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 * @author    James Stewart <james@jystewart.net>
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 * @author    James Stewart <james@jystewart.net>
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 * @version    Release: @package_version@
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 * @version    Release: @package_version@
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 * @package XML_Feed_Parser
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 * @package XML_Feed_Parser
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 * @todo    Find a Relax NG URI we can use
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 * @todo    Find a Relax NG URI we can use
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 */
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 */
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class XML_Feed_Parser_RSS09 extends XML_Feed_Parser_Type
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class XmlFeedParserRss09 extends XmlFeedParserType {
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{
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    /**
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    /**
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     * The URI of the RelaxNG schema used to (optionally) validate the feed
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     * The URI of the RelaxNG schema used to (optionally) validate the feed
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     * @var string
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     * @var string
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     */
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     */
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    protected $relax = '';
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    protected $relax = '';
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    /**
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    /**
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     * The class used to represent individual items
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     * The class used to represent individual items
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     * @var string
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     * @var string
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     */
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     */
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    protected $itemClass = 'XML_Feed_Parser_RSS09Element';
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    protected $itemClass = 'XmlFeedParserRss09Element';
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    /**
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    /**
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     * The element containing entries
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     * The element containing entries
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     *
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     *
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     * @todo    RelaxNG validation
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     * @todo    RelaxNG validation
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     * @param    DOMDocument    $xml    A DOM object representing the feed
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     * @param    DOMDocument    $xml    A DOM object representing the feed
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     * @param    bool (optional) $string    Whether or not to validate this feed
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     * @param    bool (optional) $string    Whether or not to validate this feed
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     */
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     */
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    function __construct(DOMDocument $model, $strict = false)
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    function __construct(DOMDocument $model, $strict = false) {
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    {
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        $this->model = $model;
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        $this->model = $model;
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        $this->xpath = new DOMXPath($model);
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        $this->xpath = new DOMXPath($model);
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        foreach ($this->namespaces as $key => $value) {
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        foreach ($this->namespaces as $key => $value) {
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     * clear restrictions on the global uniqueness of IDs.
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     * clear restrictions on the global uniqueness of IDs.
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     *
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     *
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     * @param    string    $id    any valid ID.
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     * @param    string    $id    any valid ID.
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     * @return    false
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     * @return    false
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     */
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     */
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    function getEntryById($id)
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    function getEntryById($id) {
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    {
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        return false;
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        return false;
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    }
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    }
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    /**
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    /**
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     * Get details of the image associated with the feed.
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     * Get details of the image associated with the feed.
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     *
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     *
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     * @return  array|false an array simply containing the child elements
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     * @return  array|false an array simply containing the child elements
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     */
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     */
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    protected function getImage()
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    {
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    protected function getImage() {
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        $images = $this->model->getElementsByTagName('image');
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        $images = $this->model->getElementsByTagName('image');
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        if ($images->length > 0) {
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        if ($images->length > 0) {
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            $image = $images->item(0);
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            $image = $images->item(0);
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            $details = array();
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            $details = array();
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     * The textinput element is little used, but in the interests of
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     * The textinput element is little used, but in the interests of
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     * completeness we will support it.
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     * completeness we will support it.
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     *
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     *
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     * @return  array|false
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     * @return  array|false
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     */
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     */
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    protected function getTextInput()
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    protected function getTextInput() {
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    {
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        $inputs = $this->model->getElementsByTagName('textinput');
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        $inputs = $this->model->getElementsByTagName('textinput');
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        if ($inputs->length > 0) {
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        if ($inputs->length > 0) {
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            $input = $inputs->item(0);
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            $input = $inputs->item(0);
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            $results = array();
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            $results = array();
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            $results['title'] = isset(
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            $results['title'] = isset(
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     * In RSS1 a link is a text element but in order to ensure that we resolve
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     * In RSS1 a link is a text element but in order to ensure that we resolve
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     * URLs properly we have a special function for them.
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     * URLs properly we have a special function for them.
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     *
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     *
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     * @return  string
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     * @return  string
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     */
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     */
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    function getLink($offset = 0, $attribute = 'href', $params = false)
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    function getLink($offset = 0, $attribute = 'href', $params = false) {
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    {
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        $links = $this->model->getElementsByTagName('link');
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        $links = $this->model->getElementsByTagName('link');
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        if ($links->length <= $offset) {
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        if ($links->length <= $offset) {
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            return false;
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            return false;
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        }
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        }
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        $link = $links->item($offset);
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        $link = $links->item($offset);