registry = $registry;
}
public function parse(&$data, $encoding)
{
// Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
if (strtoupper($encoding) === 'US-ASCII')
{
$this->encoding = 'UTF-8';
}
else
{
$this->encoding = $encoding;
}
// Strip BOM:
// UTF-32 Big Endian BOM
if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
{
$data = substr($data, 4);
}
// UTF-32 Little Endian BOM
elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
{
$data = substr($data, 4);
}
// UTF-16 Big Endian BOM
elseif (substr($data, 0, 2) === "\xFE\xFF")
{
$data = substr($data, 2);
}
// UTF-16 Little Endian BOM
elseif (substr($data, 0, 2) === "\xFF\xFE")
{
$data = substr($data, 2);
}
// UTF-8 BOM
elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
{
$data = substr($data, 3);
}
if (substr($data, 0, 5) === '')) !== false)
{
$declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5)));
if ($declaration->parse())
{
$data = substr($data, $pos + 2);
$data = 'version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
}
else
{
$this->error_string = 'SimplePie bug! Please report this!';
return false;
}
}
$return = true;
static $xml_is_sane = null;
if ($xml_is_sane === null)
{
$parser_check = xml_parser_create();
xml_parse_into_struct($parser_check, '&', $values);
xml_parser_free($parser_check);
$xml_is_sane = isset($values[0]['value']);
}
// Create the parser
if ($xml_is_sane)
{
$xml = xml_parser_create_ns($this->encoding, $this->separator);
xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
xml_set_object($xml, $this);
xml_set_character_data_handler($xml, 'cdata');
xml_set_element_handler($xml, 'tag_open', 'tag_close');
// Parse!
if (!xml_parse($xml, $data, true))
{
$this->error_code = xml_get_error_code($xml);
$this->error_string = xml_error_string($this->error_code);
$return = false;
}
$this->current_line = xml_get_current_line_number($xml);
$this->current_column = xml_get_current_column_number($xml);
$this->current_byte = xml_get_current_byte_index($xml);
xml_parser_free($xml);
return $return;
}
else
{
libxml_clear_errors();
$xml = new XMLReader();
$xml->xml($data);
while (@$xml->read())
{
switch ($xml->nodeType)
{
case constant('XMLReader::END_ELEMENT'):
if ($xml->namespaceURI !== '')
{
$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
}
else
{
$tagName = $xml->localName;
}
$this->tag_close(null, $tagName);
break;
case constant('XMLReader::ELEMENT'):
$empty = $xml->isEmptyElement;
if ($xml->namespaceURI !== '')
{
$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
}
else
{
$tagName = $xml->localName;
}
$attributes = array();
while ($xml->moveToNextAttribute())
{
if ($xml->namespaceURI !== '')
{
$attrName = $xml->namespaceURI . $this->separator . $xml->localName;
}
else
{
$attrName = $xml->localName;
}
$attributes[$attrName] = $xml->value;
}
$this->tag_open(null, $tagName, $attributes);
if ($empty)
{
$this->tag_close(null, $tagName);
}
break;
case constant('XMLReader::TEXT'):
case constant('XMLReader::CDATA'):
$this->cdata(null, $xml->value);
break;
}
}
if ($error = libxml_get_last_error())
{
$this->error_code = $error->code;
$this->error_string = $error->message;
$this->current_line = $error->line;
$this->current_column = $error->column;
return false;
}
else
{
return true;
}
}
}
public function get_error_code()
{
return $this->error_code;
}
public function get_error_string()
{
return $this->error_string;
}
public function get_current_line()
{
return $this->current_line;
}
public function get_current_column()
{
return $this->current_column;
}
public function get_current_byte()
{
return $this->current_byte;
}
public function get_data()
{
return $this->data;
}
public function tag_open($parser, $tag, $attributes)
{
list($this->namespace[], $this->element[]) = $this->split_ns($tag);
$attribs = array();
foreach ($attributes as $name => $value)
{
list($attrib_namespace, $attribute) = $this->split_ns($name);
$attribs[$attrib_namespace][$attribute] = $value;
}
if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base']))
{
$base = $this->registry->call('Misc', 'absolutize_url', array($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base)));
if ($base !== false)
{
$this->xml_base[] = $base;
$this->xml_base_explicit[] = true;
}
}
else
{
$this->xml_base[] = end($this->xml_base);
$this->xml_base_explicit[] = end($this->xml_base_explicit);
}
if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang']))
{
$this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang'];
}
else
{
$this->xml_lang[] = end($this->xml_lang);
}
if ($this->current_xhtml_construct >= 0)
{
$this->current_xhtml_construct++;
if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML)
{
$this->data['data'] .= '<' . end($this->element);
if (isset($attribs['']))
{
foreach ($attribs[''] as $name => $value)
{
$this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
}
}
$this->data['data'] .= '>';
}
}
else
{
$this->datas[] =& $this->data;
$this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
$this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang));
if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml')
|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml')
|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_20 && in_array(end($this->element), array('title')))
|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_090 && in_array(end($this->element), array('title')))
|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_10 && in_array(end($this->element), array('title'))))
{
$this->current_xhtml_construct = 0;
}
}
}
public function cdata($parser, $cdata)
{
if ($this->current_xhtml_construct >= 0)
{
$this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
}
else
{
$this->data['data'] .= $cdata;
}
}
public function tag_close($parser, $tag)
{
if ($this->current_xhtml_construct >= 0)
{
$this->current_xhtml_construct--;
if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param')))
{
$this->data['data'] .= 'element) . '>';
}
}
if ($this->current_xhtml_construct === -1)
{
$this->data =& $this->datas[count($this->datas) - 1];
array_pop($this->datas);
}
array_pop($this->element);
array_pop($this->namespace);
array_pop($this->xml_base);
array_pop($this->xml_base_explicit);
array_pop($this->xml_lang);
}
public function split_ns($string)
{
static $cache = array();
if (!isset($cache[$string]))
{
if ($pos = strpos($string, $this->separator))
{
static $separator_length;
if (!$separator_length)
{
$separator_length = strlen($this->separator);
}
$namespace = substr($string, 0, $pos);
$local_name = substr($string, $pos + $separator_length);
if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES)
{
$namespace = SIMPLEPIE_NAMESPACE_ITUNES;
}
// Normalize the Media RSS namespaces
if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG ||
$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 ||
$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 ||
$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 ||
$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 )
{
$namespace = SIMPLEPIE_NAMESPACE_MEDIARSS;
}
$cache[$string] = array($namespace, $local_name);
}
else
{
$cache[$string] = array('', $string);
}
}
return $cache[$string];
}
}