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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\View\Resolver;
use ArrayIterator;
use IteratorAggregate;
use Traversable;
use Zend\Stdlib\ArrayUtils;
use Zend\View\Exception;
use Zend\View\Renderer\RendererInterface as Renderer;
class TemplateMapResolver implements IteratorAggregate, ResolverInterface
{
/**
* @var array
*/
protected $map = array();
/**
* Constructor
*
* Instantiate and optionally populate template map.
*
* @param array|Traversable $map
*/
public function __construct($map = array())
{
$this->setMap($map);
}
/**
* IteratorAggregate: return internal iterator
*
* @return Traversable
*/
public function getIterator()
{
return new ArrayIterator($this->map);
}
/**
* Set (overwrite) template map
*
* Maps should be arrays or Traversable objects with name => path pairs
*
* @param array|Traversable $map
* @throws Exception\InvalidArgumentException
* @return TemplateMapResolver
*/
public function setMap($map)
{
if (!is_array($map) && !$map instanceof Traversable) {
throw new Exception\InvalidArgumentException(sprintf(
'%s: expects an array or Traversable, received "%s"',
__METHOD__,
(is_object($map) ? get_class($map) : gettype($map))
));
}
if ($map instanceof Traversable) {
$map = ArrayUtils::iteratorToArray($map);
}
$this->map = $map;
return $this;
}
/**
* Add an entry to the map
*
* @param string|array|Traversable $nameOrMap
* @param null|string $path
* @throws Exception\InvalidArgumentException
* @return TemplateMapResolver
*/
public function add($nameOrMap, $path = null)
{
if (is_array($nameOrMap) || $nameOrMap instanceof Traversable) {
$this->merge($nameOrMap);
return $this;
}
if (!is_string($nameOrMap)) {
throw new Exception\InvalidArgumentException(sprintf(
'%s: expects a string, array, or Traversable for the first argument; received "%s"',
__METHOD__,
(is_object($nameOrMap) ? get_class($nameOrMap) : gettype($nameOrMap))
));
}
if (empty($path)) {
if (isset($this->map[$nameOrMap])) {
unset($this->map[$nameOrMap]);
}
return $this;
}
$this->map[$nameOrMap] = $path;
return $this;
}
/**
* Merge internal map with provided map
*
* @param array|Traversable $map
* @throws Exception\InvalidArgumentException
* @return TemplateMapResolver
*/
public function merge($map)
{
if (!is_array($map) && !$map instanceof Traversable) {
throw new Exception\InvalidArgumentException(sprintf(
'%s: expects an array or Traversable, received "%s"',
__METHOD__,
(is_object($map) ? get_class($map) : gettype($map))
));
}
if ($map instanceof Traversable) {
$map = ArrayUtils::iteratorToArray($map);
}
$this->map = array_replace_recursive($this->map, $map);
return $this;
}
/**
* Does the resolver contain an entry for the given name?
*
* @param string $name
* @return bool
*/
public function has($name)
{
return array_key_exists($name, $this->map);
}
/**
* Retrieve a template path by name
*
* @param string $name
* @return false|string
* @throws Exception\DomainException if no entry exists
*/
public function get($name)
{
if (!$this->has($name)) {
return false;
}
return $this->map[$name];
}
/**
* Retrieve the template map
*
* @return array
*/
public function getMap()
{
return $this->map;
}
/**
* Resolve a template/pattern name to a resource the renderer can consume
*
* @param string $name
* @param null|Renderer $renderer
* @return string
*/
public function resolve($name, Renderer $renderer = null)
{
return $this->get($name);
}
}
|
