C:/xampp/htdocs/moodle/lib/zend/Zend/Service/Delicious/PostList.php

Go to the documentation of this file.

<?php

class Zend_Service_Delicious_PostList implements Countable, Iterator, ArrayAccess
{
    protected $_posts = array();

    protected $_service;

    protected $_iteratorKey = 0;

    public function __construct(Zend_Service_Delicious $service, $posts = null)
    {
        $this->_service = $service;
        if ($posts instanceof DOMNodeList) {
            $this->_constructFromNodeList($posts);
        } else if (is_array($posts)) {
            $this->_constructFromArray($posts);
        }
    }

    private function _constructFromNodeList(DOMNodeList $nodeList)
    {
        for ($i = 0; $i < $nodeList->length; $i++) {
            $curentNode = $nodeList->item($i);
            if($curentNode->nodeName == 'post') {
                $this->_addPost(new Zend_Service_Delicious_Post($this->_service, $curentNode));
            }
        }
    }

    private function _constructFromArray(array $postList)
    {
        foreach ($postList as $f_post) {
            $this->_addPost(new Zend_Service_Delicious_SimplePost($f_post));
        }
    }

    protected function _addPost(Zend_Service_Delicious_SimplePost $post)
    {
        $this->_posts[] = $post;

        return $this;
    }

    public function withTags(array $tags)
    {
        $postList = new self($this->_service);

        foreach ($this->_posts as $post) {
            if (count(array_diff($tags, $post->getTags())) == 0) {
                $postList->_addPost($post);
            }
        }

        return $postList;
    }

    public function withTag($tag)
    {
        return $this->withTags(func_get_args());
    }

    public function withUrl($regexp)
    {
        $postList = new self($this->_service);

        foreach ($this->_posts as $post) {
            if (preg_match($regexp, $post->getUrl())) {
                $postList->_addPost($post);
            }
        }

        return $postList;
    }

    public function count()
    {
        return count($this->_posts);
    }

    public function current()
    {
        return $this->_posts[$this->_iteratorKey];
    }

    public function key()
    {
        return $this->_iteratorKey;
    }

    public function next()
    {
        $this->_iteratorKey += 1;
    }

    public function rewind()
    {
        $this->_iteratorKey = 0;
    }

    public function valid()
    {
        $numItems = $this->count();

        if ($numItems > 0 && $this->_iteratorKey < $numItems) {
            return true;
        } else {
            return false;
        }
    }

    public function offsetExists($offset)
    {
        return ($offset < $this->count());
    }

    public function offsetGet($offset)
    {
        if ($this->offsetExists($offset)) {
            return $this->_posts[$offset];
        } else {
            throw new OutOfBoundsException('Illegal index');
        }
    }

    public function offsetSet($offset, $value)
    {
        require_once 'Zend/Service/Delicious/Exception.php';
        throw new Zend_Service_Delicious_Exception('You are trying to set read-only property');
    }

    public function offsetUnset($offset)
    {
        require_once 'Zend/Service/Delicious/Exception.php';
        throw new Zend_Service_Delicious_Exception('You are trying to unset read-only property');
    }
}