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<?php
/*
* Created on 10/05/2006
*/
class api_index
{
const API_URL = '';
private $_index;
private $_api;
public function __construct($index_file, $api)
{
$this->_api = $api;
$this->_index = new Zend_Search_Lucene($index_file, true);
}
function create_index()
{
echo "Building search index...\n";
$files = $this->get_files($this->_api);
$count = 0;
foreach($files as $file)
{
$content = $this->get_details($file, $this->_api);
$doc = new Zend_Search_Lucene_Document();
$title = $content['class'];
echo " Adding ".$title."\n";
//unsearchable text
$doc->addField(Zend_Search_Lucene_Field::UnIndexed('link', $content['link']));
$doc->addField(Zend_Search_Lucene_Field::UnIndexed('title', $title));
//$doc->addField(Zend_Search_Lucene_Field::UnIndexed('text', $content['content']));
//searchable
$body = strtolower($this->sanitize($content['content'])).' '.strtolower($title);
$doc->addField(Zend_Search_Lucene_Field::Keyword('page', strtolower(str_replace('.',' ',$title))));
$doc->addField(Zend_Search_Lucene_Field::Unstored('contents',$body));
$this->_index->addDocument($doc);
$count++;
}
$this->_index->commit();
echo "\n {$count} files indexed.\n";
}
function sanitize($input)
{
return htmlentities(strip_tags( $input ));
}
function get_files($path)
{
$d = dir($path);
$files = array();
while (false !== ($entry = $d->read()))
{
$filepath = $path.'/'.$entry;
if(is_file($filepath) && strpos($entry, 'class-')===0)
$files[] = realpath($filepath);
}
$d->close();
return $files;
}
function get_doc_content($file)
{
$content = file_get_contents($file);
$html = preg_replace('/<h1>/','~~~', $content);
$html = preg_replace('/<![^~]+/m', '', $html);
$html = preg_replace('/<div class="credit">[\s\w\W\S]+/m', '', $html);
$html = preg_replace('/ |~+|\s{2,}/',' ',$html);
$html = preg_replace('/\s{2,}/',' ',$html);
$text = strip_tags($html);
$text = str_replace(' , ',', ',$text);
return $text;
}
function get_details($file, $base)
{
$result['content'] = $this->get_doc_content($file);
$find = array($base, '.html', 'class-');
$replace = array('', '', '');
$path = str_replace($find, $replace, $file);
$result['class'] = $path;
$result['link'] = self::API_URL.$file;
return $result;
}
}
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