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41cc1b08
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Assos Assos
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<?php
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class SimplePie_Parser
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{
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var $error_code;
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var $error_string;
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var $current_line;
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var $current_column;
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var $current_byte;
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var $separator = ' ';
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var $namespace = array('');
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var $element = array('');
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var $xml_base = array('');
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var $xml_base_explicit = array(false);
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var $xml_lang = array('');
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var $data = array();
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var $datas = array(array());
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var $current_xhtml_construct = -1;
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var $encoding;
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protected $registry;
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public function set_registry(SimplePie_Registry $registry)
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{
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$this->registry = $registry;
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}
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public function parse(&$data, $encoding)
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{
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if (strtoupper($encoding) === 'US-ASCII')
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{
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$this->encoding = 'UTF-8';
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}
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else
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{
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$this->encoding = $encoding;
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}
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if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
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{
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$data = substr($data, 4);
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}
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elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
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{
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$data = substr($data, 4);
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}
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elseif (substr($data, 0, 2) === "\xFE\xFF")
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{
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$data = substr($data, 2);
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}
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elseif (substr($data, 0, 2) === "\xFF\xFE")
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{
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$data = substr($data, 2);
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}
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elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
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{
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$data = substr($data, 3);
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}
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if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
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{
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$declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5)));
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if ($declaration->parse())
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{
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$data = substr($data, $pos + 2);
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$data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
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}
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else
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{
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$this->error_string = 'SimplePie bug! Please report this!';
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return false;
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}
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}
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$return = true;
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static $xml_is_sane = null;
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if ($xml_is_sane === null)
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{
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$parser_check = xml_parser_create();
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xml_parse_into_struct($parser_check, '<foo>&</foo>', $values);
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xml_parser_free($parser_check);
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$xml_is_sane = isset($values[0]['value']);
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}
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if ($xml_is_sane)
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{
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$xml = xml_parser_create_ns($this->encoding, $this->separator);
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xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
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xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
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xml_set_object($xml, $this);
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xml_set_character_data_handler($xml, 'cdata');
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xml_set_element_handler($xml, 'tag_open', 'tag_close');
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if (!xml_parse($xml, $data, true))
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{
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$this->error_code = xml_get_error_code($xml);
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$this->error_string = xml_error_string($this->error_code);
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$return = false;
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}
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$this->current_line = xml_get_current_line_number($xml);
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$this->current_column = xml_get_current_column_number($xml);
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$this->current_byte = xml_get_current_byte_index($xml);
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xml_parser_free($xml);
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return $return;
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}
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else
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{
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libxml_clear_errors();
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$xml = new XMLReader();
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$xml->xml($data);
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while (@$xml->read())
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{
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switch ($xml->nodeType)
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{
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case constant('XMLReader::END_ELEMENT'):
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if ($xml->namespaceURI !== '')
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{
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$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
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}
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else
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{
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$tagName = $xml->localName;
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}
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$this->tag_close(null, $tagName);
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break;
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case constant('XMLReader::ELEMENT'):
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$empty = $xml->isEmptyElement;
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if ($xml->namespaceURI !== '')
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{
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$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
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}
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else
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{
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$tagName = $xml->localName;
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}
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$attributes = array();
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while ($xml->moveToNextAttribute())
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{
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if ($xml->namespaceURI !== '')
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{
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$attrName = $xml->namespaceURI . $this->separator . $xml->localName;
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}
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else
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{
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$attrName = $xml->localName;
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}
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$attributes[$attrName] = $xml->value;
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}
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$this->tag_open(null, $tagName, $attributes);
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if ($empty)
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{
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$this->tag_close(null, $tagName);
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}
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break;
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case constant('XMLReader::TEXT'):
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case constant('XMLReader::CDATA'):
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$this->cdata(null, $xml->value);
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break;
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}
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}
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if ($error = libxml_get_last_error())
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{
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$this->error_code = $error->code;
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$this->error_string = $error->message;
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$this->current_line = $error->line;
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$this->current_column = $error->column;
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return false;
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}
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else
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{
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return true;
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}
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}
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}
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public function get_error_code()
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{
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return $this->error_code;
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}
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public function get_error_string()
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{
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return $this->error_string;
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}
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public function get_current_line()
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{
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return $this->current_line;
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}
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public function get_current_column()
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{
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return $this->current_column;
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}
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257 |
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public function get_current_byte()
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{
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return $this->current_byte;
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}
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263 |
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public function get_data()
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264 |
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{
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265 |
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return $this->data;
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266 |
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}
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267 |
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268 |
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public function tag_open($parser, $tag, $attributes)
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{
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list($this->namespace[], $this->element[]) = $this->split_ns($tag);
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271 |
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$attribs = array();
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273 |
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foreach ($attributes as $name => $value)
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{
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list($attrib_namespace, $attribute) = $this->split_ns($name);
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$attribs[$attrib_namespace][$attribute] = $value;
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277 |
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}
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278 |
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279 |
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if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base']))
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280 |
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{
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281 |
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$base = $this->registry->call('Misc', 'absolutize_url', array($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base)));
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282 |
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if ($base !== false)
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283 |
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{
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284 |
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$this->xml_base[] = $base;
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285 |
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$this->xml_base_explicit[] = true;
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286 |
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}
|
287 |
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}
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288 |
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else
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289 |
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{
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290 |
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$this->xml_base[] = end($this->xml_base);
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291 |
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$this->xml_base_explicit[] = end($this->xml_base_explicit);
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292 |
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}
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293 |
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294 |
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if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang']))
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295 |
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{
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296 |
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$this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang'];
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297 |
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}
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298 |
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else
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299 |
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{
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300 |
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$this->xml_lang[] = end($this->xml_lang);
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301 |
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}
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302 |
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303 |
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if ($this->current_xhtml_construct >= 0)
|
304 |
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{
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305 |
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$this->current_xhtml_construct++;
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306 |
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if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML)
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307 |
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{
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308 |
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$this->data['data'] .= '<' . end($this->element);
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309 |
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if (isset($attribs['']))
|
310 |
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{
|
311 |
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foreach ($attribs[''] as $name => $value)
|
312 |
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{
|
313 |
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$this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
|
314 |
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}
|
315 |
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}
|
316 |
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$this->data['data'] .= '>';
|
317 |
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}
|
318 |
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}
|
319 |
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else
|
320 |
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{
|
321 |
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$this->datas[] =& $this->data;
|
322 |
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$this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
|
323 |
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$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));
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324 |
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if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml')
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325 |
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|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml')
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326 |
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|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_20 && in_array(end($this->element), array('title')))
|
327 |
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|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_090 && in_array(end($this->element), array('title')))
|
328 |
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|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_10 && in_array(end($this->element), array('title'))))
|
329 |
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{
|
330 |
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$this->current_xhtml_construct = 0;
|
331 |
|
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}
|
332 |
|
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}
|
333 |
|
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}
|
334 |
|
|
|
335 |
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public function cdata($parser, $cdata)
|
336 |
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{
|
337 |
|
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if ($this->current_xhtml_construct >= 0)
|
338 |
|
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{
|
339 |
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$this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
|
340 |
|
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}
|
341 |
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else
|
342 |
|
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{
|
343 |
|
|
$this->data['data'] .= $cdata;
|
344 |
|
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}
|
345 |
|
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}
|
346 |
|
|
|
347 |
|
|
public function tag_close($parser, $tag)
|
348 |
|
|
{
|
349 |
|
|
if ($this->current_xhtml_construct >= 0)
|
350 |
|
|
{
|
351 |
|
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$this->current_xhtml_construct--;
|
352 |
|
|
if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param')))
|
353 |
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{
|
354 |
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$this->data['data'] .= '</' . end($this->element) . '>';
|
355 |
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}
|
356 |
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}
|
357 |
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|
if ($this->current_xhtml_construct === -1)
|
358 |
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{
|
359 |
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$this->data =& $this->datas[count($this->datas) - 1];
|
360 |
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array_pop($this->datas);
|
361 |
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}
|
362 |
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|
363 |
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array_pop($this->element);
|
364 |
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array_pop($this->namespace);
|
365 |
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array_pop($this->xml_base);
|
366 |
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array_pop($this->xml_base_explicit);
|
367 |
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array_pop($this->xml_lang);
|
368 |
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}
|
369 |
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|
370 |
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|
public function split_ns($string)
|
371 |
|
|
{
|
372 |
|
|
static $cache = array();
|
373 |
|
|
if (!isset($cache[$string]))
|
374 |
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{
|
375 |
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|
if ($pos = strpos($string, $this->separator))
|
376 |
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|
{
|
377 |
|
|
static $separator_length;
|
378 |
|
|
if (!$separator_length)
|
379 |
|
|
{
|
380 |
|
|
$separator_length = strlen($this->separator);
|
381 |
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}
|
382 |
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$namespace = substr($string, 0, $pos);
|
383 |
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$local_name = substr($string, $pos + $separator_length);
|
384 |
|
|
if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES)
|
385 |
|
|
{
|
386 |
|
|
$namespace = SIMPLEPIE_NAMESPACE_ITUNES;
|
387 |
|
|
}
|
388 |
|
|
|
389 |
|
|
|
390 |
|
|
if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG ||
|
391 |
|
|
$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 ||
|
392 |
|
|
$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 ||
|
393 |
|
|
$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 ||
|
394 |
|
|
$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 )
|
395 |
|
|
{
|
396 |
|
|
$namespace = SIMPLEPIE_NAMESPACE_MEDIARSS;
|
397 |
|
|
}
|
398 |
|
|
$cache[$string] = array($namespace, $local_name);
|
399 |
|
|
}
|
400 |
|
|
else
|
401 |
|
|
{
|
402 |
|
|
$cache[$string] = array('', $string);
|
403 |
|
|
}
|
404 |
|
|
}
|
405 |
|
|
return $cache[$string];
|
406 |
|
|
}
|
407 |
|
|
} |