function subst($new, $old, $lat)
{
return empty($lat) ? array() : (eq(car($lat), $old) ? cons($new, cdr($lat)) : cons(car($lat), subst($new, $old, cdr($lat))));
}
/**
* Generates and returns a string of the of ``sphinx.conf`` file.
* ``$sphinxDir`` should be a string representing the directory in which to
* store the indexes.
*
* @param string $sphinxDir Path to where indexes should be stored.
* @return string
*/
public function generateSphinxConf($sphinxDir = "", $sphinxConf = "")
{
/**
* Simple "python-like" key->value string substitution:
*
* // Create a string: "hi there"
* subst("%(a)s %(b)s", array("a" => "hi", "b" => "there"));
*
* @param string $str
* @param array $dict
* @return string
*/
function subst($str, $dict)
{
$fn = create_function('$a', 'return "/%\\($a\\)s/";');
$map = array_map($fn, array_keys($dict));
return preg_replace($map, array_values($dict), $str);
}
$nnRoot = realpath(FS_ROOT . "/../../");
if (!$sphinxDir) {
$sphinxDir = $nnRoot . "/db/sphinxdata";
}
if (!$sphinxConf) {
$sphinxConf = $sphinxDir . "/sphinx.conf";
}
$sphinxConfFile = fopen($sphinxConf, 'w');
$filename = $nnRoot . "/misc/sphinx/sphinx.tpl";
$handle = fopen($filename, "r");
$conf = fread($handle, filesize($filename));
$vars = array("db_host" => DB_HOST, "db_user" => DB_USER, "db_pass" => DB_PASSWORD, "db_name" => DB_NAME, "sphinx_dir" => $sphinxDir);
fwrite($sphinxConfFile, subst($conf, $vars));
fclose($sphinxConfFile);
return $sphinxConf;
}
