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<?php |
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// |
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// ------------------------------------------------------------------------ // |
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// This program is free software; you can redistribute it and/or modify // |
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// it under the terms of the GNU General Public License as published by // |
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// the Free Software Foundation; either version 2 of the License, or // |
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// (at your option) any later version. // |
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// // |
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// You may not change or alter any portion of this comment or credits // |
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// of supporting developers from this source code or any supporting // |
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// source code which is considered copyrighted (c) material of the // |
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// original comment or credit authors. // |
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// // |
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// This program is distributed in the hope that it will be useful, // |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of // |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // |
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// GNU General Public License for more details. // |
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// // |
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// You should have received a copy of the GNU General Public License // |
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// along with this program; if not, write to the Free Software // |
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // |
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// ------------------------------------------------------------------------ // |
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// Author: phppp (D.J., [email protected]) // |
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// URL: http://xoops.org // |
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// Project: Article Project // |
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// ------------------------------------------------------------------------ // |
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/** |
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* @package module::blogline |
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* @copyright copyright © 2005 XoopsForge.com |
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*/ |
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global $msg; |
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require_once XOOPS_ROOT_PATH . '/modules/' . $GLOBALS['moddirname'] . '/class/magpie.inc.php'; |
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/** |
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* XmlParser |
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* |
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* @author D.J. (phppp) |
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* @copyright copyright © 2005 XoopsForge.com |
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* @package module::article |
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* |
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* {@link MagpieRSS} |
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**/ |
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class xmlparser extends MagpieRSS |
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{ |
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public $content; |
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public $charset_in; |
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public $charset_out; |
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/** |
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* Set up XML parser, parse source, and return populated RSS object.. |
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* |
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* @param string $content string containing the RSS to be parsed |
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* |
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* |
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* @param string $input_charset |
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* @param null|string $output_charset |
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* @param array $tags |
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* @internal param string $output_encoding output the parsed RSS in this character |
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* set defaults to ISO-8859-1 as this is PHP's |
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* default. |
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* |
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* @internal param string $input_encoding the character set of the incoming RSS source. |
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* Leave blank and Magpie will try to figure it |
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* out. |
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*/ |
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public function __construct($content, $input_charset, $output_charset = _CHARSET, $tags = array()) { |
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if (!in_array(strtoupper($input_charset), array('UTF-8', 'US-ASCII', 'ISO-8859-1'))) { |
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$content = XoopsLocal::convert_encoding($content, 'UTF-8', $input_charset); |
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$content = preg_replace('/(<\?xml.*encoding=[\'"])(.*?)([\'"].*\?>)/m', '$1UTF-8$3', $content); |
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$input_charset = 'UTF-8'; |
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} |
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$this->content = $content; |
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$this->charset_in = $input_charset; |
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$this->charset_out = $output_charset; |
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/* TODO: parse specified tags only */ |
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parent::__construct($content, $input_charset, $input_charset, false); |
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//xoops_message($this); |
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unset($this->content); |
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$this->encoding_convert($tags); |
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} |
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/** |
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* @return bool|string |
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*/ |
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public function is_atom() { |
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if ($this->feed_type == ATOM) { |
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$this->feed_version = empty($this->feed_version) ? '0.3' : $this->feed_version; |
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return $this->feed_version; |
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} else { |
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return false; |
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} |
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} |
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public function normalize() { |
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if ($this->is_atom()): |
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if (empty($this->channel['tagline'])) { |
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/* ATOM */ |
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$this->channel['tagline'] = @$this->channel['subtitle']; |
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unset($this->channel['subtitle']); |
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} |
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for ($i = 0, $iMax = count($this->items); $i < $iMax; ++$i) { |
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// ATOM time |
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if ($date = @$this->items[$i]['modified']) { |
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continue; |
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} |
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if (empty($date)) { |
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$date = @$this->items[$i]['updated']; |
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} |
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if (empty($date)) { |
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$date = @$this->items[$i]['issued']; |
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} |
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if (empty($date)) { |
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$date = @$this->items[$i]['created']; |
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} |
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if (empty($date)) { |
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$date = @$this->items[$i]['created']; |
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} |
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$this->items[$i]['modified'] = $date; |
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} |
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elseif ($this->is_rss() !== '1.0'): |
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for ($i = 0, $iMax = count($this->items); $i < $iMax; ++$i) { |
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if ($date = @$this->items[$i]['pubdate']) { |
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continue; |
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} |
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$this->items[$i]['pubdate'] = @$this->items[$i]['dc']['date']; |
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} |
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endif; |
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parent::normalize(); |
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/* ATOM */ |
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if (empty($this->channel['language']) && !empty($this->channel['dc']['language'])) { |
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$this->channel['language'] = $this->channel['dc']['language']; |
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unset($this->channel['dc']['language']); |
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} |
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View Code Duplication |
if (empty($this->channel['language']) |
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&& preg_match('/<link.*hreflang=[\'"](.*?)[\'"].*?>/m', $this->content, $match) |
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) { |
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$this->channel['language'] = $match[1]; |
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} |
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View Code Duplication |
if (empty($this->channel['language']) |
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&& preg_match('/<feed.*xml:lang=[\'"](.*?)[\'"].*?>/m', $this->content, $match) |
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) { |
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$this->channel['language'] = $match[1]; |
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} |
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/* remove to avoid redundant encoding conversion */ |
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if (!empty($this->channel['tagline'])) { |
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unset($this->channel['tagline']); |
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} |
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for ($i = 0, $iMax = count($this->items); $i < $iMax; ++$i) { |
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if ($date_timestamp = @$this->items[$i]['date_timestamp']) { |
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continue; |
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} |
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if ($date_timestamp = @$this->items[$i]['pubdate']) { |
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$this->items[$i]['date_timestamp'] = $date_timestamp; |
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} elseif ($date_timestamp = @$this->items[$i]['dc']['date']) { |
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$this->items[$i]['date_timestamp'] = $date_timestamp; |
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} else { |
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$this->items[$i]['date_timestamp'] = time(); |
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} |
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if (!is_numeric($this->items[$i]['date_timestamp'])) { |
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if ($date = parse_w3cdtf($this->items[$i]['date_timestamp'])) { |
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$this->items[$i]['date_timestamp'] = $date; |
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} elseif ($date = strtotime($this->items[$i]['date_timestamp'])) { |
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$this->items[$i]['date_timestamp'] = $date; |
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} |
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} |
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/* remove to avoid redundant encoding conversion */ |
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if (isset($this->items[$i]['summary'])) { |
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unset($this->items[$i]['summary']); |
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} |
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if (isset($this->items[$i]['atom_content'])) { |
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unset($this->items[$i]['atom_content']); |
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} |
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} |
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return; |
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} |
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/** |
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* @param array $tags |
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*/ |
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public function encoding_convert($tags = array()) { |
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if (empty($tags) || in_array('channel', $tags)) { |
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$this->channel = $this->_encoding($this->channel); |
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} |
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if (empty($tags) || in_array('items', $tags)) { |
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$this->items = $this->_encoding($this->items); |
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} |
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} |
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/** |
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* @param $val |
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* @return array|mixed|string |
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*/ |
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View Code Duplication |
public function _encoding($val) { |
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if (is_array($val)) { |
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foreach (array_keys($val) as $key) { |
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$val[$key] = $this->_encoding($val[$key]); |
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} |
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} else { |
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$val = XoopsLocal::convert_encoding($val, $this->charset_out, $this->charset_in); |
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} |
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return $val; |
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} |
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} |
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In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: