/**
* Evaluate a search query
*
* @param int $context The context to which the query applies (document/folder/both)
* @return array $permResults
*/
public function evaluate($context = ExprContext::DOCUMENT_AND_FOLDER)
{
global $default;
$default->log->debug("START EVALUATE");
if ($context == ExprContext::DOCUMENT_AND_FOLDER) {
$docs = $this->evaluate(ExprContext::DOCUMENT);
$folders = $this->evaluate(ExprContext::FOLDER);
return array('docs' => $docs['docs'], 'folders' => $folders['folders']);
}
$this->setContext($context);
$left = $this->left();
$left->setIncludeStatus($this->incl_status);
$right = $this->right();
$right->setIncludeStatus($this->incl_status);
$op = $this->op();
$point = $this->getPoint();
$result = array();
if (empty($point)) {
$point = 'point';
}
$resultContext = $this->getContext() == ExprContext::DOCUMENT ? 'docs' : 'folders';
if ($point == 'merge') {
$leftres = $left->evaluate($context);
$rightres = $right->evaluate($context);
switch ($op) {
case ExprOp::OP_AND:
if ($this->debug) {
print "\n\nmerge: intersect\n\n";
}
$result = OpExpr::intersect($leftres, $rightres);
break;
case ExprOp::OP_OR:
if ($this->debug) {
print "\n\nmerge: union\n\n";
}
$result = OpExpr::union($leftres, $rightres);
break;
default:
throw new Exception("this condition should not happen");
}
} elseif ($point == 'point') {
if ($this->isDBonly()) {
$result[$resultContext] = $this->exec_db_query($op, array($this));
} elseif ($this->isTextOnly()) {
$result[$resultContext] = $this->exec_text_query($op, array($this));
} elseif (in_array($op, array(ExprOp::OP_OR, ExprOp::OP_AND))) {
// do we get to this???
// TODO: remove me please.... the simpleQuery stuff should go???
$db_group = array();
$text_group = array();
$this->explore($left, $right, $db_group, 'db');
$this->explore($left, $right, $text_group, 'text');
$db_result[$resultContext] = $this->exec_db_query($op, $db_group);
$text_result[$resultContext] = $this->exec_text_query($op, $text_group);
switch ($op) {
case ExprOp::OP_AND:
if ($this->debug) {
print "\n\npoint: intersect\n\n";
}
$result[$resultContext] = OpExpr::intersect($db_result, $text_result);
break;
case ExprOp::OP_OR:
if ($this->debug) {
print "\n\nmerge: union\n\n";
}
$result[$resultContext] = OpExpr::union($db_result, $text_result);
break;
default:
throw new Exception('how did this happen??');
}
} else {
throw new Exception('and this?');
}
} else {
// we don't have to do anything
//throw new Exception('Is this reached ever?');
}
$permResults = array();
if (isset($result[$resultContext])) {
foreach ($result[$resultContext] as $idx => $item) {
$permResults[$resultContext][$idx] = $item;
}
}
return $permResults;
}
function yy_r9()
{
$expr = new OpExpr($this->yystack[$this->yyidx + -4]->minor, ExprOp::CONTAINS, $this->yystack[$this->yyidx + 0]->minor);
$expr->not($this->yystack[$this->yyidx + -2]->minor);
$this->_retvalue = $expr;
}
