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103 lines
3.1 KiB
PHP
103 lines
3.1 KiB
PHP
<?php
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/*
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Copyright 2006 Redshift Software, Inc.
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
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*/
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function _field_cmp_key_($a,$b)
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{ return strcmp($a['key'],$b['key']); }
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function _field_cmp_title_($a,$b)
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{ return strcmp($a['title'],$b['title']); }
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function _field_cmp_description_($a,$b)
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{ return strcmp($a['description'],$b['description']); }
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function _field_cmp_guid_($a,$b)
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{ return strcmp($a['guid'],$b['guid']); }
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function _field_cmp_pubdate_($a,$b)
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{ return _field_cmp_less_($b['pubdate'],$a['pubdate']); }
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function _field_cmp_less_($i,$j)
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{
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return ($i == $j) ? 0 : (($i < $j) ? -1 : 1);
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}
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function _field_cmp_($r,$a,$b)
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{
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if ($r == 0) { return _field_cmp_pubDate_($a,$b); }
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else { return $r; }
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}
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class boost_feed
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{
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var $db = array();
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function boost_feed($xml_file,$item_base_uri)
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{
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$xml = implode("",file($xml_file));
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$parser = xml_parser_create();
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
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xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
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xml_parse_into_struct($parser, $xml, $values);
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xml_parser_free($parser);
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##print '<!-- '; print_r($values); print ' -->';
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$item = NULL;
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foreach ( $values as $key => $val )
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{
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if ($val['tag'] == 'item' && $val['type'] == 'open')
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{
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$item = array();
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}
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else if ($val['type'] == 'complete')
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{
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switch (strtolower($val['tag']))
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{
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case 'title':
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case 'description':
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case 'guid':
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case 'pubdate':
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{
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if (isset($val['value']))
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{
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$item[strtolower($val['tag'])] = html_entity_decode(trim($val['value']));
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switch (strtolower($val['tag']))
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{
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case 'pubdate':
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$item['pubdate'] = strtotime($item['pubdate']);
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break;
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case 'guid':
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if (preg_match("@[{]([^}]+)[}]@",$item['guid'],$guid))
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{
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$item['guid'] = $guid[1];
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}
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$item['link'] = $item_base_uri.'/'.$item['guid'];
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break;
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}
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}
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else { $item[$val['tag']] = ''; }
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}
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break;
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}
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}
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else if ($val['tag'] == 'item' && $val['type'] == 'close' && $item)
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{
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$this->db[$item['guid']] = $item;
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$item = NULL;
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}
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}
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}
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function sort_by($field)
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{
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$f = '_field_cmp_'.strtolower(str_replace('-','_',$field)).'_';
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uasort($this->db,$f);
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}
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}
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?>
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