/**
* Return a list of posts that are similar to the current post
*/
public function get_similar_posts($post, $max_recommended = 5)
{
$guid = $this->get_uid($post);
$posting = $this->_database->postlist_begin($guid);
$enquire = new XapianEnquire($this->_database);
$rset = new XapianRset();
$rset->add_document($posting->get_docid());
$eset = $enquire->get_eset(20, $rset);
$i = $eset->begin();
$terms = array();
while (!$i->equals($eset->end())) {
$terms[] = $i->get_term();
$i->next();
}
$query = new XapianQuery(XapianQuery::OP_OR, $terms);
$enquire->set_query($query);
$matches = $enquire->get_mset(0, $max_recommended + 1);
$ids = array();
$i = $matches->begin();
while (!$i->equals($matches->end())) {
$n = $i->get_rank() + 1;
if ($i->get_document()->get_value(self::XAPIAN_FIELD_ID) != $post->id) {
$ids[] = $i->get_document()->get_value(self::XAPIAN_FIELD_ID);
}
$i->next();
}
return $ids;
}
public function testAction()
{
//$config = Yaf_Registry::get('config');
$database = new XapianDatabase("/develop/cha.internal.zhaoquan.com/service/data/gamedb");
$indexer = new XapianTermGenerator();
$document = new XapianDocument();
var_dump($database->get_lastdocid());
var_dump($database->get_doccount());
$a = $document->get_docid();
var_dump($database->get_document(2)->termlist_count());
$i = $database->get_document(50000)->termlist_begin();
while (!$i->equals($database->get_document(50000)->termlist_end())) {
var_dump($i->get_term());
$i->next();
}
var_dump($i);
/*$i = $database->termlist_begin(1);
while (!$i->equals($database->termlist_end(10))){
var_dump($i->get_description());
$i->next();
}*/
}
function __get($var)
{
if ($var === 'thisown') {
return swig_xapian_get_newobject($this->_cPtr);
}
return XapianDatabase::__get($var);
}
/**
* Retrieve a list db terms
*
* @param int $count Number of terms to retrieve
* @param char $prefix The prefix of the term to retrieve
* @param XapianDatabase $db Xapian database to connect
* @return array
*/
function xapian_get_all_terms($count = 0, $prefix, $db = NULL)
{
try {
if (!is_object($db)) {
$db = new XapianDatabase(XAPIAN_DB);
}
if (!empty($prefix)) {
$termi = $db->allterms_begin($prefix);
} else {
$termi = $db->allterms_begin();
}
$terms = array();
$i = 0;
for (; !$termi->equals($db->allterms_end()) && (++$i <= $count || $count == 0); $termi->next()) {
$terms[] = array('frequency' => $termi->get_termfreq(), 'name' => $termi->get_term());
}
return $terms;
} catch (Exception $e) {
display_xapian_error($e->getMessage());
return NULL;
}
}
function tests(){
include_once("ressources/class.xapian.inc");
// Open the database for searching.
try {
$database = new XapianDatabase("/home/dtouzeau/Documents/doc1.db");
$database1=new XapianDatabase("/home/dtouzeau/Documents/doc1.db");
$database->add_database($database1);
// Start an enquire session.
$enquire = new XapianEnquire($database);
// Combine the rest of the command line arguments with spaces between
// them, so that simple queries don't have to be quoted at the shell
// level.
$query_string = "david";
$qp = new XapianQueryParser();
$stemmer = new XapianStem("english");
$qp->set_stemmer($stemmer);
$qp->set_database($database);
$qp->set_stemming_strategy(XapianQueryParser::STEM_SOME);
$query = $qp->parse_query($query_string);
print "Parsed query is: {$query->get_description()}\n";
// Find the top 10 results for the query.
$enquire->set_query($query);
$matches = $enquire->get_mset(0, 10);
// Display the results.
print "{$matches->get_matches_estimated()} results found:\n";
$i = $matches->begin();
while (!$i->equals($matches->end())) {
$n = $i->get_rank() + 1;
$data = $i->get_document()->get_data();
print "$n: {$i->get_percent()}% docid={$i->get_docid()} [$data]\n\n";
$i->next();
}
} catch (Exception $e) {
print $e->getMessage() . "\n";
exit(1);
}
}
$title = "{$uri}<span style='color:#0000CC;{$text_deco};font-size:medium'>{$ligne["PERCENT"]}% {$title}</span></a>";
$body = $ligne["DATA"];
$body = wordwrap($body, 100, "<br />\n");
$img = "img/file_ico/unknown.gif";
$file = basename($ligne["PATH"]);
$ext = $f->Get_extension(strtolower($file));
if (is_file("img/file_ico/{$ext}.gif")) {
$img = "img/file_ico/{$ext}.gif";
}
$html = "\n\t\n\t<table style='width:99%;margin-top:6px'>\n\t<tr>\n\t\t<td>\n\t\t<table style='width:100%'>\n\t\t<tr>\n\t\t\t<td valign='top' width=1%><img src='{$img}'></td>\n\t\t\t<td valign='top' width=1%>" . imgtootltip("folderopen.gif", "{path}:{$ligne["PATH"]}<br>{size}:{$ligne["SIZE"]}<br>{date}:{$ligne["TIME"]}") . "</td>\n\t\t\t<td valing='top'>{$title}</td>\n\t\t</tr>\n\t\t</table>\n\t</tr>\n\t<tr>\n\t<td><span style='font-size:small;color:#676767;'>« <strong>{$file}</strong> » - {$ligne["TIME"]}</span></td>\n\t</tr>\n\t<tr>\n\t<td style='font-size:11px;'>{$body}</td>\n\t</tr>\n\t<tr>\n\t<td style='font-size:small;color:green;' align='left'>{$ligne["TYPE"]} ({$ligne["SIZE"]})</td>\n\t</tr>\t\n\t</table>\n\t";
return $html;
}
include_once "ressources/class.xapian.inc";
// Open the database for searching.
try {
$database = new XapianDatabase("/home/dtouzeau/Documents/doc1.db");
$database1 = new XapianDatabase("/home/dtouzeau/Documents/doc1.db");
$database->add_database($database1);
// Start an enquire session.
$enquire = new XapianEnquire($database);
// Combine the rest of the command line arguments with spaces between
// them, so that simple queries don't have to be quoted at the shell
// level.
$query_string = "david";
$qp = new XapianQueryParser();
$stemmer = new XapianStem("english");
$qp->set_stemmer($stemmer);
$qp->set_database($database);
$qp->set_stemming_strategy(XapianQueryParser::STEM_SOME);
$query = $qp->parse_query($query_string);
print "Parsed query is: {$query->get_description()}\n";
