/**
* Helper function which transforms a raw schema database (either already parsed or
* based on a URL to a schemadb) into a list of schema class instances.
*
* @param mixed $raw_db Either an already created raw schema array, or a midcom_helper_misc::get_snippet_content
* compatible URL to a snippet / file from which the db should be loaded or schemadb contents as a string.
* @return Array An array of midcom_helper_datamanager2_schema class instances.
* @see midcom_helper_misc::get_snippet_content()
*/
public static function load_database($raw_db)
{
static $loaded_dbs = array();
$path = null;
if (is_string($raw_db)) {
// Determine if the given string is a path - assume that a path
// doesn't have line breaks
if (preg_match('/\\n/', $raw_db)) {
$raw_db = midcom_helper_misc::parse_config($raw_db);
} else {
$path = $raw_db;
if (!array_key_exists($path, $loaded_dbs)) {
$data = midcom_helper_misc::get_snippet_content($raw_db);
$loaded_dbs[$path] = midcom_helper_misc::parse_config($data);
}
$raw_db = $loaded_dbs[$path];
}
}
if (!is_array($raw_db)) {
throw new midcom_error("Provided DM2 schema is not in Array format.");
}
$schemadb = array();
foreach ($raw_db as $name => $raw_schema) {
$schemadb[$name] = new midcom_helper_datamanager2_schema($raw_db, $name, $path);
}
return $schemadb;
}
public function import()
{
// Generate a safe name for the structure
$structure_name = midcom_helper_misc::generate_urlname_from_string(midcom::get()->get_page_prefix());
$path = "{$this->root_dir}{$structure_name}.inc";
if (!file_exists($path)) {
throw new midcom_error("Structure file {$path} not found");
}
$structuredata = file_get_contents($path);
$structure = midcom_helper_misc::parse_config($structuredata);
if (!is_array($structure) || !isset($structure[$structure_name]) || !isset($structure[$structure_name]['root'])) {
throw new midcom_error("Invalid structure file {$path}");
}
$this->read_structure($structure[$structure_name]['root']);
}
/**
* This helper function reads a snippet and evaluates its content as array.
* This is essentially a simple Array($data\n) eval construct.
*
* If the snippet does not exist, false is returned.
*
* This function may be called statically.
*
* @param string $snippetpath The full path to the snippet that should be returned.
* @return Array The read data or false on failure.
* @see read_array_from_file()
*/
public static function read_array_from_snippet($snippetpath)
{
$code = midcom_helper_misc::get_snippet_content_graceful($snippetpath);
return midcom_helper_misc::parse_config($code);
}