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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Tool
* @subpackage Framework
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Container.php 18951 2009-11-12 16:26:19Z alexander $
*/
/**
* @see Zend_Tool_Project_Profile_Resource_SearchConstraints
*/
require_once 'Zend/Tool/Project/Profile/Resource/SearchConstraints.php';
/**
* This class is an iterator that will iterate only over enabled resources
*
* @category Zend
* @package Zend_Tool
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Tool_Project_Profile_Resource_Container implements RecursiveIterator, Countable
{
/**
* @var array
*/
protected $_subResources = array();
/**
* @var int
*/
protected $_position = 0;
/**
* @var bool
*/
protected $_appendable = true;
/**
* Finder method to be able to find resources by context name
* and attributes. Example usage:
*
* <code>
*
* </code>
*
* @param Zend_Tool_Project_Profile_Resource_SearchConstraints|string|array $searchParameters
* @return Zend_Tool_Project_Profile_Resource
*/
public function search($matchSearchConstraints, $nonMatchSearchConstraints = null)
{
if (!$matchSearchConstraints instanceof Zend_Tool_Project_Profile_Resource_SearchConstraints) {
$matchSearchConstraints = new Zend_Tool_Project_Profile_Resource_SearchConstraints($matchSearchConstraints);
}
$this->rewind();
/**
* @todo This should be re-written with better support for a filter iterator, its the way to go
*/
if ($nonMatchSearchConstraints) {
$filterIterator = new Zend_Tool_Project_Profile_Iterator_ContextFilter($this, array('denyNames' => $nonMatchSearchConstraints));
$riIterator = new RecursiveIteratorIterator($filterIterator, RecursiveIteratorIterator::SELF_FIRST);
} else {
$riIterator = new RecursiveIteratorIterator($this, RecursiveIteratorIterator::SELF_FIRST);
}
$foundResource = false;
$currentConstraint = $matchSearchConstraints->getConstraint();
$foundDepth = 0;
foreach ($riIterator as $currentResource) {
// if current depth is less than found depth, end
if ($riIterator->getDepth() < $foundDepth) {
break;
}
if (strtolower($currentResource->getName()) == strtolower($currentConstraint->name)) {
$paramsMatch = true;
// @todo check to ensure params match (perhaps)
if (count($currentConstraint->params) > 0) {
$currentResourceAttributes = $currentResource->getAttributes();
if (!is_array($currentConstraint->params)) {
require_once 'Zend/Tool/Project/Profile/Exception.php';
throw new Zend_Tool_Project_Profile_Exception('Search parameter specifics must be in the form of an array for key "'
. $currentConstraint->name .'"');
}
foreach ($currentConstraint->params as $paramName => $paramValue) {
if (!isset($currentResourceAttributes[$paramName]) || $currentResourceAttributes[$paramName] != $paramValue) {
$paramsMatch = false;
break;
}
}
}
if ($paramsMatch) {
$foundDepth = $riIterator->getDepth();
if (($currentConstraint = $matchSearchConstraints->getConstraint()) == null) {
$foundResource = $currentResource;
break;
}
}
}
}
return $foundResource;
}
/**
* createResourceAt()
*
* @param array|Zend_Tool_Project_Profile_Resource_SearchConstraints $appendResourceOrSearchConstraints
* @param string $context
* @param array $attributes
* @return Zend_Tool_Project_Profile_Resource
*/
public function createResourceAt($appendResourceOrSearchConstraints, $context, Array $attributes = array())
{
if (!$appendResourceOrSearchConstraints instanceof Zend_Tool_Project_Profile_Resource_Container) {
if (($parentResource = $this->search($appendResourceOrSearchConstraints)) == false) {
require_once 'Zend/Tool/Project/Profile/Exception.php';
throw new Zend_Tool_Project_Profile_Exception('No node was found to append to.');
}
} else {
$parentResource = $appendResourceOrSearchConstraints;
}
return $parentResource->createResource($context, $attributes);
}
/**
* createResource()
*
* Method to create a resource with a given context with specific attributes
*
* @param string $context
* @param array $attributes
* @return Zend_Tool_Project_Profile_Resource
*/
public function createResource($context, Array $attributes = array())
{
if (is_string($context)) {
$contextRegistry = Zend_Tool_Project_Context_Repository::getInstance();
if ($contextRegistry->hasContext($context)) {
$context = $contextRegistry->getContext($context);
} else {
require_once 'Zend/Tool/Project/Profile/Exception.php';
throw new Zend_Tool_Project_Profile_Exception('Context by name ' . $context . ' was not found in the context registry.');
}
} elseif (!$context instanceof Zend_Tool_Project_Context_Interface) {
require_once 'Zend/Tool/Project/Profile/Exception.php';
throw new Zend_Tool_Project_Profile_Exception('Context must be of type string or Zend_Tool_Project_Context_Interface.');
}
$newResource = new Zend_Tool_Project_Profile_Resource($context);
if ($attributes) {
$newResource->setAttributes($attributes);
}
/**
* Interesting logic here:
*
* First set the parentResource (this will also be done inside append). This will allow
* the initialization routine to change the appendability of the parent resource. This
* is important to allow specific resources to be appendable by very specific sub-resources.
*/
$newResource->setParentResource($this);
$newResource->initializeContext();
$this->append($newResource);
return $newResource;
}
/**
* setAttributes()
*
* persist the attributes if the resource will accept them
*
* @param array $attributes
* @return Zend_Tool_Project_Profile_Resource_Container
*/
public function setAttributes(Array $attributes)
{
foreach ($attributes as $attrName => $attrValue) {
$setMethod = 'set' . $attrName;
if (method_exists($this, $setMethod)) {
$this->{$setMethod}($attrValue);
} else {
$this->setAttribute($attrName, $attrValue);
}
}
return $this;
}
/**
* getAttributes()
*
* @return array
*/
public function getAttributes()
{
return $this->_attributes;
}
/**
* setAttribute()
*
* @param string $name
* @param mixed $value
* @return Zend_Tool_Project_Profile_Resource_Container
*/
public function setAttribute($name, $value)
{
$this->_attributes[$name] = $value;
return $this;
}
/**
* getAttribute()
*
* @param string $name
* @return Zend_Tool_Project_Profile_Resource_Container
*/
public function getAttribute($name)
{
return (array_key_exists($name, $this->_attributes)) ? $this->_attributes[$name] : null;
}
/**
* setAppendable()
*
* @param bool $appendable
* @return Zend_Tool_Project_Profile_Resource_Container
*/
public function setAppendable($appendable)
{
$this->_appendable = (bool) $appendable;
return $this;
}
/**
* isAppendable()
*
* @return bool
*/
public function isAppendable()
{
return $this->_appendable;
}
/**
* setParentResource()
*
* @param Zend_Tool_Project_Profile_Resource_Container $parentResource
* @return Zend_Tool_Project_Profile_Resource_Container
*/
public function setParentResource(Zend_Tool_Project_Profile_Resource_Container $parentResource)
{
$this->_parentResource = $parentResource;
return $this;
}
/**
* getParentResource()
*
* @return Zend_Tool_Project_Profile_Resource_Container
*/
public function getParentResource()
{
return $this->_parentResource;
}
/**
* append()
*
* @param Zend_Tool_Project_Profile_Resource_Container $resource
* @return Zend_Tool_Project_Profile_Resource_Container
*/
public function append(Zend_Tool_Project_Profile_Resource_Container $resource)
{
if (!$this->isAppendable()) {
throw new Exception('Resource by name ' . (string) $this . ' is not appendable');
}
array_push($this->_subResources, $resource);
$resource->setParentResource($this);
return $this;
}
/**
* current() - required by RecursiveIterator
*
* @return Zend_Tool_Project_Profile_Resource
*/
public function current()
{
return current($this->_subResources);
}
/**
* key() - required by RecursiveIterator
*
* @return int
*/
public function key()
{
return key($this->_subResources);
}
/**
* next() - required by RecursiveIterator
*
* @return bool
*/
public function next()
{
return next($this->_subResources);
}
/**
* rewind() - required by RecursiveIterator
*
* @return bool
*/
public function rewind()
{
return reset($this->_subResources);
}
/**
* valid() - - required by RecursiveIterator
*
* @return bool
*/
public function valid()
{
return (bool) $this->current();
}
/**
* hasChildren()
*
* @return bool
*/
public function hasChildren()
{
return (count($this->_subResources > 0)) ? true : false;
}
/**
* getChildren()
*
* @return array
*/
public function getChildren()
{
return $this->current();
}
/**
* count()
*
* @return int
*/
public function count()
{
return count($this->_subResources);
}
/**
* __clone()
*
*/
public function __clone()
{
$this->rewind();
foreach ($this->_subResources as $index => $resource) {
$this->_subResources[$index] = clone $resource;
}
}
}
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