private function getInfixExpr(&$out, array $currTriple)
{
# parseEncodedToken(), getSqlToken() in infix mode
self::$valid_logical_ops = array('and', 'or');
self::$valid_bracket_ops = array('(', ')');
$this->infixLevel++;
if ($this->infixLevel != 0) {
$this->infix_tokens[] = (object) array('type' => 'bracket', 'value' => '(');
$out .= '(';
}
if (isset($currTriple[0])) {
if (is_array($currTriple[0])) {
$this->getInfixExpr($out, $currTriple[0]);
} else {
$this->infix_tokens[] = $currTriple[0];
$out .= $this->getSqlToken($currTriple[0]);
}
}
if (isset($currTriple[1])) {
$this->infix_tokens[] = $currTriple[1];
$out .= ' ' . $this->getSqlToken($currTriple[1]) . ' ';
}
if (isset($currTriple[2])) {
if (is_array($currTriple[2])) {
$this->getInfixExpr($out, $currTriple[2]);
} else {
$this->infix_tokens[] = $currTriple[2];
$out .= $this->getSqlToken($currTriple[2]);
}
}
if ($this->infixLevel != 0) {
$this->infix_tokens[] = (object) array('type' => 'bracket', 'value' => ')');
$out .= ')';
}
$this->infixLevel--;
}
