A super easy PHP Framework for web development!
https://github.com/exacti/phacil-framework
172 lines
3.7 KiB
172 lines
3.7 KiB
<?php
|
|
|
|
/*
|
|
* This file is part of Mustache.php.
|
|
*
|
|
* (c) 2010-2017 Justin Hileman
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
/**
|
|
* A collection of helpers for a Mustache instance.
|
|
*/
|
|
class Mustache_HelperCollection
|
|
{
|
|
private $helpers = array();
|
|
|
|
/**
|
|
* Helper Collection constructor.
|
|
*
|
|
* Optionally accepts an array (or Traversable) of `$name => $helper` pairs.
|
|
*
|
|
* @throws Mustache_Exception_InvalidArgumentException if the $helpers argument isn't an array or Traversable
|
|
*
|
|
* @param array|Traversable $helpers (default: null)
|
|
*/
|
|
public function __construct($helpers = null)
|
|
{
|
|
if ($helpers === null) {
|
|
return;
|
|
}
|
|
|
|
if (!is_array($helpers) && !$helpers instanceof Traversable) {
|
|
throw new Mustache_Exception_InvalidArgumentException('HelperCollection constructor expects an array of helpers');
|
|
}
|
|
|
|
foreach ($helpers as $name => $helper) {
|
|
$this->add($name, $helper);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Magic mutator.
|
|
*
|
|
* @see Mustache_HelperCollection::add
|
|
*
|
|
* @param string $name
|
|
* @param mixed $helper
|
|
*/
|
|
public function __set($name, $helper)
|
|
{
|
|
$this->add($name, $helper);
|
|
}
|
|
|
|
/**
|
|
* Add a helper to this collection.
|
|
*
|
|
* @param string $name
|
|
* @param mixed $helper
|
|
*/
|
|
public function add($name, $helper)
|
|
{
|
|
$this->helpers[$name] = $helper;
|
|
}
|
|
|
|
/**
|
|
* Magic accessor.
|
|
*
|
|
* @see Mustache_HelperCollection::get
|
|
*
|
|
* @param string $name
|
|
*
|
|
* @return mixed Helper
|
|
*/
|
|
public function __get($name)
|
|
{
|
|
return $this->get($name);
|
|
}
|
|
|
|
/**
|
|
* Get a helper by name.
|
|
*
|
|
* @throws Mustache_Exception_UnknownHelperException If helper does not exist
|
|
*
|
|
* @param string $name
|
|
*
|
|
* @return mixed Helper
|
|
*/
|
|
public function get($name)
|
|
{
|
|
if (!$this->has($name)) {
|
|
throw new Mustache_Exception_UnknownHelperException($name);
|
|
}
|
|
|
|
return $this->helpers[$name];
|
|
}
|
|
|
|
/**
|
|
* Magic isset().
|
|
*
|
|
* @see Mustache_HelperCollection::has
|
|
*
|
|
* @param string $name
|
|
*
|
|
* @return bool True if helper is present
|
|
*/
|
|
public function __isset($name)
|
|
{
|
|
return $this->has($name);
|
|
}
|
|
|
|
/**
|
|
* Check whether a given helper is present in the collection.
|
|
*
|
|
* @param string $name
|
|
*
|
|
* @return bool True if helper is present
|
|
*/
|
|
public function has($name)
|
|
{
|
|
return array_key_exists($name, $this->helpers);
|
|
}
|
|
|
|
/**
|
|
* Magic unset().
|
|
*
|
|
* @see Mustache_HelperCollection::remove
|
|
*
|
|
* @param string $name
|
|
*/
|
|
public function __unset($name)
|
|
{
|
|
$this->remove($name);
|
|
}
|
|
|
|
/**
|
|
* Check whether a given helper is present in the collection.
|
|
*
|
|
* @throws Mustache_Exception_UnknownHelperException if the requested helper is not present
|
|
*
|
|
* @param string $name
|
|
*/
|
|
public function remove($name)
|
|
{
|
|
if (!$this->has($name)) {
|
|
throw new Mustache_Exception_UnknownHelperException($name);
|
|
}
|
|
|
|
unset($this->helpers[$name]);
|
|
}
|
|
|
|
/**
|
|
* Clear the helper collection.
|
|
*
|
|
* Removes all helpers from this collection
|
|
*/
|
|
public function clear()
|
|
{
|
|
$this->helpers = array();
|
|
}
|
|
|
|
/**
|
|
* Check whether the helper collection is empty.
|
|
*
|
|
* @return bool True if the collection is empty
|
|
*/
|
|
public function isEmpty()
|
|
{
|
|
return empty($this->helpers);
|
|
}
|
|
}
|
|
|