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<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/**
* Helper do deal with request variables. Wrapper for JRequest
*
* @package Framework.Helpers
*/
class RequestHelper extends AppHelper {
/**
* Name of the wrapper class
*
* @var string
* @since 1.0.0
*/
protected $_class = 'JRequest';
/**
* Get a variable from the request
*
* @param string $var The name of the variable
* @param string $type The type of the variale (string, int, float, bool, array, word, cmd)
* @param mixed $default The default value
*
* @return mixed The value of the variable
*
* @see JRequest::get()
*
* @since 1.0.0
*/
public function get($var, $type, $default = null) {
// parse variable name
extract($this->_parse($var));
// get hash array, if name is empty
if ($name == '') {
return $this->_call(array($this->_class, 'get'), array($hash));
}
// access a array value ?
if (strpos($name, '.') !== false) {
$parts = explode('.', $name);
$array = $this->_call(array($this->_class, 'getVar'), array(array_shift($parts), $default, $hash, 'array'));
foreach ($parts as $part) {
if (!is_array($array) || !isset($array[$part])) {
return $default;
}
$array =& $array[$part];
}
return $array;
}
return $this->_call(array($this->_class, 'getVar'), array($name, $default, $hash, $type));
}
/**
* Set a request variable value
*
* @param string $var The variable name (hash:name)
* @param mixed $value The value to set
*
* @return RequestHelper $this for chaining support
*
* @since 1.0.0
*/
public function set($var, $value = null) {
// parse variable name
extract($this->_parse($var));
if (!empty($name)) {
// set default hash to method
if ($hash == 'default') {
$hash = 'method';
}
// set a array value ?
if (strpos($name, '.') !== false) {
$parts = explode('.', $name);
$name = array_shift($parts);
$array =& $this->_call(array($this->_class, 'getVar'), array($name, array(), $hash, 'array'));
$val =& $array;
foreach ($parts as $i => $part) {
if (!isset($array[$part])) {
$array[$part] = array();
}
if (isset($parts[$i + 1])) {
$array =& $array[$part];
} else {
$array[$part] = $value;
}
}
$value = $val;
}
$this->_call(array($this->_class, 'setVar'), array($name, $value, $hash));
}
return $this;
}
/**
* Map all the methods to the mapped class
*
* @param string $method The name of the method
* @param array $args The list of arguments to pass on to the method
*
* @return mixed The result of the call
*
* @see JRequest
*
* @since 1.0.0
*/
public function __call($method, $args) {
return $this->_call(array($this->_class, $method), $args);
}
/**
* Parse a variable string
*
* @param string $var The variable string to parse
*
* @return array An array containing the hash and the name of the variable
*
* @since 1.0.0
*/
protected function _parse($var) {
// init vars
$parts = explode(':', $var, 2);
$count = count($parts);
$name = '';
$hash = 'default';
// parse variable name
if ($count == 1) {
list($name) = $parts;
} elseif ($count == 2) {
list($hash, $name) = $parts;
}
return compact('hash', 'name');
}
}