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<?php
class SEARCHResults {
var $results;
var $current; // Current module, we are adding results in
var $engine; // Current engine
var $filter;
var $threshold;
function __construct(SEARCHFilter $filter = NULL, SEARCHEngine $engine = NULL, $module = false, $title = false, $description = false) {
if ($filter) {
$this->filter = $filter;
} else {
$this->filter = new SEARCHFilter();
}
$this->threshold = $this->filter->GetThreshold();
$this->results = array();
$this->current = false;
if ($module) $this->NewModule($engine, $module, $title, $description);
}
function AcceptCurrent() {
if ($this->current) {
if ($this->results[$this->current]['results']) {
$func = $this->engine->GetCmpFunction($this->current);
if ($func) {
usort($this->results[$this->current]['results'], $func);
}
} else if (!$this->results[$this->current]['content']) {
unset($this->results[$this->current]);
}
$this->current = false;
$this->engine = false;
}
}
function HaveResults() {
$this->AcceptCurrent();
if (sizeof($this->results)>0) return true;
return false;
}
function GetResults() {
return $this->results;
}
function NewModule(SEARCHEngine $engine, $module, $title = false, $description = false) {
$data = array(
'module' => $module,
'title' => (($title!==false)?$title:$engine->GetModuleTitle($module)),
'description' => (($description!==false)?$description:$engine->GetModuleDescription($module)),
);
$this->results[$module] = $data;
$this->AcceptCurrent();
$this->current = $module;
$this->engine = $engine;
}
function Append(&$info, $rating = 1, $key = false) {
if ($this->current === false)
throw new ADEIException("Internal Error: Addition of search results is failed, Unknown module");
// Filtering or detailing result
if (($rating < 1)&&($rating < $this->threshold)) return false;
if ($this->filter->FilterResult($info, $rating)) return false;
if (($rating < 1)&&($rating < $this->threshold)) return false;
if (is_array($info)) {
if (!$this->results[$this->current]['results']) {
if ($this->results[$this->current]['content']) {
throw new ADEIException(translate("The search results for current module are already containing html content, therefore result elements could not be added"));
}
$this->results[$this->current]['results'] = array();
}
$info['rating'] = $rating;
if ($key === false) {
$this->results[$this->current]['results'][] = $info;
} else {
$this->results[$this->current]['results'][$key] = $info;
}
} else {
if (!$this->results[$this->current]['content']) {
if ($this->results[$this->current]['results']) {
throw new ADEIException(translate("The search results for current module are already containing some elemnts, therefore html content could not be added"));
}
$this->results[$this->current]['content'] = "";
}
$this->results[$this->current]['content'] .= $info;
}
return true;
}
function Combine(SEARCHResults $sr) {
$this->AcceptCurrent();
$sr->AcceptCurrent();
$this->results = array_merge($this->results, $sr->results);
/*
foreach ($sr->results as $mod => &$res) {
$this->results[$mod] = $res;
}
*/
}
function Intersect(SEARCHResults $sr) {
throw new ADEIException("Intersection of search results is not implemented yet");
}
static function Merge() {
$res = new SEARCHResults();
for ($i = 0;$i < func_num_args();$i++) {
$mres = func_get_arg($i);
if ($mres instanceof SEARCHResults) {
$res->Combine($mres);
} else if ($mres !== false) {
throw new ADEIException("Internal error: Only SEARCHResult could be merged");
}
}
if ($res->HaveResults()) return $res;
return false;
}
}
?>
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