/', '', $data);
}
}
if ($type & SIMPLEPIE_CONSTRUCT_IRI) {
$data = $this->registry->call('Misc', 'absolutize_url', array($data, $base));
}
if ($type & (SIMPLEPIE_CONSTRUCT_TEXT | SIMPLEPIE_CONSTRUCT_IRI)) {
$data = htmlspecialchars($data, ENT_COMPAT, 'UTF-8');
}
if ($this->output_encoding !== 'UTF-8') {
$data = $this->registry->call('Misc', 'change_encoding', array($data, 'UTF-8', $this->output_encoding));
}
}
return $data;
}
protected function preprocess($html, $type) {
$ret = '';
if ($type & ~SIMPLEPIE_CONSTRUCT_XHTML) {
// Atom XHTML constructs are wrapped with a div by default
// Note: No protection if $html contains a stray
!
$html = '' . $html . '
';
$ret .= '';
$content_type = 'text/html';
}
else {
$ret .= '';
$content_type = 'application/xhtml+xml';
}
$ret .= '';
$ret .= '';
$ret .= '' . $html . '';
return $ret;
}
public function replace_urls($document, $tag, $attributes) {
if (!is_array($attributes)) {
$attributes = array($attributes);
}
if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags)) {
$elements = $document->getElementsByTagName($tag);
foreach ($elements as $element) {
foreach ($attributes as $attribute) {
if ($element->hasAttribute($attribute)) {
$value = $this->registry->call('Misc', 'absolutize_url', array($element->getAttribute($attribute), $this->base));
$element->setAttribute($attribute, $value);
}
}
}
}
}
public function do_strip_htmltags($match) {
if ($this->encode_instead_of_strip) {
if (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style'))) {
$match[1] = htmlspecialchars($match[1], ENT_COMPAT, 'UTF-8');
$match[2] = htmlspecialchars($match[2], ENT_COMPAT, 'UTF-8');
return "<$match[1]$match[2]>$match[3]</$match[1]>";
}
else {
return htmlspecialchars($match[0], ENT_COMPAT, 'UTF-8');
}
}
elseif (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style'))) {
return $match[4];
}
else {
return '';
}
}
protected function strip_tag($tag, $document, $type) {
$xpath = new DOMXPath($document);
$elements = $xpath->query('body//' . $tag);
if ($this->encode_instead_of_strip) {
foreach ($elements as $element) {
$fragment = $document->createDocumentFragment();
// For elements which aren't script or style, include the tag itself
if (!in_array($tag, array('script', 'style'))) {
$text = '<' . $tag;
if ($element->hasAttributes()) {
$attrs = array();
foreach ($element->attributes as $name => $attr) {
$value = $attr->value;
// In XHTML, empty values should never exist, so we repeat the value
if (empty($value) && ($type & SIMPLEPIE_CONSTRUCT_XHTML)) {
$value = $name;
}
// For HTML, empty is fine
elseif (empty($value) && ($type & SIMPLEPIE_CONSTRUCT_HTML)) {
$attrs[] = $name;
continue;
}
// Standard attribute text
$attrs[] = $name . '="' . $attr->value . '"';
}
$text .= ' ' . implode(' ', $attrs);
}
$text .= '>';
$fragment->appendChild(new DOMText($text));
}
$number = $element->childNodes->length;
for ($i = $number; $i > 0; $i--) {
$child = $element->childNodes->item(0);
$fragment->appendChild($child);
}
if (!in_array($tag, array('script', 'style'))) {
$fragment->appendChild(new DOMText(''));
}
$element->parentNode->replaceChild($fragment, $element);
}
return;
}
elseif (in_array($tag, array('script', 'style'))) {
foreach ($elements as $element) {
$element->parentNode->removeChild($element);
}
return;
}
else {
foreach ($elements as $element) {
$fragment = $document->createDocumentFragment();
$number = $element->childNodes->length;
for ($i = $number; $i > 0; $i--) {
$child = $element->childNodes->item(0);
$fragment->appendChild($child);
}
$element->parentNode->replaceChild($fragment, $element);
}
}
}
protected function strip_attr($attrib, $document) {
$xpath = new DOMXPath($document);
$elements = $xpath->query('//*[@' . $attrib . ']');
foreach ($elements as $element) {
$element->removeAttribute($attrib);
}
}
}
class SimplePie_Source {
var $item;
var $data = array();
protected $registry;
public function __construct($item, $data) {
$this->item = $item;
$this->data = $data;
}
public function set_registry(SimplePie_Registry $registry) {
$this->registry = $registry;
}
public function __toString() {
return md5(serialize($this->data));
}
public function get_source_tags($namespace, $tag) {
if (isset($this->data['child'][$namespace][$tag])) {
return $this->data['child'][$namespace][$tag];
}
else {
return null;
}
}
public function get_base($element = array()) {
return $this->item->get_base($element);
}
public function sanitize($data, $type, $base = '') {
return $this->item->sanitize($data, $type, $base);
}
public function get_item() {
return $this->item;
}
public function get_title() {
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) {
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) {
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
else {
return null;
}
}
public function get_category($key = 0) {
$categories = $this->get_categories();
if (isset($categories[$key])) {
return $categories[$key];
}
else {
return null;
}
}
public function get_categories() {
$categories = array();
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category) {
$term = null;
$scheme = null;
$label = null;
if (isset($category['attribs']['']['term'])) {
$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if (isset($category['attribs']['']['scheme'])) {
$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if (isset($category['attribs']['']['label'])) {
$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
}
$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
}
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category) {
// This is really the label, but keep this as the term also for BC.
// Label will also work on retrieving because that falls back to term.
$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
if (isset($category['attribs']['']['domain'])) {
$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
}
else {
$scheme = null;
}
$categories[] = $this->registry->create('Category', array($term, $scheme, null));
}
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category) {
$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
}
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category) {
$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
}
if (!empty($categories)) {
return array_unique($categories);
}
else {
return null;
}
}
public function get_author($key = 0) {
$authors = $this->get_authors();
if (isset($authors[$key])) {
return $authors[$key];
}
else {
return null;
}
}
public function get_authors() {
$authors = array();
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) {
$name = null;
$uri = null;
$email = null;
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) {
$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) {
$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
}
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) {
$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if ($name !== null || $email !== null || $uri !== null) {
$authors[] = $this->registry->create('Author', array($name, $uri, $email));
}
}
if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) {
$name = null;
$url = null;
$email = null;
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) {
$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) {
$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
}
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) {
$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if ($name !== null || $email !== null || $url !== null) {
$authors[] = $this->registry->create('Author', array($name, $url, $email));
}
}
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) {
$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
}
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) {
$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
}
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) {
$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
}
if (!empty($authors)) {
return array_unique($authors);
}
else {
return null;
}
}
public function get_contributor($key = 0) {
$contributors = $this->get_contributors();
if (isset($contributors[$key])) {
return $contributors[$key];
}
else {
return null;
}
}
public function get_contributors() {
$contributors = array();
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) {
$name = null;
$uri = null;
$email = null;
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) {
$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) {
$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
}
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) {
$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if ($name !== null || $email !== null || $uri !== null) {
$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
}
}
foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) {
$name = null;
$url = null;
$email = null;
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) {
$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) {
$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
}
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) {
$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
if ($name !== null || $email !== null || $url !== null) {
$contributors[] = $this->registry->create('Author', array($name, $url, $email));
}
}
if (!empty($contributors)) {
return array_unique($contributors);
}
else {
return null;
}
}
public function get_link($key = 0, $rel = 'alternate') {
$links = $this->get_links($rel);
if (isset($links[$key])) {
return $links[$key];
}
else {
return null;
}
}
public function get_permalink() {
return $this->get_link(0);
}
public function get_links($rel = 'alternate') {
if (!isset($this->data['links'])) {
$this->data['links'] = array();
if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link')) {
foreach ($links as $link) {
if (isset($link['attribs']['']['href'])) {
$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
}
}
}
if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link')) {
foreach ($links as $link) {
if (isset($link['attribs']['']['href'])) {
$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
}
}
}
if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) {
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
}
if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) {
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
}
if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) {
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
}
$keys = array_keys($this->data['links']);
foreach ($keys as $key) {
if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key))) {
if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) {
$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
}
else {
$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
}
}
elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) {
$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
}
$this->data['links'][$key] = array_unique($this->data['links'][$key]);
}
}
if (isset($this->data['links'][$rel])) {
return $this->data['links'][$rel];
}
else {
return null;
}
}
public function get_description() {
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle')) {
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline')) {
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
}
else {
return null;
}
}
public function get_copyright() {
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) {
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright')) {
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
else {
return null;
}
}
public function get_language() {
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
}
elseif (isset($this->data['xml_lang'])) {
return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
}
else {
return null;
}
}
public function get_latitude() {
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) {
return (float) $return[0]['data'];
}
elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) {
return (float) $match[1];
}
else {
return null;
}
}
public function get_longitude() {
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) {
return (float) $return[0]['data'];
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) {
return (float) $return[0]['data'];
}
elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) {
return (float) $match[2];
}
else {
return null;
}
}
public function get_image_url() {
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image')) {
return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
}
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon')) {
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
}
else {
return null;
}
}
}
class SimplePie_XML_Declaration_Parser {
var $version = '1.0';
var $encoding = 'UTF-8';
var $standalone = false;
var $state = 'before_version_name';
var $data = '';
var $data_length = 0;
var $position = 0;
public function __construct($data) {
$this->data = $data;
$this->data_length = strlen($this->data);
}
public function parse() {
while ($this->state && $this->state !== 'emit' && $this->has_data()) {
$state = $this->state;
$this->$state();
}
$this->data = '';
if ($this->state === 'emit') {
return true;
}
else {
$this->version = '';
$this->encoding = '';
$this->standalone = '';
return false;
}
}
public function has_data() {
return (bool) ($this->position < $this->data_length);
}
public function skip_whitespace() {
$whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position);
$this->position += $whitespace;
return $whitespace;
}
public function get_value() {
$quote = substr($this->data, $this->position, 1);
if ($quote === '"' || $quote === "'") {
$this->position++;
$len = strcspn($this->data, $quote, $this->position);
if ($this->has_data()) {
$value = substr($this->data, $this->position, $len);
$this->position += $len + 1;
return $value;
}
}
return false;
}
public function before_version_name() {
if ($this->skip_whitespace()) {
$this->state = 'version_name';
}
else {
$this->state = false;
}
}
public function version_name() {
if (substr($this->data, $this->position, 7) === 'version') {
$this->position += 7;
$this->skip_whitespace();
$this->state = 'version_equals';
}
else {
$this->state = false;
}
}
public function version_equals() {
if (substr($this->data, $this->position, 1) === '=') {
$this->position++;
$this->skip_whitespace();
$this->state = 'version_value';
}
else {
$this->state = false;
}
}
public function version_value() {
if ($this->version = $this->get_value()) {
$this->skip_whitespace();
if ($this->has_data()) {
$this->state = 'encoding_name';
}
else {
$this->state = 'emit';
}
}
else {
$this->state = false;
}
}
public function encoding_name() {
if (substr($this->data, $this->position, 8) === 'encoding') {
$this->position += 8;
$this->skip_whitespace();
$this->state = 'encoding_equals';
}
else {
$this->state = 'standalone_name';
}
}
public function encoding_equals() {
if (substr($this->data, $this->position, 1) === '=') {
$this->position++;
$this->skip_whitespace();
$this->state = 'encoding_value';
}
else {
$this->state = false;
}
}
public function encoding_value() {
if ($this->encoding = $this->get_value()) {
$this->skip_whitespace();
if ($this->has_data()) {
$this->state = 'standalone_name';
}
else {
$this->state = 'emit';
}
}
else {
$this->state = false;
}
}
public function standalone_name() {
if (substr($this->data, $this->position, 10) === 'standalone') {
$this->position += 10;
$this->skip_whitespace();
$this->state = 'standalone_equals';
}
else {
$this->state = false;
}
}
public function standalone_equals() {
if (substr($this->data, $this->position, 1) === '=') {
$this->position++;
$this->skip_whitespace();
$this->state = 'standalone_value';
}
else {
$this->state = false;
}
}
public function standalone_value() {
if ($standalone = $this->get_value()) {
switch ($standalone) {
case 'yes':
$this->standalone = true;
break;
case 'no':
$this->standalone = false;
break;
default:
$this->state = false;
return;
}
$this->skip_whitespace();
if ($this->has_data()) {
$this->state = false;
}
else {
$this->state = 'emit';
}
}
else {
$this->state = false;
}
}
}