
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* |
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* @param string $sType The parameter type |
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* @param mixed $xValue The parameter value |
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*/ |
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public function __construct($sType, $xValue) |
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{ |
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$this->sType = $sType; |
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$this->xValue = $xValue; |
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} |
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/** |
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* Get the parameter type |
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* |
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* @return string |
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*/ |
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public function getType() |
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{ |
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return $this->sType; |
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} |
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/** |
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* Get the parameter value |
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* |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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return $this->xValue; |
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} |
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/** |
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* Set the parameter value |
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* |
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* @param mixed $xValue The parameter value |
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* |
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* @return void |
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*/ |
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public function setValue($xValue) |
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{ |
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$this->xValue = $xValue; |
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} |
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/** |
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* Create a Parameter instance using the given value |
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* |
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* @param mixed $xValue The parameter value |
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* |
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* @return Parameter |
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*/ |
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public static function make($xValue) |
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{ |
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if($xValue instanceof Interfaces\Parameter) |
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{ |
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return $xValue; |
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} |
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elseif(is_numeric($xValue)) |
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{ |
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return new Parameter(Jaxon::NUMERIC_VALUE, $xValue); |
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} |
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elseif(is_string($xValue)) |
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{ |
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return new Parameter(Jaxon::QUOTED_VALUE, $xValue); |
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} |
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elseif(is_bool($xValue)) |
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{ |
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return new Parameter(Jaxon::BOOL_VALUE, $xValue); |
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} |
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else // if(is_array($xValue) || is_object($xValue)) |
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{ |
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return new Parameter(Jaxon::JS_VALUE, $xValue); |
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} |
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} |
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/** |
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* Add quotes to a given value |
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* |
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* @param string $xValue The value to be quoted |
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* |
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* @return string |
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*/ |
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private function getQuotedValue($xValue) |
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{ |
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$sQuoteCharacter = "'"; |
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return $sQuoteCharacter . $xValue . $sQuoteCharacter; |
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} |
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/** |
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* Get a js call to Jaxon with a single parameter |
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* |
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* @param string $sFunction The function name |
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* @param string $sParameter The function parameter |
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* |
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* @return string |
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*/ |
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private function getJsCall($sFunction, $sParameter) |
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{ |
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return 'jaxon.' . $sFunction . '(' . $this->getQuotedValue($sParameter) . ')'; |
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} |
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/** |
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* Generate the javascript code. |
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* |
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* @return string |
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*/ |
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public function getScript() |
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{ |
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$sJsCode = ''; |
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switch($this->sType) |
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{ |
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case Jaxon::FORM_VALUES: |
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$sJsCode = $this->getJsCall('getFormValues', $this->xValue); |
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break; |
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case Jaxon::INPUT_VALUE: |
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$sJsCode = $this->getJsCall('$', $this->xValue) . '.value'; |
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break; |
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case Jaxon::CHECKED_VALUE: |
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$sJsCode = $this->getJsCall('$', $this->xValue) . '.checked'; |
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break; |
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case Jaxon::ELEMENT_INNERHTML: |
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$sJsCode = $this->getJsCall('$', $this->xValue) . '.innerHTML'; |
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break; |
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case Jaxon::QUOTED_VALUE: |
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$sJsCode = $this->getQuotedValue(addslashes($this->xValue)); |
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break; |
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case Jaxon::BOOL_VALUE: |
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$sJsCode = ($this->xValue) ? 'true' : 'false'; |
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break; |
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case Jaxon::PAGE_NUMBER: |
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$sJsCode = (string)$this->xValue; |
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break; |
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case Jaxon::NUMERIC_VALUE: |
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$sJsCode = (string)$this->xValue; |
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break; |
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case Jaxon::JS_VALUE: |
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if(is_array($this->xValue) || is_object($this->xValue)) |
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{ |
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// Unable to use double quotes here because they cannot be handled on client side. |
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// So we are using simple quotes even if the Json standard recommends double quotes. |
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$sJsCode = str_replace(['"'], ["'"], json_encode($this->xValue, JSON_HEX_APOS | JSON_HEX_QUOT)); |
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} |
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else |
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{ |
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$sJsCode = (string)$this->xValue; |
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} |
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break; |
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} |
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return $sJsCode; |
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} |
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/** |
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* Magic function to generate the jQuery call. |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->getScript(); |
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} |
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/** |
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* Generate the jQuery call, when converting the response into json. |
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* |
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* This is a method of the JsonSerializable interface. |
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* |
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* @return string |
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*/ |
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public function jsonSerialize() |
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{ |
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return $this->getScript(); |
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} |
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} |
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